package org.hl7.fhir.dstu2.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 Wed, Jul 13, 2016 05:32+1000 for FHIR v1.0.2
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import ca.uhn.fhir.model.api.annotation.Block;
import ca.uhn.fhir.model.api.annotation.Child;
import ca.uhn.fhir.model.api.annotation.Description;
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 org.hl7.fhir.exceptions.FHIRException;
import org.hl7.fhir.utilities.Utilities;

/**
 * A set of healthcare-related information that is assembled together into a
 * single logical document that provides a single coherent statement of meaning,
 * establishes its own context and that has clinical attestation with regard to
 * who is making the statement. While a Composition defines the structure, it
 * does not actually contain the content: rather the full content of a document
 * is contained in a Bundle, of which the Composition is the first resource
 * contained.
 */
@ResourceDef(name = "Composition", profile = "http://hl7.org/fhir/Profile/Composition")
public class Composition extends DomainResource {

  public enum CompositionStatus {
    /**
     * This is a preliminary composition or document (also known as initial or
     * interim). The content may be incomplete or unverified.
     */
    PRELIMINARY,
    /**
     * This version of the composition is complete and verified by an appropriate
     * person and no further work is planned. Any subsequent updates would be on a
     * new version of the composition.
     */
    FINAL,
    /**
     * The composition content or the referenced resources have been modified
     * (edited or added to) subsequent to being released as "final" and the
     * composition is complete and verified by an authorized person.
     */
    AMENDED,
    /**
     * The composition or document was originally created/issued in error, and this
     * is an amendment that marks that the entire series should not be considered as
     * valid.
     */
    ENTEREDINERROR,
    /**
     * added to help the parsers
     */
    NULL;

    public static CompositionStatus fromCode(String codeString) throws FHIRException {
      if (codeString == null || "".equals(codeString))
        return null;
      if ("preliminary".equals(codeString))
        return PRELIMINARY;
      if ("final".equals(codeString))
        return FINAL;
      if ("amended".equals(codeString))
        return AMENDED;
      if ("entered-in-error".equals(codeString))
        return ENTEREDINERROR;
      throw new FHIRException("Unknown CompositionStatus code '" + codeString + "'");
    }

    public String toCode() {
      switch (this) {
      case PRELIMINARY:
        return "preliminary";
      case FINAL:
        return "final";
      case AMENDED:
        return "amended";
      case ENTEREDINERROR:
        return "entered-in-error";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getSystem() {
      switch (this) {
      case PRELIMINARY:
        return "http://hl7.org/fhir/composition-status";
      case FINAL:
        return "http://hl7.org/fhir/composition-status";
      case AMENDED:
        return "http://hl7.org/fhir/composition-status";
      case ENTEREDINERROR:
        return "http://hl7.org/fhir/composition-status";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getDefinition() {
      switch (this) {
      case PRELIMINARY:
        return "This is a preliminary composition or document (also known as initial or interim). The content may be incomplete or unverified.";
      case FINAL:
        return "This version of the composition is complete and verified by an appropriate person and no further work is planned. Any subsequent updates would be on a new version of the composition.";
      case AMENDED:
        return "The composition content or the referenced resources have been modified (edited or added to) subsequent to being released as \"final\" and the composition is complete and verified by an authorized person.";
      case ENTEREDINERROR:
        return "The composition or document was originally created/issued in error, and this is an amendment that marks that the entire series should not be considered as valid.";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getDisplay() {
      switch (this) {
      case PRELIMINARY:
        return "Preliminary";
      case FINAL:
        return "Final";
      case AMENDED:
        return "Amended";
      case ENTEREDINERROR:
        return "Entered in Error";
      case NULL:
        return null;
      default:
        return "?";
      }
    }
  }

  public static class CompositionStatusEnumFactory implements EnumFactory<CompositionStatus> {
    public CompositionStatus fromCode(String codeString) throws IllegalArgumentException {
      if (codeString == null || "".equals(codeString))
        if (codeString == null || "".equals(codeString))
          return null;
      if ("preliminary".equals(codeString))
        return CompositionStatus.PRELIMINARY;
      if ("final".equals(codeString))
        return CompositionStatus.FINAL;
      if ("amended".equals(codeString))
        return CompositionStatus.AMENDED;
      if ("entered-in-error".equals(codeString))
        return CompositionStatus.ENTEREDINERROR;
      throw new IllegalArgumentException("Unknown CompositionStatus code '" + codeString + "'");
    }

    public Enumeration<CompositionStatus> fromType(Base code) throws FHIRException {
      if (code == null || code.isEmpty())
        return null;
      String codeString = ((PrimitiveType) code).asStringValue();
      if (codeString == null || "".equals(codeString))
        return null;
      if ("preliminary".equals(codeString))
        return new Enumeration<CompositionStatus>(this, CompositionStatus.PRELIMINARY);
      if ("final".equals(codeString))
        return new Enumeration<CompositionStatus>(this, CompositionStatus.FINAL);
      if ("amended".equals(codeString))
        return new Enumeration<CompositionStatus>(this, CompositionStatus.AMENDED);
      if ("entered-in-error".equals(codeString))
        return new Enumeration<CompositionStatus>(this, CompositionStatus.ENTEREDINERROR);
      throw new FHIRException("Unknown CompositionStatus code '" + codeString + "'");
    }

    public String toCode(CompositionStatus code)
   {
       if (code == CompositionStatus.NULL)
           return null;
       if (code == CompositionStatus.PRELIMINARY)
        return "preliminary";
      if (code == CompositionStatus.FINAL)
        return "final";
      if (code == CompositionStatus.AMENDED)
        return "amended";
      if (code == CompositionStatus.ENTEREDINERROR)
        return "entered-in-error";
      return "?";
   }
  }

