package org.hl7.fhir.r5.model;


/*
  Copyright (c) 2011+, HL7, Inc.
  All rights reserved.
  
  Redistribution and use in source and binary forms, with or without modification, \
  are permitted provided that the following conditions are met:
  
   * Redistributions of source code must retain the above copyright notice, this \
     list of conditions and the following disclaimer.
   * Redistributions in binary form must reproduce the above copyright notice, \
     this list of conditions and the following disclaimer in the documentation \
     and/or other materials provided with the distribution.
   * Neither the name of HL7 nor the names of its contributors may be used to 
     endorse or promote products derived from this software without specific 
     prior written permission.
  
  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\" AND \
  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED \
  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. \
  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, \
  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT \
  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR \
  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, \
  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) \
  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE \
  POSSIBILITY OF SUCH DAMAGE.
  */

// Generated on Thu, Mar 23, 2023 19:59+1100 for FHIR v5.0.0

import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import org.hl7.fhir.utilities.Utilities;
import org.hl7.fhir.r5.model.Enumerations.*;
import org.hl7.fhir.instance.model.api.IBaseBackboneElement;
import org.hl7.fhir.exceptions.FHIRException;
import org.hl7.fhir.instance.model.api.ICompositeType;
import ca.uhn.fhir.model.api.annotation.ResourceDef;
import ca.uhn.fhir.model.api.annotation.SearchParamDefinition;
import org.hl7.fhir.instance.model.api.IBaseBackboneElement;
import ca.uhn.fhir.model.api.annotation.Child;
import ca.uhn.fhir.model.api.annotation.ChildOrder;
import ca.uhn.fhir.model.api.annotation.Description;
import ca.uhn.fhir.model.api.annotation.Block;

/**
 * The detailed description of a substance, typically at a level beyond what is used for prescribing.
 */
@ResourceDef(name="SubstanceDefinition", profile="http://hl7.org/fhir/StructureDefinition/SubstanceDefinition")
public class SubstanceDefinition extends DomainResource {

    @Block()
    public static class SubstanceDefinitionMoietyComponent extends BackboneElement implements IBaseBackboneElement {
        /**
         * Role that the moiety is playing.
         */
        @Child(name = "role", type = {CodeableConcept.class}, order=1, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="Role that the moiety is playing", formalDefinition="Role that the moiety is playing." )
        protected CodeableConcept role;

        /**
         * Identifier by which this moiety substance is known.
         */
        @Child(name = "identifier", type = {Identifier.class}, order=2, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="Identifier by which this moiety substance is known", formalDefinition="Identifier by which this moiety substance is known." )
        protected Identifier identifier;

        /**
         * Textual name for this moiety substance.
         */
        @Child(name = "name", type = {StringType.class}, order=3, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="Textual name for this moiety substance", formalDefinition="Textual name for this moiety substance." )
        protected StringType name;

        /**
         * Stereochemistry type.
         */
        @Child(name = "stereochemistry", type = {CodeableConcept.class}, order=4, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="Stereochemistry type", formalDefinition="Stereochemistry type." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/substance-stereochemistry")
        protected CodeableConcept stereochemistry;

        /**
         * Optical activity type.
         */
        @Child(name = "opticalActivity", type = {CodeableConcept.class}, order=5, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="Optical activity type", formalDefinition="Optical activity type." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/substance-optical-activity")
        protected CodeableConcept opticalActivity;

        /**
         * Molecular formula for this moiety of this substance, typically using the Hill system.
         */
        @Child(name = "molecularFormula", type = {StringType.class}, order=6, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="Molecular formula for this moiety (e.g. with the Hill system)", formalDefinition="Molecular formula for this moiety of this substance, typically using the Hill system." )
        protected StringType molecularFormula;

        /**
         * Quantitative value for this moiety.
         */
        @Child(name = "amount", type = {Quantity.class, StringType.class}, order=7, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="Quantitative value for this moiety", formalDefinition="Quantitative value for this moiety." )
        protected DataType amount;

        /**
         * The measurement type of the quantitative value. In capturing the actual relative amounts of substances or molecular fragments it may be necessary to indicate whether the amount refers to, for example, a mole ratio or weight ratio.
         */
        @Child(name = "measurementType", type = {CodeableConcept.class}, order=8, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="The measurement type of the quantitative value", formalDefinition="The measurement type of the quantitative value. In capturing the actual relative amounts of substances or molecular fragments it may be necessary to indicate whether the amount refers to, for example, a mole ratio or weight ratio." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/substance-amount-type")
        protected CodeableConcept measurementType;

        private static final long serialVersionUID = 271962476L;

    /**
     * Constructor
     */
      public SubstanceDefinitionMoietyComponent() {
        super();
      }

        /**
         * @return {@link #role} (Role that the moiety is playing.)
         */
        public CodeableConcept getRole() { 
          if (this.role == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionMoietyComponent.role");
            else if (Configuration.doAutoCreate())
              this.role = new CodeableConcept(); // cc
          return this.role;
        }

        public boolean hasRole() { 
          return this.role != null && !this.role.isEmpty();
        }

        /**
         * @param value {@link #role} (Role that the moiety is playing.)
         */
        public SubstanceDefinitionMoietyComponent setRole(CodeableConcept value) { 
          this.role = value;
          return this;
        }

        /**
         * @return {@link #identifier} (Identifier by which this moiety substance is known.)
         */
        public Identifier getIdentifier() { 
          if (this.identifier == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionMoietyComponent.identifier");
            else if (Configuration.doAutoCreate())
              this.identifier = new Identifier(); // cc
          return this.identifier;
        }

        public boolean hasIdentifier() { 
          return this.identifier != null && !this.identifier.isEmpty();
        }

        /**
         * @param value {@link #identifier} (Identifier by which this moiety substance is known.)
         */
        public SubstanceDefinitionMoietyComponent setIdentifier(Identifier value) { 
          this.identifier = value;
          return this;
        }

        /**
         * @return {@link #name} (Textual name for this moiety substance.). This is the underlying object with id, value and extensions. The accessor "getName" gives direct access to the value
         */
        public StringType getNameElement() { 
          if (this.name == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionMoietyComponent.name");
            else if (Configuration.doAutoCreate())
              this.name = new StringType(); // bb
          return this.name;
        }

        public boolean hasNameElement() { 
          return this.name != null && !this.name.isEmpty();
        }

        public boolean hasName() { 
          return this.name != null && !this.name.isEmpty();
        }

        /**
         * @param value {@link #name} (Textual name for this moiety substance.). This is the underlying object with id, value and extensions. The accessor "getName" gives direct access to the value
         */
        public SubstanceDefinitionMoietyComponent setNameElement(StringType value) { 
          this.name = value;
          return this;
        }

        /**
         * @return Textual name for this moiety substance.
         */
        public String getName() { 
          return this.name == null ? null : this.name.getValue();
        }

        /**
         * @param value Textual name for this moiety substance.
         */
        public SubstanceDefinitionMoietyComponent setName(String value) { 
          if (Utilities.noString(value))
            this.name = null;
          else {
            if (this.name == null)
              this.name = new StringType();
            this.name.setValue(value);
          }
          return this;
        }

        /**
         * @return {@link #stereochemistry} (Stereochemistry type.)
         */
        public CodeableConcept getStereochemistry() { 
          if (this.stereochemistry == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionMoietyComponent.stereochemistry");
            else if (Configuration.doAutoCreate())
              this.stereochemistry = new CodeableConcept(); // cc
          return this.stereochemistry;
        }

        public boolean hasStereochemistry() { 
          return this.stereochemistry != null && !this.stereochemistry.isEmpty();
        }

        /**
         * @param value {@link #stereochemistry} (Stereochemistry type.)
         */
        public SubstanceDefinitionMoietyComponent setStereochemistry(CodeableConcept value) { 
          this.stereochemistry = value;
          return this;
        }

        /**
         * @return {@link #opticalActivity} (Optical activity type.)
         */
        public CodeableConcept getOpticalActivity() { 
          if (this.opticalActivity == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionMoietyComponent.opticalActivity");
            else if (Configuration.doAutoCreate())
              this.opticalActivity = new CodeableConcept(); // cc
          return this.opticalActivity;
        }

        public boolean hasOpticalActivity() { 
          return this.opticalActivity != null && !this.opticalActivity.isEmpty();
        }

        /**
         * @param value {@link #opticalActivity} (Optical activity type.)
         */
        public SubstanceDefinitionMoietyComponent setOpticalActivity(CodeableConcept value) { 
          this.opticalActivity = value;
          return this;
        }

        /**
         * @return {@link #molecularFormula} (Molecular formula for this moiety of this substance, typically using the Hill system.). This is the underlying object with id, value and extensions. The accessor "getMolecularFormula" gives direct access to the value
         */
        public StringType getMolecularFormulaElement() { 
          if (this.molecularFormula == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionMoietyComponent.molecularFormula");
            else if (Configuration.doAutoCreate())
              this.molecularFormula = new StringType(); // bb
          return this.molecularFormula;
        }

        public boolean hasMolecularFormulaElement() { 
          return this.molecularFormula != null && !this.molecularFormula.isEmpty();
        }

        public boolean hasMolecularFormula() { 
          return this.molecularFormula != null && !this.molecularFormula.isEmpty();
        }

        /**
         * @param value {@link #molecularFormula} (Molecular formula for this moiety of this substance, typically using the Hill system.). This is the underlying object with id, value and extensions. The accessor "getMolecularFormula" gives direct access to the value
         */
        public SubstanceDefinitionMoietyComponent setMolecularFormulaElement(StringType value) { 
          this.molecularFormula = value;
          return this;
        }

        /**
         * @return Molecular formula for this moiety of this substance, typically using the Hill system.
         */
        public String getMolecularFormula() { 
          return this.molecularFormula == null ? null : this.molecularFormula.getValue();
        }

        /**
         * @param value Molecular formula for this moiety of this substance, typically using the Hill system.
         */
        public SubstanceDefinitionMoietyComponent setMolecularFormula(String value) { 
          if (Utilities.noString(value))
            this.molecularFormula = null;
          else {
            if (this.molecularFormula == null)
              this.molecularFormula = new StringType();
            this.molecularFormula.setValue(value);
          }
          return this;
        }

        /**
         * @return {@link #amount} (Quantitative value for this moiety.)
         */
        public DataType getAmount() { 
          return this.amount;
        }

        /**
         * @return {@link #amount} (Quantitative value for this moiety.)
         */
        public Quantity getAmountQuantity() throws FHIRException { 
          if (this.amount == null)
            this.amount = new Quantity();
          if (!(this.amount instanceof Quantity))
            throw new FHIRException("Type mismatch: the type Quantity was expected, but "+this.amount.getClass().getName()+" was encountered");
          return (Quantity) this.amount;
        }

        public boolean hasAmountQuantity() { 
          return this != null && this.amount instanceof Quantity;
        }

        /**
         * @return {@link #amount} (Quantitative value for this moiety.)
         */
        public StringType getAmountStringType() throws FHIRException { 
          if (this.amount == null)
            this.amount = new StringType();
          if (!(this.amount instanceof StringType))
            throw new FHIRException("Type mismatch: the type StringType was expected, but "+this.amount.getClass().getName()+" was encountered");
          return (StringType) this.amount;
        }

        public boolean hasAmountStringType() { 
          return this != null && this.amount instanceof StringType;
        }

        public boolean hasAmount() { 
          return this.amount != null && !this.amount.isEmpty();
        }

        /**
         * @param value {@link #amount} (Quantitative value for this moiety.)
         */
        public SubstanceDefinitionMoietyComponent setAmount(DataType value) { 
          if (value != null && !(value instanceof Quantity || value instanceof StringType))
            throw new FHIRException("Not the right type for SubstanceDefinition.moiety.amount[x]: "+value.fhirType());
          this.amount = value;
          return this;
        }

        /**
         * @return {@link #measurementType} (The measurement type of the quantitative value. In capturing the actual relative amounts of substances or molecular fragments it may be necessary to indicate whether the amount refers to, for example, a mole ratio or weight ratio.)
         */
        public CodeableConcept getMeasurementType() { 
          if (this.measurementType == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionMoietyComponent.measurementType");
            else if (Configuration.doAutoCreate())
              this.measurementType = new CodeableConcept(); // cc
          return this.measurementType;
        }

        public boolean hasMeasurementType() { 
          return this.measurementType != null && !this.measurementType.isEmpty();
        }

        /**
         * @param value {@link #measurementType} (The measurement type of the quantitative value. In capturing the actual relative amounts of substances or molecular fragments it may be necessary to indicate whether the amount refers to, for example, a mole ratio or weight ratio.)
         */
        public SubstanceDefinitionMoietyComponent setMeasurementType(CodeableConcept value) { 
          this.measurementType = value;
          return this;
        }

        protected void listChildren(List<Property> children) {
          super.listChildren(children);
          children.add(new Property("role", "CodeableConcept", "Role that the moiety is playing.", 0, 1, role));
          children.add(new Property("identifier", "Identifier", "Identifier by which this moiety substance is known.", 0, 1, identifier));
          children.add(new Property("name", "string", "Textual name for this moiety substance.", 0, 1, name));
          children.add(new Property("stereochemistry", "CodeableConcept", "Stereochemistry type.", 0, 1, stereochemistry));
          children.add(new Property("opticalActivity", "CodeableConcept", "Optical activity type.", 0, 1, opticalActivity));
          children.add(new Property("molecularFormula", "string", "Molecular formula for this moiety of this substance, typically using the Hill system.", 0, 1, molecularFormula));
          children.add(new Property("amount[x]", "Quantity|string", "Quantitative value for this moiety.", 0, 1, amount));
          children.add(new Property("measurementType", "CodeableConcept", "The measurement type of the quantitative value. In capturing the actual relative amounts of substances or molecular fragments it may be necessary to indicate whether the amount refers to, for example, a mole ratio or weight ratio.", 0, 1, measurementType));
        }

        @Override
        public Property getNamedProperty(int _hash, String _name, boolean _checkValid) throws FHIRException {
          switch (_hash) {
          case 3506294: /*role*/  return new Property("role", "CodeableConcept", "Role that the moiety is playing.", 0, 1, role);
          case -1618432855: /*identifier*/  return new Property("identifier", "Identifier", "Identifier by which this moiety substance is known.", 0, 1, identifier);
          case 3373707: /*name*/  return new Property("name", "string", "Textual name for this moiety substance.", 0, 1, name);
          case 263475116: /*stereochemistry*/  return new Property("stereochemistry", "CodeableConcept", "Stereochemistry type.", 0, 1, stereochemistry);
          case 1420900135: /*opticalActivity*/  return new Property("opticalActivity", "CodeableConcept", "Optical activity type.", 0, 1, opticalActivity);
          case 616660246: /*molecularFormula*/  return new Property("molecularFormula", "string", "Molecular formula for this moiety of this substance, typically using the Hill system.", 0, 1, molecularFormula);
          case 646780200: /*amount[x]*/  return new Property("amount[x]", "Quantity|string", "Quantitative value for this moiety.", 0, 1, amount);
          case -1413853096: /*amount*/  return new Property("amount[x]", "Quantity|string", "Quantitative value for this moiety.", 0, 1, amount);
          case 1664303363: /*amountQuantity*/  return new Property("amount[x]", "Quantity", "Quantitative value for this moiety.", 0, 1, amount);
          case 773651081: /*amountString*/  return new Property("amount[x]", "string", "Quantitative value for this moiety.", 0, 1, amount);
          case 1670291734: /*measurementType*/  return new Property("measurementType", "CodeableConcept", "The measurement type of the quantitative value. In capturing the actual relative amounts of substances or molecular fragments it may be necessary to indicate whether the amount refers to, for example, a mole ratio or weight ratio.", 0, 1, measurementType);
          default: return super.getNamedProperty(_hash, _name, _checkValid);
          }

        }

      @Override
      public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
        switch (hash) {
        case 3506294: /*role*/ return this.role == null ? new Base[0] : new Base[] {this.role}; // CodeableConcept
        case -1618432855: /*identifier*/ return this.identifier == null ? new Base[0] : new Base[] {this.identifier}; // Identifier
        case 3373707: /*name*/ return this.name == null ? new Base[0] : new Base[] {this.name}; // StringType
        case 263475116: /*stereochemistry*/ return this.stereochemistry == null ? new Base[0] : new Base[] {this.stereochemistry}; // CodeableConcept
        case 1420900135: /*opticalActivity*/ return this.opticalActivity == null ? new Base[0] : new Base[] {this.opticalActivity}; // CodeableConcept
        case 616660246: /*molecularFormula*/ return this.molecularFormula == null ? new Base[0] : new Base[] {this.molecularFormula}; // StringType
        case -1413853096: /*amount*/ return this.amount == null ? new Base[0] : new Base[] {this.amount}; // DataType
        case 1670291734: /*measurementType*/ return this.measurementType == null ? new Base[0] : new Base[] {this.measurementType}; // CodeableConcept
        default: return super.getProperty(hash, name, checkValid);
        }

      }

      @Override
      public Base setProperty(int hash, String name, Base value) throws FHIRException {
        switch (hash) {
        case 3506294: // role
          this.role = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case -1618432855: // identifier
          this.identifier = TypeConvertor.castToIdentifier(value); // Identifier
          return value;
        case 3373707: // name
          this.name = TypeConvertor.castToString(value); // StringType
          return value;
        case 263475116: // stereochemistry
          this.stereochemistry = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case 1420900135: // opticalActivity
          this.opticalActivity = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case 616660246: // molecularFormula
          this.molecularFormula = TypeConvertor.castToString(value); // StringType
          return value;
        case -1413853096: // amount
          this.amount = TypeConvertor.castToType(value); // DataType
          return value;
        case 1670291734: // measurementType
          this.measurementType = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        default: return super.setProperty(hash, name, value);
        }

      }

      @Override
      public Base setProperty(String name, Base value) throws FHIRException {
        if (name.equals("role")) {
          this.role = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("identifier")) {
          this.identifier = TypeConvertor.castToIdentifier(value); // Identifier
        } else if (name.equals("name")) {
          this.name = TypeConvertor.castToString(value); // StringType
        } else if (name.equals("stereochemistry")) {
          this.stereochemistry = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("opticalActivity")) {
          this.opticalActivity = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("molecularFormula")) {
          this.molecularFormula = TypeConvertor.castToString(value); // StringType
        } else if (name.equals("amount[x]")) {
          this.amount = TypeConvertor.castToType(value); // DataType
        } else if (name.equals("measurementType")) {
          this.measurementType = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else
          return super.setProperty(name, value);
        return value;
      }

  @Override
  public void removeChild(String name, Base value) throws FHIRException {
        if (name.equals("role")) {
          this.role = null;
        } else if (name.equals("identifier")) {
          this.identifier = null;
        } else if (name.equals("name")) {
          this.name = null;
        } else if (name.equals("stereochemistry")) {
          this.stereochemistry = null;
        } else if (name.equals("opticalActivity")) {
          this.opticalActivity = null;
        } else if (name.equals("molecularFormula")) {
          this.molecularFormula = null;
        } else if (name.equals("amount[x]")) {
          this.amount = null;
        } else if (name.equals("measurementType")) {
          this.measurementType = null;
        } else
          super.removeChild(name, value);
        
      }

      @Override
      public Base makeProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case 3506294:  return getRole();
        case -1618432855:  return getIdentifier();
        case 3373707:  return getNameElement();
        case 263475116:  return getStereochemistry();
        case 1420900135:  return getOpticalActivity();
        case 616660246:  return getMolecularFormulaElement();
        case 646780200:  return getAmount();
        case -1413853096:  return getAmount();
        case 1670291734:  return getMeasurementType();
        default: return super.makeProperty(hash, name);
        }

      }

      @Override
      public String[] getTypesForProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case 3506294: /*role*/ return new String[] {"CodeableConcept"};
        case -1618432855: /*identifier*/ return new String[] {"Identifier"};
        case 3373707: /*name*/ return new String[] {"string"};
        case 263475116: /*stereochemistry*/ return new String[] {"CodeableConcept"};
        case 1420900135: /*opticalActivity*/ return new String[] {"CodeableConcept"};
        case 616660246: /*molecularFormula*/ return new String[] {"string"};
        case -1413853096: /*amount*/ return new String[] {"Quantity", "string"};
        case 1670291734: /*measurementType*/ return new String[] {"CodeableConcept"};
        default: return super.getTypesForProperty(hash, name);
        }

      }

      @Override
      public Base addChild(String name) throws FHIRException {
        if (name.equals("role")) {
          this.role = new CodeableConcept();
          return this.role;
        }
        else if (name.equals("identifier")) {
          this.identifier = new Identifier();
          return this.identifier;
        }
        else if (name.equals("name")) {
          throw new FHIRException("Cannot call addChild on a singleton property SubstanceDefinition.moiety.name");
        }
        else if (name.equals("stereochemistry")) {
          this.stereochemistry = new CodeableConcept();
          return this.stereochemistry;
        }
        else if (name.equals("opticalActivity")) {
          this.opticalActivity = new CodeableConcept();
          return this.opticalActivity;
        }
        else if (name.equals("molecularFormula")) {
          throw new FHIRException("Cannot call addChild on a singleton property SubstanceDefinition.moiety.molecularFormula");
        }
        else if (name.equals("amountQuantity")) {
          this.amount = new Quantity();
          return this.amount;
        }
        else if (name.equals("amountString")) {
          this.amount = new StringType();
          return this.amount;
        }
        else if (name.equals("measurementType")) {
          this.measurementType = new CodeableConcept();
          return this.measurementType;
        }
        else
          return super.addChild(name);
      }

      public SubstanceDefinitionMoietyComponent copy() {
        SubstanceDefinitionMoietyComponent dst = new SubstanceDefinitionMoietyComponent();
        copyValues(dst);
        return dst;
      }

      public void copyValues(SubstanceDefinitionMoietyComponent dst) {
        super.copyValues(dst);
        dst.role = role == null ? null : role.copy();
        dst.identifier = identifier == null ? null : identifier.copy();
        dst.name = name == null ? null : name.copy();
        dst.stereochemistry = stereochemistry == null ? null : stereochemistry.copy();
        dst.opticalActivity = opticalActivity == null ? null : opticalActivity.copy();
        dst.molecularFormula = molecularFormula == null ? null : molecularFormula.copy();
        dst.amount = amount == null ? null : amount.copy();
        dst.measurementType = measurementType == null ? null : measurementType.copy();
      }

      @Override
      public boolean equalsDeep(Base other_) {
        if (!super.equalsDeep(other_))
          return false;
        if (!(other_ instanceof SubstanceDefinitionMoietyComponent))
          return false;
        SubstanceDefinitionMoietyComponent o = (SubstanceDefinitionMoietyComponent) other_;
        return compareDeep(role, o.role, true) && compareDeep(identifier, o.identifier, true) && compareDeep(name, o.name, true)
           && compareDeep(stereochemistry, o.stereochemistry, true) && compareDeep(opticalActivity, o.opticalActivity, true)
           && compareDeep(molecularFormula, o.molecularFormula, true) && compareDeep(amount, o.amount, true)
           && compareDeep(measurementType, o.measurementType, true);
      }

      @Override
      public boolean equalsShallow(Base other_) {
        if (!super.equalsShallow(other_))
          return false;
        if (!(other_ instanceof SubstanceDefinitionMoietyComponent))
          return false;
        SubstanceDefinitionMoietyComponent o = (SubstanceDefinitionMoietyComponent) other_;
        return compareValues(name, o.name, true) && compareValues(molecularFormula, o.molecularFormula, true)
          ;
      }

      public boolean isEmpty() {
        return super.isEmpty() && ca.uhn.fhir.util.ElementUtil.isEmpty(role, identifier, name, stereochemistry
          , opticalActivity, molecularFormula, amount, measurementType);
      }

  public String fhirType() {
    return "SubstanceDefinition.moiety";

  }

  }

    @Block()
    public static class SubstanceDefinitionCharacterizationComponent extends BackboneElement implements IBaseBackboneElement {
        /**
         * The method used to elucidate the characterization of the drug substance. Example: HPLC.
         */
        @Child(name = "technique", type = {CodeableConcept.class}, order=1, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="The method used to find the characterization e.g. HPLC", formalDefinition="The method used to elucidate the characterization of the drug substance. Example: HPLC." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/substance-structure-technique")
        protected CodeableConcept technique;

        /**
         * Describes the nature of the chemical entity and explains, for instance, whether this is a base or a salt form.
         */
        @Child(name = "form", type = {CodeableConcept.class}, order=2, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="Describes the nature of the chemical entity and explains, for instance, whether this is a base or a salt form", formalDefinition="Describes the nature of the chemical entity and explains, for instance, whether this is a base or a salt form." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/substance-form")
        protected CodeableConcept form;

        /**
         * The description or justification in support of the interpretation of the data file.
         */
        @Child(name = "description", type = {MarkdownType.class}, order=3, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="The description or justification in support of the interpretation of the data file", formalDefinition="The description or justification in support of the interpretation of the data file." )
        protected MarkdownType description;

        /**
         * The data produced by the analytical instrument or a pictorial representation of that data. Examples: a JCAMP, JDX, or ADX file, or a chromatogram or spectrum analysis.
         */
        @Child(name = "file", type = {Attachment.class}, order=4, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
        @Description(shortDefinition="The data produced by the analytical instrument or a pictorial representation of that data. Examples: a JCAMP, JDX, or ADX file, or a chromatogram or spectrum analysis", formalDefinition="The data produced by the analytical instrument or a pictorial representation of that data. Examples: a JCAMP, JDX, or ADX file, or a chromatogram or spectrum analysis." )
        protected List<Attachment> file;

        private static final long serialVersionUID = -1561571166L;

    /**
     * Constructor
     */
      public SubstanceDefinitionCharacterizationComponent() {
        super();
      }

        /**
         * @return {@link #technique} (The method used to elucidate the characterization of the drug substance. Example: HPLC.)
         */
        public CodeableConcept getTechnique() { 
          if (this.technique == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionCharacterizationComponent.technique");
            else if (Configuration.doAutoCreate())
              this.technique = new CodeableConcept(); // cc
          return this.technique;
        }

        public boolean hasTechnique() { 
          return this.technique != null && !this.technique.isEmpty();
        }

        /**
         * @param value {@link #technique} (The method used to elucidate the characterization of the drug substance. Example: HPLC.)
         */
        public SubstanceDefinitionCharacterizationComponent setTechnique(CodeableConcept value) { 
          this.technique = value;
          return this;
        }

        /**
         * @return {@link #form} (Describes the nature of the chemical entity and explains, for instance, whether this is a base or a salt form.)
         */
        public CodeableConcept getForm() { 
          if (this.form == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionCharacterizationComponent.form");
            else if (Configuration.doAutoCreate())
              this.form = new CodeableConcept(); // cc
          return this.form;
        }

        public boolean hasForm() { 
          return this.form != null && !this.form.isEmpty();
        }

        /**
         * @param value {@link #form} (Describes the nature of the chemical entity and explains, for instance, whether this is a base or a salt form.)
         */
        public SubstanceDefinitionCharacterizationComponent setForm(CodeableConcept value) { 
          this.form = value;
          return this;
        }

        /**
         * @return {@link #description} (The description or justification in support of the interpretation of the data file.). This is the underlying object with id, value and extensions. The accessor "getDescription" gives direct access to the value
         */
        public MarkdownType getDescriptionElement() { 
          if (this.description == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionCharacterizationComponent.description");
            else if (Configuration.doAutoCreate())
              this.description = new MarkdownType(); // bb
          return this.description;
        }

        public boolean hasDescriptionElement() { 
          return this.description != null && !this.description.isEmpty();
        }

        public boolean hasDescription() { 
          return this.description != null && !this.description.isEmpty();
        }

        /**
         * @param value {@link #description} (The description or justification in support of the interpretation of the data file.). This is the underlying object with id, value and extensions. The accessor "getDescription" gives direct access to the value
         */
        public SubstanceDefinitionCharacterizationComponent setDescriptionElement(MarkdownType value) { 
          this.description = value;
          return this;
        }

        /**
         * @return The description or justification in support of the interpretation of the data file.
         */
        public String getDescription() { 
          return this.description == null ? null : this.description.getValue();
        }

        /**
         * @param value The description or justification in support of the interpretation of the data file.
         */
        public SubstanceDefinitionCharacterizationComponent setDescription(String value) { 
          if (Utilities.noString(value))
            this.description = null;
          else {
            if (this.description == null)
              this.description = new MarkdownType();
            this.description.setValue(value);
          }
          return this;
        }

        /**
         * @return {@link #file} (The data produced by the analytical instrument or a pictorial representation of that data. Examples: a JCAMP, JDX, or ADX file, or a chromatogram or spectrum analysis.)
         */
        public List<Attachment> getFile() { 
          if (this.file == null)
            this.file = new ArrayList<Attachment>();
          return this.file;
        }

        /**
         * @return Returns a reference to <code>this</code> for easy method chaining
         */
        public SubstanceDefinitionCharacterizationComponent setFile(List<Attachment> theFile) { 
          this.file = theFile;
          return this;
        }

        public boolean hasFile() { 
          if (this.file == null)
            return false;
          for (Attachment item : this.file)
            if (!item.isEmpty())
              return true;
          return false;
        }

        public Attachment addFile() { //3
          Attachment t = new Attachment();
          if (this.file == null)
            this.file = new ArrayList<Attachment>();
          this.file.add(t);
          return t;
        }

        public SubstanceDefinitionCharacterizationComponent addFile(Attachment t) { //3
          if (t == null)
            return this;
          if (this.file == null)
            this.file = new ArrayList<Attachment>();
          this.file.add(t);
          return this;
        }

        /**
         * @return The first repetition of repeating field {@link #file}, creating it if it does not already exist {3}
         */
        public Attachment getFileFirstRep() { 
          if (getFile().isEmpty()) {
            addFile();
          }
          return getFile().get(0);
        }

        protected void listChildren(List<Property> children) {
          super.listChildren(children);
          children.add(new Property("technique", "CodeableConcept", "The method used to elucidate the characterization of the drug substance. Example: HPLC.", 0, 1, technique));
          children.add(new Property("form", "CodeableConcept", "Describes the nature of the chemical entity and explains, for instance, whether this is a base or a salt form.", 0, 1, form));
          children.add(new Property("description", "markdown", "The description or justification in support of the interpretation of the data file.", 0, 1, description));
          children.add(new Property("file", "Attachment", "The data produced by the analytical instrument or a pictorial representation of that data. Examples: a JCAMP, JDX, or ADX file, or a chromatogram or spectrum analysis.", 0, java.lang.Integer.MAX_VALUE, file));
        }

        @Override
        public Property getNamedProperty(int _hash, String _name, boolean _checkValid) throws FHIRException {
          switch (_hash) {
          case 1469675088: /*technique*/  return new Property("technique", "CodeableConcept", "The method used to elucidate the characterization of the drug substance. Example: HPLC.", 0, 1, technique);
          case 3148996: /*form*/  return new Property("form", "CodeableConcept", "Describes the nature of the chemical entity and explains, for instance, whether this is a base or a salt form.", 0, 1, form);
          case -1724546052: /*description*/  return new Property("description", "markdown", "The description or justification in support of the interpretation of the data file.", 0, 1, description);
          case 3143036: /*file*/  return new Property("file", "Attachment", "The data produced by the analytical instrument or a pictorial representation of that data. Examples: a JCAMP, JDX, or ADX file, or a chromatogram or spectrum analysis.", 0, java.lang.Integer.MAX_VALUE, file);
          default: return super.getNamedProperty(_hash, _name, _checkValid);
          }

        }

      @Override
      public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
        switch (hash) {
        case 1469675088: /*technique*/ return this.technique == null ? new Base[0] : new Base[] {this.technique}; // CodeableConcept
        case 3148996: /*form*/ return this.form == null ? new Base[0] : new Base[] {this.form}; // CodeableConcept
        case -1724546052: /*description*/ return this.description == null ? new Base[0] : new Base[] {this.description}; // MarkdownType
        case 3143036: /*file*/ return this.file == null ? new Base[0] : this.file.toArray(new Base[this.file.size()]); // Attachment
        default: return super.getProperty(hash, name, checkValid);
        }

      }

      @Override
      public Base setProperty(int hash, String name, Base value) throws FHIRException {
        switch (hash) {
        case 1469675088: // technique
          this.technique = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case 3148996: // form
          this.form = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case -1724546052: // description
          this.description = TypeConvertor.castToMarkdown(value); // MarkdownType
          return value;
        case 3143036: // file
          this.getFile().add(TypeConvertor.castToAttachment(value)); // Attachment
          return value;
        default: return super.setProperty(hash, name, value);
        }