  public enum CompositionAttestationMode {
    /**
     * The person authenticated the content in their personal capacity.
     */
    PERSONAL,
    /**
     * The person authenticated the content in their professional capacity.
     */
    PROFESSIONAL,
    /**
     * The person authenticated the content and accepted legal responsibility for
     * its content.
     */
    LEGAL,
    /**
     * The organization authenticated the content as consistent with their policies
     * and procedures.
     */
    OFFICIAL,
    /**
     * added to help the parsers
     */
    NULL;

    public static CompositionAttestationMode fromCode(String codeString) throws FHIRException {
      if (codeString == null || "".equals(codeString))
        return null;
      if ("personal".equals(codeString))
        return PERSONAL;
      if ("professional".equals(codeString))
        return PROFESSIONAL;
      if ("legal".equals(codeString))
        return LEGAL;
      if ("official".equals(codeString))
        return OFFICIAL;
      throw new FHIRException("Unknown CompositionAttestationMode code '" + codeString + "'");
    }

    public String toCode() {
      switch (this) {
      case PERSONAL:
        return "personal";
      case PROFESSIONAL:
        return "professional";
      case LEGAL:
        return "legal";
      case OFFICIAL:
        return "official";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getSystem() {
      switch (this) {
      case PERSONAL:
        return "http://hl7.org/fhir/composition-attestation-mode";
      case PROFESSIONAL:
        return "http://hl7.org/fhir/composition-attestation-mode";
      case LEGAL:
        return "http://hl7.org/fhir/composition-attestation-mode";
      case OFFICIAL:
        return "http://hl7.org/fhir/composition-attestation-mode";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getDefinition() {
      switch (this) {
      case PERSONAL:
        return "The person authenticated the content in their personal capacity.";
      case PROFESSIONAL:
        return "The person authenticated the content in their professional capacity.";
      case LEGAL:
        return "The person authenticated the content and accepted legal responsibility for its content.";
      case OFFICIAL:
        return "The organization authenticated the content as consistent with their policies and procedures.";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getDisplay() {
      switch (this) {
      case PERSONAL:
        return "Personal";
      case PROFESSIONAL:
        return "Professional";
      case LEGAL:
        return "Legal";
      case OFFICIAL:
        return "Official";
      case NULL:
        return null;
      default:
        return "?";
      }
    }
  }

  public static class CompositionAttestationModeEnumFactory implements EnumFactory<CompositionAttestationMode> {
    public CompositionAttestationMode fromCode(String codeString) throws IllegalArgumentException {
      if (codeString == null || "".equals(codeString))
        if (codeString == null || "".equals(codeString))
          return null;
      if ("personal".equals(codeString))
        return CompositionAttestationMode.PERSONAL;
      if ("professional".equals(codeString))
        return CompositionAttestationMode.PROFESSIONAL;
      if ("legal".equals(codeString))
        return CompositionAttestationMode.LEGAL;
      if ("official".equals(codeString))
        return CompositionAttestationMode.OFFICIAL;
      throw new IllegalArgumentException("Unknown CompositionAttestationMode code '" + codeString + "'");
    }

    public Enumeration<CompositionAttestationMode> fromType(Base code) throws FHIRException {
      if (code == null || code.isEmpty())
        return null;
      String codeString = ((PrimitiveType) code).asStringValue();
      if (codeString == null || "".equals(codeString))
        return null;
      if ("personal".equals(codeString))
        return new Enumeration<CompositionAttestationMode>(this, CompositionAttestationMode.PERSONAL);
      if ("professional".equals(codeString))
        return new Enumeration<CompositionAttestationMode>(this, CompositionAttestationMode.PROFESSIONAL);
      if ("legal".equals(codeString))
        return new Enumeration<CompositionAttestationMode>(this, CompositionAttestationMode.LEGAL);
      if ("official".equals(codeString))
        return new Enumeration<CompositionAttestationMode>(this, CompositionAttestationMode.OFFICIAL);
      throw new FHIRException("Unknown CompositionAttestationMode code '" + codeString + "'");
    }

    public String toCode(CompositionAttestationMode code)
   {
       if (code == CompositionAttestationMode.NULL)
           return null;
       if (code == CompositionAttestationMode.PERSONAL)
        return "personal";
      if (code == CompositionAttestationMode.PROFESSIONAL)
        return "professional";
      if (code == CompositionAttestationMode.LEGAL)
        return "legal";
      if (code == CompositionAttestationMode.OFFICIAL)
        return "official";
      return "?";
   }
  }

  @Block()
  public static class CompositionAttesterComponent extends BackboneElement implements IBaseBackboneElement {
    /**
     * The type of attestation the authenticator offers.
     */
    @Child(name = "mode", type = {
        CodeType.class }, order = 1, min = 1, max = Child.MAX_UNLIMITED, modifier = false, summary = true)
    @Description(shortDefinition = "personal | professional | legal | official", formalDefinition = "The type of attestation the authenticator offers.")
    protected List<Enumeration<CompositionAttestationMode>> mode;

    /**
     * When composition was attested by the party.
     */
    @Child(name = "time", type = { DateTimeType.class }, order = 2, min = 0, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "When composition attested", formalDefinition = "When composition was attested by the party.")
    protected DateTimeType time;

    /**
     * Who attested the composition in the specified way.
     */
    @Child(name = "party", type = { Patient.class, Practitioner.class,
        Organization.class }, order = 3, min = 0, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "Who attested the composition", formalDefinition = "Who attested the composition in the specified way.")
    protected Reference party;

    /**
     * The actual object that is the target of the reference (Who attested the
     * composition in the specified way.)
     */
    protected Resource partyTarget;

    private static final long serialVersionUID = -436604745L;

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

    /**
     * @return {@link #mode} (The type of attestation the authenticator offers.)
     */
    public List<Enumeration<CompositionAttestationMode>> getMode() {
      if (this.mode == null)
        this.mode = new ArrayList<Enumeration<CompositionAttestationMode>>();
      return this.mode;
    }

    public boolean hasMode() {
      if (this.mode == null)
        return false;
      for (Enumeration<CompositionAttestationMode> item : this.mode)
        if (!item.isEmpty())
          return true;
      return false;
    }

    /**
     * @return Returns a reference to <code>this</code> for easy method chaining
     */
    public CompositionAttesterComponent setMode(List<Enumeration<CompositionAttestationMode>> mode) {
      this.mode = mode;
      return this;
    }

    /**
     * @return {@link #mode} (The type of attestation the authenticator offers.)
     */
    // syntactic sugar
    public Enumeration<CompositionAttestationMode> addModeElement() {// 2
      Enumeration<CompositionAttestationMode> t = new Enumeration<CompositionAttestationMode>(
          new CompositionAttestationModeEnumFactory());
      if (this.mode == null)
        this.mode = new ArrayList<Enumeration<CompositionAttestationMode>>();
      this.mode.add(t);
      return t;
    }

    /**
     * @param value {@link #mode} (The type of attestation the authenticator
     *              offers.)
     */
    public CompositionAttesterComponent addMode(CompositionAttestationMode value) { // 1
      Enumeration<CompositionAttestationMode> t = new Enumeration<CompositionAttestationMode>(
          new CompositionAttestationModeEnumFactory());
      t.setValue(value);
      if (this.mode == null)
        this.mode = new ArrayList<Enumeration<CompositionAttestationMode>>();
      this.mode.add(t);
      return this;
    }

    /**
     * @param value {@link #mode} (The type of attestation the authenticator
     *              offers.)
     */
    public boolean hasMode(CompositionAttestationMode value) {
      if (this.mode == null)
        return false;
      for (Enumeration<CompositionAttestationMode> v : this.mode)
        if (v.equals(value)) // code
          return true;
      return false;
    }

    /**
     * @return {@link #time} (When composition was attested by the party.). This is
     *         the underlying object with id, value and extensions. The accessor
     *         "getTime" gives direct access to the value
     */
    public DateTimeType getTimeElement() {
      if (this.time == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create CompositionAttesterComponent.time");
        else if (Configuration.doAutoCreate())
          this.time = new DateTimeType(); // bb
      return this.time;
    }

    public boolean hasTimeElement() {
      return this.time != null && !this.time.isEmpty();
    }

    public boolean hasTime() {
      return this.time != null && !this.time.isEmpty();
    }

    /**
     * @param value {@link #time} (When composition was attested by the party.).
     *              This is the underlying object with id, value and extensions. The
     *              accessor "getTime" gives direct access to the value
     */
    public CompositionAttesterComponent setTimeElement(DateTimeType value) {
      this.time = value;
      return this;
    }

    /**
     * @return When composition was attested by the party.
     */
    public Date getTime() {
      return this.time == null ? null : this.time.getValue();
    }

    /**
     * @param value When composition was attested by the party.
     */
    public CompositionAttesterComponent setTime(Date value) {
      if (value == null)
        this.time = null;
      else {
        if (this.time == null)
          this.time = new DateTimeType();
        this.time.setValue(value);
      }
      return this;
    }

    /**
     * @return {@link #party} (Who attested the composition in the specified way.)
     */
    public Reference getParty() {
      if (this.party == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create CompositionAttesterComponent.party");
        else if (Configuration.doAutoCreate())
          this.party = new Reference(); // cc
      return this.party;
    }

    public boolean hasParty() {
      return this.party != null && !this.party.isEmpty();
    }

    /**
     * @param value {@link #party} (Who attested the composition in the specified
     *              way.)
     */
    public CompositionAttesterComponent setParty(Reference value) {
      this.party = value;
      return this;
    }

    /**
     * @return {@link #party} The actual object that is the target of the reference.
     *         The reference library doesn't populate this, but you can use it to
     *         hold the resource if you resolve it. (Who attested the composition in
     *         the specified way.)
     */
    public Resource getPartyTarget() {
      return this.partyTarget;
    }

    /**
     * @param value {@link #party} The actual object that is the target of the
     *              reference. The reference library doesn't use these, but you can
     *              use it to hold the resource if you resolve it. (Who attested the
     *              composition in the specified way.)
     */
    public CompositionAttesterComponent setPartyTarget(Resource value) {
      this.partyTarget = value;
      return this;
    }

    protected void listChildren(List<Property> childrenList) {
      super.listChildren(childrenList);
      childrenList.add(new Property("mode", "code", "The type of attestation the authenticator offers.", 0,
          java.lang.Integer.MAX_VALUE, mode));
      childrenList.add(new Property("time", "dateTime", "When composition was attested by the party.", 0,
          java.lang.Integer.MAX_VALUE, time));
      childrenList.add(new Property("party", "Reference(Patient|Practitioner|Organization)",
          "Who attested the composition in the specified way.", 0, java.lang.Integer.MAX_VALUE, party));
    }