      }

      @Override
      public Base setProperty(String name, Base value) throws FHIRException {
        if (name.equals("technique")) {
          this.technique = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("form")) {
          this.form = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("description")) {
          this.description = TypeConvertor.castToMarkdown(value); // MarkdownType
        } else if (name.equals("file")) {
          this.getFile().add(TypeConvertor.castToAttachment(value));
        } else
          return super.setProperty(name, value);
        return value;
      }

  @Override
  public void removeChild(String name, Base value) throws FHIRException {
        if (name.equals("technique")) {
          this.technique = null;
        } else if (name.equals("form")) {
          this.form = null;
        } else if (name.equals("description")) {
          this.description = null;
        } else if (name.equals("file")) {
          this.getFile().remove(value);
        } else
          super.removeChild(name, value);
        
      }

      @Override
      public Base makeProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case 1469675088:  return getTechnique();
        case 3148996:  return getForm();
        case -1724546052:  return getDescriptionElement();
        case 3143036:  return addFile(); 
        default: return super.makeProperty(hash, name);
        }

      }

      @Override
      public String[] getTypesForProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case 1469675088: /*technique*/ return new String[] {"CodeableConcept"};
        case 3148996: /*form*/ return new String[] {"CodeableConcept"};
        case -1724546052: /*description*/ return new String[] {"markdown"};
        case 3143036: /*file*/ return new String[] {"Attachment"};
        default: return super.getTypesForProperty(hash, name);
        }

      }

      @Override
      public Base addChild(String name) throws FHIRException {
        if (name.equals("technique")) {
          this.technique = new CodeableConcept();
          return this.technique;
        }
        else if (name.equals("form")) {
          this.form = new CodeableConcept();
          return this.form;
        }
        else if (name.equals("description")) {
          throw new FHIRException("Cannot call addChild on a singleton property SubstanceDefinition.characterization.description");
        }
        else if (name.equals("file")) {
          return addFile();
        }
        else
          return super.addChild(name);
      }

      public SubstanceDefinitionCharacterizationComponent copy() {
        SubstanceDefinitionCharacterizationComponent dst = new SubstanceDefinitionCharacterizationComponent();
        copyValues(dst);
        return dst;
      }

      public void copyValues(SubstanceDefinitionCharacterizationComponent dst) {
        super.copyValues(dst);
        dst.technique = technique == null ? null : technique.copy();
        dst.form = form == null ? null : form.copy();
        dst.description = description == null ? null : description.copy();
        if (file != null) {
          dst.file = new ArrayList<Attachment>();
          for (Attachment i : file)
            dst.file.add(i.copy());
        };
      }

      @Override
      public boolean equalsDeep(Base other_) {
        if (!super.equalsDeep(other_))
          return false;
        if (!(other_ instanceof SubstanceDefinitionCharacterizationComponent))
          return false;
        SubstanceDefinitionCharacterizationComponent o = (SubstanceDefinitionCharacterizationComponent) other_;
        return compareDeep(technique, o.technique, true) && compareDeep(form, o.form, true) && compareDeep(description, o.description, true)
           && compareDeep(file, o.file, true);
      }

      @Override
      public boolean equalsShallow(Base other_) {
        if (!super.equalsShallow(other_))
          return false;
        if (!(other_ instanceof SubstanceDefinitionCharacterizationComponent))
          return false;
        SubstanceDefinitionCharacterizationComponent o = (SubstanceDefinitionCharacterizationComponent) other_;
        return compareValues(description, o.description, true);
      }

      public boolean isEmpty() {
        return super.isEmpty() && ca.uhn.fhir.util.ElementUtil.isEmpty(technique, form, description
          , file);
      }

  public String fhirType() {
    return "SubstanceDefinition.characterization";

  }

  }

    @Block()
    public static class SubstanceDefinitionPropertyComponent extends BackboneElement implements IBaseBackboneElement {
        /**
         * A code expressing the type of property.
         */
        @Child(name = "type", type = {CodeableConcept.class}, order=1, min=1, max=1, modifier=false, summary=true)
        @Description(shortDefinition="A code expressing the type of property", formalDefinition="A code expressing the type of property." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/product-characteristic-codes")
        protected CodeableConcept type;

        /**
         * A value for the property.
         */
        @Child(name = "value", type = {CodeableConcept.class, Quantity.class, DateType.class, BooleanType.class, Attachment.class}, order=2, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="A value for the property", formalDefinition="A value for the property." )
        protected DataType value;

        private static final long serialVersionUID = -1659186716L;

    /**
     * Constructor
     */
      public SubstanceDefinitionPropertyComponent() {
        super();
      }

    /**
     * Constructor
     */
      public SubstanceDefinitionPropertyComponent(CodeableConcept type) {
        super();
        this.setType(type);
      }

        /**
         * @return {@link #type} (A code expressing the type of property.)
         */
        public CodeableConcept getType() { 
          if (this.type == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionPropertyComponent.type");
            else if (Configuration.doAutoCreate())
              this.type = new CodeableConcept(); // cc
          return this.type;
        }

        public boolean hasType() { 
          return this.type != null && !this.type.isEmpty();
        }

        /**
         * @param value {@link #type} (A code expressing the type of property.)
         */
        public SubstanceDefinitionPropertyComponent setType(CodeableConcept value) { 
          this.type = value;
          return this;
        }

        /**
         * @return {@link #value} (A value for the property.)
         */
        public DataType getValue() { 
          return this.value;
        }

        /**
         * @return {@link #value} (A value for the property.)
         */
        public CodeableConcept getValueCodeableConcept() throws FHIRException { 
          if (this.value == null)
            this.value = new CodeableConcept();
          if (!(this.value instanceof CodeableConcept))
            throw new FHIRException("Type mismatch: the type CodeableConcept was expected, but "+this.value.getClass().getName()+" was encountered");
          return (CodeableConcept) this.value;
        }

        public boolean hasValueCodeableConcept() { 
          return this != null && this.value instanceof CodeableConcept;
        }

        /**
         * @return {@link #value} (A value for the property.)
         */
        public Quantity getValueQuantity() throws FHIRException { 
          if (this.value == null)
            this.value = new Quantity();
          if (!(this.value instanceof Quantity))
            throw new FHIRException("Type mismatch: the type Quantity was expected, but "+this.value.getClass().getName()+" was encountered");
          return (Quantity) this.value;
        }

        public boolean hasValueQuantity() { 
          return this != null && this.value instanceof Quantity;
        }

        /**
         * @return {@link #value} (A value for the property.)
         */
        public DateType getValueDateType() throws FHIRException { 
          if (this.value == null)
            this.value = new DateType();
          if (!(this.value instanceof DateType))
            throw new FHIRException("Type mismatch: the type DateType was expected, but "+this.value.getClass().getName()+" was encountered");
          return (DateType) this.value;
        }

        public boolean hasValueDateType() { 
          return this != null && this.value instanceof DateType;
        }

        /**
         * @return {@link #value} (A value for the property.)
         */
        public BooleanType getValueBooleanType() throws FHIRException { 
          if (this.value == null)
            this.value = new BooleanType();
          if (!(this.value instanceof BooleanType))
            throw new FHIRException("Type mismatch: the type BooleanType was expected, but "+this.value.getClass().getName()+" was encountered");
          return (BooleanType) this.value;
        }

        public boolean hasValueBooleanType() { 
          return this != null && this.value instanceof BooleanType;
        }

        /**
         * @return {@link #value} (A value for the property.)
         */
        public Attachment getValueAttachment() throws FHIRException { 
          if (this.value == null)
            this.value = new Attachment();
          if (!(this.value instanceof Attachment))
            throw new FHIRException("Type mismatch: the type Attachment was expected, but "+this.value.getClass().getName()+" was encountered");
          return (Attachment) this.value;
        }

        public boolean hasValueAttachment() { 
          return this != null && this.value instanceof Attachment;
        }

        public boolean hasValue() { 
          return this.value != null && !this.value.isEmpty();
        }

        /**
         * @param value {@link #value} (A value for the property.)
         */
        public SubstanceDefinitionPropertyComponent setValue(DataType value) { 
          if (value != null && !(value instanceof CodeableConcept || value instanceof Quantity || value instanceof DateType || value instanceof BooleanType || value instanceof Attachment))
            throw new FHIRException("Not the right type for SubstanceDefinition.property.value[x]: "+value.fhirType());
          this.value = value;
          return this;
        }

        protected void listChildren(List<Property> children) {
          super.listChildren(children);
          children.add(new Property("type", "CodeableConcept", "A code expressing the type of property.", 0, 1, type));
          children.add(new Property("value[x]", "CodeableConcept|Quantity|date|boolean|Attachment", "A value for the property.", 0, 1, value));
        }

        @Override
        public Property getNamedProperty(int _hash, String _name, boolean _checkValid) throws FHIRException {
          switch (_hash) {
          case 3575610: /*type*/  return new Property("type", "CodeableConcept", "A code expressing the type of property.", 0, 1, type);
          case -1410166417: /*value[x]*/  return new Property("value[x]", "CodeableConcept|Quantity|date|boolean|Attachment", "A value for the property.", 0, 1, value);
          case 111972721: /*value*/  return new Property("value[x]", "CodeableConcept|Quantity|date|boolean|Attachment", "A value for the property.", 0, 1, value);
          case 924902896: /*valueCodeableConcept*/  return new Property("value[x]", "CodeableConcept", "A value for the property.", 0, 1, value);
          case -2029823716: /*valueQuantity*/  return new Property("value[x]", "Quantity", "A value for the property.", 0, 1, value);
          case -766192449: /*valueDate*/  return new Property("value[x]", "date", "A value for the property.", 0, 1, value);
          case 733421943: /*valueBoolean*/  return new Property("value[x]", "boolean", "A value for the property.", 0, 1, value);
          case -475566732: /*valueAttachment*/  return new Property("value[x]", "Attachment", "A value for the property.", 0, 1, value);
          default: return super.getNamedProperty(_hash, _name, _checkValid);
          }

        }

      @Override
      public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
        switch (hash) {
        case 3575610: /*type*/ return this.type == null ? new Base[0] : new Base[] {this.type}; // CodeableConcept
        case 111972721: /*value*/ return this.value == null ? new Base[0] : new Base[] {this.value}; // DataType
        default: return super.getProperty(hash, name, checkValid);
        }

      }

      @Override
      public Base setProperty(int hash, String name, Base value) throws FHIRException {
        switch (hash) {
        case 3575610: // type
          this.type = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case 111972721: // value
          this.value = TypeConvertor.castToType(value); // DataType
          return value;
        default: return super.setProperty(hash, name, value);
        }

      }

      @Override
      public Base setProperty(String name, Base value) throws FHIRException {
        if (name.equals("type")) {
          this.type = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("value[x]")) {
          this.value = TypeConvertor.castToType(value); // DataType
        } else
          return super.setProperty(name, value);
        return value;
      }

  @Override
  public void removeChild(String name, Base value) throws FHIRException {
        if (name.equals("type")) {
          this.type = null;
        } else if (name.equals("value[x]")) {
          this.value = null;
        } else
          super.removeChild(name, value);
        
      }

      @Override
      public Base makeProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case 3575610:  return getType();
        case -1410166417:  return getValue();
        case 111972721:  return getValue();
        default: return super.makeProperty(hash, name);
        }

      }

      @Override
      public String[] getTypesForProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case 3575610: /*type*/ return new String[] {"CodeableConcept"};
        case 111972721: /*value*/ return new String[] {"CodeableConcept", "Quantity", "date", "boolean", "Attachment"};
        default: return super.getTypesForProperty(hash, name);
        }

      }

      @Override
      public Base addChild(String name) throws FHIRException {
        if (name.equals("type")) {
          this.type = new CodeableConcept();
          return this.type;
        }
        else if (name.equals("valueCodeableConcept")) {
          this.value = new CodeableConcept();
          return this.value;
        }
        else if (name.equals("valueQuantity")) {
          this.value = new Quantity();
          return this.value;
        }
        else if (name.equals("valueDate")) {
          this.value = new DateType();
          return this.value;
        }
        else if (name.equals("valueBoolean")) {
          this.value = new BooleanType();
          return this.value;
        }
        else if (name.equals("valueAttachment")) {
          this.value = new Attachment();
          return this.value;
        }
        else
          return super.addChild(name);
      }

      public SubstanceDefinitionPropertyComponent copy() {
        SubstanceDefinitionPropertyComponent dst = new SubstanceDefinitionPropertyComponent();
        copyValues(dst);
        return dst;
      }

      public void copyValues(SubstanceDefinitionPropertyComponent dst) {
        super.copyValues(dst);
        dst.type = type == null ? null : type.copy();
        dst.value = value == null ? null : value.copy();
      }

      @Override
      public boolean equalsDeep(Base other_) {
        if (!super.equalsDeep(other_))
          return false;
        if (!(other_ instanceof SubstanceDefinitionPropertyComponent))
          return false;
        SubstanceDefinitionPropertyComponent o = (SubstanceDefinitionPropertyComponent) other_;
        return compareDeep(type, o.type, true) && compareDeep(value, o.value, true);
      }

      @Override
      public boolean equalsShallow(Base other_) {
        if (!super.equalsShallow(other_))
          return false;
        if (!(other_ instanceof SubstanceDefinitionPropertyComponent))
          return false;
        SubstanceDefinitionPropertyComponent o = (SubstanceDefinitionPropertyComponent) other_;
        return true;
      }

      public boolean isEmpty() {
        return super.isEmpty() && ca.uhn.fhir.util.ElementUtil.isEmpty(type, value);
      }

  public String fhirType() {
    return "SubstanceDefinition.property";

  }

  }

    @Block()
    public static class SubstanceDefinitionMolecularWeightComponent extends BackboneElement implements IBaseBackboneElement {
        /**
         * The method by which the molecular weight was determined.
         */
        @Child(name = "method", type = {CodeableConcept.class}, order=1, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="The method by which the weight was determined", formalDefinition="The method by which the molecular weight was determined." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/substance-weight-method")
        protected CodeableConcept method;

        /**
         * Type of molecular weight such as exact, average (also known as. number average), weight average.
         */
        @Child(name = "type", type = {CodeableConcept.class}, order=2, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="Type of molecular weight e.g. exact, average, weight average", formalDefinition="Type of molecular weight such as exact, average (also known as. number average), weight average." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/substance-weight-type")
        protected CodeableConcept type;

        /**
         * Used to capture quantitative values for a variety of elements. If only limits are given, the arithmetic mean would be the average. If only a single definite value for a given element is given, it would be captured in this field.
         */
        @Child(name = "amount", type = {Quantity.class}, order=3, min=1, max=1, modifier=false, summary=true)
        @Description(shortDefinition="Used to capture quantitative values for a variety of elements", formalDefinition="Used to capture quantitative values for a variety of elements. If only limits are given, the arithmetic mean would be the average. If only a single definite value for a given element is given, it would be captured in this field." )
        protected Quantity amount;

        private static final long serialVersionUID = 805939780L;

    /**
     * Constructor
     */
      public SubstanceDefinitionMolecularWeightComponent() {
        super();
      }

    /**
     * Constructor
     */
      public SubstanceDefinitionMolecularWeightComponent(Quantity amount) {
        super();
        this.setAmount(amount);
      }

        /**
         * @return {@link #method} (The method by which the molecular weight was determined.)
         */
        public CodeableConcept getMethod() { 
          if (this.method == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionMolecularWeightComponent.method");
            else if (Configuration.doAutoCreate())
              this.method = new CodeableConcept(); // cc
          return this.method;
        }

        public boolean hasMethod() { 
          return this.method != null && !this.method.isEmpty();
        }

        /**
         * @param value {@link #method} (The method by which the molecular weight was determined.)
         */
        public SubstanceDefinitionMolecularWeightComponent setMethod(CodeableConcept value) { 
          this.method = value;
          return this;
        }

        /**
         * @return {@link #type} (Type of molecular weight such as exact, average (also known as. number average), weight average.)
         */
        public CodeableConcept getType() { 
          if (this.type == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionMolecularWeightComponent.type");
            else if (Configuration.doAutoCreate())
              this.type = new CodeableConcept(); // cc
          return this.type;
        }

        public boolean hasType() { 
          return this.type != null && !this.type.isEmpty();
        }

        /**
         * @param value {@link #type} (Type of molecular weight such as exact, average (also known as. number average), weight average.)
         */
        public SubstanceDefinitionMolecularWeightComponent setType(CodeableConcept value) { 
          this.type = value;
          return this;
        }

        /**
         * @return {@link #amount} (Used to capture quantitative values for a variety of elements. If only limits are given, the arithmetic mean would be the average. If only a single definite value for a given element is given, it would be captured in this field.)
         */
        public Quantity getAmount() { 
          if (this.amount == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionMolecularWeightComponent.amount");
            else if (Configuration.doAutoCreate())
              this.amount = new Quantity(); // cc
          return this.amount;
        }

        public boolean hasAmount() { 
          return this.amount != null && !this.amount.isEmpty();
        }

        /**
         * @param value {@link #amount} (Used to capture quantitative values for a variety of elements. If only limits are given, the arithmetic mean would be the average. If only a single definite value for a given element is given, it would be captured in this field.)
         */
        public SubstanceDefinitionMolecularWeightComponent setAmount(Quantity value) { 
          this.amount = value;
          return this;
        }

        protected void listChildren(List<Property> children) {
          super.listChildren(children);
          children.add(new Property("method", "CodeableConcept", "The method by which the molecular weight was determined.", 0, 1, method));
          children.add(new Property("type", "CodeableConcept", "Type of molecular weight such as exact, average (also known as. number average), weight average.", 0, 1, type));
          children.add(new Property("amount", "Quantity", "Used to capture quantitative values for a variety of elements. If only limits are given, the arithmetic mean would be the average. If only a single definite value for a given element is given, it would be captured in this field.", 0, 1, amount));
        }

        @Override
        public Property getNamedProperty(int _hash, String _name, boolean _checkValid) throws FHIRException {
          switch (_hash) {
          case -1077554975: /*method*/  return new Property("method", "CodeableConcept", "The method by which the molecular weight was determined.", 0, 1, method);
          case 3575610: /*type*/  return new Property("type", "CodeableConcept", "Type of molecular weight such as exact, average (also known as. number average), weight average.", 0, 1, type);
          case -1413853096: /*amount*/  return new Property("amount", "Quantity", "Used to capture quantitative values for a variety of elements. If only limits are given, the arithmetic mean would be the average. If only a single definite value for a given element is given, it would be captured in this field.", 0, 1, amount);
          default: return super.getNamedProperty(_hash, _name, _checkValid);
          }

        }

      @Override
      public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
        switch (hash) {
        case -1077554975: /*method*/ return this.method == null ? new Base[0] : new Base[] {this.method}; // CodeableConcept
        case 3575610: /*type*/ return this.type == null ? new Base[0] : new Base[] {this.type}; // CodeableConcept
        case -1413853096: /*amount*/ return this.amount == null ? new Base[0] : new Base[] {this.amount}; // Quantity
        default: return super.getProperty(hash, name, checkValid);
        }

      }

      @Override
      public Base setProperty(int hash, String name, Base value) throws FHIRException {
        switch (hash) {
        case -1077554975: // method
          this.method = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case 3575610: // type
          this.type = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case -1413853096: // amount
          this.amount = TypeConvertor.castToQuantity(value); // Quantity
          return value;
        default: return super.setProperty(hash, name, value);
        }

      }

      @Override
      public Base setProperty(String name, Base value) throws FHIRException {
        if (name.equals("method")) {
          this.method = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("type")) {
          this.type = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("amount")) {
          this.amount = TypeConvertor.castToQuantity(value); // Quantity
        } else
          return super.setProperty(name, value);
        return value;
      }

  @Override
  public void removeChild(String name, Base value) throws FHIRException {
        if (name.equals("method")) {
          this.method = null;
        } else if (name.equals("type")) {
          this.type = null;
        } else if (name.equals("amount")) {
          this.amount = null;
        } else
          super.removeChild(name, value);
        
      }

      @Override
      public Base makeProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case -1077554975:  return getMethod();
        case 3575610:  return getType();
        case -1413853096:  return getAmount();
        default: return super.makeProperty(hash, name);
        }

      }

      @Override
      public String[] getTypesForProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case -1077554975: /*method*/ return new String[] {"CodeableConcept"};
        case 3575610: /*type*/ return new String[] {"CodeableConcept"};
        case -1413853096: /*amount*/ return new String[] {"Quantity"};
        default: return super.getTypesForProperty(hash, name);
        }

      }

      @Override
      public Base addChild(String name) throws FHIRException {
        if (name.equals("method")) {
          this.method = new CodeableConcept();
          return this.method;
        }
        else if (name.equals("type")) {
          this.type = new CodeableConcept();
          return this.type;
        }
        else if (name.equals("amount")) {
          this.amount = new Quantity();
          return this.amount;
        }
        else
          return super.addChild(name);
      }

      public SubstanceDefinitionMolecularWeightComponent copy() {
        SubstanceDefinitionMolecularWeightComponent dst = new SubstanceDefinitionMolecularWeightComponent();
        copyValues(dst);
        return dst;
      }

      public void copyValues(SubstanceDefinitionMolecularWeightComponent dst) {
        super.copyValues(dst);
        dst.method = method == null ? null : method.copy();
        dst.type = type == null ? null : type.copy();
        dst.amount = amount == null ? null : amount.copy();
      }

      @Override
      public boolean equalsDeep(Base other_) {
        if (!super.equalsDeep(other_))
          return false;
        if (!(other_ instanceof SubstanceDefinitionMolecularWeightComponent))
          return false;
        SubstanceDefinitionMolecularWeightComponent o = (SubstanceDefinitionMolecularWeightComponent) other_;
        return compareDeep(method, o.method, true) && compareDeep(type, o.type, true) && compareDeep(amount, o.amount, true)
          ;
      }

      @Override
      public boolean equalsShallow(Base other_) {
        if (!super.equalsShallow(other_))
          return false;
        if (!(other_ instanceof SubstanceDefinitionMolecularWeightComponent))
          return false;
        SubstanceDefinitionMolecularWeightComponent o = (SubstanceDefinitionMolecularWeightComponent) other_;
        return true;
      }

      public boolean isEmpty() {
        return super.isEmpty() && ca.uhn.fhir.util.ElementUtil.isEmpty(method, type, amount);
      }

  public String fhirType() {
    return "SubstanceDefinition.molecularWeight";

  }

  }

    @Block()
    public static class SubstanceDefinitionStructureComponent extends BackboneElement implements IBaseBackboneElement {
        /**
         * Stereochemistry type.
         */
        @Child(name = "stereochemistry", type = {CodeableConcept.class}, order=1, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="Stereochemistry type", formalDefinition="Stereochemistry type." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/substance-stereochemistry")
        protected CodeableConcept stereochemistry;

        /**
         * Optical activity type.
         */
        @Child(name = "opticalActivity", type = {CodeableConcept.class}, order=2, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="Optical activity type", formalDefinition="Optical activity type." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/substance-optical-activity")
        protected CodeableConcept opticalActivity;

        /**
         * An expression which states the number and type of atoms present in a molecule of a substance.
         */
        @Child(name = "molecularFormula", type = {StringType.class}, order=3, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="An expression which states the number and type of atoms present in a molecule of a substance", formalDefinition="An expression which states the number and type of atoms present in a molecule of a substance." )
        protected StringType molecularFormula;

        /**
         * Specified per moiety according to the Hill system, i.e. first C, then H, then alphabetical, each moiety separated by a dot.
         */
        @Child(name = "molecularFormulaByMoiety", type = {StringType.class}, order=4, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="Specified per moiety according to the Hill system", formalDefinition="Specified per moiety according to the Hill system, i.e. first C, then H, then alphabetical, each moiety separated by a dot." )
        protected StringType molecularFormulaByMoiety;

        /**
         * The molecular weight or weight range (for proteins, polymers or nucleic acids).
         */
        @Child(name = "molecularWeight", type = {SubstanceDefinitionMolecularWeightComponent.class}, order=5, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="The molecular weight or weight range", formalDefinition="The molecular weight or weight range (for proteins, polymers or nucleic acids)." )
        protected SubstanceDefinitionMolecularWeightComponent molecularWeight;

        /**
         * The method used to elucidate the structure of the drug substance. Examples: X-ray, NMR, Peptide mapping, Ligand binding assay.
         */
        @Child(name = "technique", type = {CodeableConcept.class}, order=6, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
        @Description(shortDefinition="The method used to find the structure e.g. X-ray, NMR", formalDefinition="The method used to elucidate the structure of the drug substance. Examples: X-ray, NMR, Peptide mapping, Ligand binding assay." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/substance-structure-technique")
        protected List<CodeableConcept> technique;

        /**
         * The source of information about the structure.
         */
        @Child(name = "sourceDocument", type = {DocumentReference.class}, order=7, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
        @Description(shortDefinition="Source of information for the structure", formalDefinition="The source of information about the structure." )
        protected List<Reference> sourceDocument;

        /**
         * A depiction of the structure of the substance.
         */
        @Child(name = "representation", type = {}, order=8, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
        @Description(shortDefinition="A depiction of the structure of the substance", formalDefinition="A depiction of the structure of the substance." )
        protected List<SubstanceDefinitionStructureRepresentationComponent> representation;

        private static final long serialVersionUID = -2137814144L;

    /**
     * Constructor
     */
      public SubstanceDefinitionStructureComponent() {
        super();
      }

        /**
         * @return {@link #stereochemistry} (Stereochemistry type.)
         */
        public CodeableConcept getStereochemistry() { 
          if (this.stereochemistry == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionStructureComponent.stereochemistry");
            else if (Configuration.doAutoCreate())
              this.stereochemistry = new CodeableConcept(); // cc
          return this.stereochemistry;
        }

        public boolean hasStereochemistry() { 
          return this.stereochemistry != null && !this.stereochemistry.isEmpty();
        }

        /**
         * @param value {@link #stereochemistry} (Stereochemistry type.)
         */
        public SubstanceDefinitionStructureComponent setStereochemistry(CodeableConcept value) { 
          this.stereochemistry = value;
          return this;
        }

        /**
         * @return {@link #opticalActivity} (Optical activity type.)
         */
        public CodeableConcept getOpticalActivity() { 
          if (this.opticalActivity == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionStructureComponent.opticalActivity");
            else if (Configuration.doAutoCreate())
              this.opticalActivity = new CodeableConcept(); // cc
          return this.opticalActivity;
        }

        public boolean hasOpticalActivity() { 
          return this.opticalActivity != null && !this.opticalActivity.isEmpty();
        }

        /**
         * @param value {@link #opticalActivity} (Optical activity type.)
         */
        public SubstanceDefinitionStructureComponent setOpticalActivity(CodeableConcept value) { 
          this.opticalActivity = value;
          return this;
        }

        /**
         * @return {@link #molecularFormula} (An expression which states the number and type of atoms present in a molecule of a substance.). This is the underlying object with id, value and extensions. The accessor "getMolecularFormula" gives direct access to the value
         */
        public StringType getMolecularFormulaElement() { 
          if (this.molecularFormula == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionStructureComponent.molecularFormula");
            else if (Configuration.doAutoCreate())
              this.molecularFormula = new StringType(); // bb
          return this.molecularFormula;
        }

        public boolean hasMolecularFormulaElement() { 
          return this.molecularFormula != null && !this.molecularFormula.isEmpty();
        }

        public boolean hasMolecularFormula() { 
          return this.molecularFormula != null && !this.molecularFormula.isEmpty();
        }

        /**
         * @param value {@link #molecularFormula} (An expression which states the number and type of atoms present in a molecule of a substance.). This is the underlying object with id, value and extensions. The accessor "getMolecularFormula" gives direct access to the value
         */
        public SubstanceDefinitionStructureComponent setMolecularFormulaElement(StringType value) { 
          this.molecularFormula = value;
          return this;
        }

        /**
         * @return An expression which states the number and type of atoms present in a molecule of a substance.
         */
        public String getMolecularFormula() { 
          return this.molecularFormula == null ? null : this.molecularFormula.getValue();
        }

        /**
         * @param value An expression which states the number and type of atoms present in a molecule of a substance.
         */
        public SubstanceDefinitionStructureComponent setMolecularFormula(String value) { 
          if (Utilities.noString(value))
            this.molecularFormula = null;
          else {
            if (this.molecularFormula == null)
              this.molecularFormula = new StringType();
            this.molecularFormula.setValue(value);
          }
          return this;
        }

        /**
         * @return {@link #molecularFormulaByMoiety} (Specified per moiety according to the Hill system, i.e. first C, then H, then alphabetical, each moiety separated by a dot.). This is the underlying object with id, value and extensions. The accessor "getMolecularFormulaByMoiety" gives direct access to the value
         */
        public StringType getMolecularFormulaByMoietyElement() { 
          if (this.molecularFormulaByMoiety == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionStructureComponent.molecularFormulaByMoiety");
            else if (Configuration.doAutoCreate())
              this.molecularFormulaByMoiety = new StringType(); // bb
          return this.molecularFormulaByMoiety;
        }

        public boolean hasMolecularFormulaByMoietyElement() { 
          return this.molecularFormulaByMoiety != null && !this.molecularFormulaByMoiety.isEmpty();
        }

        public boolean hasMolecularFormulaByMoiety() { 
          return this.molecularFormulaByMoiety != null && !this.molecularFormulaByMoiety.isEmpty();
        }

        /**
         * @param value {@link #molecularFormulaByMoiety} (Specified per moiety according to the Hill system, i.e. first C, then H, then alphabetical, each moiety separated by a dot.). This is the underlying object with id, value and extensions. The accessor "getMolecularFormulaByMoiety" gives direct access to the value
         */
        public SubstanceDefinitionStructureComponent setMolecularFormulaByMoietyElement(StringType value) { 
          this.molecularFormulaByMoiety = value;
          return this;
        }

        /**
         * @return Specified per moiety according to the Hill system, i.e. first C, then H, then alphabetical, each moiety separated by a dot.
         */
        public String getMolecularFormulaByMoiety() { 
          return this.molecularFormulaByMoiety == null ? null : this.molecularFormulaByMoiety.getValue();
        }

        /**
         * @param value Specified per moiety according to the Hill system, i.e. first C, then H, then alphabetical, each moiety separated by a dot.
         */
        public SubstanceDefinitionStructureComponent setMolecularFormulaByMoiety(String value) { 
          if (Utilities.noString(value))
            this.molecularFormulaByMoiety = null;
          else {
            if (this.molecularFormulaByMoiety == null)
              this.molecularFormulaByMoiety = new StringType();
            this.molecularFormulaByMoiety.setValue(value);
          }
          return this;
        }

        /**
         * @return {@link #molecularWeight} (The molecular weight or weight range (for proteins, polymers or nucleic acids).)
         */
        public SubstanceDefinitionMolecularWeightComponent getMolecularWeight() { 
          if (this.molecularWeight == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionStructureComponent.molecularWeight");
            else if (Configuration.doAutoCreate())
              this.molecularWeight = new SubstanceDefinitionMolecularWeightComponent(); // cc
          return this.molecularWeight;
        }

        public boolean hasMolecularWeight() { 
          return this.molecularWeight != null && !this.molecularWeight.isEmpty();
        }

        /**
         * @param value {@link #molecularWeight} (The molecular weight or weight range (for proteins, polymers or nucleic acids).)
         */
        public SubstanceDefinitionStructureComponent setMolecularWeight(SubstanceDefinitionMolecularWeightComponent value) { 
          this.molecularWeight = value;
          return this;
        }

        /**
         * @return {@link #technique} (The method used to elucidate the structure of the drug substance. Examples: X-ray, NMR, Peptide mapping, Ligand binding assay.)
         */
        public List<CodeableConcept> getTechnique() { 
          if (this.technique == null)
            this.technique = new ArrayList<CodeableConcept>();
          return this.technique;
        }

        /**
         * @return Returns a reference to <code>this</code> for easy method chaining
         */
        public SubstanceDefinitionStructureComponent setTechnique(List<CodeableConcept> theTechnique) { 
          this.technique = theTechnique;
          return this;
        }

        public boolean hasTechnique() { 
          if (this.technique == null)
            return false;
          for (CodeableConcept item : this.technique)
            if (!item.isEmpty())
              return true;
          return false;
        }

        public CodeableConcept addTechnique() { //3
          CodeableConcept t = new CodeableConcept();
          if (this.technique == null)
            this.technique = new ArrayList<CodeableConcept>();
          this.technique.add(t);
          return t;
        }

        public SubstanceDefinitionStructureComponent addTechnique(CodeableConcept t) { //3
          if (t == null)
            return this;
          if (this.technique == null)
            this.technique = new ArrayList<CodeableConcept>();
          this.technique.add(t);
          return this;
        }