    @Override
    public void setProperty(String name, Base value) throws FHIRException {
      if (name.equals("mode"))
        this.getMode().add(new CompositionAttestationModeEnumFactory().fromType(value));
      else if (name.equals("time"))
        this.time = castToDateTime(value); // DateTimeType
      else if (name.equals("party"))
        this.party = castToReference(value); // Reference
      else
        super.setProperty(name, value);
    }

    @Override
    public Base addChild(String name) throws FHIRException {
      if (name.equals("mode")) {
        throw new FHIRException("Cannot call addChild on a singleton property Composition.mode");
      } else if (name.equals("time")) {
        throw new FHIRException("Cannot call addChild on a singleton property Composition.time");
      } else if (name.equals("party")) {
        this.party = new Reference();
        return this.party;
      } else
        return super.addChild(name);
    }

    public CompositionAttesterComponent copy() {
      CompositionAttesterComponent dst = new CompositionAttesterComponent();
      copyValues(dst);
      if (mode != null) {
        dst.mode = new ArrayList<Enumeration<CompositionAttestationMode>>();
        for (Enumeration<CompositionAttestationMode> i : mode)
          dst.mode.add(i.copy());
      }
      ;
      dst.time = time == null ? null : time.copy();
      dst.party = party == null ? null : party.copy();
      return dst;
    }

    @Override
    public boolean equalsDeep(Base other) {
      if (!super.equalsDeep(other))
        return false;
      if (!(other instanceof CompositionAttesterComponent))
        return false;
      CompositionAttesterComponent o = (CompositionAttesterComponent) other;
      return compareDeep(mode, o.mode, true) && compareDeep(time, o.time, true) && compareDeep(party, o.party, true);
    }

    @Override
    public boolean equalsShallow(Base other) {
      if (!super.equalsShallow(other))
        return false;
      if (!(other instanceof CompositionAttesterComponent))
        return false;
      CompositionAttesterComponent o = (CompositionAttesterComponent) other;
      return compareValues(mode, o.mode, true) && compareValues(time, o.time, true);
    }

    public boolean isEmpty() {
      return super.isEmpty() && (mode == null || mode.isEmpty()) && (time == null || time.isEmpty())
          && (party == null || party.isEmpty());
    }

    public String fhirType() {
      return "Composition.attester";

    }

  }

  @Block()
  public static class CompositionEventComponent extends BackboneElement implements IBaseBackboneElement {
    /**
     * This list of codes represents the main clinical acts, such as a colonoscopy
     * or an appendectomy, being documented. In some cases, the event is inherent in
     * the typeCode, such as a "History and Physical Report" in which the procedure
     * being documented is necessarily a "History and Physical" act.
     */
    @Child(name = "code", type = {
        CodeableConcept.class }, order = 1, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = true)
    @Description(shortDefinition = "Code(s) that apply to the event being documented", formalDefinition = "This list of codes represents the main clinical acts, such as a colonoscopy or an appendectomy, being documented. In some cases, the event is inherent in the typeCode, such as a \"History and Physical Report\" in which the procedure being documented is necessarily a \"History and Physical\" act.")
    protected List<CodeableConcept> code;

    /**
     * The period of time covered by the documentation. There is no assertion that
     * the documentation is a complete representation for this period, only that it
     * documents events during this time.
     */
    @Child(name = "period", type = { Period.class }, order = 2, min = 0, max = 1, modifier = false, summary = true)
    @Description(shortDefinition = "The period covered by the documentation", formalDefinition = "The period of time covered by the documentation. There is no assertion that the documentation is a complete representation for this period, only that it documents events during this time.")
    protected Period period;

    /**
     * The description and/or reference of the event(s) being documented. For
     * example, this could be used to document such a colonoscopy or an
     * appendectomy.
     */
    @Child(name = "detail", type = {}, order = 3, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = true)
    @Description(shortDefinition = "The event(s) being documented", formalDefinition = "The description and/or reference of the event(s) being documented. For example, this could be used to document such a colonoscopy or an appendectomy.")
    protected List<Reference> detail;
    /**
     * The actual objects that are the target of the reference (The description
     * and/or reference of the event(s) being documented. For example, this could be
     * used to document such a colonoscopy or an appendectomy.)
     */
    protected List<Resource> detailTarget;

    private static final long serialVersionUID = -1581379774L;

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

    /**
     * @return {@link #code} (This list of codes represents the main clinical acts,
     *         such as a colonoscopy or an appendectomy, being documented. In some
     *         cases, the event is inherent in the typeCode, such as a "History and
     *         Physical Report" in which the procedure being documented is
     *         necessarily a "History and Physical" act.)
     */
    public List<CodeableConcept> getCode() {
      if (this.code == null)
        this.code = new ArrayList<CodeableConcept>();
      return this.code;
    }

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

    /**
     * @return {@link #code} (This list of codes represents the main clinical acts,
     *         such as a colonoscopy or an appendectomy, being documented. In some
     *         cases, the event is inherent in the typeCode, such as a "History and
     *         Physical Report" in which the procedure being documented is
     *         necessarily a "History and Physical" act.)
     */
    // syntactic sugar
    public CodeableConcept addCode() { // 3
      CodeableConcept t = new CodeableConcept();
      if (this.code == null)
        this.code = new ArrayList<CodeableConcept>();
      this.code.add(t);
      return t;
    }

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

    /**
     * @return {@link #period} (The period of time covered by the documentation.
     *         There is no assertion that the documentation is a complete
     *         representation for this period, only that it documents events during
     *         this time.)
     */
    public Period getPeriod() {
      if (this.period == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create CompositionEventComponent.period");
        else if (Configuration.doAutoCreate())
          this.period = new Period(); // cc
      return this.period;
    }

    public boolean hasPeriod() {
      return this.period != null && !this.period.isEmpty();
    }

    /**
     * @param value {@link #period} (The period of time covered by the
     *              documentation. There is no assertion that the documentation is a
     *              complete representation for this period, only that it documents
     *              events during this time.)
     */
    public CompositionEventComponent setPeriod(Period value) {
      this.period = value;
      return this;
    }

    /**
     * @return {@link #detail} (The description and/or reference of the event(s)
     *         being documented. For example, this could be used to document such a
     *         colonoscopy or an appendectomy.)
     */
    public List<Reference> getDetail() {
      if (this.detail == null)
        this.detail = new ArrayList<Reference>();
      return this.detail;
    }

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

    /**
     * @return {@link #detail} (The description and/or reference of the event(s)
     *         being documented. For example, this could be used to document such a
     *         colonoscopy or an appendectomy.)
     */
    // syntactic sugar
    public Reference addDetail() { // 3
      Reference t = new Reference();
      if (this.detail == null)
        this.detail = new ArrayList<Reference>();
      this.detail.add(t);
      return t;
    }

    // syntactic sugar
    public CompositionEventComponent addDetail(Reference t) { // 3
      if (t == null)
        return this;
      if (this.detail == null)
        this.detail = new ArrayList<Reference>();
      this.detail.add(t);
      return this;
    }

    /**
     * @return {@link #detail} (The actual objects that are the target of the
     *         reference. The reference library doesn't populate this, but you can
     *         use this to hold the resources if you resolvethemt. The description
     *         and/or reference of the event(s) being documented. For example, this
     *         could be used to document such a colonoscopy or an appendectomy.)
     */
    public List<Resource> getDetailTarget() {
      if (this.detailTarget == null)
        this.detailTarget = new ArrayList<Resource>();
      return this.detailTarget;
    }

    protected void listChildren(List<Property> childrenList) {
      super.listChildren(childrenList);
      childrenList.add(new Property("code", "CodeableConcept",
          "This list of codes represents the main clinical acts, such as a colonoscopy or an appendectomy, being documented. In some cases, the event is inherent in the typeCode, such as a \"History and Physical Report\" in which the procedure being documented is necessarily a \"History and Physical\" act.",
          0, java.lang.Integer.MAX_VALUE, code));
      childrenList.add(new Property("period", "Period",
          "The period of time covered by the documentation. There is no assertion that the documentation is a complete representation for this period, only that it documents events during this time.",
          0, java.lang.Integer.MAX_VALUE, period));
      childrenList.add(new Property("detail", "Reference(Any)",
          "The description and/or reference of the event(s) being documented. For example, this could be used to document such a colonoscopy or an appendectomy.",
          0, java.lang.Integer.MAX_VALUE, detail));
    }

    @Override
    public void setProperty(String name, Base value) throws FHIRException {
      if (name.equals("code"))
        this.getCode().add(castToCodeableConcept(value));
      else if (name.equals("period"))
        this.period = castToPeriod(value); // Period
      else if (name.equals("detail"))
        this.getDetail().add(castToReference(value));
      else
        super.setProperty(name, value);
    }

    @Override
    public Base addChild(String name) throws FHIRException {
      if (name.equals("code")) {
        return addCode();
      } else if (name.equals("period")) {
        this.period = new Period();
        return this.period;
      } else if (name.equals("detail")) {
        return addDetail();
      } else
        return super.addChild(name);
    }

    public CompositionEventComponent copy() {
      CompositionEventComponent dst = new CompositionEventComponent();
      copyValues(dst);
      if (code != null) {
        dst.code = new ArrayList<CodeableConcept>();
        for (CodeableConcept i : code)
          dst.code.add(i.copy());
      }
      ;
      dst.period = period == null ? null : period.copy();
      if (detail != null) {
        dst.detail = new ArrayList<Reference>();
        for (Reference i : detail)
          dst.detail.add(i.copy());
      }
      ;
      return dst;
    }

    @Override
    public boolean equalsDeep(Base other) {
      if (!super.equalsDeep(other))
        return false;
      if (!(other instanceof CompositionEventComponent))
        return false;
      CompositionEventComponent o = (CompositionEventComponent) other;
      return compareDeep(code, o.code, true) && compareDeep(period, o.period, true)
          && compareDeep(detail, o.detail, true);
    }

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

    public boolean isEmpty() {
      return super.isEmpty() && (code == null || code.isEmpty()) && (period == null || period.isEmpty())
          && (detail == null || detail.isEmpty());
    }

    public String fhirType() {
      return "Composition.event";

    }

  }

  @Block()
  public static class SectionComponent extends BackboneElement implements IBaseBackboneElement {
    /**
     * The label for this particular section. This will be part of the rendered
     * content for the document, and is often used to build a table of contents.
     */
    @Child(name = "title", type = { StringType.class }, order = 1, min = 0, max = 1, modifier = false, summary = false)
    @Description(shortDefinition = "Label for section (e.g. for ToC)", formalDefinition = "The label for this particular section.  This will be part of the rendered content for the document, and is often used to build a table of contents.")
    protected StringType title;

    /**
     * A code identifying the kind of content contained within the section. This
     * must be consistent with the section title.
     */
    @Child(name = "code", type = {
        CodeableConcept.class }, order = 2, min = 0, max = 1, modifier = false, summary = false)
    @Description(shortDefinition = "Classification of section (recommended)", formalDefinition = "A code identifying the kind of content contained within the section. This must be consistent with the section title.")
    protected CodeableConcept code;