        /**
         * @return The first repetition of repeating field {@link #technique}, creating it if it does not already exist {3}
         */
        public CodeableConcept getTechniqueFirstRep() { 
          if (getTechnique().isEmpty()) {
            addTechnique();
          }
          return getTechnique().get(0);
        }

        /**
         * @return {@link #sourceDocument} (The source of information about the structure.)
         */
        public List<Reference> getSourceDocument() { 
          if (this.sourceDocument == null)
            this.sourceDocument = new ArrayList<Reference>();
          return this.sourceDocument;
        }

        /**
         * @return Returns a reference to <code>this</code> for easy method chaining
         */
        public SubstanceDefinitionStructureComponent setSourceDocument(List<Reference> theSourceDocument) { 
          this.sourceDocument = theSourceDocument;
          return this;
        }

        public boolean hasSourceDocument() { 
          if (this.sourceDocument == null)
            return false;
          for (Reference item : this.sourceDocument)
            if (!item.isEmpty())
              return true;
          return false;
        }

        public Reference addSourceDocument() { //3
          Reference t = new Reference();
          if (this.sourceDocument == null)
            this.sourceDocument = new ArrayList<Reference>();
          this.sourceDocument.add(t);
          return t;
        }

        public SubstanceDefinitionStructureComponent addSourceDocument(Reference t) { //3
          if (t == null)
            return this;
          if (this.sourceDocument == null)
            this.sourceDocument = new ArrayList<Reference>();
          this.sourceDocument.add(t);
          return this;
        }

        /**
         * @return The first repetition of repeating field {@link #sourceDocument}, creating it if it does not already exist {3}
         */
        public Reference getSourceDocumentFirstRep() { 
          if (getSourceDocument().isEmpty()) {
            addSourceDocument();
          }
          return getSourceDocument().get(0);
        }

        /**
         * @return {@link #representation} (A depiction of the structure of the substance.)
         */
        public List<SubstanceDefinitionStructureRepresentationComponent> getRepresentation() { 
          if (this.representation == null)
            this.representation = new ArrayList<SubstanceDefinitionStructureRepresentationComponent>();
          return this.representation;
        }

        /**
         * @return Returns a reference to <code>this</code> for easy method chaining
         */
        public SubstanceDefinitionStructureComponent setRepresentation(List<SubstanceDefinitionStructureRepresentationComponent> theRepresentation) { 
          this.representation = theRepresentation;
          return this;
        }

        public boolean hasRepresentation() { 
          if (this.representation == null)
            return false;
          for (SubstanceDefinitionStructureRepresentationComponent item : this.representation)
            if (!item.isEmpty())
              return true;
          return false;
        }

        public SubstanceDefinitionStructureRepresentationComponent addRepresentation() { //3
          SubstanceDefinitionStructureRepresentationComponent t = new SubstanceDefinitionStructureRepresentationComponent();
          if (this.representation == null)
            this.representation = new ArrayList<SubstanceDefinitionStructureRepresentationComponent>();
          this.representation.add(t);
          return t;
        }

        public SubstanceDefinitionStructureComponent addRepresentation(SubstanceDefinitionStructureRepresentationComponent t) { //3
          if (t == null)
            return this;
          if (this.representation == null)
            this.representation = new ArrayList<SubstanceDefinitionStructureRepresentationComponent>();
          this.representation.add(t);
          return this;
        }

        /**
         * @return The first repetition of repeating field {@link #representation}, creating it if it does not already exist {3}
         */
        public SubstanceDefinitionStructureRepresentationComponent getRepresentationFirstRep() { 
          if (getRepresentation().isEmpty()) {
            addRepresentation();
          }
          return getRepresentation().get(0);
        }

        protected void listChildren(List<Property> children) {
          super.listChildren(children);
          children.add(new Property("stereochemistry", "CodeableConcept", "Stereochemistry type.", 0, 1, stereochemistry));
          children.add(new Property("opticalActivity", "CodeableConcept", "Optical activity type.", 0, 1, opticalActivity));
          children.add(new Property("molecularFormula", "string", "An expression which states the number and type of atoms present in a molecule of a substance.", 0, 1, molecularFormula));
          children.add(new Property("molecularFormulaByMoiety", "string", "Specified per moiety according to the Hill system, i.e. first C, then H, then alphabetical, each moiety separated by a dot.", 0, 1, molecularFormulaByMoiety));
          children.add(new Property("molecularWeight", "@SubstanceDefinition.molecularWeight", "The molecular weight or weight range (for proteins, polymers or nucleic acids).", 0, 1, molecularWeight));
          children.add(new Property("technique", "CodeableConcept", "The method used to elucidate the structure of the drug substance. Examples: X-ray, NMR, Peptide mapping, Ligand binding assay.", 0, java.lang.Integer.MAX_VALUE, technique));
          children.add(new Property("sourceDocument", "Reference(DocumentReference)", "The source of information about the structure.", 0, java.lang.Integer.MAX_VALUE, sourceDocument));
          children.add(new Property("representation", "", "A depiction of the structure of the substance.", 0, java.lang.Integer.MAX_VALUE, representation));
        }

        @Override
        public Property getNamedProperty(int _hash, String _name, boolean _checkValid) throws FHIRException {
          switch (_hash) {
          case 263475116: /*stereochemistry*/  return new Property("stereochemistry", "CodeableConcept", "Stereochemistry type.", 0, 1, stereochemistry);
          case 1420900135: /*opticalActivity*/  return new Property("opticalActivity", "CodeableConcept", "Optical activity type.", 0, 1, opticalActivity);
          case 616660246: /*molecularFormula*/  return new Property("molecularFormula", "string", "An expression which states the number and type of atoms present in a molecule of a substance.", 0, 1, molecularFormula);
          case 1315452848: /*molecularFormulaByMoiety*/  return new Property("molecularFormulaByMoiety", "string", "Specified per moiety according to the Hill system, i.e. first C, then H, then alphabetical, each moiety separated by a dot.", 0, 1, molecularFormulaByMoiety);
          case 635625672: /*molecularWeight*/  return new Property("molecularWeight", "@SubstanceDefinition.molecularWeight", "The molecular weight or weight range (for proteins, polymers or nucleic acids).", 0, 1, molecularWeight);
          case 1469675088: /*technique*/  return new Property("technique", "CodeableConcept", "The method used to elucidate the structure of the drug substance. Examples: X-ray, NMR, Peptide mapping, Ligand binding assay.", 0, java.lang.Integer.MAX_VALUE, technique);
          case -501788074: /*sourceDocument*/  return new Property("sourceDocument", "Reference(DocumentReference)", "The source of information about the structure.", 0, java.lang.Integer.MAX_VALUE, sourceDocument);
          case -671065907: /*representation*/  return new Property("representation", "", "A depiction of the structure of the substance.", 0, java.lang.Integer.MAX_VALUE, representation);
          default: return super.getNamedProperty(_hash, _name, _checkValid);
          }

        }

      @Override
      public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
        switch (hash) {
        case 263475116: /*stereochemistry*/ return this.stereochemistry == null ? new Base[0] : new Base[] {this.stereochemistry}; // CodeableConcept
        case 1420900135: /*opticalActivity*/ return this.opticalActivity == null ? new Base[0] : new Base[] {this.opticalActivity}; // CodeableConcept
        case 616660246: /*molecularFormula*/ return this.molecularFormula == null ? new Base[0] : new Base[] {this.molecularFormula}; // StringType
        case 1315452848: /*molecularFormulaByMoiety*/ return this.molecularFormulaByMoiety == null ? new Base[0] : new Base[] {this.molecularFormulaByMoiety}; // StringType
        case 635625672: /*molecularWeight*/ return this.molecularWeight == null ? new Base[0] : new Base[] {this.molecularWeight}; // SubstanceDefinitionMolecularWeightComponent
        case 1469675088: /*technique*/ return this.technique == null ? new Base[0] : this.technique.toArray(new Base[this.technique.size()]); // CodeableConcept
        case -501788074: /*sourceDocument*/ return this.sourceDocument == null ? new Base[0] : this.sourceDocument.toArray(new Base[this.sourceDocument.size()]); // Reference
        case -671065907: /*representation*/ return this.representation == null ? new Base[0] : this.representation.toArray(new Base[this.representation.size()]); // SubstanceDefinitionStructureRepresentationComponent
        default: return super.getProperty(hash, name, checkValid);
        }

      }

      @Override
      public Base setProperty(int hash, String name, Base value) throws FHIRException {
        switch (hash) {
        case 263475116: // stereochemistry
          this.stereochemistry = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case 1420900135: // opticalActivity
          this.opticalActivity = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case 616660246: // molecularFormula
          this.molecularFormula = TypeConvertor.castToString(value); // StringType
          return value;
        case 1315452848: // molecularFormulaByMoiety
          this.molecularFormulaByMoiety = TypeConvertor.castToString(value); // StringType
          return value;
        case 635625672: // molecularWeight
          this.molecularWeight = (SubstanceDefinitionMolecularWeightComponent) value; // SubstanceDefinitionMolecularWeightComponent
          return value;
        case 1469675088: // technique
          this.getTechnique().add(TypeConvertor.castToCodeableConcept(value)); // CodeableConcept
          return value;
        case -501788074: // sourceDocument
          this.getSourceDocument().add(TypeConvertor.castToReference(value)); // Reference
          return value;
        case -671065907: // representation
          this.getRepresentation().add((SubstanceDefinitionStructureRepresentationComponent) value); // SubstanceDefinitionStructureRepresentationComponent
          return value;
        default: return super.setProperty(hash, name, value);
        }

      }

      @Override
      public Base setProperty(String name, Base value) throws FHIRException {
        if (name.equals("stereochemistry")) {
          this.stereochemistry = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("opticalActivity")) {
          this.opticalActivity = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("molecularFormula")) {
          this.molecularFormula = TypeConvertor.castToString(value); // StringType
        } else if (name.equals("molecularFormulaByMoiety")) {
          this.molecularFormulaByMoiety = TypeConvertor.castToString(value); // StringType
        } else if (name.equals("molecularWeight")) {
          this.molecularWeight = (SubstanceDefinitionMolecularWeightComponent) value; // SubstanceDefinitionMolecularWeightComponent
        } else if (name.equals("technique")) {
          this.getTechnique().add(TypeConvertor.castToCodeableConcept(value));
        } else if (name.equals("sourceDocument")) {
          this.getSourceDocument().add(TypeConvertor.castToReference(value));
        } else if (name.equals("representation")) {
          this.getRepresentation().add((SubstanceDefinitionStructureRepresentationComponent) value);
        } else
          return super.setProperty(name, value);
        return value;
      }

  @Override
  public void removeChild(String name, Base value) throws FHIRException {
        if (name.equals("stereochemistry")) {
          this.stereochemistry = null;
        } else if (name.equals("opticalActivity")) {
          this.opticalActivity = null;
        } else if (name.equals("molecularFormula")) {
          this.molecularFormula = null;
        } else if (name.equals("molecularFormulaByMoiety")) {
          this.molecularFormulaByMoiety = null;
        } else if (name.equals("molecularWeight")) {
          this.molecularWeight = (SubstanceDefinitionMolecularWeightComponent) value; // SubstanceDefinitionMolecularWeightComponent
        } else if (name.equals("technique")) {
          this.getTechnique().remove(value);
        } else if (name.equals("sourceDocument")) {
          this.getSourceDocument().remove(value);
        } else if (name.equals("representation")) {
          this.getRepresentation().remove((SubstanceDefinitionStructureRepresentationComponent) value);
        } else
          super.removeChild(name, value);
        
      }

      @Override
      public Base makeProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case 263475116:  return getStereochemistry();
        case 1420900135:  return getOpticalActivity();
        case 616660246:  return getMolecularFormulaElement();
        case 1315452848:  return getMolecularFormulaByMoietyElement();
        case 635625672:  return getMolecularWeight();
        case 1469675088:  return addTechnique(); 
        case -501788074:  return addSourceDocument(); 
        case -671065907:  return addRepresentation(); 
        default: return super.makeProperty(hash, name);
        }

      }

      @Override
      public String[] getTypesForProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case 263475116: /*stereochemistry*/ return new String[] {"CodeableConcept"};
        case 1420900135: /*opticalActivity*/ return new String[] {"CodeableConcept"};
        case 616660246: /*molecularFormula*/ return new String[] {"string"};
        case 1315452848: /*molecularFormulaByMoiety*/ return new String[] {"string"};
        case 635625672: /*molecularWeight*/ return new String[] {"@SubstanceDefinition.molecularWeight"};
        case 1469675088: /*technique*/ return new String[] {"CodeableConcept"};
        case -501788074: /*sourceDocument*/ return new String[] {"Reference"};
        case -671065907: /*representation*/ return new String[] {};
        default: return super.getTypesForProperty(hash, name);
        }

      }

      @Override
      public Base addChild(String name) throws FHIRException {
        if (name.equals("stereochemistry")) {
          this.stereochemistry = new CodeableConcept();
          return this.stereochemistry;
        }
        else if (name.equals("opticalActivity")) {
          this.opticalActivity = new CodeableConcept();
          return this.opticalActivity;
        }
        else if (name.equals("molecularFormula")) {
          throw new FHIRException("Cannot call addChild on a singleton property SubstanceDefinition.structure.molecularFormula");
        }
        else if (name.equals("molecularFormulaByMoiety")) {
          throw new FHIRException("Cannot call addChild on a singleton property SubstanceDefinition.structure.molecularFormulaByMoiety");
        }
        else if (name.equals("molecularWeight")) {
          this.molecularWeight = new SubstanceDefinitionMolecularWeightComponent();
          return this.molecularWeight;
        }
        else if (name.equals("technique")) {
          return addTechnique();
        }
        else if (name.equals("sourceDocument")) {
          return addSourceDocument();
        }
        else if (name.equals("representation")) {
          return addRepresentation();
        }
        else
          return super.addChild(name);
      }

      public SubstanceDefinitionStructureComponent copy() {
        SubstanceDefinitionStructureComponent dst = new SubstanceDefinitionStructureComponent();
        copyValues(dst);
        return dst;
      }

      public void copyValues(SubstanceDefinitionStructureComponent dst) {
        super.copyValues(dst);
        dst.stereochemistry = stereochemistry == null ? null : stereochemistry.copy();
        dst.opticalActivity = opticalActivity == null ? null : opticalActivity.copy();
        dst.molecularFormula = molecularFormula == null ? null : molecularFormula.copy();
        dst.molecularFormulaByMoiety = molecularFormulaByMoiety == null ? null : molecularFormulaByMoiety.copy();
        dst.molecularWeight = molecularWeight == null ? null : molecularWeight.copy();
        if (technique != null) {
          dst.technique = new ArrayList<CodeableConcept>();
          for (CodeableConcept i : technique)
            dst.technique.add(i.copy());
        };
        if (sourceDocument != null) {
          dst.sourceDocument = new ArrayList<Reference>();
          for (Reference i : sourceDocument)
            dst.sourceDocument.add(i.copy());
        };
        if (representation != null) {
          dst.representation = new ArrayList<SubstanceDefinitionStructureRepresentationComponent>();
          for (SubstanceDefinitionStructureRepresentationComponent i : representation)
            dst.representation.add(i.copy());
        };
      }

      @Override
      public boolean equalsDeep(Base other_) {
        if (!super.equalsDeep(other_))
          return false;
        if (!(other_ instanceof SubstanceDefinitionStructureComponent))
          return false;
        SubstanceDefinitionStructureComponent o = (SubstanceDefinitionStructureComponent) other_;
        return compareDeep(stereochemistry, o.stereochemistry, true) && compareDeep(opticalActivity, o.opticalActivity, true)
           && compareDeep(molecularFormula, o.molecularFormula, true) && compareDeep(molecularFormulaByMoiety, o.molecularFormulaByMoiety, true)
           && compareDeep(molecularWeight, o.molecularWeight, true) && compareDeep(technique, o.technique, true)
           && compareDeep(sourceDocument, o.sourceDocument, true) && compareDeep(representation, o.representation, true)
          ;
      }

      @Override
      public boolean equalsShallow(Base other_) {
        if (!super.equalsShallow(other_))
          return false;
        if (!(other_ instanceof SubstanceDefinitionStructureComponent))
          return false;
        SubstanceDefinitionStructureComponent o = (SubstanceDefinitionStructureComponent) other_;
        return compareValues(molecularFormula, o.molecularFormula, true) && compareValues(molecularFormulaByMoiety, o.molecularFormulaByMoiety, true)
          ;
      }

      public boolean isEmpty() {
        return super.isEmpty() && ca.uhn.fhir.util.ElementUtil.isEmpty(stereochemistry, opticalActivity
          , molecularFormula, molecularFormulaByMoiety, molecularWeight, technique, sourceDocument
          , representation);
      }

  public String fhirType() {
    return "SubstanceDefinition.structure";

  }

  }

    @Block()
    public static class SubstanceDefinitionStructureRepresentationComponent extends BackboneElement implements IBaseBackboneElement {
        /**
         * The kind of structural representation (e.g. full, partial).
         */
        @Child(name = "type", type = {CodeableConcept.class}, order=1, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="The kind of structural representation (e.g. full, partial)", formalDefinition="The kind of structural representation (e.g. full, partial)." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/substance-representation-type")
        protected CodeableConcept type;

        /**
         * The structural representation as a text string in a standard format.
         */
        @Child(name = "representation", type = {StringType.class}, order=2, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="The structural representation as a text string in a standard format", formalDefinition="The structural representation as a text string in a standard format." )
        protected StringType representation;

        /**
         * The format of the representation e.g. InChI, SMILES, MOLFILE, CDX, SDF, PDB, mmCIF. The logical content type rather than the physical file format of a document.
         */
        @Child(name = "format", type = {CodeableConcept.class}, order=3, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="The format of the representation e.g. InChI, SMILES, MOLFILE (note: not the physical file format)", formalDefinition="The format of the representation e.g. InChI, SMILES, MOLFILE, CDX, SDF, PDB, mmCIF. The logical content type rather than the physical file format of a document." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/substance-representation-format")
        protected CodeableConcept format;

        /**
         * An attached file with the structural representation e.g. a molecular structure graphic of the substance, a JCAMP or AnIML file.
         */
        @Child(name = "document", type = {DocumentReference.class}, order=4, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="An attachment with the structural representation e.g. a structure graphic or AnIML file", formalDefinition="An attached file with the structural representation e.g. a molecular structure graphic of the substance, a JCAMP or AnIML file." )
        protected Reference document;

        private static final long serialVersionUID = 138704347L;

    /**
     * Constructor
     */
      public SubstanceDefinitionStructureRepresentationComponent() {
        super();
      }

        /**
         * @return {@link #type} (The kind of structural representation (e.g. full, partial).)
         */
        public CodeableConcept getType() { 
          if (this.type == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionStructureRepresentationComponent.type");
            else if (Configuration.doAutoCreate())
              this.type = new CodeableConcept(); // cc
          return this.type;
        }

        public boolean hasType() { 
          return this.type != null && !this.type.isEmpty();
        }

        /**
         * @param value {@link #type} (The kind of structural representation (e.g. full, partial).)
         */
        public SubstanceDefinitionStructureRepresentationComponent setType(CodeableConcept value) { 
          this.type = value;
          return this;
        }

        /**
         * @return {@link #representation} (The structural representation as a text string in a standard format.). This is the underlying object with id, value and extensions. The accessor "getRepresentation" gives direct access to the value
         */
        public StringType getRepresentationElement() { 
          if (this.representation == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionStructureRepresentationComponent.representation");
            else if (Configuration.doAutoCreate())
              this.representation = new StringType(); // bb
          return this.representation;
        }

        public boolean hasRepresentationElement() { 
          return this.representation != null && !this.representation.isEmpty();
        }

        public boolean hasRepresentation() { 
          return this.representation != null && !this.representation.isEmpty();
        }

        /**
         * @param value {@link #representation} (The structural representation as a text string in a standard format.). This is the underlying object with id, value and extensions. The accessor "getRepresentation" gives direct access to the value
         */
        public SubstanceDefinitionStructureRepresentationComponent setRepresentationElement(StringType value) { 
          this.representation = value;
          return this;
        }

        /**
         * @return The structural representation as a text string in a standard format.
         */
        public String getRepresentation() { 
          return this.representation == null ? null : this.representation.getValue();
        }

        /**
         * @param value The structural representation as a text string in a standard format.
         */
        public SubstanceDefinitionStructureRepresentationComponent setRepresentation(String value) { 
          if (Utilities.noString(value))
            this.representation = null;
          else {
            if (this.representation == null)
              this.representation = new StringType();
            this.representation.setValue(value);
          }
          return this;
        }

        /**
         * @return {@link #format} (The format of the representation e.g. InChI, SMILES, MOLFILE, CDX, SDF, PDB, mmCIF. The logical content type rather than the physical file format of a document.)
         */
        public CodeableConcept getFormat() { 
          if (this.format == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionStructureRepresentationComponent.format");
            else if (Configuration.doAutoCreate())
              this.format = new CodeableConcept(); // cc
          return this.format;
        }

        public boolean hasFormat() { 
          return this.format != null && !this.format.isEmpty();
        }

        /**
         * @param value {@link #format} (The format of the representation e.g. InChI, SMILES, MOLFILE, CDX, SDF, PDB, mmCIF. The logical content type rather than the physical file format of a document.)
         */
        public SubstanceDefinitionStructureRepresentationComponent setFormat(CodeableConcept value) { 
          this.format = value;
          return this;
        }

        /**
         * @return {@link #document} (An attached file with the structural representation e.g. a molecular structure graphic of the substance, a JCAMP or AnIML file.)
         */
        public Reference getDocument() { 
          if (this.document == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionStructureRepresentationComponent.document");
            else if (Configuration.doAutoCreate())
              this.document = new Reference(); // cc
          return this.document;
        }

        public boolean hasDocument() { 
          return this.document != null && !this.document.isEmpty();
        }

        /**
         * @param value {@link #document} (An attached file with the structural representation e.g. a molecular structure graphic of the substance, a JCAMP or AnIML file.)
         */
        public SubstanceDefinitionStructureRepresentationComponent setDocument(Reference value) { 
          this.document = value;
          return this;
        }

        protected void listChildren(List<Property> children) {
          super.listChildren(children);
          children.add(new Property("type", "CodeableConcept", "The kind of structural representation (e.g. full, partial).", 0, 1, type));
          children.add(new Property("representation", "string", "The structural representation as a text string in a standard format.", 0, 1, representation));
          children.add(new Property("format", "CodeableConcept", "The format of the representation e.g. InChI, SMILES, MOLFILE, CDX, SDF, PDB, mmCIF. The logical content type rather than the physical file format of a document.", 0, 1, format));
          children.add(new Property("document", "Reference(DocumentReference)", "An attached file with the structural representation e.g. a molecular structure graphic of the substance, a JCAMP or AnIML file.", 0, 1, document));
        }

        @Override
        public Property getNamedProperty(int _hash, String _name, boolean _checkValid) throws FHIRException {
          switch (_hash) {
          case 3575610: /*type*/  return new Property("type", "CodeableConcept", "The kind of structural representation (e.g. full, partial).", 0, 1, type);
          case -671065907: /*representation*/  return new Property("representation", "string", "The structural representation as a text string in a standard format.", 0, 1, representation);
          case -1268779017: /*format*/  return new Property("format", "CodeableConcept", "The format of the representation e.g. InChI, SMILES, MOLFILE, CDX, SDF, PDB, mmCIF. The logical content type rather than the physical file format of a document.", 0, 1, format);
          case 861720859: /*document*/  return new Property("document", "Reference(DocumentReference)", "An attached file with the structural representation e.g. a molecular structure graphic of the substance, a JCAMP or AnIML file.", 0, 1, document);
          default: return super.getNamedProperty(_hash, _name, _checkValid);
          }

        }

      @Override
      public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
        switch (hash) {
        case 3575610: /*type*/ return this.type == null ? new Base[0] : new Base[] {this.type}; // CodeableConcept
        case -671065907: /*representation*/ return this.representation == null ? new Base[0] : new Base[] {this.representation}; // StringType
        case -1268779017: /*format*/ return this.format == null ? new Base[0] : new Base[] {this.format}; // CodeableConcept
        case 861720859: /*document*/ return this.document == null ? new Base[0] : new Base[] {this.document}; // Reference
        default: return super.getProperty(hash, name, checkValid);
        }

      }

      @Override
      public Base setProperty(int hash, String name, Base value) throws FHIRException {
        switch (hash) {
        case 3575610: // type
          this.type = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case -671065907: // representation
          this.representation = TypeConvertor.castToString(value); // StringType
          return value;
        case -1268779017: // format
          this.format = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case 861720859: // document
          this.document = TypeConvertor.castToReference(value); // Reference
          return value;
        default: return super.setProperty(hash, name, value);
        }

      }

      @Override
      public Base setProperty(String name, Base value) throws FHIRException {
        if (name.equals("type")) {
          this.type = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("representation")) {
          this.representation = TypeConvertor.castToString(value); // StringType
        } else if (name.equals("format")) {
          this.format = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("document")) {
          this.document = TypeConvertor.castToReference(value); // Reference
        } else
          return super.setProperty(name, value);
        return value;
      }

  @Override
  public void removeChild(String name, Base value) throws FHIRException {
        if (name.equals("type")) {
          this.type = null;
        } else if (name.equals("representation")) {
          this.representation = null;
        } else if (name.equals("format")) {
          this.format = null;
        } else if (name.equals("document")) {
          this.document = null;
        } else
          super.removeChild(name, value);
        
      }

      @Override
      public Base makeProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case 3575610:  return getType();
        case -671065907:  return getRepresentationElement();
        case -1268779017:  return getFormat();
        case 861720859:  return getDocument();
        default: return super.makeProperty(hash, name);
        }

      }

      @Override
      public String[] getTypesForProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case 3575610: /*type*/ return new String[] {"CodeableConcept"};
        case -671065907: /*representation*/ return new String[] {"string"};
        case -1268779017: /*format*/ return new String[] {"CodeableConcept"};
        case 861720859: /*document*/ return new String[] {"Reference"};
        default: return super.getTypesForProperty(hash, name);
        }

      }

      @Override
      public Base addChild(String name) throws FHIRException {
        if (name.equals("type")) {
          this.type = new CodeableConcept();
          return this.type;
        }
        else if (name.equals("representation")) {
          throw new FHIRException("Cannot call addChild on a singleton property SubstanceDefinition.structure.representation.representation");
        }
        else if (name.equals("format")) {
          this.format = new CodeableConcept();
          return this.format;
        }
        else if (name.equals("document")) {
          this.document = new Reference();
          return this.document;
        }
        else
          return super.addChild(name);
      }

      public SubstanceDefinitionStructureRepresentationComponent copy() {
        SubstanceDefinitionStructureRepresentationComponent dst = new SubstanceDefinitionStructureRepresentationComponent();
        copyValues(dst);
        return dst;
      }

      public void copyValues(SubstanceDefinitionStructureRepresentationComponent dst) {
        super.copyValues(dst);
        dst.type = type == null ? null : type.copy();
        dst.representation = representation == null ? null : representation.copy();
        dst.format = format == null ? null : format.copy();
        dst.document = document == null ? null : document.copy();
      }

      @Override
      public boolean equalsDeep(Base other_) {
        if (!super.equalsDeep(other_))
          return false;
        if (!(other_ instanceof SubstanceDefinitionStructureRepresentationComponent))
          return false;
        SubstanceDefinitionStructureRepresentationComponent o = (SubstanceDefinitionStructureRepresentationComponent) other_;
        return compareDeep(type, o.type, true) && compareDeep(representation, o.representation, true) && compareDeep(format, o.format, true)
           && compareDeep(document, o.document, true);
      }

      @Override
      public boolean equalsShallow(Base other_) {
        if (!super.equalsShallow(other_))
          return false;
        if (!(other_ instanceof SubstanceDefinitionStructureRepresentationComponent))
          return false;
        SubstanceDefinitionStructureRepresentationComponent o = (SubstanceDefinitionStructureRepresentationComponent) other_;
        return compareValues(representation, o.representation, true);
      }

      public boolean isEmpty() {
        return super.isEmpty() && ca.uhn.fhir.util.ElementUtil.isEmpty(type, representation, format
          , document);
      }

  public String fhirType() {
    return "SubstanceDefinition.structure.representation";

  }

  }

    @Block()
    public static class SubstanceDefinitionCodeComponent extends BackboneElement implements IBaseBackboneElement {
        /**
         * The specific code.
         */
        @Child(name = "code", type = {CodeableConcept.class}, order=1, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="The specific code", formalDefinition="The specific code." )
        protected CodeableConcept code;

        /**
         * Status of the code assignment, for example 'provisional', 'approved'.
         */
        @Child(name = "status", type = {CodeableConcept.class}, order=2, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="Status of the code assignment, for example 'provisional', 'approved'", formalDefinition="Status of the code assignment, for example 'provisional', 'approved'." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/publication-status")
        protected CodeableConcept status;

        /**
         * The date at which the code status was changed as part of the terminology maintenance.
         */
        @Child(name = "statusDate", type = {DateTimeType.class}, order=3, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="The date at which the code status was changed", formalDefinition="The date at which the code status was changed as part of the terminology maintenance." )
        protected DateTimeType statusDate;

        /**
         * Any comment can be provided in this field, if necessary.
         */
        @Child(name = "note", type = {Annotation.class}, order=4, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
        @Description(shortDefinition="Any comment can be provided in this field", formalDefinition="Any comment can be provided in this field, if necessary." )
        protected List<Annotation> note;

        /**
         * Supporting literature.
         */
        @Child(name = "source", type = {DocumentReference.class}, order=5, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
        @Description(shortDefinition="Supporting literature", formalDefinition="Supporting literature." )
        protected List<Reference> source;

        private static final long serialVersionUID = 1140562105L;

    /**
     * Constructor
     */
      public SubstanceDefinitionCodeComponent() {
        super();
      }

        /**
         * @return {@link #code} (The specific code.)
         */
        public CodeableConcept getCode() { 
          if (this.code == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionCodeComponent.code");
            else if (Configuration.doAutoCreate())
              this.code = new CodeableConcept(); // cc
          return this.code;
        }

        public boolean hasCode() { 
          return this.code != null && !this.code.isEmpty();
        }

        /**
         * @param value {@link #code} (The specific code.)
         */
        public SubstanceDefinitionCodeComponent setCode(CodeableConcept value) { 
          this.code = value;
          return this;
        }

        /**
         * @return {@link #status} (Status of the code assignment, for example 'provisional', 'approved'.)
         */
        public CodeableConcept getStatus() { 
          if (this.status == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionCodeComponent.status");
            else if (Configuration.doAutoCreate())
              this.status = new CodeableConcept(); // cc
          return this.status;
        }

        public boolean hasStatus() { 
          return this.status != null && !this.status.isEmpty();
        }

        /**
         * @param value {@link #status} (Status of the code assignment, for example 'provisional', 'approved'.)
         */
        public SubstanceDefinitionCodeComponent setStatus(CodeableConcept value) { 
          this.status = value;
          return this;
        }

        /**
         * @return {@link #statusDate} (The date at which the code status was changed as part of the terminology maintenance.). This is the underlying object with id, value and extensions. The accessor "getStatusDate" gives direct access to the value
         */
        public DateTimeType getStatusDateElement() { 
          if (this.statusDate == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionCodeComponent.statusDate");
            else if (Configuration.doAutoCreate())
              this.statusDate = new DateTimeType(); // bb
          return this.statusDate;
        }

        public boolean hasStatusDateElement() { 
          return this.statusDate != null && !this.statusDate.isEmpty();
        }

        public boolean hasStatusDate() { 
          return this.statusDate != null && !this.statusDate.isEmpty();
        }

        /**
         * @param value {@link #statusDate} (The date at which the code status was changed as part of the terminology maintenance.). This is the underlying object with id, value and extensions. The accessor "getStatusDate" gives direct access to the value
         */
        public SubstanceDefinitionCodeComponent setStatusDateElement(DateTimeType value) { 
          this.statusDate = value;
          return this;
        }

        /**
         * @return The date at which the code status was changed as part of the terminology maintenance.
         */
        public Date getStatusDate() { 
          return this.statusDate == null ? null : this.statusDate.getValue();
        }

        /**
         * @param value The date at which the code status was changed as part of the terminology maintenance.
         */
        public SubstanceDefinitionCodeComponent setStatusDate(Date value) { 
          if (value == null)
            this.statusDate = null;
          else {
            if (this.statusDate == null)
              this.statusDate = new DateTimeType();
            this.statusDate.setValue(value);
          }
          return this;
        }

        /**
         * @return {@link #note} (Any comment can be provided in this field, if necessary.)
         */
        public List<Annotation> getNote() { 
          if (this.note == null)
            this.note = new ArrayList<Annotation>();
          return this.note;
        }