    /**
     * A human-readable narrative that contains the attested content of the section,
     * used to represent the content of the resource to a human. The narrative need
     * not encode all the structured data, but is required to contain sufficient
     * detail to make it "clinically safe" for a human to just read the narrative.
     */
    @Child(name = "text", type = { Narrative.class }, order = 3, min = 0, max = 1, modifier = false, summary = false)
    @Description(shortDefinition = "Text summary of the section, for human interpretation", formalDefinition = "A human-readable narrative that contains the attested content of the section, used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it \"clinically safe\" for a human to just read the narrative.")
    protected Narrative text;

    /**
     * How the entry list was prepared - whether it is a working list that is
     * suitable for being maintained on an ongoing basis, or if it represents a
     * snapshot of a list of items from another source, or whether it is a prepared
     * list where items may be marked as added, modified or deleted.
     */
    @Child(name = "mode", type = { CodeType.class }, order = 4, min = 0, max = 1, modifier = true, summary = true)
    @Description(shortDefinition = "working | snapshot | changes", formalDefinition = "How the entry list was prepared - whether it is a working list that is suitable for being maintained on an ongoing basis, or if it represents a snapshot of a list of items from another source, or whether it is a prepared list where items may be marked as added, modified or deleted.")
    protected CodeType mode;

    /**
     * Specifies the order applied to the items in the section entries.
     */
    @Child(name = "orderedBy", type = {
        CodeableConcept.class }, order = 5, min = 0, max = 1, modifier = false, summary = false)
    @Description(shortDefinition = "Order of section entries", formalDefinition = "Specifies the order applied to the items in the section entries.")
    protected CodeableConcept orderedBy;

    /**
     * A reference to the actual resource from which the narrative in the section is
     * derived.
     */
    @Child(name = "entry", type = {}, order = 6, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = false)
    @Description(shortDefinition = "A reference to data that supports this section", formalDefinition = "A reference to the actual resource from which the narrative in the section is derived.")
    protected List<Reference> entry;
    /**
     * The actual objects that are the target of the reference (A reference to the
     * actual resource from which the narrative in the section is derived.)
     */
    protected List<Resource> entryTarget;

    /**
     * If the section is empty, why the list is empty. An empty section typically
     * has some text explaining the empty reason.
     */
    @Child(name = "emptyReason", type = {
        CodeableConcept.class }, order = 7, min = 0, max = 1, modifier = false, summary = false)
    @Description(shortDefinition = "Why the section is empty", formalDefinition = "If the section is empty, why the list is empty. An empty section typically has some text explaining the empty reason.")
    protected CodeableConcept emptyReason;

    /**
     * A nested sub-section within this section.
     */
    @Child(name = "section", type = {
        SectionComponent.class }, order = 8, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = false)
    @Description(shortDefinition = "Nested Section", formalDefinition = "A nested sub-section within this section.")
    protected List<SectionComponent> section;

    private static final long serialVersionUID = -726390626L;

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

    /**
     * @return {@link #title} (The label for this particular section. This will be
     *         part of the rendered content for the document, and is often used to
     *         build a table of contents.). This is the underlying object with id,
     *         value and extensions. The accessor "getTitle" gives direct access to
     *         the value
     */
    public StringType getTitleElement() {
      if (this.title == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create SectionComponent.title");
        else if (Configuration.doAutoCreate())
          this.title = new StringType(); // bb
      return this.title;
    }

    public boolean hasTitleElement() {
      return this.title != null && !this.title.isEmpty();
    }

    public boolean hasTitle() {
      return this.title != null && !this.title.isEmpty();
    }

    /**
     * @param value {@link #title} (The label for this particular section. This will
     *              be part of the rendered content for the document, and is often
     *              used to build a table of contents.). This is the underlying
     *              object with id, value and extensions. The accessor "getTitle"
     *              gives direct access to the value
     */
    public SectionComponent setTitleElement(StringType value) {
      this.title = value;
      return this;
    }

    /**
     * @return The label for this particular section. This will be part of the
     *         rendered content for the document, and is often used to build a table
     *         of contents.
     */
    public String getTitle() {
      return this.title == null ? null : this.title.getValue();
    }

    /**
     * @param value The label for this particular section. This will be part of the
     *              rendered content for the document, and is often used to build a
     *              table of contents.
     */
    public SectionComponent setTitle(String value) {
      if (Utilities.noString(value))
        this.title = null;
      else {
        if (this.title == null)
          this.title = new StringType();
        this.title.setValue(value);
      }
      return this;
    }

    /**
     * @return {@link #code} (A code identifying the kind of content contained
     *         within the section. This must be consistent with the section title.)
     */
    public CodeableConcept getCode() {
      if (this.code == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create SectionComponent.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} (A code identifying the kind of content contained
     *              within the section. This must be consistent with the section
     *              title.)
     */
    public SectionComponent setCode(CodeableConcept value) {
      this.code = value;
      return this;
    }

    /**
     * @return {@link #text} (A human-readable narrative that contains the attested
     *         content of the section, used to represent the content of the resource
     *         to a human. The narrative need not encode all the structured data,
     *         but is required to contain sufficient detail to make it "clinically
     *         safe" for a human to just read the narrative.)
     */
    public Narrative getText() {
      if (this.text == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create SectionComponent.text");
        else if (Configuration.doAutoCreate())
          this.text = new Narrative(); // cc
      return this.text;
    }

    public boolean hasText() {
      return this.text != null && !this.text.isEmpty();
    }

    /**
     * @param value {@link #text} (A human-readable narrative that contains the
     *              attested content of the section, used to represent the content
     *              of the resource to a human. The narrative need not encode all
     *              the structured data, but is required to contain sufficient
     *              detail to make it "clinically safe" for a human to just read the
     *              narrative.)
     */
    public SectionComponent setText(Narrative value) {
      this.text = value;
      return this;
    }