        /**
         * @return Returns a reference to <code>this</code> for easy method chaining
         */
        public SubstanceDefinitionCodeComponent setNote(List<Annotation> theNote) { 
          this.note = theNote;
          return this;
        }

        public boolean hasNote() { 
          if (this.note == null)
            return false;
          for (Annotation item : this.note)
            if (!item.isEmpty())
              return true;
          return false;
        }

        public Annotation addNote() { //3
          Annotation t = new Annotation();
          if (this.note == null)
            this.note = new ArrayList<Annotation>();
          this.note.add(t);
          return t;
        }

        public SubstanceDefinitionCodeComponent addNote(Annotation t) { //3
          if (t == null)
            return this;
          if (this.note == null)
            this.note = new ArrayList<Annotation>();
          this.note.add(t);
          return this;
        }

        /**
         * @return The first repetition of repeating field {@link #note}, creating it if it does not already exist {3}
         */
        public Annotation getNoteFirstRep() { 
          if (getNote().isEmpty()) {
            addNote();
          }
          return getNote().get(0);
        }

        /**
         * @return {@link #source} (Supporting literature.)
         */
        public List<Reference> getSource() { 
          if (this.source == null)
            this.source = new ArrayList<Reference>();
          return this.source;
        }

        /**
         * @return Returns a reference to <code>this</code> for easy method chaining
         */
        public SubstanceDefinitionCodeComponent setSource(List<Reference> theSource) { 
          this.source = theSource;
          return this;
        }

        public boolean hasSource() { 
          if (this.source == null)
            return false;
          for (Reference item : this.source)
            if (!item.isEmpty())
              return true;
          return false;
        }

        public Reference addSource() { //3
          Reference t = new Reference();
          if (this.source == null)
            this.source = new ArrayList<Reference>();
          this.source.add(t);
          return t;
        }

        public SubstanceDefinitionCodeComponent addSource(Reference t) { //3
          if (t == null)
            return this;
          if (this.source == null)
            this.source = new ArrayList<Reference>();
          this.source.add(t);
          return this;
        }

        /**
         * @return The first repetition of repeating field {@link #source}, creating it if it does not already exist {3}
         */
        public Reference getSourceFirstRep() { 
          if (getSource().isEmpty()) {
            addSource();
          }
          return getSource().get(0);
        }

        protected void listChildren(List<Property> children) {
          super.listChildren(children);
          children.add(new Property("code", "CodeableConcept", "The specific code.", 0, 1, code));
          children.add(new Property("status", "CodeableConcept", "Status of the code assignment, for example 'provisional', 'approved'.", 0, 1, status));
          children.add(new Property("statusDate", "dateTime", "The date at which the code status was changed as part of the terminology maintenance.", 0, 1, statusDate));
          children.add(new Property("note", "Annotation", "Any comment can be provided in this field, if necessary.", 0, java.lang.Integer.MAX_VALUE, note));
          children.add(new Property("source", "Reference(DocumentReference)", "Supporting literature.", 0, java.lang.Integer.MAX_VALUE, source));
        }

        @Override
        public Property getNamedProperty(int _hash, String _name, boolean _checkValid) throws FHIRException {
          switch (_hash) {
          case 3059181: /*code*/  return new Property("code", "CodeableConcept", "The specific code.", 0, 1, code);
          case -892481550: /*status*/  return new Property("status", "CodeableConcept", "Status of the code assignment, for example 'provisional', 'approved'.", 0, 1, status);
          case 247524032: /*statusDate*/  return new Property("statusDate", "dateTime", "The date at which the code status was changed as part of the terminology maintenance.", 0, 1, statusDate);
          case 3387378: /*note*/  return new Property("note", "Annotation", "Any comment can be provided in this field, if necessary.", 0, java.lang.Integer.MAX_VALUE, note);
          case -896505829: /*source*/  return new Property("source", "Reference(DocumentReference)", "Supporting literature.", 0, java.lang.Integer.MAX_VALUE, source);
          default: return super.getNamedProperty(_hash, _name, _checkValid);
          }

        }

      @Override
      public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
        switch (hash) {
        case 3059181: /*code*/ return this.code == null ? new Base[0] : new Base[] {this.code}; // CodeableConcept
        case -892481550: /*status*/ return this.status == null ? new Base[0] : new Base[] {this.status}; // CodeableConcept
        case 247524032: /*statusDate*/ return this.statusDate == null ? new Base[0] : new Base[] {this.statusDate}; // DateTimeType
        case 3387378: /*note*/ return this.note == null ? new Base[0] : this.note.toArray(new Base[this.note.size()]); // Annotation
        case -896505829: /*source*/ return this.source == null ? new Base[0] : this.source.toArray(new Base[this.source.size()]); // Reference
        default: return super.getProperty(hash, name, checkValid);
        }

      }

      @Override
      public Base setProperty(int hash, String name, Base value) throws FHIRException {
        switch (hash) {
        case 3059181: // code
          this.code = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case -892481550: // status
          this.status = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case 247524032: // statusDate
          this.statusDate = TypeConvertor.castToDateTime(value); // DateTimeType
          return value;
        case 3387378: // note
          this.getNote().add(TypeConvertor.castToAnnotation(value)); // Annotation
          return value;
        case -896505829: // source
          this.getSource().add(TypeConvertor.castToReference(value)); // Reference
          return value;
        default: return super.setProperty(hash, name, value);
        }

      }

      @Override
      public Base setProperty(String name, Base value) throws FHIRException {
        if (name.equals("code")) {
          this.code = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("status")) {
          this.status = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("statusDate")) {
          this.statusDate = TypeConvertor.castToDateTime(value); // DateTimeType
        } else if (name.equals("note")) {
          this.getNote().add(TypeConvertor.castToAnnotation(value));
        } else if (name.equals("source")) {
          this.getSource().add(TypeConvertor.castToReference(value));
        } else
          return super.setProperty(name, value);
        return value;
      }

  @Override
  public void removeChild(String name, Base value) throws FHIRException {
        if (name.equals("code")) {
          this.code = null;
        } else if (name.equals("status")) {
          this.status = null;
        } else if (name.equals("statusDate")) {
          this.statusDate = null;
        } else if (name.equals("note")) {
          this.getNote().remove(value);
        } else if (name.equals("source")) {
          this.getSource().remove(value);
        } else
          super.removeChild(name, value);
        
      }

      @Override
      public Base makeProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case 3059181:  return getCode();
        case -892481550:  return getStatus();
        case 247524032:  return getStatusDateElement();
        case 3387378:  return addNote(); 
        case -896505829:  return addSource(); 
        default: return super.makeProperty(hash, name);
        }

      }

      @Override
      public String[] getTypesForProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case 3059181: /*code*/ return new String[] {"CodeableConcept"};
        case -892481550: /*status*/ return new String[] {"CodeableConcept"};
        case 247524032: /*statusDate*/ return new String[] {"dateTime"};
        case 3387378: /*note*/ return new String[] {"Annotation"};
        case -896505829: /*source*/ return new String[] {"Reference"};
        default: return super.getTypesForProperty(hash, name);
        }

      }

      @Override
      public Base addChild(String name) throws FHIRException {
        if (name.equals("code")) {
          this.code = new CodeableConcept();
          return this.code;
        }
        else if (name.equals("status")) {
          this.status = new CodeableConcept();
          return this.status;
        }
        else if (name.equals("statusDate")) {
          throw new FHIRException("Cannot call addChild on a singleton property SubstanceDefinition.code.statusDate");
        }
        else if (name.equals("note")) {
          return addNote();
        }
        else if (name.equals("source")) {
          return addSource();
        }
        else
          return super.addChild(name);
      }

      public SubstanceDefinitionCodeComponent copy() {
        SubstanceDefinitionCodeComponent dst = new SubstanceDefinitionCodeComponent();
        copyValues(dst);
        return dst;
      }

      public void copyValues(SubstanceDefinitionCodeComponent dst) {
        super.copyValues(dst);
        dst.code = code == null ? null : code.copy();
        dst.status = status == null ? null : status.copy();
        dst.statusDate = statusDate == null ? null : statusDate.copy();
        if (note != null) {
          dst.note = new ArrayList<Annotation>();
          for (Annotation i : note)
            dst.note.add(i.copy());
        };
        if (source != null) {
          dst.source = new ArrayList<Reference>();
          for (Reference i : source)
            dst.source.add(i.copy());
        };
      }

      @Override
      public boolean equalsDeep(Base other_) {
        if (!super.equalsDeep(other_))
          return false;
        if (!(other_ instanceof SubstanceDefinitionCodeComponent))
          return false;
        SubstanceDefinitionCodeComponent o = (SubstanceDefinitionCodeComponent) other_;
        return compareDeep(code, o.code, true) && compareDeep(status, o.status, true) && compareDeep(statusDate, o.statusDate, true)
           && compareDeep(note, o.note, true) && compareDeep(source, o.source, true);
      }

      @Override
      public boolean equalsShallow(Base other_) {
        if (!super.equalsShallow(other_))
          return false;
        if (!(other_ instanceof SubstanceDefinitionCodeComponent))
          return false;
        SubstanceDefinitionCodeComponent o = (SubstanceDefinitionCodeComponent) other_;
        return compareValues(statusDate, o.statusDate, true);
      }

      public boolean isEmpty() {
        return super.isEmpty() && ca.uhn.fhir.util.ElementUtil.isEmpty(code, status, statusDate
          , note, source);
      }

  public String fhirType() {
    return "SubstanceDefinition.code";

  }

  }

    @Block()
    public static class SubstanceDefinitionNameComponent extends BackboneElement implements IBaseBackboneElement {
        /**
         * The actual name.
         */
        @Child(name = "name", type = {StringType.class}, order=1, min=1, max=1, modifier=false, summary=true)
        @Description(shortDefinition="The actual name", formalDefinition="The actual name." )
        protected StringType name;

        /**
         * Name type, for example 'systematic',  'scientific, 'brand'.
         */
        @Child(name = "type", type = {CodeableConcept.class}, order=2, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="Name type e.g. 'systematic',  'scientific, 'brand'", formalDefinition="Name type, for example 'systematic',  'scientific, 'brand'." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/substance-name-type")
        protected CodeableConcept type;

        /**
         * The status of the name, for example 'current', 'proposed'.
         */
        @Child(name = "status", type = {CodeableConcept.class}, order=3, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="The status of the name e.g. 'current', 'proposed'", formalDefinition="The status of the name, for example 'current', 'proposed'." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/publication-status")
        protected CodeableConcept status;

        /**
         * If this is the preferred name for this substance.
         */
        @Child(name = "preferred", type = {BooleanType.class}, order=4, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="If this is the preferred name for this substance", formalDefinition="If this is the preferred name for this substance." )
        protected BooleanType preferred;

        /**
         * Human language that the name is written in.
         */
        @Child(name = "language", type = {CodeableConcept.class}, order=5, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
        @Description(shortDefinition="Human language that the name is written in", formalDefinition="Human language that the name is written in." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/all-languages")
        protected List<CodeableConcept> language;

        /**
         * The use context of this name for example if there is a different name a drug active ingredient as opposed to a food colour additive.
         */
        @Child(name = "domain", type = {CodeableConcept.class}, order=6, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
        @Description(shortDefinition="The use context of this name e.g. as an active ingredient or as a food colour additive", formalDefinition="The use context of this name for example if there is a different name a drug active ingredient as opposed to a food colour additive." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/substance-name-domain")
        protected List<CodeableConcept> domain;

        /**
         * The jurisdiction where this name applies.
         */
        @Child(name = "jurisdiction", type = {CodeableConcept.class}, order=7, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
        @Description(shortDefinition="The jurisdiction where this name applies", formalDefinition="The jurisdiction where this name applies." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/jurisdiction")
        protected List<CodeableConcept> jurisdiction;

        /**
         * A synonym of this particular name, by which the substance is also known.
         */
        @Child(name = "synonym", type = {SubstanceDefinitionNameComponent.class}, order=8, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
        @Description(shortDefinition="A synonym of this particular name, by which the substance is also known", formalDefinition="A synonym of this particular name, by which the substance is also known." )
        protected List<SubstanceDefinitionNameComponent> synonym;

        /**
         * A translation for this name into another human language.
         */
        @Child(name = "translation", type = {SubstanceDefinitionNameComponent.class}, order=9, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
        @Description(shortDefinition="A translation for this name into another human language", formalDefinition="A translation for this name into another human language." )
        protected List<SubstanceDefinitionNameComponent> translation;

        /**
         * Details of the official nature of this name.
         */
        @Child(name = "official", type = {}, order=10, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
        @Description(shortDefinition="Details of the official nature of this name", formalDefinition="Details of the official nature of this name." )
        protected List<SubstanceDefinitionNameOfficialComponent> official;

        /**
         * Supporting literature.
         */
        @Child(name = "source", type = {DocumentReference.class}, order=11, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
        @Description(shortDefinition="Supporting literature", formalDefinition="Supporting literature." )
        protected List<Reference> source;

        private static final long serialVersionUID = -1184238780L;

    /**
     * Constructor
     */
      public SubstanceDefinitionNameComponent() {
        super();
      }

    /**
     * Constructor
     */
      public SubstanceDefinitionNameComponent(String name) {
        super();
        this.setName(name);
      }

        /**
         * @return {@link #name} (The actual name.). This is the underlying object with id, value and extensions. The accessor "getName" gives direct access to the value
         */
        public StringType getNameElement() { 
          if (this.name == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionNameComponent.name");
            else if (Configuration.doAutoCreate())
              this.name = new StringType(); // bb
          return this.name;
        }

        public boolean hasNameElement() { 
          return this.name != null && !this.name.isEmpty();
        }

        public boolean hasName() { 
          return this.name != null && !this.name.isEmpty();
        }

        /**
         * @param value {@link #name} (The actual name.). This is the underlying object with id, value and extensions. The accessor "getName" gives direct access to the value
         */
        public SubstanceDefinitionNameComponent setNameElement(StringType value) { 
          this.name = value;
          return this;
        }

        /**
         * @return The actual name.
         */
        public String getName() { 
          return this.name == null ? null : this.name.getValue();
        }

        /**
         * @param value The actual name.
         */
        public SubstanceDefinitionNameComponent setName(String value) { 
            if (this.name == null)
              this.name = new StringType();
            this.name.setValue(value);
          return this;
        }

        /**
         * @return {@link #type} (Name type, for example 'systematic',  'scientific, 'brand'.)
         */
        public CodeableConcept getType() { 
          if (this.type == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionNameComponent.type");
            else if (Configuration.doAutoCreate())
              this.type = new CodeableConcept(); // cc
          return this.type;
        }

        public boolean hasType() { 
          return this.type != null && !this.type.isEmpty();
        }

        /**
         * @param value {@link #type} (Name type, for example 'systematic',  'scientific, 'brand'.)
         */
        public SubstanceDefinitionNameComponent setType(CodeableConcept value) { 
          this.type = value;
          return this;
        }

        /**
         * @return {@link #status} (The status of the name, for example 'current', 'proposed'.)
         */
        public CodeableConcept getStatus() { 
          if (this.status == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionNameComponent.status");
            else if (Configuration.doAutoCreate())
              this.status = new CodeableConcept(); // cc
          return this.status;
        }

        public boolean hasStatus() { 
          return this.status != null && !this.status.isEmpty();
        }

        /**
         * @param value {@link #status} (The status of the name, for example 'current', 'proposed'.)
         */
        public SubstanceDefinitionNameComponent setStatus(CodeableConcept value) { 
          this.status = value;
          return this;
        }

        /**
         * @return {@link #preferred} (If this is the preferred name for this substance.). This is the underlying object with id, value and extensions. The accessor "getPreferred" gives direct access to the value
         */
        public BooleanType getPreferredElement() { 
          if (this.preferred == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionNameComponent.preferred");
            else if (Configuration.doAutoCreate())
              this.preferred = new BooleanType(); // bb
          return this.preferred;
        }

        public boolean hasPreferredElement() { 
          return this.preferred != null && !this.preferred.isEmpty();
        }

        public boolean hasPreferred() { 
          return this.preferred != null && !this.preferred.isEmpty();
        }

        /**
         * @param value {@link #preferred} (If this is the preferred name for this substance.). This is the underlying object with id, value and extensions. The accessor "getPreferred" gives direct access to the value
         */
        public SubstanceDefinitionNameComponent setPreferredElement(BooleanType value) { 
          this.preferred = value;
          return this;
        }

        /**
         * @return If this is the preferred name for this substance.
         */
        public boolean getPreferred() { 
          return this.preferred == null || this.preferred.isEmpty() ? false : this.preferred.getValue();
        }

        /**
         * @param value If this is the preferred name for this substance.
         */
        public SubstanceDefinitionNameComponent setPreferred(boolean value) { 
            if (this.preferred == null)
              this.preferred = new BooleanType();
            this.preferred.setValue(value);
          return this;
        }

        /**
         * @return {@link #language} (Human language that the name is written in.)
         */
        public List<CodeableConcept> getLanguage() { 
          if (this.language == null)
            this.language = new ArrayList<CodeableConcept>();
          return this.language;
        }

        /**
         * @return Returns a reference to <code>this</code> for easy method chaining
         */
        public SubstanceDefinitionNameComponent setLanguage(List<CodeableConcept> theLanguage) { 
          this.language = theLanguage;
          return this;
        }

        public boolean hasLanguage() { 
          if (this.language == null)
            return false;
          for (CodeableConcept item : this.language)
            if (!item.isEmpty())
              return true;
          return false;
        }

        public CodeableConcept addLanguage() { //3
          CodeableConcept t = new CodeableConcept();
          if (this.language == null)
            this.language = new ArrayList<CodeableConcept>();
          this.language.add(t);
          return t;
        }

        public SubstanceDefinitionNameComponent addLanguage(CodeableConcept t) { //3
          if (t == null)
            return this;
          if (this.language == null)
            this.language = new ArrayList<CodeableConcept>();
          this.language.add(t);
          return this;
        }

        /**
         * @return The first repetition of repeating field {@link #language}, creating it if it does not already exist {3}
         */
        public CodeableConcept getLanguageFirstRep() { 
          if (getLanguage().isEmpty()) {
            addLanguage();
          }
          return getLanguage().get(0);
        }

        /**
         * @return {@link #domain} (The use context of this name for example if there is a different name a drug active ingredient as opposed to a food colour additive.)
         */
        public List<CodeableConcept> getDomain() { 
          if (this.domain == null)
            this.domain = new ArrayList<CodeableConcept>();
          return this.domain;
        }

        /**
         * @return Returns a reference to <code>this</code> for easy method chaining
         */
        public SubstanceDefinitionNameComponent setDomain(List<CodeableConcept> theDomain) { 
          this.domain = theDomain;
          return this;
        }

        public boolean hasDomain() { 
          if (this.domain == null)
            return false;
          for (CodeableConcept item : this.domain)
            if (!item.isEmpty())
              return true;
          return false;
        }

        public CodeableConcept addDomain() { //3
          CodeableConcept t = new CodeableConcept();
          if (this.domain == null)
            this.domain = new ArrayList<CodeableConcept>();
          this.domain.add(t);
          return t;
        }

        public SubstanceDefinitionNameComponent addDomain(CodeableConcept t) { //3
          if (t == null)
            return this;
          if (this.domain == null)
            this.domain = new ArrayList<CodeableConcept>();
          this.domain.add(t);
          return this;
        }

        /**
         * @return The first repetition of repeating field {@link #domain}, creating it if it does not already exist {3}
         */
        public CodeableConcept getDomainFirstRep() { 
          if (getDomain().isEmpty()) {
            addDomain();
          }
          return getDomain().get(0);
        }

        /**
         * @return {@link #jurisdiction} (The jurisdiction where this name applies.)
         */
        public List<CodeableConcept> getJurisdiction() { 
          if (this.jurisdiction == null)
            this.jurisdiction = new ArrayList<CodeableConcept>();
          return this.jurisdiction;
        }

        /**
         * @return Returns a reference to <code>this</code> for easy method chaining
         */
        public SubstanceDefinitionNameComponent setJurisdiction(List<CodeableConcept> theJurisdiction) { 
          this.jurisdiction = theJurisdiction;
          return this;
        }

        public boolean hasJurisdiction() { 
          if (this.jurisdiction == null)
            return false;
          for (CodeableConcept item : this.jurisdiction)
            if (!item.isEmpty())
              return true;
          return false;
        }

        public CodeableConcept addJurisdiction() { //3
          CodeableConcept t = new CodeableConcept();
          if (this.jurisdiction == null)
            this.jurisdiction = new ArrayList<CodeableConcept>();
          this.jurisdiction.add(t);
          return t;
        }

        public SubstanceDefinitionNameComponent addJurisdiction(CodeableConcept t) { //3
          if (t == null)
            return this;
          if (this.jurisdiction == null)
            this.jurisdiction = new ArrayList<CodeableConcept>();
          this.jurisdiction.add(t);
          return this;
        }

        /**
         * @return The first repetition of repeating field {@link #jurisdiction}, creating it if it does not already exist {3}
         */
        public CodeableConcept getJurisdictionFirstRep() { 
          if (getJurisdiction().isEmpty()) {
            addJurisdiction();
          }
          return getJurisdiction().get(0);
        }

        /**
         * @return {@link #synonym} (A synonym of this particular name, by which the substance is also known.)
         */
        public List<SubstanceDefinitionNameComponent> getSynonym() { 
          if (this.synonym == null)
            this.synonym = new ArrayList<SubstanceDefinitionNameComponent>();
          return this.synonym;
        }

        /**
         * @return Returns a reference to <code>this</code> for easy method chaining
         */
        public SubstanceDefinitionNameComponent setSynonym(List<SubstanceDefinitionNameComponent> theSynonym) { 
          this.synonym = theSynonym;
          return this;
        }

        public boolean hasSynonym() { 
          if (this.synonym == null)
            return false;
          for (SubstanceDefinitionNameComponent item : this.synonym)
            if (!item.isEmpty())
              return true;
          return false;
        }

        public SubstanceDefinitionNameComponent addSynonym() { //3
          SubstanceDefinitionNameComponent t = new SubstanceDefinitionNameComponent();
          if (this.synonym == null)
            this.synonym = new ArrayList<SubstanceDefinitionNameComponent>();
          this.synonym.add(t);
          return t;
        }

        public SubstanceDefinitionNameComponent addSynonym(SubstanceDefinitionNameComponent t) { //3
          if (t == null)
            return this;
          if (this.synonym == null)
            this.synonym = new ArrayList<SubstanceDefinitionNameComponent>();
          this.synonym.add(t);
          return this;
        }

        /**
         * @return The first repetition of repeating field {@link #synonym}, creating it if it does not already exist {3}
         */
        public SubstanceDefinitionNameComponent getSynonymFirstRep() { 
          if (getSynonym().isEmpty()) {
            addSynonym();
          }
          return getSynonym().get(0);
        }

        /**
         * @return {@link #translation} (A translation for this name into another human language.)
         */
        public List<SubstanceDefinitionNameComponent> getTranslation() { 
          if (this.translation == null)
            this.translation = new ArrayList<SubstanceDefinitionNameComponent>();
          return this.translation;
        }

        /**
         * @return Returns a reference to <code>this</code> for easy method chaining
         */
        public SubstanceDefinitionNameComponent setTranslation(List<SubstanceDefinitionNameComponent> theTranslation) { 
          this.translation = theTranslation;
          return this;
        }

        public boolean hasTranslation() { 
          if (this.translation == null)
            return false;
          for (SubstanceDefinitionNameComponent item : this.translation)
            if (!item.isEmpty())
              return true;
          return false;
        }

        public SubstanceDefinitionNameComponent addTranslation() { //3
          SubstanceDefinitionNameComponent t = new SubstanceDefinitionNameComponent();
          if (this.translation == null)
            this.translation = new ArrayList<SubstanceDefinitionNameComponent>();
          this.translation.add(t);
          return t;
        }

        public SubstanceDefinitionNameComponent addTranslation(SubstanceDefinitionNameComponent t) { //3
          if (t == null)
            return this;
          if (this.translation == null)
            this.translation = new ArrayList<SubstanceDefinitionNameComponent>();
          this.translation.add(t);
          return this;
        }

        /**
         * @return The first repetition of repeating field {@link #translation}, creating it if it does not already exist {3}
         */
        public SubstanceDefinitionNameComponent getTranslationFirstRep() { 
          if (getTranslation().isEmpty()) {
            addTranslation();
          }
          return getTranslation().get(0);
        }

        /**
         * @return {@link #official} (Details of the official nature of this name.)
         */
        public List<SubstanceDefinitionNameOfficialComponent> getOfficial() { 
          if (this.official == null)
            this.official = new ArrayList<SubstanceDefinitionNameOfficialComponent>();
          return this.official;
        }

        /**
         * @return Returns a reference to <code>this</code> for easy method chaining
         */
        public SubstanceDefinitionNameComponent setOfficial(List<SubstanceDefinitionNameOfficialComponent> theOfficial) { 
          this.official = theOfficial;
          return this;
        }

        public boolean hasOfficial() { 
          if (this.official == null)
            return false;
          for (SubstanceDefinitionNameOfficialComponent item : this.official)
            if (!item.isEmpty())
              return true;
          return false;
        }

        public SubstanceDefinitionNameOfficialComponent addOfficial() { //3
          SubstanceDefinitionNameOfficialComponent t = new SubstanceDefinitionNameOfficialComponent();
          if (this.official == null)
            this.official = new ArrayList<SubstanceDefinitionNameOfficialComponent>();
          this.official.add(t);
          return t;
        }

        public SubstanceDefinitionNameComponent addOfficial(SubstanceDefinitionNameOfficialComponent t) { //3
          if (t == null)
            return this;
          if (this.official == null)
            this.official = new ArrayList<SubstanceDefinitionNameOfficialComponent>();
          this.official.add(t);
          return this;
        }

        /**
         * @return The first repetition of repeating field {@link #official}, creating it if it does not already exist {3}
         */
        public SubstanceDefinitionNameOfficialComponent getOfficialFirstRep() { 
          if (getOfficial().isEmpty()) {
            addOfficial();
          }
          return getOfficial().get(0);
        }

        /**
         * @return {@link #source} (Supporting literature.)
         */
        public List<Reference> getSource() { 
          if (this.source == null)
            this.source = new ArrayList<Reference>();
          return this.source;
        }

        /**
         * @return Returns a reference to <code>this</code> for easy method chaining
         */
        public SubstanceDefinitionNameComponent setSource(List<Reference> theSource) { 
          this.source = theSource;
          return this;
        }

        public boolean hasSource() { 
          if (this.source == null)
            return false;
          for (Reference item : this.source)
            if (!item.isEmpty())
              return true;
          return false;
        }

        public Reference addSource() { //3
          Reference t = new Reference();
          if (this.source == null)
            this.source = new ArrayList<Reference>();
          this.source.add(t);
          return t;
        }

        public SubstanceDefinitionNameComponent addSource(Reference t) { //3
          if (t == null)
            return this;
          if (this.source == null)
            this.source = new ArrayList<Reference>();
          this.source.add(t);
          return this;
        }

        /**
         * @return The first repetition of repeating field {@link #source}, creating it if it does not already exist {3}
         */
        public Reference getSourceFirstRep() { 
          if (getSource().isEmpty()) {
            addSource();
          }
          return getSource().get(0);
        }

        protected void listChildren(List<Property> children) {
          super.listChildren(children);
          children.add(new Property("name", "string", "The actual name.", 0, 1, name));
          children.add(new Property("type", "CodeableConcept", "Name type, for example 'systematic',  'scientific, 'brand'.", 0, 1, type));
          children.add(new Property("status", "CodeableConcept", "The status of the name, for example 'current', 'proposed'.", 0, 1, status));
          children.add(new Property("preferred", "boolean", "If this is the preferred name for this substance.", 0, 1, preferred));
          children.add(new Property("language", "CodeableConcept", "Human language that the name is written in.", 0, java.lang.Integer.MAX_VALUE, language));
          children.add(new Property("domain", "CodeableConcept", "The use context of this name for example if there is a different name a drug active ingredient as opposed to a food colour additive.", 0, java.lang.Integer.MAX_VALUE, domain));
          children.add(new Property("jurisdiction", "CodeableConcept", "The jurisdiction where this name applies.", 0, java.lang.Integer.MAX_VALUE, jurisdiction));
          children.add(new Property("synonym", "@SubstanceDefinition.name", "A synonym of this particular name, by which the substance is also known.", 0, java.lang.Integer.MAX_VALUE, synonym));
          children.add(new Property("translation", "@SubstanceDefinition.name", "A translation for this name into another human language.", 0, java.lang.Integer.MAX_VALUE, translation));
          children.add(new Property("official", "", "Details of the official nature of this name.", 0, java.lang.Integer.MAX_VALUE, official));
          children.add(new Property("source", "Reference(DocumentReference)", "Supporting literature.", 0, java.lang.Integer.MAX_VALUE, source));
        }

        @Override
        public Property getNamedProperty(int _hash, String _name, boolean _checkValid) throws FHIRException {
          switch (_hash) {
          case 3373707: /*name*/  return new Property("name", "string", "The actual name.", 0, 1, name);
          case 3575610: /*type*/  return new Property("type", "CodeableConcept", "Name type, for example 'systematic',  'scientific, 'brand'.", 0, 1, type);
          case -892481550: /*status*/  return new Property("status", "CodeableConcept", "The status of the name, for example 'current', 'proposed'.", 0, 1, status);
          case -1294005119: /*preferred*/  return new Property("preferred", "boolean", "If this is the preferred name for this substance.", 0, 1, preferred);
          case -1613589672: /*language*/  return new Property("language", "CodeableConcept", "Human language that the name is written in.", 0, java.lang.Integer.MAX_VALUE, language);
          case -1326197564: /*domain*/  return new Property("domain", "CodeableConcept", "The use context of this name for example if there is a different name a drug active ingredient as opposed to a food colour additive.", 0, java.lang.Integer.MAX_VALUE, domain);
          case -507075711: /*jurisdiction*/  return new Property("jurisdiction", "CodeableConcept", "The jurisdiction where this name applies.", 0, java.lang.Integer.MAX_VALUE, jurisdiction);
          case -1742128133: /*synonym*/  return new Property("synonym", "@SubstanceDefinition.name", "A synonym of this particular name, by which the substance is also known.", 0, java.lang.Integer.MAX_VALUE, synonym);
          case -1840647503: /*translation*/  return new Property("translation", "@SubstanceDefinition.name", "A translation for this name into another human language.", 0, java.lang.Integer.MAX_VALUE, translation);
          case -765289749: /*official*/  return new Property("official", "", "Details of the official nature of this name.", 0, java.lang.Integer.MAX_VALUE, official);
          case -896505829: /*source*/  return new Property("source", "Reference(DocumentReference)", "Supporting literature.", 0, java.lang.Integer.MAX_VALUE, source);
          default: return super.getNamedProperty(_hash, _name, _checkValid);
          }

        }

      @Override
      public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
        switch (hash) {
        case 3373707: /*name*/ return this.name == null ? new Base[0] : new Base[] {this.name}; // StringType
        case 3575610: /*type*/ return this.type == null ? new Base[0] : new Base[] {this.type}; // CodeableConcept
        case -892481550: /*status*/ return this.status == null ? new Base[0] : new Base[] {this.status}; // CodeableConcept
        case -1294005119: /*preferred*/ return this.preferred == null ? new Base[0] : new Base[] {this.preferred}; // BooleanType
        case -1613589672: /*language*/ return this.language == null ? new Base[0] : this.language.toArray(new Base[this.language.size()]); // CodeableConcept
        case -1326197564: /*domain*/ return this.domain == null ? new Base[0] : this.domain.toArray(new Base[this.domain.size()]); // CodeableConcept
        case -507075711: /*jurisdiction*/ return this.jurisdiction == null ? new Base[0] : this.jurisdiction.toArray(new Base[this.jurisdiction.size()]); // CodeableConcept
        case -1742128133: /*synonym*/ return this.synonym == null ? new Base[0] : this.synonym.toArray(new Base[this.synonym.size()]); // SubstanceDefinitionNameComponent
        case -1840647503: /*translation*/ return this.translation == null ? new Base[0] : this.translation.toArray(new Base[this.translation.size()]); // SubstanceDefinitionNameComponent
        case -765289749: /*official*/ return this.official == null ? new Base[0] : this.official.toArray(new Base[this.official.size()]); // SubstanceDefinitionNameOfficialComponent
        case -896505829: /*source*/ return this.source == null ? new Base[0] : this.source.toArray(new Base[this.source.size()]); // Reference
        default: return super.getProperty(hash, name, checkValid);
        }

      }

      @Override
      public Base setProperty(int hash, String name, Base value) throws FHIRException {
        switch (hash) {
        case 3373707: // name
          this.name = TypeConvertor.castToString(value); // StringType
          return value;
        case 3575610: // type
          this.type = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case -892481550: // status
          this.status = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case -1294005119: // preferred
          this.preferred = TypeConvertor.castToBoolean(value); // BooleanType
          return value;
        case -1613589672: // language
          this.getLanguage().add(TypeConvertor.castToCodeableConcept(value)); // CodeableConcept
          return value;
        case -1326197564: // domain
          this.getDomain().add(TypeConvertor.castToCodeableConcept(value)); // CodeableConcept
          return value;
        case -507075711: // jurisdiction
          this.getJurisdiction().add(TypeConvertor.castToCodeableConcept(value)); // CodeableConcept
          return value;
        case -1742128133: // synonym
          this.getSynonym().add((SubstanceDefinitionNameComponent) value); // SubstanceDefinitionNameComponent
          return value;
        case -1840647503: // translation
          this.getTranslation().add((SubstanceDefinitionNameComponent) value); // SubstanceDefinitionNameComponent
          return value;
        case -765289749: // official
          this.getOfficial().add((SubstanceDefinitionNameOfficialComponent) value); // SubstanceDefinitionNameOfficialComponent
          return value;
        case -896505829: // source
          this.getSource().add(TypeConvertor.castToReference(value)); // Reference
          return value;
        default: return super.setProperty(hash, name, value);
        }

      }

      @Override
      public Base setProperty(String name, Base value) throws FHIRException {
        if (name.equals("name")) {
          this.name = TypeConvertor.castToString(value); // StringType
        } else if (name.equals("type")) {
          this.type = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("status")) {
          this.status = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("preferred")) {
          this.preferred = TypeConvertor.castToBoolean(value); // BooleanType
        } else if (name.equals("language")) {
          this.getLanguage().add(TypeConvertor.castToCodeableConcept(value));
        } else if (name.equals("domain")) {
          this.getDomain().add(TypeConvertor.castToCodeableConcept(value));
        } else if (name.equals("jurisdiction")) {
          this.getJurisdiction().add(TypeConvertor.castToCodeableConcept(value));
        } else if (name.equals("synonym")) {
          this.getSynonym().add((SubstanceDefinitionNameComponent) value);
        } else if (name.equals("translation")) {
          this.getTranslation().add((SubstanceDefinitionNameComponent) value);
        } else if (name.equals("official")) {
          this.getOfficial().add((SubstanceDefinitionNameOfficialComponent) value);
        } else if (name.equals("source")) {
          this.getSource().add(TypeConvertor.castToReference(value));
        } else
          return super.setProperty(name, value);
        return value;
      }

  @Override
  public void removeChild(String name, Base value) throws FHIRException {
        if (name.equals("name")) {
          this.name = null;
        } else if (name.equals("type")) {
          this.type = null;
        } else if (name.equals("status")) {
          this.status = null;
        } else if (name.equals("preferred")) {
          this.preferred = null;
        } else if (name.equals("language")) {
          this.getLanguage().remove(value);
        } else if (name.equals("domain")) {
          this.getDomain().remove(value);
        } else if (name.equals("jurisdiction")) {
          this.getJurisdiction().remove(value);
        } else if (name.equals("synonym")) {
          this.getSynonym().remove((SubstanceDefinitionNameComponent) value);
        } else if (name.equals("translation")) {
          this.getTranslation().remove((SubstanceDefinitionNameComponent) value);
        } else if (name.equals("official")) {
          this.getOfficial().remove((SubstanceDefinitionNameOfficialComponent) value);
        } else if (name.equals("source")) {
          this.getSource().remove(value);
        } else
          super.removeChild(name, value);
        
      }

      @Override
      public Base makeProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case 3373707:  return getNameElement();
        case 3575610:  return getType();
        case -892481550:  return getStatus();
        case -1294005119:  return getPreferredElement();
        case -1613589672:  return addLanguage(); 
        case -1326197564:  return addDomain(); 
        case -507075711:  return addJurisdiction(); 
        case -1742128133:  return addSynonym(); 
        case -1840647503:  return addTranslation(); 
        case -765289749:  return addOfficial(); 
        case -896505829:  return addSource(); 
        default: return super.makeProperty(hash, name);
        }

      }

      @Override
      public String[] getTypesForProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case 3373707: /*name*/ return new String[] {"string"};
        case 3575610: /*type*/ return new String[] {"CodeableConcept"};
        case -892481550: /*status*/ return new String[] {"CodeableConcept"};
        case -1294005119: /*preferred*/ return new String[] {"boolean"};
        case -1613589672: /*language*/ return new String[] {"CodeableConcept"};
        case -1326197564: /*domain*/ return new String[] {"CodeableConcept"};
        case -507075711: /*jurisdiction*/ return new String[] {"CodeableConcept"};
        case -1742128133: /*synonym*/ return new String[] {"@SubstanceDefinition.name"};
        case -1840647503: /*translation*/ return new String[] {"@SubstanceDefinition.name"};
        case -765289749: /*official*/ return new String[] {};
        case -896505829: /*source*/ return new String[] {"Reference"};
        default: return super.getTypesForProperty(hash, name);
        }

      }

      @Override
      public Base addChild(String name) throws FHIRException {
        if (name.equals("name")) {
          throw new FHIRException("Cannot call addChild on a singleton property SubstanceDefinition.name.name");
        }
        else if (name.equals("type")) {
          this.type = new CodeableConcept();
          return this.type;
        }
        else if (name.equals("status")) {
          this.status = new CodeableConcept();
          return this.status;
        }
        else if (name.equals("preferred")) {
          throw new FHIRException("Cannot call addChild on a singleton property SubstanceDefinition.name.preferred");
        }
        else if (name.equals("language")) {
          return addLanguage();
        }
        else if (name.equals("domain")) {
          return addDomain();
        }
        else if (name.equals("jurisdiction")) {
          return addJurisdiction();
        }
        else if (name.equals("synonym")) {
          return addSynonym();
        }
        else if (name.equals("translation")) {
          return addTranslation();
        }
        else if (name.equals("official")) {
          return addOfficial();
        }
        else if (name.equals("source")) {
          return addSource();
        }
        else
          return super.addChild(name);
      }

      public SubstanceDefinitionNameComponent copy() {
        SubstanceDefinitionNameComponent dst = new SubstanceDefinitionNameComponent();
        copyValues(dst);
        return dst;
      }

      public void copyValues(SubstanceDefinitionNameComponent dst) {
        super.copyValues(dst);
        dst.name = name == null ? null : name.copy();
        dst.type = type == null ? null : type.copy();
        dst.status = status == null ? null : status.copy();
        dst.preferred = preferred == null ? null : preferred.copy();
        if (language != null) {
          dst.language = new ArrayList<CodeableConcept>();
          for (CodeableConcept i : language)
            dst.language.add(i.copy());
        };
        if (domain != null) {
          dst.domain = new ArrayList<CodeableConcept>();
          for (CodeableConcept i : domain)
            dst.domain.add(i.copy());
        };
        if (jurisdiction != null) {
          dst.jurisdiction = new ArrayList<CodeableConcept>();
          for (CodeableConcept i : jurisdiction)
            dst.jurisdiction.add(i.copy());
        };
        if (synonym != null) {
          dst.synonym = new ArrayList<SubstanceDefinitionNameComponent>();
          for (SubstanceDefinitionNameComponent i : synonym)
            dst.synonym.add(i.copy());
        };
        if (translation != null) {
          dst.translation = new ArrayList<SubstanceDefinitionNameComponent>();
          for (SubstanceDefinitionNameComponent i : translation)
            dst.translation.add(i.copy());
        };
        if (official != null) {
          dst.official = new ArrayList<SubstanceDefinitionNameOfficialComponent>();
          for (SubstanceDefinitionNameOfficialComponent i : official)
            dst.official.add(i.copy());
        };
        if (source != null) {
          dst.source = new ArrayList<Reference>();
          for (Reference i : source)
            dst.source.add(i.copy());
        };
      }

      @Override
      public boolean equalsDeep(Base other_) {
        if (!super.equalsDeep(other_))
          return false;
        if (!(other_ instanceof SubstanceDefinitionNameComponent))
          return false;
        SubstanceDefinitionNameComponent o = (SubstanceDefinitionNameComponent) other_;
        return compareDeep(name, o.name, true) && compareDeep(type, o.type, true) && compareDeep(status, o.status, true)
           && compareDeep(preferred, o.preferred, true) && compareDeep(language, o.language, true) && compareDeep(domain, o.domain, true)
           && compareDeep(jurisdiction, o.jurisdiction, true) && compareDeep(synonym, o.synonym, true) && compareDeep(translation, o.translation, true)
           && compareDeep(official, o.official, true) && compareDeep(source, o.source, true);
      }

      @Override
      public boolean equalsShallow(Base other_) {
        if (!super.equalsShallow(other_))
          return false;
        if (!(other_ instanceof SubstanceDefinitionNameComponent))
          return false;
        SubstanceDefinitionNameComponent o = (SubstanceDefinitionNameComponent) other_;
        return compareValues(name, o.name, true) && compareValues(preferred, o.preferred, true);
      }

      public boolean isEmpty() {
        return super.isEmpty() && ca.uhn.fhir.util.ElementUtil.isEmpty(name, type, status, preferred
          , language, domain, jurisdiction, synonym, translation, official, source);
      }

  public String fhirType() {
    return "SubstanceDefinition.name";

  }

  }

    @Block()
    public static class SubstanceDefinitionNameOfficialComponent extends BackboneElement implements IBaseBackboneElement {
        /**
         * Which authority uses this official name.
         */
        @Child(name = "authority", type = {CodeableConcept.class}, order=1, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="Which authority uses this official name", formalDefinition="Which authority uses this official name." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/substance-name-authority")
        protected CodeableConcept authority;

        /**
         * The status of the official name, for example 'draft', 'active', 'retired'.
         */
        @Child(name = "status", type = {CodeableConcept.class}, order=2, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="The status of the official name, for example 'draft', 'active'", formalDefinition="The status of the official name, for example 'draft', 'active', 'retired'." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/publication-status")
        protected CodeableConcept status;

        /**
         * Date of the official name change.
         */
        @Child(name = "date", type = {DateTimeType.class}, order=3, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="Date of official name change", formalDefinition="Date of the official name change." )
        protected DateTimeType date;

        private static final long serialVersionUID = -2040011008L;

    /**
     * Constructor
     */
      public SubstanceDefinitionNameOfficialComponent() {
        super();
      }

        /**
         * @return {@link #authority} (Which authority uses this official name.)
         */
        public CodeableConcept getAuthority() { 
          if (this.authority == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionNameOfficialComponent.authority");
            else if (Configuration.doAutoCreate())
              this.authority = new CodeableConcept(); // cc
          return this.authority;
        }

        public boolean hasAuthority() { 
          return this.authority != null && !this.authority.isEmpty();
        }

        /**
         * @param value {@link #authority} (Which authority uses this official name.)
         */
        public SubstanceDefinitionNameOfficialComponent setAuthority(CodeableConcept value) { 
          this.authority = value;
          return this;
        }

        /**
         * @return {@link #status} (The status of the official name, for example 'draft', 'active', 'retired'.)
         */
        public CodeableConcept getStatus() { 
          if (this.status == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionNameOfficialComponent.status");
            else if (Configuration.doAutoCreate())
              this.status = new CodeableConcept(); // cc
          return this.status;
        }

        public boolean hasStatus() { 
          return this.status != null && !this.status.isEmpty();
        }

        /**
         * @param value {@link #status} (The status of the official name, for example 'draft', 'active', 'retired'.)
         */
        public SubstanceDefinitionNameOfficialComponent setStatus(CodeableConcept value) { 
          this.status = value;
          return this;
        }

        /**
         * @return {@link #date} (Date of the official name change.). This is the underlying object with id, value and extensions. The accessor "getDate" gives direct access to the value
         */
        public DateTimeType getDateElement() { 
          if (this.date == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionNameOfficialComponent.date");
            else if (Configuration.doAutoCreate())
              this.date = new DateTimeType(); // bb
          return this.date;
        }

        public boolean hasDateElement() { 
          return this.date != null && !this.date.isEmpty();
        }

        public boolean hasDate() { 
          return this.date != null && !this.date.isEmpty();
        }

        /**
         * @param value {@link #date} (Date of the official name change.). This is the underlying object with id, value and extensions. The accessor "getDate" gives direct access to the value
         */
        public SubstanceDefinitionNameOfficialComponent setDateElement(DateTimeType value) { 
          this.date = value;
          return this;
        }

        /**
         * @return Date of the official name change.
         */
        public Date getDate() { 
          return this.date == null ? null : this.date.getValue();
        }

        /**
         * @param value Date of the official name change.
         */
        public SubstanceDefinitionNameOfficialComponent setDate(Date value) { 
          if (value == null)
            this.date = null;
          else {
            if (this.date == null)
              this.date = new DateTimeType();
            this.date.setValue(value);
          }
          return this;
        }

        protected void listChildren(List<Property> children) {
          super.listChildren(children);
          children.add(new Property("authority", "CodeableConcept", "Which authority uses this official name.", 0, 1, authority));
          children.add(new Property("status", "CodeableConcept", "The status of the official name, for example 'draft', 'active', 'retired'.", 0, 1, status));
          children.add(new Property("date", "dateTime", "Date of the official name change.", 0, 1, date));
        }

        @Override
        public Property getNamedProperty(int _hash, String _name, boolean _checkValid) throws FHIRException {
          switch (_hash) {
          case 1475610435: /*authority*/  return new Property("authority", "CodeableConcept", "Which authority uses this official name.", 0, 1, authority);
          case -892481550: /*status*/  return new Property("status", "CodeableConcept", "The status of the official name, for example 'draft', 'active', 'retired'.", 0, 1, status);
          case 3076014: /*date*/  return new Property("date", "dateTime", "Date of the official name change.", 0, 1, date);
          default: return super.getNamedProperty(_hash, _name, _checkValid);
          }

        }

      @Override
      public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
        switch (hash) {
        case 1475610435: /*authority*/ return this.authority == null ? new Base[0] : new Base[] {this.authority}; // CodeableConcept
        case -892481550: /*status*/ return this.status == null ? new Base[0] : new Base[] {this.status}; // CodeableConcept
        case 3076014: /*date*/ return this.date == null ? new Base[0] : new Base[] {this.date}; // DateTimeType
        default: return super.getProperty(hash, name, checkValid);
        }

      }

      @Override
      public Base setProperty(int hash, String name, Base value) throws FHIRException {
        switch (hash) {
        case 1475610435: // authority
          this.authority = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case -892481550: // status
          this.status = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case 3076014: // date
          this.date = TypeConvertor.castToDateTime(value); // DateTimeType
          return value;
        default: return super.setProperty(hash, name, value);
        }

      }

      @Override
      public Base setProperty(String name, Base value) throws FHIRException {
        if (name.equals("authority")) {
          this.authority = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("status")) {
          this.status = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("date")) {
          this.date = TypeConvertor.castToDateTime(value); // DateTimeType
        } else
          return super.setProperty(name, value);
        return value;
      }

  @Override
  public void removeChild(String name, Base value) throws FHIRException {
        if (name.equals("authority")) {
          this.authority = null;
        } else if (name.equals("status")) {
          this.status = null;
        } else if (name.equals("date")) {
          this.date = null;
        } else
          super.removeChild(name, value);
        
      }

      @Override
      public Base makeProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case 1475610435:  return getAuthority();
        case -892481550:  return getStatus();
        case 3076014:  return getDateElement();
        default: return super.makeProperty(hash, name);
        }

      }

      @Override
      public String[] getTypesForProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case 1475610435: /*authority*/ return new String[] {"CodeableConcept"};
        case -892481550: /*status*/ return new String[] {"CodeableConcept"};
        case 3076014: /*date*/ return new String[] {"dateTime"};
        default: return super.getTypesForProperty(hash, name);
        }

      }

      @Override
      public Base addChild(String name) throws FHIRException {
        if (name.equals("authority")) {
          this.authority = new CodeableConcept();
          return this.authority;
        }
        else if (name.equals("status")) {
          this.status = new CodeableConcept();
          return this.status;
        }
        else if (name.equals("date")) {
          throw new FHIRException("Cannot call addChild on a singleton property SubstanceDefinition.name.official.date");
        }
        else
          return super.addChild(name);
      }

      public SubstanceDefinitionNameOfficialComponent copy() {
        SubstanceDefinitionNameOfficialComponent dst = new SubstanceDefinitionNameOfficialComponent();
        copyValues(dst);
        return dst;
      }

      public void copyValues(SubstanceDefinitionNameOfficialComponent dst) {
        super.copyValues(dst);
        dst.authority = authority == null ? null : authority.copy();
        dst.status = status == null ? null : status.copy();
        dst.date = date == null ? null : date.copy();
      }

      @Override
      public boolean equalsDeep(Base other_) {
        if (!super.equalsDeep(other_))
          return false;
        if (!(other_ instanceof SubstanceDefinitionNameOfficialComponent))
          return false;
        SubstanceDefinitionNameOfficialComponent o = (SubstanceDefinitionNameOfficialComponent) other_;
        return compareDeep(authority, o.authority, true) && compareDeep(status, o.status, true) && compareDeep(date, o.date, true)
          ;
      }

      @Override
      public boolean equalsShallow(Base other_) {
        if (!super.equalsShallow(other_))
          return false;
        if (!(other_ instanceof SubstanceDefinitionNameOfficialComponent))
          return false;
        SubstanceDefinitionNameOfficialComponent o = (SubstanceDefinitionNameOfficialComponent) other_;
        return compareValues(date, o.date, true);
      }

      public boolean isEmpty() {
        return super.isEmpty() && ca.uhn.fhir.util.ElementUtil.isEmpty(authority, status, date
          );
      }

  public String fhirType() {
    return "SubstanceDefinition.name.official";

  }

  }

    @Block()
    public static class SubstanceDefinitionRelationshipComponent extends BackboneElement implements IBaseBackboneElement {
        /**
         * A pointer to another substance, as a resource or just a representational code.
         */
        @Child(name = "substanceDefinition", type = {SubstanceDefinition.class, CodeableConcept.class}, order=1, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="A pointer to another substance, as a resource or a representational code", formalDefinition="A pointer to another substance, as a resource or just a representational code." )
        protected DataType substanceDefinition;

        /**
         * For example "salt to parent", "active moiety", "starting material", "polymorph", "impurity of".
         */
        @Child(name = "type", type = {CodeableConcept.class}, order=2, min=1, max=1, modifier=false, summary=true)
        @Description(shortDefinition="For example \"salt to parent\", \"active moiety\"", formalDefinition="For example \"salt to parent\", \"active moiety\", \"starting material\", \"polymorph\", \"impurity of\"." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/substance-relationship-type")
        protected CodeableConcept type;

        /**
         * For example where an enzyme strongly bonds with a particular substance, this is a defining relationship for that enzyme, out of several possible substance relationships.
         */
        @Child(name = "isDefining", type = {BooleanType.class}, order=3, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="For example where an enzyme strongly bonds with a particular substance, this is a defining relationship for that enzyme, out of several possible relationships", formalDefinition="For example where an enzyme strongly bonds with a particular substance, this is a defining relationship for that enzyme, out of several possible substance relationships." )
        protected BooleanType isDefining;

        /**
         * A numeric factor for the relationship, for instance to express that the salt of a substance has some percentage of the active substance in relation to some other.
         */
        @Child(name = "amount", type = {Quantity.class, Ratio.class, StringType.class}, order=4, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="A numeric factor for the relationship, e.g. that a substance salt has some percentage of active substance in relation to some other", formalDefinition="A numeric factor for the relationship, for instance to express that the salt of a substance has some percentage of the active substance in relation to some other." )
        protected DataType amount;

        /**
         * For use when the numeric has an uncertain range.
         */
        @Child(name = "ratioHighLimitAmount", type = {Ratio.class}, order=5, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="For use when the numeric has an uncertain range", formalDefinition="For use when the numeric has an uncertain range." )
        protected Ratio ratioHighLimitAmount;

        /**
         * An operator for the amount, for example "average", "approximately", "less than".
         */
        @Child(name = "comparator", type = {CodeableConcept.class}, order=6, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="An operator for the amount, for example \"average\", \"approximately\", \"less than\"", formalDefinition="An operator for the amount, for example \"average\", \"approximately\", \"less than\"." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/substance-amount-type")
        protected CodeableConcept comparator;

        /**
         * Supporting literature.
         */
        @Child(name = "source", type = {DocumentReference.class}, order=7, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
        @Description(shortDefinition="Supporting literature", formalDefinition="Supporting literature." )
        protected List<Reference> source;

        private static final long serialVersionUID = 192222632L;

    /**
     * Constructor
     */
      public SubstanceDefinitionRelationshipComponent() {
        super();
      }

    /**
     * Constructor
     */
      public SubstanceDefinitionRelationshipComponent(CodeableConcept type) {
        super();
        this.setType(type);
      }

        /**
         * @return {@link #substanceDefinition} (A pointer to another substance, as a resource or just a representational code.)
         */
        public DataType getSubstanceDefinition() { 
          return this.substanceDefinition;
        }

        /**
         * @return {@link #substanceDefinition} (A pointer to another substance, as a resource or just a representational code.)
         */
        public Reference getSubstanceDefinitionReference() throws FHIRException { 
          if (this.substanceDefinition == null)
            this.substanceDefinition = new Reference();
          if (!(this.substanceDefinition instanceof Reference))
            throw new FHIRException("Type mismatch: the type Reference was expected, but "+this.substanceDefinition.getClass().getName()+" was encountered");
          return (Reference) this.substanceDefinition;
        }

        public boolean hasSubstanceDefinitionReference() { 
          return this != null && this.substanceDefinition instanceof Reference;
        }

        /**
         * @return {@link #substanceDefinition} (A pointer to another substance, as a resource or just a representational code.)
         */
        public CodeableConcept getSubstanceDefinitionCodeableConcept() throws FHIRException { 
          if (this.substanceDefinition == null)
            this.substanceDefinition = new CodeableConcept();
          if (!(this.substanceDefinition instanceof CodeableConcept))
            throw new FHIRException("Type mismatch: the type CodeableConcept was expected, but "+this.substanceDefinition.getClass().getName()+" was encountered");
          return (CodeableConcept) this.substanceDefinition;
        }

        public boolean hasSubstanceDefinitionCodeableConcept() { 
          return this != null && this.substanceDefinition instanceof CodeableConcept;
        }

        public boolean hasSubstanceDefinition() { 
          return this.substanceDefinition != null && !this.substanceDefinition.isEmpty();
        }

        /**
         * @param value {@link #substanceDefinition} (A pointer to another substance, as a resource or just a representational code.)
         */
        public SubstanceDefinitionRelationshipComponent setSubstanceDefinition(DataType value) { 
          if (value != null && !(value instanceof Reference || value instanceof CodeableConcept))
            throw new FHIRException("Not the right type for SubstanceDefinition.relationship.substanceDefinition[x]: "+value.fhirType());
          this.substanceDefinition = value;
          return this;
        }

        /**
         * @return {@link #type} (For example "salt to parent", "active moiety", "starting material", "polymorph", "impurity of".)
         */
        public CodeableConcept getType() { 
          if (this.type == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionRelationshipComponent.type");
            else if (Configuration.doAutoCreate())
              this.type = new CodeableConcept(); // cc
          return this.type;
        }

        public boolean hasType() { 
          return this.type != null && !this.type.isEmpty();
        }

        /**
         * @param value {@link #type} (For example "salt to parent", "active moiety", "starting material", "polymorph", "impurity of".)
         */
        public SubstanceDefinitionRelationshipComponent setType(CodeableConcept value) { 
          this.type = value;
          return this;
        }

        /**
         * @return {@link #isDefining} (For example where an enzyme strongly bonds with a particular substance, this is a defining relationship for that enzyme, out of several possible substance relationships.). This is the underlying object with id, value and extensions. The accessor "getIsDefining" gives direct access to the value
         */
        public BooleanType getIsDefiningElement() { 
          if (this.isDefining == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionRelationshipComponent.isDefining");
            else if (Configuration.doAutoCreate())
              this.isDefining = new BooleanType(); // bb
          return this.isDefining;
        }

        public boolean hasIsDefiningElement() { 
          return this.isDefining != null && !this.isDefining.isEmpty();
        }

        public boolean hasIsDefining() { 
          return this.isDefining != null && !this.isDefining.isEmpty();
        }

        /**
         * @param value {@link #isDefining} (For example where an enzyme strongly bonds with a particular substance, this is a defining relationship for that enzyme, out of several possible substance relationships.). This is the underlying object with id, value and extensions. The accessor "getIsDefining" gives direct access to the value
         */
        public SubstanceDefinitionRelationshipComponent setIsDefiningElement(BooleanType value) { 
          this.isDefining = value;
          return this;
        }

        /**
         * @return For example where an enzyme strongly bonds with a particular substance, this is a defining relationship for that enzyme, out of several possible substance relationships.
         */
        public boolean getIsDefining() { 
          return this.isDefining == null || this.isDefining.isEmpty() ? false : this.isDefining.getValue();
        }

        /**
         * @param value For example where an enzyme strongly bonds with a particular substance, this is a defining relationship for that enzyme, out of several possible substance relationships.
         */
        public SubstanceDefinitionRelationshipComponent setIsDefining(boolean value) { 
            if (this.isDefining == null)
              this.isDefining = new BooleanType();
            this.isDefining.setValue(value);
          return this;
        }

        /**
         * @return {@link #amount} (A numeric factor for the relationship, for instance to express that the salt of a substance has some percentage of the active substance in relation to some other.)
         */
        public DataType getAmount() { 
          return this.amount;
        }

        /**
         * @return {@link #amount} (A numeric factor for the relationship, for instance to express that the salt of a substance has some percentage of the active substance in relation to some other.)
         */
        public Quantity getAmountQuantity() throws FHIRException { 
          if (this.amount == null)
            this.amount = new Quantity();
          if (!(this.amount instanceof Quantity))
            throw new FHIRException("Type mismatch: the type Quantity was expected, but "+this.amount.getClass().getName()+" was encountered");
          return (Quantity) this.amount;
        }

        public boolean hasAmountQuantity() { 
          return this != null && this.amount instanceof Quantity;
        }

        /**
         * @return {@link #amount} (A numeric factor for the relationship, for instance to express that the salt of a substance has some percentage of the active substance in relation to some other.)
         */
        public Ratio getAmountRatio() throws FHIRException { 
          if (this.amount == null)
            this.amount = new Ratio();
          if (!(this.amount instanceof Ratio))
            throw new FHIRException("Type mismatch: the type Ratio was expected, but "+this.amount.getClass().getName()+" was encountered");
          return (Ratio) this.amount;
        }

        public boolean hasAmountRatio() { 
          return this != null && this.amount instanceof Ratio;
        }

        /**
         * @return {@link #amount} (A numeric factor for the relationship, for instance to express that the salt of a substance has some percentage of the active substance in relation to some other.)
         */
        public StringType getAmountStringType() throws FHIRException { 
          if (this.amount == null)
            this.amount = new StringType();
          if (!(this.amount instanceof StringType))
            throw new FHIRException("Type mismatch: the type StringType was expected, but "+this.amount.getClass().getName()+" was encountered");
          return (StringType) this.amount;
        }

        public boolean hasAmountStringType() { 
          return this != null && this.amount instanceof StringType;
        }

        public boolean hasAmount() { 
          return this.amount != null && !this.amount.isEmpty();
        }

        /**
         * @param value {@link #amount} (A numeric factor for the relationship, for instance to express that the salt of a substance has some percentage of the active substance in relation to some other.)
         */
        public SubstanceDefinitionRelationshipComponent setAmount(DataType value) { 
          if (value != null && !(value instanceof Quantity || value instanceof Ratio || value instanceof StringType))
            throw new FHIRException("Not the right type for SubstanceDefinition.relationship.amount[x]: "+value.fhirType());
          this.amount = value;
          return this;
        }

        /**
         * @return {@link #ratioHighLimitAmount} (For use when the numeric has an uncertain range.)
         */
        public Ratio getRatioHighLimitAmount() { 
          if (this.ratioHighLimitAmount == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionRelationshipComponent.ratioHighLimitAmount");
            else if (Configuration.doAutoCreate())
              this.ratioHighLimitAmount = new Ratio(); // cc
          return this.ratioHighLimitAmount;
        }

        public boolean hasRatioHighLimitAmount() { 
          return this.ratioHighLimitAmount != null && !this.ratioHighLimitAmount.isEmpty();
        }

        /**
         * @param value {@link #ratioHighLimitAmount} (For use when the numeric has an uncertain range.)
         */
        public SubstanceDefinitionRelationshipComponent setRatioHighLimitAmount(Ratio value) { 
          this.ratioHighLimitAmount = value;
          return this;
        }

        /**
         * @return {@link #comparator} (An operator for the amount, for example "average", "approximately", "less than".)
         */
        public CodeableConcept getComparator() { 
          if (this.comparator == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionRelationshipComponent.comparator");
            else if (Configuration.doAutoCreate())
              this.comparator = new CodeableConcept(); // cc
          return this.comparator;
        }

        public boolean hasComparator() { 
          return this.comparator != null && !this.comparator.isEmpty();
        }

        /**
         * @param value {@link #comparator} (An operator for the amount, for example "average", "approximately", "less than".)
         */
        public SubstanceDefinitionRelationshipComponent setComparator(CodeableConcept value) { 
          this.comparator = value;
          return this;
        }

        /**
         * @return {@link #source} (Supporting literature.)
         */
        public List<Reference> getSource() { 
          if (this.source == null)
            this.source = new ArrayList<Reference>();
          return this.source;
        }

        /**
         * @return Returns a reference to <code>this</code> for easy method chaining
         */
        public SubstanceDefinitionRelationshipComponent setSource(List<Reference> theSource) { 
          this.source = theSource;
          return this;
        }

        public boolean hasSource() { 
          if (this.source == null)
            return false;
          for (Reference item : this.source)
            if (!item.isEmpty())
              return true;
          return false;
        }

        public Reference addSource() { //3
          Reference t = new Reference();
          if (this.source == null)
            this.source = new ArrayList<Reference>();
          this.source.add(t);
          return t;
        }

        public SubstanceDefinitionRelationshipComponent addSource(Reference t) { //3
          if (t == null)
            return this;
          if (this.source == null)
            this.source = new ArrayList<Reference>();
          this.source.add(t);
          return this;
        }

        /**
         * @return The first repetition of repeating field {@link #source}, creating it if it does not already exist {3}
         */
        public Reference getSourceFirstRep() { 
          if (getSource().isEmpty()) {
            addSource();
          }
          return getSource().get(0);
        }

        protected void listChildren(List<Property> children) {
          super.listChildren(children);
          children.add(new Property("substanceDefinition[x]", "Reference(SubstanceDefinition)|CodeableConcept", "A pointer to another substance, as a resource or just a representational code.", 0, 1, substanceDefinition));
          children.add(new Property("type", "CodeableConcept", "For example \"salt to parent\", \"active moiety\", \"starting material\", \"polymorph\", \"impurity of\".", 0, 1, type));
          children.add(new Property("isDefining", "boolean", "For example where an enzyme strongly bonds with a particular substance, this is a defining relationship for that enzyme, out of several possible substance relationships.", 0, 1, isDefining));
          children.add(new Property("amount[x]", "Quantity|Ratio|string", "A numeric factor for the relationship, for instance to express that the salt of a substance has some percentage of the active substance in relation to some other.", 0, 1, amount));
          children.add(new Property("ratioHighLimitAmount", "Ratio", "For use when the numeric has an uncertain range.", 0, 1, ratioHighLimitAmount));
          children.add(new Property("comparator", "CodeableConcept", "An operator for the amount, for example \"average\", \"approximately\", \"less than\".", 0, 1, comparator));
          children.add(new Property("source", "Reference(DocumentReference)", "Supporting literature.", 0, java.lang.Integer.MAX_VALUE, source));
        }