    /**
     * @return {@link #mode} (How the entry list was prepared - whether it is a
     *         working list that is suitable for being maintained on an ongoing
     *         basis, or if it represents a snapshot of a list of items from another
     *         source, or whether it is a prepared list where items may be marked as
     *         added, modified or deleted.). This is the underlying object with id,
     *         value and extensions. The accessor "getMode" gives direct access to
     *         the value
     */
    public CodeType getModeElement() {
      if (this.mode == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create SectionComponent.mode");
        else if (Configuration.doAutoCreate())
          this.mode = new CodeType(); // bb
      return this.mode;
    }

    public boolean hasModeElement() {
      return this.mode != null && !this.mode.isEmpty();
    }

    public boolean hasMode() {
      return this.mode != null && !this.mode.isEmpty();
    }

    /**
     * @param value {@link #mode} (How the entry list was prepared - whether it is a
     *              working list that is suitable for being maintained on an ongoing
     *              basis, or if it represents a snapshot of a list of items from
     *              another source, or whether it is a prepared list where items may
     *              be marked as added, modified or deleted.). This is the
     *              underlying object with id, value and extensions. The accessor
     *              "getMode" gives direct access to the value
     */
    public SectionComponent setModeElement(CodeType value) {
      this.mode = value;
      return this;
    }

    /**
     * @return How the entry list was prepared - whether it is a working list that
     *         is suitable for being maintained on an ongoing basis, or if it
     *         represents a snapshot of a list of items from another source, or
     *         whether it is a prepared list where items may be marked as added,
     *         modified or deleted.
     */
    public String getMode() {
      return this.mode == null ? null : this.mode.getValue();
    }

    /**
     * @param value How the entry list was prepared - whether it is a working list
     *              that is suitable for being maintained on an ongoing basis, or if
     *              it represents a snapshot of a list of items from another source,
     *              or whether it is a prepared list where items may be marked as
     *              added, modified or deleted.
     */
    public SectionComponent setMode(String value) {
      if (Utilities.noString(value))
        this.mode = null;
      else {
        if (this.mode == null)
          this.mode = new CodeType();
        this.mode.setValue(value);
      }
      return this;
    }

    /**
     * @return {@link #orderedBy} (Specifies the order applied to the items in the
     *         section entries.)
     */
    public CodeableConcept getOrderedBy() {
      if (this.orderedBy == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create SectionComponent.orderedBy");
        else if (Configuration.doAutoCreate())
          this.orderedBy = new CodeableConcept(); // cc
      return this.orderedBy;
    }

    public boolean hasOrderedBy() {
      return this.orderedBy != null && !this.orderedBy.isEmpty();
    }

    /**
     * @param value {@link #orderedBy} (Specifies the order applied to the items in
     *              the section entries.)
     */
    public SectionComponent setOrderedBy(CodeableConcept value) {
      this.orderedBy = value;
      return this;
    }

    /**
     * @return {@link #entry} (A reference to the actual resource from which the
     *         narrative in the section is derived.)
     */
    public List<Reference> getEntry() {
      if (this.entry == null)
        this.entry = new ArrayList<Reference>();
      return this.entry;
    }

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

    /**
     * @return {@link #entry} (A reference to the actual resource from which the
     *         narrative in the section is derived.)
     */
    // syntactic sugar
    public Reference addEntry() { // 3
      Reference t = new Reference();
      if (this.entry == null)
        this.entry = new ArrayList<Reference>();
      this.entry.add(t);
      return t;
    }

    // syntactic sugar
    public SectionComponent addEntry(Reference t) { // 3
      if (t == null)
        return this;
      if (this.entry == null)
        this.entry = new ArrayList<Reference>();
      this.entry.add(t);
      return this;
    }

    /**
     * @return {@link #entry} (The actual objects that are the target of the
     *         reference. The reference library doesn't populate this, but you can
     *         use this to hold the resources if you resolvethemt. A reference to
     *         the actual resource from which the narrative in the section is
     *         derived.)
     */
    public List<Resource> getEntryTarget() {
      if (this.entryTarget == null)
        this.entryTarget = new ArrayList<Resource>();
      return this.entryTarget;
    }

    /**
     * @return {@link #emptyReason} (If the section is empty, why the list is empty.
     *         An empty section typically has some text explaining the empty
     *         reason.)
     */
    public CodeableConcept getEmptyReason() {
      if (this.emptyReason == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create SectionComponent.emptyReason");
        else if (Configuration.doAutoCreate())
          this.emptyReason = new CodeableConcept(); // cc
      return this.emptyReason;
    }

    public boolean hasEmptyReason() {
      return this.emptyReason != null && !this.emptyReason.isEmpty();
    }

    /**
     * @param value {@link #emptyReason} (If the section is empty, why the list is
     *              empty. An empty section typically has some text explaining the
     *              empty reason.)
     */
    public SectionComponent setEmptyReason(CodeableConcept value) {
      this.emptyReason = value;
      return this;
    }

    /**
     * @return {@link #section} (A nested sub-section within this section.)
     */
    public List<SectionComponent> getSection() {
      if (this.section == null)
        this.section = new ArrayList<SectionComponent>();
      return this.section;
    }

    public boolean hasSection() {
      if (this.section == null)
        return false;
      for (SectionComponent item : this.section)
        if (!item.isEmpty())
          return true;
      return false;
    }