        @Override
        public Property getNamedProperty(int _hash, String _name, boolean _checkValid) throws FHIRException {
          switch (_hash) {
          case -1767011651: /*substanceDefinition[x]*/  return new Property("substanceDefinition[x]", "Reference(SubstanceDefinition)|CodeableConcept", "A pointer to another substance, as a resource or just a representational code.", 0, 1, substanceDefinition);
          case 718195427: /*substanceDefinition*/  return new Property("substanceDefinition[x]", "Reference(SubstanceDefinition)|CodeableConcept", "A pointer to another substance, as a resource or just a representational code.", 0, 1, substanceDefinition);
          case -308206680: /*substanceDefinitionReference*/  return new Property("substanceDefinition[x]", "Reference(SubstanceDefinition)", "A pointer to another substance, as a resource or just a representational code.", 0, 1, substanceDefinition);
          case -132490690: /*substanceDefinitionCodeableConcept*/  return new Property("substanceDefinition[x]", "CodeableConcept", "A pointer to another substance, as a resource or just a representational code.", 0, 1, substanceDefinition);
          case 3575610: /*type*/  return new Property("type", "CodeableConcept", "For example \"salt to parent\", \"active moiety\", \"starting material\", \"polymorph\", \"impurity of\".", 0, 1, type);
          case -141812990: /*isDefining*/  return new Property("isDefining", "boolean", "For example where an enzyme strongly bonds with a particular substance, this is a defining relationship for that enzyme, out of several possible substance relationships.", 0, 1, isDefining);
          case 646780200: /*amount[x]*/  return new Property("amount[x]", "Quantity|Ratio|string", "A numeric factor for the relationship, for instance to express that the salt of a substance has some percentage of the active substance in relation to some other.", 0, 1, amount);
          case -1413853096: /*amount*/  return new Property("amount[x]", "Quantity|Ratio|string", "A numeric factor for the relationship, for instance to express that the salt of a substance has some percentage of the active substance in relation to some other.", 0, 1, amount);
          case 1664303363: /*amountQuantity*/  return new Property("amount[x]", "Quantity", "A numeric factor for the relationship, for instance to express that the salt of a substance has some percentage of the active substance in relation to some other.", 0, 1, amount);
          case -1223457133: /*amountRatio*/  return new Property("amount[x]", "Ratio", "A numeric factor for the relationship, for instance to express that the salt of a substance has some percentage of the active substance in relation to some other.", 0, 1, amount);
          case 773651081: /*amountString*/  return new Property("amount[x]", "string", "A numeric factor for the relationship, for instance to express that the salt of a substance has some percentage of the active substance in relation to some other.", 0, 1, amount);
          case -1708404378: /*ratioHighLimitAmount*/  return new Property("ratioHighLimitAmount", "Ratio", "For use when the numeric has an uncertain range.", 0, 1, ratioHighLimitAmount);
          case -844673834: /*comparator*/  return new Property("comparator", "CodeableConcept", "An operator for the amount, for example \"average\", \"approximately\", \"less than\".", 0, 1, comparator);
          case -896505829: /*source*/  return new Property("source", "Reference(DocumentReference)", "Supporting literature.", 0, java.lang.Integer.MAX_VALUE, source);
          default: return super.getNamedProperty(_hash, _name, _checkValid);
          }

        }

      @Override
      public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
        switch (hash) {
        case 718195427: /*substanceDefinition*/ return this.substanceDefinition == null ? new Base[0] : new Base[] {this.substanceDefinition}; // DataType
        case 3575610: /*type*/ return this.type == null ? new Base[0] : new Base[] {this.type}; // CodeableConcept
        case -141812990: /*isDefining*/ return this.isDefining == null ? new Base[0] : new Base[] {this.isDefining}; // BooleanType
        case -1413853096: /*amount*/ return this.amount == null ? new Base[0] : new Base[] {this.amount}; // DataType
        case -1708404378: /*ratioHighLimitAmount*/ return this.ratioHighLimitAmount == null ? new Base[0] : new Base[] {this.ratioHighLimitAmount}; // Ratio
        case -844673834: /*comparator*/ return this.comparator == null ? new Base[0] : new Base[] {this.comparator}; // CodeableConcept
        case -896505829: /*source*/ return this.source == null ? new Base[0] : this.source.toArray(new Base[this.source.size()]); // Reference
        default: return super.getProperty(hash, name, checkValid);
        }

      }

      @Override
      public Base setProperty(int hash, String name, Base value) throws FHIRException {
        switch (hash) {
        case 718195427: // substanceDefinition
          this.substanceDefinition = TypeConvertor.castToType(value); // DataType
          return value;
        case 3575610: // type
          this.type = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case -141812990: // isDefining
          this.isDefining = TypeConvertor.castToBoolean(value); // BooleanType
          return value;
        case -1413853096: // amount
          this.amount = TypeConvertor.castToType(value); // DataType
          return value;
        case -1708404378: // ratioHighLimitAmount
          this.ratioHighLimitAmount = TypeConvertor.castToRatio(value); // Ratio
          return value;
        case -844673834: // comparator
          this.comparator = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case -896505829: // source
          this.getSource().add(TypeConvertor.castToReference(value)); // Reference
          return value;
        default: return super.setProperty(hash, name, value);
        }

      }

      @Override
      public Base setProperty(String name, Base value) throws FHIRException {
        if (name.equals("substanceDefinition[x]")) {
          this.substanceDefinition = TypeConvertor.castToType(value); // DataType
        } else if (name.equals("type")) {
          this.type = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("isDefining")) {
          this.isDefining = TypeConvertor.castToBoolean(value); // BooleanType
        } else if (name.equals("amount[x]")) {
          this.amount = TypeConvertor.castToType(value); // DataType
        } else if (name.equals("ratioHighLimitAmount")) {
          this.ratioHighLimitAmount = TypeConvertor.castToRatio(value); // Ratio
        } else if (name.equals("comparator")) {
          this.comparator = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("source")) {
          this.getSource().add(TypeConvertor.castToReference(value));
        } else
          return super.setProperty(name, value);
        return value;
      }

  @Override
  public void removeChild(String name, Base value) throws FHIRException {
        if (name.equals("substanceDefinition[x]")) {
          this.substanceDefinition = null;
        } else if (name.equals("type")) {
          this.type = null;
        } else if (name.equals("isDefining")) {
          this.isDefining = null;
        } else if (name.equals("amount[x]")) {
          this.amount = null;
        } else if (name.equals("ratioHighLimitAmount")) {
          this.ratioHighLimitAmount = null;
        } else if (name.equals("comparator")) {
          this.comparator = null;
        } else if (name.equals("source")) {
          this.getSource().remove(value);
        } else
          super.removeChild(name, value);
        
      }

      @Override
      public Base makeProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case -1767011651:  return getSubstanceDefinition();
        case 718195427:  return getSubstanceDefinition();
        case 3575610:  return getType();
        case -141812990:  return getIsDefiningElement();
        case 646780200:  return getAmount();
        case -1413853096:  return getAmount();
        case -1708404378:  return getRatioHighLimitAmount();
        case -844673834:  return getComparator();
        case -896505829:  return addSource(); 
        default: return super.makeProperty(hash, name);
        }

      }

      @Override
      public String[] getTypesForProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case 718195427: /*substanceDefinition*/ return new String[] {"Reference", "CodeableConcept"};
        case 3575610: /*type*/ return new String[] {"CodeableConcept"};
        case -141812990: /*isDefining*/ return new String[] {"boolean"};
        case -1413853096: /*amount*/ return new String[] {"Quantity", "Ratio", "string"};
        case -1708404378: /*ratioHighLimitAmount*/ return new String[] {"Ratio"};
        case -844673834: /*comparator*/ return new String[] {"CodeableConcept"};
        case -896505829: /*source*/ return new String[] {"Reference"};
        default: return super.getTypesForProperty(hash, name);
        }

      }

      @Override
      public Base addChild(String name) throws FHIRException {
        if (name.equals("substanceDefinitionReference")) {
          this.substanceDefinition = new Reference();
          return this.substanceDefinition;
        }
        else if (name.equals("substanceDefinitionCodeableConcept")) {
          this.substanceDefinition = new CodeableConcept();
          return this.substanceDefinition;
        }
        else if (name.equals("type")) {
          this.type = new CodeableConcept();
          return this.type;
        }
        else if (name.equals("isDefining")) {
          throw new FHIRException("Cannot call addChild on a singleton property SubstanceDefinition.relationship.isDefining");
        }
        else if (name.equals("amountQuantity")) {
          this.amount = new Quantity();
          return this.amount;
        }
        else if (name.equals("amountRatio")) {
          this.amount = new Ratio();
          return this.amount;
        }
        else if (name.equals("amountString")) {
          this.amount = new StringType();
          return this.amount;
        }
        else if (name.equals("ratioHighLimitAmount")) {
          this.ratioHighLimitAmount = new Ratio();
          return this.ratioHighLimitAmount;
        }
        else if (name.equals("comparator")) {
          this.comparator = new CodeableConcept();
          return this.comparator;
        }
        else if (name.equals("source")) {
          return addSource();
        }
        else
          return super.addChild(name);
      }

      public SubstanceDefinitionRelationshipComponent copy() {
        SubstanceDefinitionRelationshipComponent dst = new SubstanceDefinitionRelationshipComponent();
        copyValues(dst);
        return dst;
      }

      public void copyValues(SubstanceDefinitionRelationshipComponent dst) {
        super.copyValues(dst);
        dst.substanceDefinition = substanceDefinition == null ? null : substanceDefinition.copy();
        dst.type = type == null ? null : type.copy();
        dst.isDefining = isDefining == null ? null : isDefining.copy();
        dst.amount = amount == null ? null : amount.copy();
        dst.ratioHighLimitAmount = ratioHighLimitAmount == null ? null : ratioHighLimitAmount.copy();
        dst.comparator = comparator == null ? null : comparator.copy();
        if (source != null) {
          dst.source = new ArrayList<Reference>();
          for (Reference i : source)
            dst.source.add(i.copy());
        };
      }

      @Override
      public boolean equalsDeep(Base other_) {
        if (!super.equalsDeep(other_))
          return false;
        if (!(other_ instanceof SubstanceDefinitionRelationshipComponent))
          return false;
        SubstanceDefinitionRelationshipComponent o = (SubstanceDefinitionRelationshipComponent) other_;
        return compareDeep(substanceDefinition, o.substanceDefinition, true) && compareDeep(type, o.type, true)
           && compareDeep(isDefining, o.isDefining, true) && compareDeep(amount, o.amount, true) && compareDeep(ratioHighLimitAmount, o.ratioHighLimitAmount, true)
           && compareDeep(comparator, o.comparator, true) && compareDeep(source, o.source, true);
      }

      @Override
      public boolean equalsShallow(Base other_) {
        if (!super.equalsShallow(other_))
          return false;
        if (!(other_ instanceof SubstanceDefinitionRelationshipComponent))
          return false;
        SubstanceDefinitionRelationshipComponent o = (SubstanceDefinitionRelationshipComponent) other_;
        return compareValues(isDefining, o.isDefining, true);
      }

      public boolean isEmpty() {
        return super.isEmpty() && ca.uhn.fhir.util.ElementUtil.isEmpty(substanceDefinition, type
          , isDefining, amount, ratioHighLimitAmount, comparator, source);
      }

  public String fhirType() {
    return "SubstanceDefinition.relationship";

  }

  }

    @Block()
    public static class SubstanceDefinitionSourceMaterialComponent extends BackboneElement implements IBaseBackboneElement {
        /**
         * A classification that provides the origin of the raw material. Example: cat hair would be an Animal source type.
         */
        @Child(name = "type", type = {CodeableConcept.class}, order=1, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="Classification of the origin of the raw material. e.g. cat hair is an Animal source type", formalDefinition="A classification that provides the origin of the raw material. Example: cat hair would be an Animal source type." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/substance-source-material-type")
        protected CodeableConcept type;

        /**
         * The genus of an organism, typically referring to the Latin epithet of the genus element of the plant/animal scientific name.
         */
        @Child(name = "genus", type = {CodeableConcept.class}, order=2, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="The genus of an organism e.g. the Latin epithet of the plant/animal scientific name", formalDefinition="The genus of an organism, typically referring to the Latin epithet of the genus element of the plant/animal scientific name." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/substance-source-material-genus")
        protected CodeableConcept genus;

        /**
         * The species of an organism, typically referring to the Latin epithet of the species of the plant/animal.
         */
        @Child(name = "species", type = {CodeableConcept.class}, order=3, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="The species of an organism e.g. the Latin epithet of the species of the plant/animal", formalDefinition="The species of an organism, typically referring to the Latin epithet of the species of the plant/animal." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/substance-source-material-species")
        protected CodeableConcept species;

        /**
         * An anatomical origin of the source material within an organism.
         */
        @Child(name = "part", type = {CodeableConcept.class}, order=4, min=0, max=1, modifier=false, summary=true)
        @Description(shortDefinition="An anatomical origin of the source material within an organism", formalDefinition="An anatomical origin of the source material within an organism." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/substance-source-material-part")
        protected CodeableConcept part;

        /**
         * The country or countries where the material is harvested.
         */
        @Child(name = "countryOfOrigin", type = {CodeableConcept.class}, order=5, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
        @Description(shortDefinition="The country or countries where the material is harvested", formalDefinition="The country or countries where the material is harvested." )
        @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/country")
        protected List<CodeableConcept> countryOfOrigin;

        private static final long serialVersionUID = 569352795L;

    /**
     * Constructor
     */
      public SubstanceDefinitionSourceMaterialComponent() {
        super();
      }

        /**
         * @return {@link #type} (A classification that provides the origin of the raw material. Example: cat hair would be an Animal source type.)
         */
        public CodeableConcept getType() { 
          if (this.type == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionSourceMaterialComponent.type");
            else if (Configuration.doAutoCreate())
              this.type = new CodeableConcept(); // cc
          return this.type;
        }

        public boolean hasType() { 
          return this.type != null && !this.type.isEmpty();
        }

        /**
         * @param value {@link #type} (A classification that provides the origin of the raw material. Example: cat hair would be an Animal source type.)
         */
        public SubstanceDefinitionSourceMaterialComponent setType(CodeableConcept value) { 
          this.type = value;
          return this;
        }

        /**
         * @return {@link #genus} (The genus of an organism, typically referring to the Latin epithet of the genus element of the plant/animal scientific name.)
         */
        public CodeableConcept getGenus() { 
          if (this.genus == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionSourceMaterialComponent.genus");
            else if (Configuration.doAutoCreate())
              this.genus = new CodeableConcept(); // cc
          return this.genus;
        }

        public boolean hasGenus() { 
          return this.genus != null && !this.genus.isEmpty();
        }

        /**
         * @param value {@link #genus} (The genus of an organism, typically referring to the Latin epithet of the genus element of the plant/animal scientific name.)
         */
        public SubstanceDefinitionSourceMaterialComponent setGenus(CodeableConcept value) { 
          this.genus = value;
          return this;
        }

        /**
         * @return {@link #species} (The species of an organism, typically referring to the Latin epithet of the species of the plant/animal.)
         */
        public CodeableConcept getSpecies() { 
          if (this.species == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionSourceMaterialComponent.species");
            else if (Configuration.doAutoCreate())
              this.species = new CodeableConcept(); // cc
          return this.species;
        }

        public boolean hasSpecies() { 
          return this.species != null && !this.species.isEmpty();
        }

        /**
         * @param value {@link #species} (The species of an organism, typically referring to the Latin epithet of the species of the plant/animal.)
         */
        public SubstanceDefinitionSourceMaterialComponent setSpecies(CodeableConcept value) { 
          this.species = value;
          return this;
        }

        /**
         * @return {@link #part} (An anatomical origin of the source material within an organism.)
         */
        public CodeableConcept getPart() { 
          if (this.part == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create SubstanceDefinitionSourceMaterialComponent.part");
            else if (Configuration.doAutoCreate())
              this.part = new CodeableConcept(); // cc
          return this.part;
        }

        public boolean hasPart() { 
          return this.part != null && !this.part.isEmpty();
        }

        /**
         * @param value {@link #part} (An anatomical origin of the source material within an organism.)
         */
        public SubstanceDefinitionSourceMaterialComponent setPart(CodeableConcept value) { 
          this.part = value;
          return this;
        }

        /**
         * @return {@link #countryOfOrigin} (The country or countries where the material is harvested.)
         */
        public List<CodeableConcept> getCountryOfOrigin() { 
          if (this.countryOfOrigin == null)
            this.countryOfOrigin = new ArrayList<CodeableConcept>();
          return this.countryOfOrigin;
        }

        /**
         * @return Returns a reference to <code>this</code> for easy method chaining
         */
        public SubstanceDefinitionSourceMaterialComponent setCountryOfOrigin(List<CodeableConcept> theCountryOfOrigin) { 
          this.countryOfOrigin = theCountryOfOrigin;
          return this;
        }

        public boolean hasCountryOfOrigin() { 
          if (this.countryOfOrigin == null)
            return false;
          for (CodeableConcept item : this.countryOfOrigin)
            if (!item.isEmpty())
              return true;
          return false;
        }

        public CodeableConcept addCountryOfOrigin() { //3
          CodeableConcept t = new CodeableConcept();
          if (this.countryOfOrigin == null)
            this.countryOfOrigin = new ArrayList<CodeableConcept>();
          this.countryOfOrigin.add(t);
          return t;
        }

        public SubstanceDefinitionSourceMaterialComponent addCountryOfOrigin(CodeableConcept t) { //3
          if (t == null)
            return this;
          if (this.countryOfOrigin == null)
            this.countryOfOrigin = new ArrayList<CodeableConcept>();
          this.countryOfOrigin.add(t);
          return this;
        }

        /**
         * @return The first repetition of repeating field {@link #countryOfOrigin}, creating it if it does not already exist {3}
         */
        public CodeableConcept getCountryOfOriginFirstRep() { 
          if (getCountryOfOrigin().isEmpty()) {
            addCountryOfOrigin();
          }
          return getCountryOfOrigin().get(0);
        }

        protected void listChildren(List<Property> children) {
          super.listChildren(children);
          children.add(new Property("type", "CodeableConcept", "A classification that provides the origin of the raw material. Example: cat hair would be an Animal source type.", 0, 1, type));
          children.add(new Property("genus", "CodeableConcept", "The genus of an organism, typically referring to the Latin epithet of the genus element of the plant/animal scientific name.", 0, 1, genus));
          children.add(new Property("species", "CodeableConcept", "The species of an organism, typically referring to the Latin epithet of the species of the plant/animal.", 0, 1, species));
          children.add(new Property("part", "CodeableConcept", "An anatomical origin of the source material within an organism.", 0, 1, part));
          children.add(new Property("countryOfOrigin", "CodeableConcept", "The country or countries where the material is harvested.", 0, java.lang.Integer.MAX_VALUE, countryOfOrigin));
        }

        @Override
        public Property getNamedProperty(int _hash, String _name, boolean _checkValid) throws FHIRException {
          switch (_hash) {
          case 3575610: /*type*/  return new Property("type", "CodeableConcept", "A classification that provides the origin of the raw material. Example: cat hair would be an Animal source type.", 0, 1, type);
          case 98241006: /*genus*/  return new Property("genus", "CodeableConcept", "The genus of an organism, typically referring to the Latin epithet of the genus element of the plant/animal scientific name.", 0, 1, genus);
          case -2008465092: /*species*/  return new Property("species", "CodeableConcept", "The species of an organism, typically referring to the Latin epithet of the species of the plant/animal.", 0, 1, species);
          case 3433459: /*part*/  return new Property("part", "CodeableConcept", "An anatomical origin of the source material within an organism.", 0, 1, part);
          case 57176467: /*countryOfOrigin*/  return new Property("countryOfOrigin", "CodeableConcept", "The country or countries where the material is harvested.", 0, java.lang.Integer.MAX_VALUE, countryOfOrigin);
          default: return super.getNamedProperty(_hash, _name, _checkValid);
          }

        }

      @Override
      public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
        switch (hash) {
        case 3575610: /*type*/ return this.type == null ? new Base[0] : new Base[] {this.type}; // CodeableConcept
        case 98241006: /*genus*/ return this.genus == null ? new Base[0] : new Base[] {this.genus}; // CodeableConcept
        case -2008465092: /*species*/ return this.species == null ? new Base[0] : new Base[] {this.species}; // CodeableConcept
        case 3433459: /*part*/ return this.part == null ? new Base[0] : new Base[] {this.part}; // CodeableConcept
        case 57176467: /*countryOfOrigin*/ return this.countryOfOrigin == null ? new Base[0] : this.countryOfOrigin.toArray(new Base[this.countryOfOrigin.size()]); // CodeableConcept
        default: return super.getProperty(hash, name, checkValid);
        }

      }

      @Override
      public Base setProperty(int hash, String name, Base value) throws FHIRException {
        switch (hash) {
        case 3575610: // type
          this.type = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case 98241006: // genus
          this.genus = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case -2008465092: // species
          this.species = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case 3433459: // part
          this.part = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case 57176467: // countryOfOrigin
          this.getCountryOfOrigin().add(TypeConvertor.castToCodeableConcept(value)); // CodeableConcept
          return value;
        default: return super.setProperty(hash, name, value);
        }

      }

      @Override
      public Base setProperty(String name, Base value) throws FHIRException {
        if (name.equals("type")) {
          this.type = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("genus")) {
          this.genus = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("species")) {
          this.species = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("part")) {
          this.part = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("countryOfOrigin")) {
          this.getCountryOfOrigin().add(TypeConvertor.castToCodeableConcept(value));
        } else
          return super.setProperty(name, value);
        return value;
      }

  @Override
  public void removeChild(String name, Base value) throws FHIRException {
        if (name.equals("type")) {
          this.type = null;
        } else if (name.equals("genus")) {
          this.genus = null;
        } else if (name.equals("species")) {
          this.species = null;
        } else if (name.equals("part")) {
          this.part = null;
        } else if (name.equals("countryOfOrigin")) {
          this.getCountryOfOrigin().remove(value);
        } else
          super.removeChild(name, value);
        
      }

      @Override
      public Base makeProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case 3575610:  return getType();
        case 98241006:  return getGenus();
        case -2008465092:  return getSpecies();
        case 3433459:  return getPart();
        case 57176467:  return addCountryOfOrigin(); 
        default: return super.makeProperty(hash, name);
        }

      }

      @Override
      public String[] getTypesForProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case 3575610: /*type*/ return new String[] {"CodeableConcept"};
        case 98241006: /*genus*/ return new String[] {"CodeableConcept"};
        case -2008465092: /*species*/ return new String[] {"CodeableConcept"};
        case 3433459: /*part*/ return new String[] {"CodeableConcept"};
        case 57176467: /*countryOfOrigin*/ return new String[] {"CodeableConcept"};
        default: return super.getTypesForProperty(hash, name);
        }

      }

      @Override
      public Base addChild(String name) throws FHIRException {
        if (name.equals("type")) {
          this.type = new CodeableConcept();
          return this.type;
        }
        else if (name.equals("genus")) {
          this.genus = new CodeableConcept();
          return this.genus;
        }
        else if (name.equals("species")) {
          this.species = new CodeableConcept();
          return this.species;
        }
        else if (name.equals("part")) {
          this.part = new CodeableConcept();
          return this.part;
        }
        else if (name.equals("countryOfOrigin")) {
          return addCountryOfOrigin();
        }
        else
          return super.addChild(name);
      }

      public SubstanceDefinitionSourceMaterialComponent copy() {
        SubstanceDefinitionSourceMaterialComponent dst = new SubstanceDefinitionSourceMaterialComponent();
        copyValues(dst);
        return dst;
      }

      public void copyValues(SubstanceDefinitionSourceMaterialComponent dst) {
        super.copyValues(dst);
        dst.type = type == null ? null : type.copy();
        dst.genus = genus == null ? null : genus.copy();
        dst.species = species == null ? null : species.copy();
        dst.part = part == null ? null : part.copy();
        if (countryOfOrigin != null) {
          dst.countryOfOrigin = new ArrayList<CodeableConcept>();
          for (CodeableConcept i : countryOfOrigin)
            dst.countryOfOrigin.add(i.copy());
        };
      }

      @Override
      public boolean equalsDeep(Base other_) {
        if (!super.equalsDeep(other_))
          return false;
        if (!(other_ instanceof SubstanceDefinitionSourceMaterialComponent))
          return false;
        SubstanceDefinitionSourceMaterialComponent o = (SubstanceDefinitionSourceMaterialComponent) other_;
        return compareDeep(type, o.type, true) && compareDeep(genus, o.genus, true) && compareDeep(species, o.species, true)
           && compareDeep(part, o.part, true) && compareDeep(countryOfOrigin, o.countryOfOrigin, true);
      }

      @Override
      public boolean equalsShallow(Base other_) {
        if (!super.equalsShallow(other_))
          return false;
        if (!(other_ instanceof SubstanceDefinitionSourceMaterialComponent))
          return false;
        SubstanceDefinitionSourceMaterialComponent o = (SubstanceDefinitionSourceMaterialComponent) other_;
        return true;
      }

      public boolean isEmpty() {
        return super.isEmpty() && ca.uhn.fhir.util.ElementUtil.isEmpty(type, genus, species, part
          , countryOfOrigin);
      }

  public String fhirType() {
    return "SubstanceDefinition.sourceMaterial";

  }

  }

    /**
     * Identifier by which this substance is known.
     */
    @Child(name = "identifier", type = {Identifier.class}, order=0, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
    @Description(shortDefinition="Identifier by which this substance is known", formalDefinition="Identifier by which this substance is known." )
    protected List<Identifier> identifier;

    /**
     * A business level version identifier of the substance.
     */
    @Child(name = "version", type = {StringType.class}, order=1, min=0, max=1, modifier=false, summary=true)
    @Description(shortDefinition="A business level version identifier of the substance", formalDefinition="A business level version identifier of the substance." )
    protected StringType version;

    /**
     * Status of substance within the catalogue e.g. active, retired.
     */
    @Child(name = "status", type = {CodeableConcept.class}, order=2, min=0, max=1, modifier=false, summary=true)
    @Description(shortDefinition="Status of substance within the catalogue e.g. active, retired", formalDefinition="Status of substance within the catalogue e.g. active, retired." )
    @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/publication-status")
    protected CodeableConcept status;

    /**
     * A high level categorization, e.g. polymer or nucleic acid, or food, chemical, biological, or a lower level such as the general types of polymer (linear or branch chain) or type of impurity (process related or contaminant).
     */
    @Child(name = "classification", type = {CodeableConcept.class}, order=3, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
    @Description(shortDefinition="A categorization, high level e.g. polymer or nucleic acid, or food, chemical, biological, or lower e.g. polymer linear or branch chain, or type of impurity", formalDefinition="A high level categorization, e.g. polymer or nucleic acid, or food, chemical, biological, or a lower level such as the general types of polymer (linear or branch chain) or type of impurity (process related or contaminant)." )
    protected List<CodeableConcept> classification;

    /**
     * If the substance applies to human or veterinary use.
     */
    @Child(name = "domain", type = {CodeableConcept.class}, order=4, min=0, max=1, modifier=false, summary=true)
    @Description(shortDefinition="If the substance applies to human or veterinary use", formalDefinition="If the substance applies to human or veterinary use." )
    @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/medicinal-product-domain")
    protected CodeableConcept domain;

    /**
     * The quality standard, established benchmark, to which substance complies (e.g. USP/NF, Ph. Eur, JP, BP, Company Standard).
     */
    @Child(name = "grade", type = {CodeableConcept.class}, order=5, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
    @Description(shortDefinition="The quality standard, established benchmark, to which substance complies (e.g. USP/NF, BP)", formalDefinition="The quality standard, established benchmark, to which substance complies (e.g. USP/NF, Ph. Eur, JP, BP, Company Standard)." )
    @ca.uhn.fhir.model.api.annotation.Binding(valueSet="http://hl7.org/fhir/ValueSet/substance-grade")
    protected List<CodeableConcept> grade;

    /**
     * Textual description of the substance.
     */
    @Child(name = "description", type = {MarkdownType.class}, order=6, min=0, max=1, modifier=false, summary=true)
    @Description(shortDefinition="Textual description of the substance", formalDefinition="Textual description of the substance." )
    protected MarkdownType description;

    /**
     * Supporting literature.
     */
    @Child(name = "informationSource", type = {Citation.class}, order=7, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
    @Description(shortDefinition="Supporting literature", formalDefinition="Supporting literature." )
    protected List<Reference> informationSource;

    /**
     * Textual comment about the substance's catalogue or registry record.
     */
    @Child(name = "note", type = {Annotation.class}, order=8, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
    @Description(shortDefinition="Textual comment about the substance's catalogue or registry record", formalDefinition="Textual comment about the substance's catalogue or registry record." )
    protected List<Annotation> note;

    /**
     * The entity that creates, makes, produces or fabricates the substance. This is a set of potential manufacturers but is not necessarily comprehensive.
     */
    @Child(name = "manufacturer", type = {Organization.class}, order=9, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
    @Description(shortDefinition="The entity that creates, makes, produces or fabricates the substance", formalDefinition="The entity that creates, makes, produces or fabricates the substance. This is a set of potential manufacturers but is not necessarily comprehensive." )
    protected List<Reference> manufacturer;

    /**
     * An entity that is the source for the substance. It may be different from the manufacturer. Supplier is synonymous to a distributor.
     */
    @Child(name = "supplier", type = {Organization.class}, order=10, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
    @Description(shortDefinition="An entity that is the source for the substance. It may be different from the manufacturer", formalDefinition="An entity that is the source for the substance. It may be different from the manufacturer. Supplier is synonymous to a distributor." )
    protected List<Reference> supplier;

    /**
     * Moiety, for structural modifications.
     */
    @Child(name = "moiety", type = {}, order=11, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
    @Description(shortDefinition="Moiety, for structural modifications", formalDefinition="Moiety, for structural modifications." )
    protected List<SubstanceDefinitionMoietyComponent> moiety;

    /**
     * General specifications for this substance.
     */
    @Child(name = "characterization", type = {}, order=12, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
    @Description(shortDefinition="General specifications for this substance", formalDefinition="General specifications for this substance." )
    protected List<SubstanceDefinitionCharacterizationComponent> characterization;

    /**
     * General specifications for this substance.
     */
    @Child(name = "property", type = {}, order=13, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
    @Description(shortDefinition="General specifications for this substance", formalDefinition="General specifications for this substance." )
    protected List<SubstanceDefinitionPropertyComponent> property;

    /**
     * General information detailing this substance.
     */
    @Child(name = "referenceInformation", type = {SubstanceReferenceInformation.class}, order=14, min=0, max=1, modifier=false, summary=true)
    @Description(shortDefinition="General information detailing this substance", formalDefinition="General information detailing this substance." )
    protected Reference referenceInformation;

    /**
     * The average mass of a molecule of a compound compared to 1/12 the mass of carbon 12 and calculated as the sum of the atomic weights of the constituent atoms.
     */
    @Child(name = "molecularWeight", type = {}, order=15, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
    @Description(shortDefinition="The average mass of a molecule of a compound", formalDefinition="The average mass of a molecule of a compound compared to 1/12 the mass of carbon 12 and calculated as the sum of the atomic weights of the constituent atoms." )
    protected List<SubstanceDefinitionMolecularWeightComponent> molecularWeight;

    /**
     * Structural information.
     */
    @Child(name = "structure", type = {}, order=16, min=0, max=1, modifier=false, summary=true)
    @Description(shortDefinition="Structural information", formalDefinition="Structural information." )
    protected SubstanceDefinitionStructureComponent structure;

    /**
     * Codes associated with the substance.
     */
    @Child(name = "code", type = {}, order=17, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
    @Description(shortDefinition="Codes associated with the substance", formalDefinition="Codes associated with the substance." )
    protected List<SubstanceDefinitionCodeComponent> code;

    /**
     * Names applicable to this substance.
     */
    @Child(name = "name", type = {}, order=18, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
    @Description(shortDefinition="Names applicable to this substance", formalDefinition="Names applicable to this substance." )
    protected List<SubstanceDefinitionNameComponent> name;

    /**
     * A link between this substance and another, with details of the relationship.
     */
    @Child(name = "relationship", type = {}, order=19, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=true)
    @Description(shortDefinition="A link between this substance and another", formalDefinition="A link between this substance and another, with details of the relationship." )
    protected List<SubstanceDefinitionRelationshipComponent> relationship;

    /**
     * Data items specific to nucleic acids.
     */
    @Child(name = "nucleicAcid", type = {SubstanceNucleicAcid.class}, order=20, min=0, max=1, modifier=false, summary=true)
    @Description(shortDefinition="Data items specific to nucleic acids", formalDefinition="Data items specific to nucleic acids." )
    protected Reference nucleicAcid;

    /**
     * Data items specific to polymers.
     */
    @Child(name = "polymer", type = {SubstancePolymer.class}, order=21, min=0, max=1, modifier=false, summary=true)
    @Description(shortDefinition="Data items specific to polymers", formalDefinition="Data items specific to polymers." )
    protected Reference polymer;

    /**
     * Data items specific to proteins.
     */
    @Child(name = "protein", type = {SubstanceProtein.class}, order=22, min=0, max=1, modifier=false, summary=true)
    @Description(shortDefinition="Data items specific to proteins", formalDefinition="Data items specific to proteins." )
    protected Reference protein;

    /**
     * Material or taxonomic/anatomical source for the substance.
     */
    @Child(name = "sourceMaterial", type = {}, order=23, min=0, max=1, modifier=false, summary=true)
    @Description(shortDefinition="Material or taxonomic/anatomical source", formalDefinition="Material or taxonomic/anatomical source for the substance." )
    protected SubstanceDefinitionSourceMaterialComponent sourceMaterial;

    private static final long serialVersionUID = -206769887L;

  /**
   * Constructor
   */
    public SubstanceDefinition() {
      super();
    }

    /**
     * @return {@link #identifier} (Identifier by which this substance is known.)
     */
    public List<Identifier> getIdentifier() { 
      if (this.identifier == null)
        this.identifier = new ArrayList<Identifier>();
      return this.identifier;
    }

    /**
     * @return Returns a reference to <code>this</code> for easy method chaining
     */
    public SubstanceDefinition setIdentifier(List<Identifier> theIdentifier) { 
      this.identifier = theIdentifier;
      return this;
    }

    public boolean hasIdentifier() { 
      if (this.identifier == null)
        return false;
      for (Identifier item : this.identifier)
        if (!item.isEmpty())
          return true;
      return false;
    }

    public Identifier addIdentifier() { //3
      Identifier t = new Identifier();
      if (this.identifier == null)
        this.identifier = new ArrayList<Identifier>();
      this.identifier.add(t);
      return t;
    }

    public SubstanceDefinition addIdentifier(Identifier t) { //3
      if (t == null)
        return this;
      if (this.identifier == null)
        this.identifier = new ArrayList<Identifier>();
      this.identifier.add(t);
      return this;
    }

    /**
     * @return The first repetition of repeating field {@link #identifier}, creating it if it does not already exist {3}
     */
    public Identifier getIdentifierFirstRep() { 
      if (getIdentifier().isEmpty()) {
        addIdentifier();
      }
      return getIdentifier().get(0);
    }

    /**
     * @return {@link #version} (A business level version identifier of the substance.). This is the underlying object with id, value and extensions. The accessor "getVersion" gives direct access to the value
     */
    public StringType getVersionElement() { 
      if (this.version == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create SubstanceDefinition.version");
        else if (Configuration.doAutoCreate())
          this.version = new StringType(); // bb
      return this.version;
    }

    public boolean hasVersionElement() { 
      return this.version != null && !this.version.isEmpty();
    }

    public boolean hasVersion() { 
      return this.version != null && !this.version.isEmpty();
    }

    /**
     * @param value {@link #version} (A business level version identifier of the substance.). This is the underlying object with id, value and extensions. The accessor "getVersion" gives direct access to the value
     */
    public SubstanceDefinition setVersionElement(StringType value) { 
      this.version = value;
      return this;
    }

    /**
     * @return A business level version identifier of the substance.
     */
    public String getVersion() { 
      return this.version == null ? null : this.version.getValue();
    }

    /**
     * @param value A business level version identifier of the substance.
     */
    public SubstanceDefinition setVersion(String value) { 
      if (Utilities.noString(value))
        this.version = null;
      else {
        if (this.version == null)
          this.version = new StringType();
        this.version.setValue(value);
      }
      return this;
    }

    /**
     * @return {@link #status} (Status of substance within the catalogue e.g. active, retired.)
     */
    public CodeableConcept getStatus() { 
      if (this.status == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create SubstanceDefinition.status");
        else if (Configuration.doAutoCreate())
          this.status = new CodeableConcept(); // cc
      return this.status;
    }

    public boolean hasStatus() { 
      return this.status != null && !this.status.isEmpty();
    }

    /**
     * @param value {@link #status} (Status of substance within the catalogue e.g. active, retired.)
     */
    public SubstanceDefinition setStatus(CodeableConcept value) { 
      this.status = value;
      return this;
    }

    /**
     * @return {@link #classification} (A high level categorization, e.g. polymer or nucleic acid, or food, chemical, biological, or a lower level such as the general types of polymer (linear or branch chain) or type of impurity (process related or contaminant).)
     */
    public List<CodeableConcept> getClassification() { 
      if (this.classification == null)
        this.classification = new ArrayList<CodeableConcept>();
      return this.classification;
    }

    /**
     * @return Returns a reference to <code>this</code> for easy method chaining
     */
    public SubstanceDefinition setClassification(List<CodeableConcept> theClassification) { 
      this.classification = theClassification;
      return this;
    }

    public boolean hasClassification() { 
      if (this.classification == null)
        return false;
      for (CodeableConcept item : this.classification)
        if (!item.isEmpty())
          return true;
      return false;
    }

    public CodeableConcept addClassification() { //3
      CodeableConcept t = new CodeableConcept();
      if (this.classification == null)
        this.classification = new ArrayList<CodeableConcept>();
      this.classification.add(t);
      return t;
    }

    public SubstanceDefinition addClassification(CodeableConcept t) { //3
      if (t == null)
        return this;
      if (this.classification == null)
        this.classification = new ArrayList<CodeableConcept>();
      this.classification.add(t);
      return this;
    }

    /**
     * @return The first repetition of repeating field {@link #classification}, creating it if it does not already exist {3}
     */
    public CodeableConcept getClassificationFirstRep() { 
      if (getClassification().isEmpty()) {
        addClassification();
      }
      return getClassification().get(0);
    }

    /**
     * @return {@link #domain} (If the substance applies to human or veterinary use.)
     */
    public CodeableConcept getDomain() { 
      if (this.domain == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create SubstanceDefinition.domain");
        else if (Configuration.doAutoCreate())
          this.domain = new CodeableConcept(); // cc
      return this.domain;
    }

    public boolean hasDomain() { 
      return this.domain != null && !this.domain.isEmpty();
    }

    /**
     * @param value {@link #domain} (If the substance applies to human or veterinary use.)
     */
    public SubstanceDefinition setDomain(CodeableConcept value) { 
      this.domain = value;
      return this;
    }

    /**
     * @return {@link #grade} (The quality standard, established benchmark, to which substance complies (e.g. USP/NF, Ph. Eur, JP, BP, Company Standard).)
     */
    public List<CodeableConcept> getGrade() { 
      if (this.grade == null)
        this.grade = new ArrayList<CodeableConcept>();
      return this.grade;
    }

    /**
     * @return Returns a reference to <code>this</code> for easy method chaining
     */
    public SubstanceDefinition setGrade(List<CodeableConcept> theGrade) { 
      this.grade = theGrade;
      return this;
    }

    public boolean hasGrade() { 
      if (this.grade == null)
        return false;
      for (CodeableConcept item : this.grade)
        if (!item.isEmpty())
          return true;
      return false;
    }

    public CodeableConcept addGrade() { //3
      CodeableConcept t = new CodeableConcept();
      if (this.grade == null)
        this.grade = new ArrayList<CodeableConcept>();
      this.grade.add(t);
      return t;
    }

    public SubstanceDefinition addGrade(CodeableConcept t) { //3
      if (t == null)
        return this;
      if (this.grade == null)
        this.grade = new ArrayList<CodeableConcept>();
      this.grade.add(t);
      return this;
    }

    /**
     * @return The first repetition of repeating field {@link #grade}, creating it if it does not already exist {3}
     */
    public CodeableConcept getGradeFirstRep() { 
      if (getGrade().isEmpty()) {
        addGrade();
      }
      return getGrade().get(0);
    }

    /**
     * @return {@link #description} (Textual description of the substance.). This is the underlying object with id, value and extensions. The accessor "getDescription" gives direct access to the value
     */
    public MarkdownType getDescriptionElement() { 
      if (this.description == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create SubstanceDefinition.description");
        else if (Configuration.doAutoCreate())
          this.description = new MarkdownType(); // bb
      return this.description;
    }

    public boolean hasDescriptionElement() { 
      return this.description != null && !this.description.isEmpty();
    }

    public boolean hasDescription() { 
      return this.description != null && !this.description.isEmpty();
    }

    /**
     * @param value {@link #description} (Textual description of the substance.). This is the underlying object with id, value and extensions. The accessor "getDescription" gives direct access to the value
     */
    public SubstanceDefinition setDescriptionElement(MarkdownType value) { 
      this.description = value;
      return this;
    }

    /**
     * @return Textual description of the substance.
     */
    public String getDescription() { 
      return this.description == null ? null : this.description.getValue();
    }

    /**
     * @param value Textual description of the substance.
     */
    public SubstanceDefinition setDescription(String value) { 
      if (Utilities.noString(value))
        this.description = null;
      else {
        if (this.description == null)
          this.description = new MarkdownType();
        this.description.setValue(value);
      }
      return this;
    }

    /**
     * @return {@link #informationSource} (Supporting literature.)
     */
    public List<Reference> getInformationSource() { 
      if (this.informationSource == null)
        this.informationSource = new ArrayList<Reference>();
      return this.informationSource;
    }

    /**
     * @return Returns a reference to <code>this</code> for easy method chaining
     */
    public SubstanceDefinition setInformationSource(List<Reference> theInformationSource) { 
      this.informationSource = theInformationSource;
      return this;
    }

    public boolean hasInformationSource() { 
      if (this.informationSource == null)
        return false;
      for (Reference item : this.informationSource)
        if (!item.isEmpty())
          return true;
      return false;
    }

    public Reference addInformationSource() { //3
      Reference t = new Reference();
      if (this.informationSource == null)
        this.informationSource = new ArrayList<Reference>();
      this.informationSource.add(t);
      return t;
    }

    public SubstanceDefinition addInformationSource(Reference t) { //3
      if (t == null)
        return this;
      if (this.informationSource == null)
        this.informationSource = new ArrayList<Reference>();
      this.informationSource.add(t);
      return this;
    }

    /**
     * @return The first repetition of repeating field {@link #informationSource}, creating it if it does not already exist {3}
     */
    public Reference getInformationSourceFirstRep() { 
      if (getInformationSource().isEmpty()) {
        addInformationSource();
      }
      return getInformationSource().get(0);
    }

    /**
     * @return {@link #note} (Textual comment about the substance's catalogue or registry record.)
     */
    public List<Annotation> getNote() { 
      if (this.note == null)
        this.note = new ArrayList<Annotation>();
      return this.note;
    }

    /**
     * @return Returns a reference to <code>this</code> for easy method chaining
     */
    public SubstanceDefinition setNote(List<Annotation> theNote) { 
      this.note = theNote;
      return this;
    }

    public boolean hasNote() { 
      if (this.note == null)
        return false;
      for (Annotation item : this.note)
        if (!item.isEmpty())
          return true;
      return false;
    }

    public Annotation addNote() { //3
      Annotation t = new Annotation();
      if (this.note == null)
        this.note = new ArrayList<Annotation>();
      this.note.add(t);
      return t;
    }

    public SubstanceDefinition addNote(Annotation t) { //3
      if (t == null)
        return this;
      if (this.note == null)
        this.note = new ArrayList<Annotation>();
      this.note.add(t);
      return this;
    }

    /**
     * @return The first repetition of repeating field {@link #note}, creating it if it does not already exist {3}
     */
    public Annotation getNoteFirstRep() { 
      if (getNote().isEmpty()) {
        addNote();
      }
      return getNote().get(0);
    }

    /**
     * @return {@link #manufacturer} (The entity that creates, makes, produces or fabricates the substance. This is a set of potential manufacturers but is not necessarily comprehensive.)
     */
    public List<Reference> getManufacturer() { 
      if (this.manufacturer == null)
        this.manufacturer = new ArrayList<Reference>();
      return this.manufacturer;
    }

    /**
     * @return Returns a reference to <code>this</code> for easy method chaining
     */
    public SubstanceDefinition setManufacturer(List<Reference> theManufacturer) { 
      this.manufacturer = theManufacturer;
      return this;
    }

    public boolean hasManufacturer() { 
      if (this.manufacturer == null)
        return false;
      for (Reference item : this.manufacturer)
        if (!item.isEmpty())
          return true;
      return false;
    }

    public Reference addManufacturer() { //3
      Reference t = new Reference();
      if (this.manufacturer == null)
        this.manufacturer = new ArrayList<Reference>();
      this.manufacturer.add(t);
      return t;
    }

    public SubstanceDefinition addManufacturer(Reference t) { //3
      if (t == null)
        return this;
      if (this.manufacturer == null)
        this.manufacturer = new ArrayList<Reference>();
      this.manufacturer.add(t);
      return this;
    }

    /**
     * @return The first repetition of repeating field {@link #manufacturer}, creating it if it does not already exist {3}
     */
    public Reference getManufacturerFirstRep() { 
      if (getManufacturer().isEmpty()) {
        addManufacturer();
      }
      return getManufacturer().get(0);
    }

    /**
     * @return {@link #supplier} (An entity that is the source for the substance. It may be different from the manufacturer. Supplier is synonymous to a distributor.)
     */
    public List<Reference> getSupplier() { 
      if (this.supplier == null)
        this.supplier = new ArrayList<Reference>();
      return this.supplier;
    }

    /**
     * @return Returns a reference to <code>this</code> for easy method chaining
     */
    public SubstanceDefinition setSupplier(List<Reference> theSupplier) { 
      this.supplier = theSupplier;
      return this;
    }

    public boolean hasSupplier() { 
      if (this.supplier == null)
        return false;
      for (Reference item : this.supplier)
        if (!item.isEmpty())
          return true;
      return false;
    }

    public Reference addSupplier() { //3
      Reference t = new Reference();
      if (this.supplier == null)
        this.supplier = new ArrayList<Reference>();
      this.supplier.add(t);
      return t;
    }

    public SubstanceDefinition addSupplier(Reference t) { //3
      if (t == null)
        return this;
      if (this.supplier == null)
        this.supplier = new ArrayList<Reference>();
      this.supplier.add(t);
      return this;
    }

    /**
     * @return The first repetition of repeating field {@link #supplier}, creating it if it does not already exist {3}
     */
    public Reference getSupplierFirstRep() { 
      if (getSupplier().isEmpty()) {
        addSupplier();
      }
      return getSupplier().get(0);
    }

    /**
     * @return {@link #moiety} (Moiety, for structural modifications.)
     */
    public List<SubstanceDefinitionMoietyComponent> getMoiety() { 
      if (this.moiety == null)
        this.moiety = new ArrayList<SubstanceDefinitionMoietyComponent>();
      return this.moiety;
    }

    /**
     * @return Returns a reference to <code>this</code> for easy method chaining
     */
    public SubstanceDefinition setMoiety(List<SubstanceDefinitionMoietyComponent> theMoiety) { 
      this.moiety = theMoiety;
      return this;
    }

    public boolean hasMoiety() { 
      if (this.moiety == null)
        return false;
      for (SubstanceDefinitionMoietyComponent item : this.moiety)
        if (!item.isEmpty())
          return true;
      return false;
    }

    public SubstanceDefinitionMoietyComponent addMoiety() { //3
      SubstanceDefinitionMoietyComponent t = new SubstanceDefinitionMoietyComponent();
      if (this.moiety == null)
        this.moiety = new ArrayList<SubstanceDefinitionMoietyComponent>();
      this.moiety.add(t);
      return t;
    }

    public SubstanceDefinition addMoiety(SubstanceDefinitionMoietyComponent t) { //3
      if (t == null)
        return this;
      if (this.moiety == null)
        this.moiety = new ArrayList<SubstanceDefinitionMoietyComponent>();
      this.moiety.add(t);
      return this;
    }

    /**
     * @return The first repetition of repeating field {@link #moiety}, creating it if it does not already exist {3}
     */
    public SubstanceDefinitionMoietyComponent getMoietyFirstRep() { 
      if (getMoiety().isEmpty()) {
        addMoiety();
      }
      return getMoiety().get(0);
    }

    /**
     * @return {@link #characterization} (General specifications for this substance.)
     */
    public List<SubstanceDefinitionCharacterizationComponent> getCharacterization() { 
      if (this.characterization == null)
        this.characterization = new ArrayList<SubstanceDefinitionCharacterizationComponent>();
      return this.characterization;
    }

    /**
     * @return Returns a reference to <code>this</code> for easy method chaining
     */
    public SubstanceDefinition setCharacterization(List<SubstanceDefinitionCharacterizationComponent> theCharacterization) { 
      this.characterization = theCharacterization;
      return this;
    }

    public boolean hasCharacterization() { 
      if (this.characterization == null)
        return false;
      for (SubstanceDefinitionCharacterizationComponent item : this.characterization)
        if (!item.isEmpty())
          return true;
      return false;
    }

    public SubstanceDefinitionCharacterizationComponent addCharacterization() { //3
      SubstanceDefinitionCharacterizationComponent t = new SubstanceDefinitionCharacterizationComponent();
      if (this.characterization == null)
        this.characterization = new ArrayList<SubstanceDefinitionCharacterizationComponent>();
      this.characterization.add(t);
      return t;
    }

    public SubstanceDefinition addCharacterization(SubstanceDefinitionCharacterizationComponent t) { //3
      if (t == null)
        return this;
      if (this.characterization == null)
        this.characterization = new ArrayList<SubstanceDefinitionCharacterizationComponent>();
      this.characterization.add(t);
      return this;
    }

    /**
     * @return The first repetition of repeating field {@link #characterization}, creating it if it does not already exist {3}
     */
    public SubstanceDefinitionCharacterizationComponent getCharacterizationFirstRep() { 
      if (getCharacterization().isEmpty()) {
        addCharacterization();
      }
      return getCharacterization().get(0);
    }

    /**
     * @return {@link #property} (General specifications for this substance.)
     */
    public List<SubstanceDefinitionPropertyComponent> getProperty() { 
      if (this.property == null)
        this.property = new ArrayList<SubstanceDefinitionPropertyComponent>();
      return this.property;
    }

    /**
     * @return Returns a reference to <code>this</code> for easy method chaining
     */
    public SubstanceDefinition setProperty(List<SubstanceDefinitionPropertyComponent> theProperty) { 
      this.property = theProperty;
      return this;
    }

    public boolean hasProperty() { 
      if (this.property == null)
        return false;
      for (SubstanceDefinitionPropertyComponent item : this.property)
        if (!item.isEmpty())
          return true;
      return false;
    }

    public SubstanceDefinitionPropertyComponent addProperty() { //3
      SubstanceDefinitionPropertyComponent t = new SubstanceDefinitionPropertyComponent();
      if (this.property == null)
        this.property = new ArrayList<SubstanceDefinitionPropertyComponent>();
      this.property.add(t);
      return t;
    }

    public SubstanceDefinition addProperty(SubstanceDefinitionPropertyComponent t) { //3
      if (t == null)
        return this;
      if (this.property == null)
        this.property = new ArrayList<SubstanceDefinitionPropertyComponent>();
      this.property.add(t);
      return this;
    }

    /**
     * @return The first repetition of repeating field {@link #property}, creating it if it does not already exist {3}
     */
    public SubstanceDefinitionPropertyComponent getPropertyFirstRep() { 
      if (getProperty().isEmpty()) {
        addProperty();
      }
      return getProperty().get(0);
    }

    /**
     * @return {@link #referenceInformation} (General information detailing this substance.)
     */
    public Reference getReferenceInformation() { 
      if (this.referenceInformation == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create SubstanceDefinition.referenceInformation");
        else if (Configuration.doAutoCreate())
          this.referenceInformation = new Reference(); // cc
      return this.referenceInformation;
    }

    public boolean hasReferenceInformation() { 
      return this.referenceInformation != null && !this.referenceInformation.isEmpty();
    }

    /**
     * @param value {@link #referenceInformation} (General information detailing this substance.)
     */
    public SubstanceDefinition setReferenceInformation(Reference value) { 
      this.referenceInformation = value;
      return this;
    }

    /**
     * @return {@link #molecularWeight} (The average mass of a molecule of a compound compared to 1/12 the mass of carbon 12 and calculated as the sum of the atomic weights of the constituent atoms.)
     */
    public List<SubstanceDefinitionMolecularWeightComponent> getMolecularWeight() { 
      if (this.molecularWeight == null)
        this.molecularWeight = new ArrayList<SubstanceDefinitionMolecularWeightComponent>();
      return this.molecularWeight;
    }

    /**
     * @return Returns a reference to <code>this</code> for easy method chaining
     */
    public SubstanceDefinition setMolecularWeight(List<SubstanceDefinitionMolecularWeightComponent> theMolecularWeight) { 
      this.molecularWeight = theMolecularWeight;
      return this;
    }

    public boolean hasMolecularWeight() { 
      if (this.molecularWeight == null)
        return false;
      for (SubstanceDefinitionMolecularWeightComponent item : this.molecularWeight)
        if (!item.isEmpty())
          return true;
      return false;
    }

    public SubstanceDefinitionMolecularWeightComponent addMolecularWeight() { //3
      SubstanceDefinitionMolecularWeightComponent t = new SubstanceDefinitionMolecularWeightComponent();
      if (this.molecularWeight == null)
        this.molecularWeight = new ArrayList<SubstanceDefinitionMolecularWeightComponent>();
      this.molecularWeight.add(t);
      return t;
    }

    public SubstanceDefinition addMolecularWeight(SubstanceDefinitionMolecularWeightComponent t) { //3
      if (t == null)
        return this;
      if (this.molecularWeight == null)
        this.molecularWeight = new ArrayList<SubstanceDefinitionMolecularWeightComponent>();
      this.molecularWeight.add(t);
      return this;
    }

    /**
     * @return The first repetition of repeating field {@link #molecularWeight}, creating it if it does not already exist {3}
     */
    public SubstanceDefinitionMolecularWeightComponent getMolecularWeightFirstRep() { 
      if (getMolecularWeight().isEmpty()) {
        addMolecularWeight();
      }
      return getMolecularWeight().get(0);
    }

    /**
     * @return {@link #structure} (Structural information.)
     */
    public SubstanceDefinitionStructureComponent getStructure() { 
      if (this.structure == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create SubstanceDefinition.structure");
        else if (Configuration.doAutoCreate())
          this.structure = new SubstanceDefinitionStructureComponent(); // cc
      return this.structure;
    }

    public boolean hasStructure() { 
      return this.structure != null && !this.structure.isEmpty();
    }

    /**
     * @param value {@link #structure} (Structural information.)
     */
    public SubstanceDefinition setStructure(SubstanceDefinitionStructureComponent value) { 
      this.structure = value;
      return this;
    }

    /**
     * @return {@link #code} (Codes associated with the substance.)
     */
    public List<SubstanceDefinitionCodeComponent> getCode() { 
      if (this.code == null)
        this.code = new ArrayList<SubstanceDefinitionCodeComponent>();
      return this.code;
    }

    /**
     * @return Returns a reference to <code>this</code> for easy method chaining
     */
    public SubstanceDefinition setCode(List<SubstanceDefinitionCodeComponent> theCode) { 
      this.code = theCode;
      return this;
    }

    public boolean hasCode() { 
      if (this.code == null)
        return false;
      for (SubstanceDefinitionCodeComponent item : this.code)
        if (!item.isEmpty())
          return true;
      return false;
    }

    public SubstanceDefinitionCodeComponent addCode() { //3
      SubstanceDefinitionCodeComponent t = new SubstanceDefinitionCodeComponent();
      if (this.code == null)
        this.code = new ArrayList<SubstanceDefinitionCodeComponent>();
      this.code.add(t);
      return t;
    }

    public SubstanceDefinition addCode(SubstanceDefinitionCodeComponent t) { //3
      if (t == null)
        return this;
      if (this.code == null)
        this.code = new ArrayList<SubstanceDefinitionCodeComponent>();
      this.code.add(t);
      return this;
    }

    /**
     * @return The first repetition of repeating field {@link #code}, creating it if it does not already exist {3}
     */
    public SubstanceDefinitionCodeComponent getCodeFirstRep() { 
      if (getCode().isEmpty()) {
        addCode();
      }
      return getCode().get(0);
    }

    /**
     * @return {@link #name} (Names applicable to this substance.)
     */
    public List<SubstanceDefinitionNameComponent> getName() { 
      if (this.name == null)
        this.name = new ArrayList<SubstanceDefinitionNameComponent>();
      return this.name;
    }

    /**
     * @return Returns a reference to <code>this</code> for easy method chaining
     */
    public SubstanceDefinition setName(List<SubstanceDefinitionNameComponent> theName) { 
      this.name = theName;
      return this;
    }

    public boolean hasName() { 
      if (this.name == null)
        return false;
      for (SubstanceDefinitionNameComponent item : this.name)
        if (!item.isEmpty())
          return true;
      return false;
    }

    public SubstanceDefinitionNameComponent addName() { //3
      SubstanceDefinitionNameComponent t = new SubstanceDefinitionNameComponent();
      if (this.name == null)
        this.name = new ArrayList<SubstanceDefinitionNameComponent>();
      this.name.add(t);
      return t;
    }

    public SubstanceDefinition addName(SubstanceDefinitionNameComponent t) { //3
      if (t == null)
        return this;
      if (this.name == null)
        this.name = new ArrayList<SubstanceDefinitionNameComponent>();
      this.name.add(t);
      return this;
    }

    /**
     * @return The first repetition of repeating field {@link #name}, creating it if it does not already exist {3}
     */
    public SubstanceDefinitionNameComponent getNameFirstRep() { 
      if (getName().isEmpty()) {
        addName();
      }
      return getName().get(0);
    }

    /**
     * @return {@link #relationship} (A link between this substance and another, with details of the relationship.)
     */
    public List<SubstanceDefinitionRelationshipComponent> getRelationship() { 
      if (this.relationship == null)
        this.relationship = new ArrayList<SubstanceDefinitionRelationshipComponent>();
      return this.relationship;
    }

    /**
     * @return Returns a reference to <code>this</code> for easy method chaining
     */
    public SubstanceDefinition setRelationship(List<SubstanceDefinitionRelationshipComponent> theRelationship) { 
      this.relationship = theRelationship;
      return this;
    }

    public boolean hasRelationship() { 
      if (this.relationship == null)
        return false;
      for (SubstanceDefinitionRelationshipComponent item : this.relationship)
        if (!item.isEmpty())
          return true;
      return false;
    }

    public SubstanceDefinitionRelationshipComponent addRelationship() { //3
      SubstanceDefinitionRelationshipComponent t = new SubstanceDefinitionRelationshipComponent();
      if (this.relationship == null)
        this.relationship = new ArrayList<SubstanceDefinitionRelationshipComponent>();
      this.relationship.add(t);
      return t;
    }

    public SubstanceDefinition addRelationship(SubstanceDefinitionRelationshipComponent t) { //3
      if (t == null)
        return this;
      if (this.relationship == null)
        this.relationship = new ArrayList<SubstanceDefinitionRelationshipComponent>();
      this.relationship.add(t);
      return this;
    }

    /**
     * @return The first repetition of repeating field {@link #relationship}, creating it if it does not already exist {3}
     */
    public SubstanceDefinitionRelationshipComponent getRelationshipFirstRep() { 
      if (getRelationship().isEmpty()) {
        addRelationship();
      }
      return getRelationship().get(0);
    }

    /**
     * @return {@link #nucleicAcid} (Data items specific to nucleic acids.)
     */
    public Reference getNucleicAcid() { 
      if (this.nucleicAcid == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create SubstanceDefinition.nucleicAcid");
        else if (Configuration.doAutoCreate())
          this.nucleicAcid = new Reference(); // cc
      return this.nucleicAcid;
    }

    public boolean hasNucleicAcid() { 
      return this.nucleicAcid != null && !this.nucleicAcid.isEmpty();
    }

    /**
     * @param value {@link #nucleicAcid} (Data items specific to nucleic acids.)
     */
    public SubstanceDefinition setNucleicAcid(Reference value) { 
      this.nucleicAcid = value;
      return this;
    }

    /**
     * @return {@link #polymer} (Data items specific to polymers.)
     */
    public Reference getPolymer() { 
      if (this.polymer == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create SubstanceDefinition.polymer");
        else if (Configuration.doAutoCreate())
          this.polymer = new Reference(); // cc
      return this.polymer;
    }

    public boolean hasPolymer() { 
      return this.polymer != null && !this.polymer.isEmpty();
    }

    /**
     * @param value {@link #polymer} (Data items specific to polymers.)
     */
    public SubstanceDefinition setPolymer(Reference value) { 
      this.polymer = value;
      return this;
    }

    /**
     * @return {@link #protein} (Data items specific to proteins.)
     */
    public Reference getProtein() { 
      if (this.protein == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create SubstanceDefinition.protein");
        else if (Configuration.doAutoCreate())
          this.protein = new Reference(); // cc
      return this.protein;
    }

    public boolean hasProtein() { 
      return this.protein != null && !this.protein.isEmpty();
    }

    /**
     * @param value {@link #protein} (Data items specific to proteins.)
     */
    public SubstanceDefinition setProtein(Reference value) { 
      this.protein = value;
      return this;
    }

    /**
     * @return {@link #sourceMaterial} (Material or taxonomic/anatomical source for the substance.)
     */
    public SubstanceDefinitionSourceMaterialComponent getSourceMaterial() { 
      if (this.sourceMaterial == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create SubstanceDefinition.sourceMaterial");
        else if (Configuration.doAutoCreate())
          this.sourceMaterial = new SubstanceDefinitionSourceMaterialComponent(); // cc
      return this.sourceMaterial;
    }

    public boolean hasSourceMaterial() { 
      return this.sourceMaterial != null && !this.sourceMaterial.isEmpty();
    }

    /**
     * @param value {@link #sourceMaterial} (Material or taxonomic/anatomical source for the substance.)
     */
    public SubstanceDefinition setSourceMaterial(SubstanceDefinitionSourceMaterialComponent value) { 
      this.sourceMaterial = value;
      return this;
    }

      protected void listChildren(List<Property> children) {
        super.listChildren(children);
        children.add(new Property("identifier", "Identifier", "Identifier by which this substance is known.", 0, java.lang.Integer.MAX_VALUE, identifier));
        children.add(new Property("version", "string", "A business level version identifier of the substance.", 0, 1, version));
        children.add(new Property("status", "CodeableConcept", "Status of substance within the catalogue e.g. active, retired.", 0, 1, status));
        children.add(new Property("classification", "CodeableConcept", "A high level categorization, e.g. polymer or nucleic acid, or food, chemical, biological, or a lower level such as the general types of polymer (linear or branch chain) or type of impurity (process related or contaminant).", 0, java.lang.Integer.MAX_VALUE, classification));
        children.add(new Property("domain", "CodeableConcept", "If the substance applies to human or veterinary use.", 0, 1, domain));
        children.add(new Property("grade", "CodeableConcept", "The quality standard, established benchmark, to which substance complies (e.g. USP/NF, Ph. Eur, JP, BP, Company Standard).", 0, java.lang.Integer.MAX_VALUE, grade));
        children.add(new Property("description", "markdown", "Textual description of the substance.", 0, 1, description));
        children.add(new Property("informationSource", "Reference(Citation)", "Supporting literature.", 0, java.lang.Integer.MAX_VALUE, informationSource));
        children.add(new Property("note", "Annotation", "Textual comment about the substance's catalogue or registry record.", 0, java.lang.Integer.MAX_VALUE, note));
        children.add(new Property("manufacturer", "Reference(Organization)", "The entity that creates, makes, produces or fabricates the substance. This is a set of potential manufacturers but is not necessarily comprehensive.", 0, java.lang.Integer.MAX_VALUE, manufacturer));
        children.add(new Property("supplier", "Reference(Organization)", "An entity that is the source for the substance. It may be different from the manufacturer. Supplier is synonymous to a distributor.", 0, java.lang.Integer.MAX_VALUE, supplier));
        children.add(new Property("moiety", "", "Moiety, for structural modifications.", 0, java.lang.Integer.MAX_VALUE, moiety));
        children.add(new Property("characterization", "", "General specifications for this substance.", 0, java.lang.Integer.MAX_VALUE, characterization));
        children.add(new Property("property", "", "General specifications for this substance.", 0, java.lang.Integer.MAX_VALUE, property));
        children.add(new Property("referenceInformation", "Reference(SubstanceReferenceInformation)", "General information detailing this substance.", 0, 1, referenceInformation));
        children.add(new Property("molecularWeight", "", "The average mass of a molecule of a compound compared to 1/12 the mass of carbon 12 and calculated as the sum of the atomic weights of the constituent atoms.", 0, java.lang.Integer.MAX_VALUE, molecularWeight));
        children.add(new Property("structure", "", "Structural information.", 0, 1, structure));
        children.add(new Property("code", "", "Codes associated with the substance.", 0, java.lang.Integer.MAX_VALUE, code));
        children.add(new Property("name", "", "Names applicable to this substance.", 0, java.lang.Integer.MAX_VALUE, name));
        children.add(new Property("relationship", "", "A link between this substance and another, with details of the relationship.", 0, java.lang.Integer.MAX_VALUE, relationship));
        children.add(new Property("nucleicAcid", "Reference(SubstanceNucleicAcid)", "Data items specific to nucleic acids.", 0, 1, nucleicAcid));
        children.add(new Property("polymer", "Reference(SubstancePolymer)", "Data items specific to polymers.", 0, 1, polymer));
        children.add(new Property("protein", "Reference(SubstanceProtein)", "Data items specific to proteins.", 0, 1, protein));
        children.add(new Property("sourceMaterial", "", "Material or taxonomic/anatomical source for the substance.", 0, 1, sourceMaterial));
      }

      @Override
      public Property getNamedProperty(int _hash, String _name, boolean _checkValid) throws FHIRException {
        switch (_hash) {
        case -1618432855: /*identifier*/  return new Property("identifier", "Identifier", "Identifier by which this substance is known.", 0, java.lang.Integer.MAX_VALUE, identifier);
        case 351608024: /*version*/  return new Property("version", "string", "A business level version identifier of the substance.", 0, 1, version);
        case -892481550: /*status*/  return new Property("status", "CodeableConcept", "Status of substance within the catalogue e.g. active, retired.", 0, 1, status);
        case 382350310: /*classification*/  return new Property("classification", "CodeableConcept", "A high level categorization, e.g. polymer or nucleic acid, or food, chemical, biological, or a lower level such as the general types of polymer (linear or branch chain) or type of impurity (process related or contaminant).", 0, java.lang.Integer.MAX_VALUE, classification);
        case -1326197564: /*domain*/  return new Property("domain", "CodeableConcept", "If the substance applies to human or veterinary use.", 0, 1, domain);
        case 98615255: /*grade*/  return new Property("grade", "CodeableConcept", "The quality standard, established benchmark, to which substance complies (e.g. USP/NF, Ph. Eur, JP, BP, Company Standard).", 0, java.lang.Integer.MAX_VALUE, grade);
        case -1724546052: /*description*/  return new Property("description", "markdown", "Textual description of the substance.", 0, 1, description);
        case -2123220889: /*informationSource*/  return new Property("informationSource", "Reference(Citation)", "Supporting literature.", 0, java.lang.Integer.MAX_VALUE, informationSource);
        case 3387378: /*note*/  return new Property("note", "Annotation", "Textual comment about the substance's catalogue or registry record.", 0, java.lang.Integer.MAX_VALUE, note);
        case -1969347631: /*manufacturer*/  return new Property("manufacturer", "Reference(Organization)", "The entity that creates, makes, produces or fabricates the substance. This is a set of potential manufacturers but is not necessarily comprehensive.", 0, java.lang.Integer.MAX_VALUE, manufacturer);
        case -1663305268: /*supplier*/  return new Property("supplier", "Reference(Organization)", "An entity that is the source for the substance. It may be different from the manufacturer. Supplier is synonymous to a distributor.", 0, java.lang.Integer.MAX_VALUE, supplier);
        case -1068650173: /*moiety*/  return new Property("moiety", "", "Moiety, for structural modifications.", 0, java.lang.Integer.MAX_VALUE, moiety);
        case 23517467: /*characterization*/  return new Property("characterization", "", "General specifications for this substance.", 0, java.lang.Integer.MAX_VALUE, characterization);
        case -993141291: /*property*/  return new Property("property", "", "General specifications for this substance.", 0, java.lang.Integer.MAX_VALUE, property);
        case -2117930783: /*referenceInformation*/  return new Property("referenceInformation", "Reference(SubstanceReferenceInformation)", "General information detailing this substance.", 0, 1, referenceInformation);
        case 635625672: /*molecularWeight*/  return new Property("molecularWeight", "", "The average mass of a molecule of a compound compared to 1/12 the mass of carbon 12 and calculated as the sum of the atomic weights of the constituent atoms.", 0, java.lang.Integer.MAX_VALUE, molecularWeight);
        case 144518515: /*structure*/  return new Property("structure", "", "Structural information.", 0, 1, structure);
        case 3059181: /*code*/  return new Property("code", "", "Codes associated with the substance.", 0, java.lang.Integer.MAX_VALUE, code);
        case 3373707: /*name*/  return new Property("name", "", "Names applicable to this substance.", 0, java.lang.Integer.MAX_VALUE, name);
        case -261851592: /*relationship*/  return new Property("relationship", "", "A link between this substance and another, with details of the relationship.", 0, java.lang.Integer.MAX_VALUE, relationship);
        case 1625275180: /*nucleicAcid*/  return new Property("nucleicAcid", "Reference(SubstanceNucleicAcid)", "Data items specific to nucleic acids.", 0, 1, nucleicAcid);
        case -397514098: /*polymer*/  return new Property("polymer", "Reference(SubstancePolymer)", "Data items specific to polymers.", 0, 1, polymer);
        case -309012605: /*protein*/  return new Property("protein", "Reference(SubstanceProtein)", "Data items specific to proteins.", 0, 1, protein);
        case -1064442270: /*sourceMaterial*/  return new Property("sourceMaterial", "", "Material or taxonomic/anatomical source for the substance.", 0, 1, sourceMaterial);
        default: return super.getNamedProperty(_hash, _name, _checkValid);
        }

      }

      @Override
      public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
        switch (hash) {
        case -1618432855: /*identifier*/ return this.identifier == null ? new Base[0] : this.identifier.toArray(new Base[this.identifier.size()]); // Identifier
        case 351608024: /*version*/ return this.version == null ? new Base[0] : new Base[] {this.version}; // StringType
        case -892481550: /*status*/ return this.status == null ? new Base[0] : new Base[] {this.status}; // CodeableConcept
        case 382350310: /*classification*/ return this.classification == null ? new Base[0] : this.classification.toArray(new Base[this.classification.size()]); // CodeableConcept
        case -1326197564: /*domain*/ return this.domain == null ? new Base[0] : new Base[] {this.domain}; // CodeableConcept
        case 98615255: /*grade*/ return this.grade == null ? new Base[0] : this.grade.toArray(new Base[this.grade.size()]); // CodeableConcept
        case -1724546052: /*description*/ return this.description == null ? new Base[0] : new Base[] {this.description}; // MarkdownType
        case -2123220889: /*informationSource*/ return this.informationSource == null ? new Base[0] : this.informationSource.toArray(new Base[this.informationSource.size()]); // Reference
        case 3387378: /*note*/ return this.note == null ? new Base[0] : this.note.toArray(new Base[this.note.size()]); // Annotation
        case -1969347631: /*manufacturer*/ return this.manufacturer == null ? new Base[0] : this.manufacturer.toArray(new Base[this.manufacturer.size()]); // Reference
        case -1663305268: /*supplier*/ return this.supplier == null ? new Base[0] : this.supplier.toArray(new Base[this.supplier.size()]); // Reference
        case -1068650173: /*moiety*/ return this.moiety == null ? new Base[0] : this.moiety.toArray(new Base[this.moiety.size()]); // SubstanceDefinitionMoietyComponent
        case 23517467: /*characterization*/ return this.characterization == null ? new Base[0] : this.characterization.toArray(new Base[this.characterization.size()]); // SubstanceDefinitionCharacterizationComponent
        case -993141291: /*property*/ return this.property == null ? new Base[0] : this.property.toArray(new Base[this.property.size()]); // SubstanceDefinitionPropertyComponent
        case -2117930783: /*referenceInformation*/ return this.referenceInformation == null ? new Base[0] : new Base[] {this.referenceInformation}; // Reference
        case 635625672: /*molecularWeight*/ return this.molecularWeight == null ? new Base[0] : this.molecularWeight.toArray(new Base[this.molecularWeight.size()]); // SubstanceDefinitionMolecularWeightComponent
        case 144518515: /*structure*/ return this.structure == null ? new Base[0] : new Base[] {this.structure}; // SubstanceDefinitionStructureComponent
        case 3059181: /*code*/ return this.code == null ? new Base[0] : this.code.toArray(new Base[this.code.size()]); // SubstanceDefinitionCodeComponent
        case 3373707: /*name*/ return this.name == null ? new Base[0] : this.name.toArray(new Base[this.name.size()]); // SubstanceDefinitionNameComponent
        case -261851592: /*relationship*/ return this.relationship == null ? new Base[0] : this.relationship.toArray(new Base[this.relationship.size()]); // SubstanceDefinitionRelationshipComponent
        case 1625275180: /*nucleicAcid*/ return this.nucleicAcid == null ? new Base[0] : new Base[] {this.nucleicAcid}; // Reference
        case -397514098: /*polymer*/ return this.polymer == null ? new Base[0] : new Base[] {this.polymer}; // Reference
        case -309012605: /*protein*/ return this.protein == null ? new Base[0] : new Base[] {this.protein}; // Reference
        case -1064442270: /*sourceMaterial*/ return this.sourceMaterial == null ? new Base[0] : new Base[] {this.sourceMaterial}; // SubstanceDefinitionSourceMaterialComponent
        default: return super.getProperty(hash, name, checkValid);
        }

      }

      @Override
      public Base setProperty(int hash, String name, Base value) throws FHIRException {
        switch (hash) {
        case -1618432855: // identifier
          this.getIdentifier().add(TypeConvertor.castToIdentifier(value)); // Identifier
          return value;
        case 351608024: // version
          this.version = TypeConvertor.castToString(value); // StringType
          return value;
        case -892481550: // status
          this.status = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case 382350310: // classification
          this.getClassification().add(TypeConvertor.castToCodeableConcept(value)); // CodeableConcept
          return value;
        case -1326197564: // domain
          this.domain = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
          return value;
        case 98615255: // grade
          this.getGrade().add(TypeConvertor.castToCodeableConcept(value)); // CodeableConcept
          return value;
        case -1724546052: // description
          this.description = TypeConvertor.castToMarkdown(value); // MarkdownType
          return value;
        case -2123220889: // informationSource
          this.getInformationSource().add(TypeConvertor.castToReference(value)); // Reference
          return value;
        case 3387378: // note
          this.getNote().add(TypeConvertor.castToAnnotation(value)); // Annotation
          return value;
        case -1969347631: // manufacturer
          this.getManufacturer().add(TypeConvertor.castToReference(value)); // Reference
          return value;
        case -1663305268: // supplier
          this.getSupplier().add(TypeConvertor.castToReference(value)); // Reference
          return value;
        case -1068650173: // moiety
          this.getMoiety().add((SubstanceDefinitionMoietyComponent) value); // SubstanceDefinitionMoietyComponent
          return value;
        case 23517467: // characterization
          this.getCharacterization().add((SubstanceDefinitionCharacterizationComponent) value); // SubstanceDefinitionCharacterizationComponent
          return value;
        case -993141291: // property
          this.getProperty().add((SubstanceDefinitionPropertyComponent) value); // SubstanceDefinitionPropertyComponent
          return value;
        case -2117930783: // referenceInformation
          this.referenceInformation = TypeConvertor.castToReference(value); // Reference
          return value;
        case 635625672: // molecularWeight
          this.getMolecularWeight().add((SubstanceDefinitionMolecularWeightComponent) value); // SubstanceDefinitionMolecularWeightComponent
          return value;
        case 144518515: // structure
          this.structure = (SubstanceDefinitionStructureComponent) value; // SubstanceDefinitionStructureComponent
          return value;
        case 3059181: // code
          this.getCode().add((SubstanceDefinitionCodeComponent) value); // SubstanceDefinitionCodeComponent
          return value;
        case 3373707: // name
          this.getName().add((SubstanceDefinitionNameComponent) value); // SubstanceDefinitionNameComponent
          return value;
        case -261851592: // relationship
          this.getRelationship().add((SubstanceDefinitionRelationshipComponent) value); // SubstanceDefinitionRelationshipComponent
          return value;
        case 1625275180: // nucleicAcid
          this.nucleicAcid = TypeConvertor.castToReference(value); // Reference
          return value;
        case -397514098: // polymer
          this.polymer = TypeConvertor.castToReference(value); // Reference
          return value;
        case -309012605: // protein
          this.protein = TypeConvertor.castToReference(value); // Reference
          return value;
        case -1064442270: // sourceMaterial
          this.sourceMaterial = (SubstanceDefinitionSourceMaterialComponent) value; // SubstanceDefinitionSourceMaterialComponent
          return value;
        default: return super.setProperty(hash, name, value);
        }

      }

      @Override
      public Base setProperty(String name, Base value) throws FHIRException {
        if (name.equals("identifier")) {
          this.getIdentifier().add(TypeConvertor.castToIdentifier(value));
        } else if (name.equals("version")) {
          this.version = TypeConvertor.castToString(value); // StringType
        } else if (name.equals("status")) {
          this.status = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("classification")) {
          this.getClassification().add(TypeConvertor.castToCodeableConcept(value));
        } else if (name.equals("domain")) {
          this.domain = TypeConvertor.castToCodeableConcept(value); // CodeableConcept
        } else if (name.equals("grade")) {
          this.getGrade().add(TypeConvertor.castToCodeableConcept(value));
        } else if (name.equals("description")) {
          this.description = TypeConvertor.castToMarkdown(value); // MarkdownType
        } else if (name.equals("informationSource")) {
          this.getInformationSource().add(TypeConvertor.castToReference(value));
        } else if (name.equals("note")) {
          this.getNote().add(TypeConvertor.castToAnnotation(value));
        } else if (name.equals("manufacturer")) {
          this.getManufacturer().add(TypeConvertor.castToReference(value));
        } else if (name.equals("supplier")) {
          this.getSupplier().add(TypeConvertor.castToReference(value));
        } else if (name.equals("moiety")) {
          this.getMoiety().add((SubstanceDefinitionMoietyComponent) value);
        } else if (name.equals("characterization")) {
          this.getCharacterization().add((SubstanceDefinitionCharacterizationComponent) value);
        } else if (name.equals("property")) {
          this.getProperty().add((SubstanceDefinitionPropertyComponent) value);
        } else if (name.equals("referenceInformation")) {
          this.referenceInformation = TypeConvertor.castToReference(value); // Reference
        } else if (name.equals("molecularWeight")) {
          this.getMolecularWeight().add((SubstanceDefinitionMolecularWeightComponent) value);
        } else if (name.equals("structure")) {
          this.structure = (SubstanceDefinitionStructureComponent) value; // SubstanceDefinitionStructureComponent
        } else if (name.equals("code")) {
          this.getCode().add((SubstanceDefinitionCodeComponent) value);
        } else if (name.equals("name")) {
          this.getName().add((SubstanceDefinitionNameComponent) value);
        } else if (name.equals("relationship")) {
          this.getRelationship().add((SubstanceDefinitionRelationshipComponent) value);
        } else if (name.equals("nucleicAcid")) {
          this.nucleicAcid = TypeConvertor.castToReference(value); // Reference
        } else if (name.equals("polymer")) {
          this.polymer = TypeConvertor.castToReference(value); // Reference
        } else if (name.equals("protein")) {
          this.protein = TypeConvertor.castToReference(value); // Reference
        } else if (name.equals("sourceMaterial")) {
          this.sourceMaterial = (SubstanceDefinitionSourceMaterialComponent) value; // SubstanceDefinitionSourceMaterialComponent
        } else
          return super.setProperty(name, value);
        return value;
      }

  @Override
  public void removeChild(String name, Base value) throws FHIRException {
        if (name.equals("identifier")) {
          this.getIdentifier().remove(value);
        } else if (name.equals("version")) {
          this.version = null;
        } else if (name.equals("status")) {
          this.status = null;
        } else if (name.equals("classification")) {
          this.getClassification().remove(value);
        } else if (name.equals("domain")) {
          this.domain = null;
        } else if (name.equals("grade")) {
          this.getGrade().remove(value);
        } else if (name.equals("description")) {
          this.description = null;
        } else if (name.equals("informationSource")) {
          this.getInformationSource().remove(value);
        } else if (name.equals("note")) {
          this.getNote().remove(value);
        } else if (name.equals("manufacturer")) {
          this.getManufacturer().remove(value);
        } else if (name.equals("supplier")) {
          this.getSupplier().remove(value);
        } else if (name.equals("moiety")) {
          this.getMoiety().remove((SubstanceDefinitionMoietyComponent) value);
        } else if (name.equals("characterization")) {
          this.getCharacterization().remove((SubstanceDefinitionCharacterizationComponent) value);
        } else if (name.equals("property")) {
          this.getProperty().remove((SubstanceDefinitionPropertyComponent) value);
        } else if (name.equals("referenceInformation")) {
          this.referenceInformation = null;
        } else if (name.equals("molecularWeight")) {
          this.getMolecularWeight().remove((SubstanceDefinitionMolecularWeightComponent) value);
        } else if (name.equals("structure")) {
          this.structure = (SubstanceDefinitionStructureComponent) value; // SubstanceDefinitionStructureComponent
        } else if (name.equals("code")) {
          this.getCode().remove((SubstanceDefinitionCodeComponent) value);
        } else if (name.equals("name")) {
          this.getName().remove((SubstanceDefinitionNameComponent) value);
        } else if (name.equals("relationship")) {
          this.getRelationship().remove((SubstanceDefinitionRelationshipComponent) value);
        } else if (name.equals("nucleicAcid")) {
          this.nucleicAcid = null;
        } else if (name.equals("polymer")) {
          this.polymer = null;
        } else if (name.equals("protein")) {
          this.protein = null;
        } else if (name.equals("sourceMaterial")) {
          this.sourceMaterial = (SubstanceDefinitionSourceMaterialComponent) value; // SubstanceDefinitionSourceMaterialComponent
        } else
          super.removeChild(name, value);
        
      }

      @Override
      public Base makeProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case -1618432855:  return addIdentifier(); 
        case 351608024:  return getVersionElement();
        case -892481550:  return getStatus();
        case 382350310:  return addClassification(); 
        case -1326197564:  return getDomain();
        case 98615255:  return addGrade(); 
        case -1724546052:  return getDescriptionElement();
        case -2123220889:  return addInformationSource(); 
        case 3387378:  return addNote(); 
        case -1969347631:  return addManufacturer(); 
        case -1663305268:  return addSupplier(); 
        case -1068650173:  return addMoiety(); 
        case 23517467:  return addCharacterization(); 
        case -993141291:  return addProperty(); 
        case -2117930783:  return getReferenceInformation();
        case 635625672:  return addMolecularWeight(); 
        case 144518515:  return getStructure();
        case 3059181:  return addCode(); 
        case 3373707:  return addName(); 
        case -261851592:  return addRelationship(); 
        case 1625275180:  return getNucleicAcid();
        case -397514098:  return getPolymer();
        case -309012605:  return getProtein();
        case -1064442270:  return getSourceMaterial();
        default: return super.makeProperty(hash, name);
        }

      }

      @Override
      public String[] getTypesForProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case -1618432855: /*identifier*/ return new String[] {"Identifier"};
        case 351608024: /*version*/ return new String[] {"string"};
        case -892481550: /*status*/ return new String[] {"CodeableConcept"};
        case 382350310: /*classification*/ return new String[] {"CodeableConcept"};
        case -1326197564: /*domain*/ return new String[] {"CodeableConcept"};
        case 98615255: /*grade*/ return new String[] {"CodeableConcept"};
        case -1724546052: /*description*/ return new String[] {"markdown"};
        case -2123220889: /*informationSource*/ return new String[] {"Reference"};
        case 3387378: /*note*/ return new String[] {"Annotation"};
        case -1969347631: /*manufacturer*/ return new String[] {"Reference"};
        case -1663305268: /*supplier*/ return new String[] {"Reference"};
        case -1068650173: /*moiety*/ return new String[] {};
        case 23517467: /*characterization*/ return new String[] {};
        case -993141291: /*property*/ return new String[] {};
        case -2117930783: /*referenceInformation*/ return new String[] {"Reference"};
        case 635625672: /*molecularWeight*/ return new String[] {};
        case 144518515: /*structure*/ return new String[] {};
        case 3059181: /*code*/ return new String[] {};
        case 3373707: /*name*/ return new String[] {};
        case -261851592: /*relationship*/ return new String[] {};
        case 1625275180: /*nucleicAcid*/ return new String[] {"Reference"};
        case -397514098: /*polymer*/ return new String[] {"Reference"};
        case -309012605: /*protein*/ return new String[] {"Reference"};
        case -1064442270: /*sourceMaterial*/ return new String[] {};
        default: return super.getTypesForProperty(hash, name);
        }

      }

      @Override
      public Base addChild(String name) throws FHIRException {
        if (name.equals("identifier")) {
          return addIdentifier();
        }
        else if (name.equals("version")) {
          throw new FHIRException("Cannot call addChild on a singleton property SubstanceDefinition.version");
        }
        else if (name.equals("status")) {
          this.status = new CodeableConcept();
          return this.status;
        }
        else if (name.equals("classification")) {
          return addClassification();
        }
        else if (name.equals("domain")) {
          this.domain = new CodeableConcept();
          return this.domain;
        }
        else if (name.equals("grade")) {
          return addGrade();
        }
        else if (name.equals("description")) {
          throw new FHIRException("Cannot call addChild on a singleton property SubstanceDefinition.description");
        }
        else if (name.equals("informationSource")) {
          return addInformationSource();
        }
        else if (name.equals("note")) {
          return addNote();
        }
        else if (name.equals("manufacturer")) {
          return addManufacturer();
        }
        else if (name.equals("supplier")) {
          return addSupplier();
        }
        else if (name.equals("moiety")) {
          return addMoiety();
        }
        else if (name.equals("characterization")) {
          return addCharacterization();
        }
        else if (name.equals("property")) {
          return addProperty();
        }
        else if (name.equals("referenceInformation")) {
          this.referenceInformation = new Reference();
          return this.referenceInformation;
        }
        else if (name.equals("molecularWeight")) {
          return addMolecularWeight();
        }
        else if (name.equals("structure")) {
          this.structure = new SubstanceDefinitionStructureComponent();
          return this.structure;
        }
        else if (name.equals("code")) {
          return addCode();
        }
        else if (name.equals("name")) {
          return addName();
        }
        else if (name.equals("relationship")) {
          return addRelationship();
        }
        else if (name.equals("nucleicAcid")) {
          this.nucleicAcid = new Reference();
          return this.nucleicAcid;
        }
        else if (name.equals("polymer")) {
          this.polymer = new Reference();
          return this.polymer;
        }
        else if (name.equals("protein")) {
          this.protein = new Reference();
          return this.protein;
        }
        else if (name.equals("sourceMaterial")) {
          this.sourceMaterial = new SubstanceDefinitionSourceMaterialComponent();
          return this.sourceMaterial;
        }
        else
          return super.addChild(name);
      }

  public String fhirType() {
    return "SubstanceDefinition";

  }

      public SubstanceDefinition copy() {
        SubstanceDefinition dst = new SubstanceDefinition();
        copyValues(dst);
        return dst;
      }

      public void copyValues(SubstanceDefinition dst) {
        super.copyValues(dst);
        if (identifier != null) {
          dst.identifier = new ArrayList<Identifier>();
          for (Identifier i : identifier)
            dst.identifier.add(i.copy());
        };
        dst.version = version == null ? null : version.copy();
        dst.status = status == null ? null : status.copy();
        if (classification != null) {
          dst.classification = new ArrayList<CodeableConcept>();
          for (CodeableConcept i : classification)
            dst.classification.add(i.copy());
        };
        dst.domain = domain == null ? null : domain.copy();
        if (grade != null) {
          dst.grade = new ArrayList<CodeableConcept>();
          for (CodeableConcept i : grade)
            dst.grade.add(i.copy());
        };
        dst.description = description == null ? null : description.copy();
        if (informationSource != null) {
          dst.informationSource = new ArrayList<Reference>();
          for (Reference i : informationSource)
            dst.informationSource.add(i.copy());
        };
        if (note != null) {
          dst.note = new ArrayList<Annotation>();
          for (Annotation i : note)
            dst.note.add(i.copy());
        };
        if (manufacturer != null) {
          dst.manufacturer = new ArrayList<Reference>();
          for (Reference i : manufacturer)
            dst.manufacturer.add(i.copy());
        };
        if (supplier != null) {
          dst.supplier = new ArrayList<Reference>();
          for (Reference i : supplier)
            dst.supplier.add(i.copy());
        };
        if (moiety != null) {
          dst.moiety = new ArrayList<SubstanceDefinitionMoietyComponent>();
          for (SubstanceDefinitionMoietyComponent i : moiety)
            dst.moiety.add(i.copy());
        };
        if (characterization != null) {
          dst.characterization = new ArrayList<SubstanceDefinitionCharacterizationComponent>();
          for (SubstanceDefinitionCharacterizationComponent i : characterization)
            dst.characterization.add(i.copy());
        };
        if (property != null) {
          dst.property = new ArrayList<SubstanceDefinitionPropertyComponent>();
          for (SubstanceDefinitionPropertyComponent i : property)
            dst.property.add(i.copy());
        };
        dst.referenceInformation = referenceInformation == null ? null : referenceInformation.copy();
        if (molecularWeight != null) {
          dst.molecularWeight = new ArrayList<SubstanceDefinitionMolecularWeightComponent>();
          for (SubstanceDefinitionMolecularWeightComponent i : molecularWeight)
            dst.molecularWeight.add(i.copy());
        };
        dst.structure = structure == null ? null : structure.copy();
        if (code != null) {
          dst.code = new ArrayList<SubstanceDefinitionCodeComponent>();
          for (SubstanceDefinitionCodeComponent i : code)
            dst.code.add(i.copy());
        };
        if (name != null) {
          dst.name = new ArrayList<SubstanceDefinitionNameComponent>();
          for (SubstanceDefinitionNameComponent i : name)
            dst.name.add(i.copy());
        };
        if (relationship != null) {
          dst.relationship = new ArrayList<SubstanceDefinitionRelationshipComponent>();
          for (SubstanceDefinitionRelationshipComponent i : relationship)
            dst.relationship.add(i.copy());
        };
        dst.nucleicAcid = nucleicAcid == null ? null : nucleicAcid.copy();
        dst.polymer = polymer == null ? null : polymer.copy();
        dst.protein = protein == null ? null : protein.copy();
        dst.sourceMaterial = sourceMaterial == null ? null : sourceMaterial.copy();
      }

      protected SubstanceDefinition typedCopy() {
        return copy();
      }

      @Override
      public boolean equalsDeep(Base other_) {
        if (!super.equalsDeep(other_))
          return false;
        if (!(other_ instanceof SubstanceDefinition))
          return false;
        SubstanceDefinition o = (SubstanceDefinition) other_;
        return compareDeep(identifier, o.identifier, true) && compareDeep(version, o.version, true) && compareDeep(status, o.status, true)
           && compareDeep(classification, o.classification, true) && compareDeep(domain, o.domain, true) && compareDeep(grade, o.grade, true)
           && compareDeep(description, o.description, true) && compareDeep(informationSource, o.informationSource, true)
           && compareDeep(note, o.note, true) && compareDeep(manufacturer, o.manufacturer, true) && compareDeep(supplier, o.supplier, true)
           && compareDeep(moiety, o.moiety, true) && compareDeep(characterization, o.characterization, true)
           && compareDeep(property, o.property, true) && compareDeep(referenceInformation, o.referenceInformation, true)
           && compareDeep(molecularWeight, o.molecularWeight, true) && compareDeep(structure, o.structure, true)
           && compareDeep(code, o.code, true) && compareDeep(name, o.name, true) && compareDeep(relationship, o.relationship, true)
           && compareDeep(nucleicAcid, o.nucleicAcid, true) && compareDeep(polymer, o.polymer, true) && compareDeep(protein, o.protein, true)
           && compareDeep(sourceMaterial, o.sourceMaterial, true);
      }

      @Override
      public boolean equalsShallow(Base other_) {
        if (!super.equalsShallow(other_))
          return false;
        if (!(other_ instanceof SubstanceDefinition))
          return false;
        SubstanceDefinition o = (SubstanceDefinition) other_;
        return compareValues(version, o.version, true) && compareValues(description, o.description, true);
      }

      public boolean isEmpty() {
        return super.isEmpty() && ca.uhn.fhir.util.ElementUtil.isEmpty(identifier, version, status
          , classification, domain, grade, description, informationSource, note, manufacturer
          , supplier, moiety, characterization, property, referenceInformation, molecularWeight
          , structure, code, name, relationship, nucleicAcid, polymer, protein, sourceMaterial
          );
      }

  @Override
  public ResourceType getResourceType() {
    return ResourceType.SubstanceDefinition;
   }

 /**
   * Search parameter: <b>classification</b>
   * <p>
   * Description: <b>High or low level categorization, e.g. polymer vs. nucleic acid or linear vs. branch chain</b><br>
   * Type: <b>token</b><br>
   * Path: <b>SubstanceDefinition.classification</b><br>
   * </p>
   */
  @SearchParamDefinition(name="classification", path="SubstanceDefinition.classification", description="High or low level categorization, e.g. polymer vs. nucleic acid or linear vs. branch chain", type="token" )
  public static final String SP_CLASSIFICATION = "classification";
 /**
   * <b>Fluent Client</b> search parameter constant for <b>classification</b>
   * <p>
   * Description: <b>High or low level categorization, e.g. polymer vs. nucleic acid or linear vs. branch chain</b><br>
   * Type: <b>token</b><br>
   * Path: <b>SubstanceDefinition.classification</b><br>
   * </p>
   */
  public static final ca.uhn.fhir.rest.gclient.TokenClientParam CLASSIFICATION = new ca.uhn.fhir.rest.gclient.TokenClientParam(SP_CLASSIFICATION);

 /**
   * Search parameter: <b>code</b>
   * <p>
   * Description: <b>The specific code</b><br>
   * Type: <b>token</b><br>
   * Path: <b>SubstanceDefinition.code.code</b><br>
   * </p>
   */
  @SearchParamDefinition(name="code", path="SubstanceDefinition.code.code", description="The specific code", type="token" )
  public static final String SP_CODE = "code";
 /**
   * <b>Fluent Client</b> search parameter constant for <b>code</b>
   * <p>
   * Description: <b>The specific code</b><br>
   * Type: <b>token</b><br>
   * Path: <b>SubstanceDefinition.code.code</b><br>
   * </p>
   */
  public static final ca.uhn.fhir.rest.gclient.TokenClientParam CODE = new ca.uhn.fhir.rest.gclient.TokenClientParam(SP_CODE);

 /**
   * Search parameter: <b>domain</b>
   * <p>
   * Description: <b>If the substance applies to only human or veterinary use</b><br>
   * Type: <b>token</b><br>
   * Path: <b>SubstanceDefinition.domain</b><br>
   * </p>
   */
  @SearchParamDefinition(name="domain", path="SubstanceDefinition.domain", description="If the substance applies to only human or veterinary use", type="token" )
  public static final String SP_DOMAIN = "domain";
 /**
   * <b>Fluent Client</b> search parameter constant for <b>domain</b>
   * <p>
   * Description: <b>If the substance applies to only human or veterinary use</b><br>
   * Type: <b>token</b><br>
   * Path: <b>SubstanceDefinition.domain</b><br>
   * </p>
   */
  public static final ca.uhn.fhir.rest.gclient.TokenClientParam DOMAIN = new ca.uhn.fhir.rest.gclient.TokenClientParam(SP_DOMAIN);

 /**
   * Search parameter: <b>identifier</b>
   * <p>
   * Description: <b>Identifier by which this substance is known</b><br>
   * Type: <b>token</b><br>
   * Path: <b>SubstanceDefinition.identifier</b><br>
   * </p>
   */
  @SearchParamDefinition(name="identifier", path="SubstanceDefinition.identifier", description="Identifier by which this substance is known", type="token" )
  public static final String SP_IDENTIFIER = "identifier";
 /**
   * <b>Fluent Client</b> search parameter constant for <b>identifier</b>
   * <p>
   * Description: <b>Identifier by which this substance is known</b><br>
   * Type: <b>token</b><br>
   * Path: <b>SubstanceDefinition.identifier</b><br>
   * </p>
   */
  public static final ca.uhn.fhir.rest.gclient.TokenClientParam IDENTIFIER = new ca.uhn.fhir.rest.gclient.TokenClientParam(SP_IDENTIFIER);

 /**
   * Search parameter: <b>name</b>
   * <p>
   * Description: <b>The actual name</b><br>
   * Type: <b>string</b><br>
   * Path: <b>SubstanceDefinition.name.name</b><br>
   * </p>
   */
  @SearchParamDefinition(name="name", path="SubstanceDefinition.name.name", description="The actual name", type="string" )
  public static final String SP_NAME = "name";
 /**
   * <b>Fluent Client</b> search parameter constant for <b>name</b>
   * <p>
   * Description: <b>The actual name</b><br>
   * Type: <b>string</b><br>
   * Path: <b>SubstanceDefinition.name.name</b><br>
   * </p>
   */
  public static final ca.uhn.fhir.rest.gclient.StringClientParam NAME = new ca.uhn.fhir.rest.gclient.StringClientParam(SP_NAME);


}