    /**
     * @return {@link #section} (A nested sub-section within this section.)
     */
    // syntactic sugar
    public SectionComponent addSection() { // 3
      SectionComponent t = new SectionComponent();
      if (this.section == null)
        this.section = new ArrayList<SectionComponent>();
      this.section.add(t);
      return t;
    }

    // syntactic sugar
    public SectionComponent addSection(SectionComponent t) { // 3
      if (t == null)
        return this;
      if (this.section == null)
        this.section = new ArrayList<SectionComponent>();
      this.section.add(t);
      return this;
    }

    protected void listChildren(List<Property> childrenList) {
      super.listChildren(childrenList);
      childrenList.add(new Property("title", "string",
          "The label for this particular section.  This will be part of the rendered content for the document, and is often used to build a table of contents.",
          0, java.lang.Integer.MAX_VALUE, title));
      childrenList.add(new Property("code", "CodeableConcept",
          "A code identifying the kind of content contained within the section. This must be consistent with the section title.",
          0, java.lang.Integer.MAX_VALUE, code));
      childrenList.add(new Property("text", "Narrative",
          "A human-readable narrative that contains the attested content of the section, used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it \"clinically safe\" for a human to just read the narrative.",
          0, java.lang.Integer.MAX_VALUE, text));
      childrenList.add(new Property("mode", "code",
          "How the entry list was prepared - whether it is a working list that is suitable for being maintained on an ongoing basis, or if it represents a snapshot of a list of items from another source, or whether it is a prepared list where items may be marked as added, modified or deleted.",
          0, java.lang.Integer.MAX_VALUE, mode));
      childrenList.add(new Property("orderedBy", "CodeableConcept",
          "Specifies the order applied to the items in the section entries.", 0, java.lang.Integer.MAX_VALUE,
          orderedBy));
      childrenList.add(new Property("entry", "Reference(Any)",
          "A reference to the actual resource from which the narrative in the section is derived.", 0,
          java.lang.Integer.MAX_VALUE, entry));
      childrenList.add(new Property("emptyReason", "CodeableConcept",
          "If the section is empty, why the list is empty. An empty section typically has some text explaining the empty reason.",
          0, java.lang.Integer.MAX_VALUE, emptyReason));
      childrenList.add(new Property("section", "@Composition.section", "A nested sub-section within this section.", 0,
          java.lang.Integer.MAX_VALUE, section));
    }

    @Override
    public void setProperty(String name, Base value) throws FHIRException {
      if (name.equals("title"))
        this.title = castToString(value); // StringType
      else if (name.equals("code"))
        this.code = castToCodeableConcept(value); // CodeableConcept
      else if (name.equals("text"))
        this.text = castToNarrative(value); // Narrative
      else if (name.equals("mode"))
        this.mode = castToCode(value); // CodeType
      else if (name.equals("orderedBy"))
        this.orderedBy = castToCodeableConcept(value); // CodeableConcept
      else if (name.equals("entry"))
        this.getEntry().add(castToReference(value));
      else if (name.equals("emptyReason"))
        this.emptyReason = castToCodeableConcept(value); // CodeableConcept
      else if (name.equals("section"))
        this.getSection().add((SectionComponent) value);
      else
        super.setProperty(name, value);
    }

    @Override
    public Base addChild(String name) throws FHIRException {
      if (name.equals("title")) {
        throw new FHIRException("Cannot call addChild on a singleton property Composition.title");
      } else if (name.equals("code")) {
        this.code = new CodeableConcept();
        return this.code;
      } else if (name.equals("text")) {
        this.text = new Narrative();
        return this.text;
      } else if (name.equals("mode")) {
        throw new FHIRException("Cannot call addChild on a singleton property Composition.mode");
      } else if (name.equals("orderedBy")) {
        this.orderedBy = new CodeableConcept();
        return this.orderedBy;
      } else if (name.equals("entry")) {
        return addEntry();
      } else if (name.equals("emptyReason")) {
        this.emptyReason = new CodeableConcept();
        return this.emptyReason;
      } else if (name.equals("section")) {
        return addSection();
      } else
        return super.addChild(name);
    }

    public SectionComponent copy() {
      SectionComponent dst = new SectionComponent();
      copyValues(dst);
      dst.title = title == null ? null : title.copy();
      dst.code = code == null ? null : code.copy();
      dst.text = text == null ? null : text.copy();
      dst.mode = mode == null ? null : mode.copy();
      dst.orderedBy = orderedBy == null ? null : orderedBy.copy();
      if (entry != null) {
        dst.entry = new ArrayList<Reference>();
        for (Reference i : entry)
          dst.entry.add(i.copy());
      }
      ;
      dst.emptyReason = emptyReason == null ? null : emptyReason.copy();
      if (section != null) {
        dst.section = new ArrayList<SectionComponent>();
        for (SectionComponent i : section)
          dst.section.add(i.copy());
      }
      ;
      return dst;
    }

    @Override
    public boolean equalsDeep(Base other) {
      if (!super.equalsDeep(other))
        return false;
      if (!(other instanceof SectionComponent))
        return false;
      SectionComponent o = (SectionComponent) other;
      return compareDeep(title, o.title, true) && compareDeep(code, o.code, true) && compareDeep(text, o.text, true)
          && compareDeep(mode, o.mode, true) && compareDeep(orderedBy, o.orderedBy, true)
          && compareDeep(entry, o.entry, true) && compareDeep(emptyReason, o.emptyReason, true)
          && compareDeep(section, o.section, true);
    }

    @Override
    public boolean equalsShallow(Base other) {
      if (!super.equalsShallow(other))
        return false;
      if (!(other instanceof SectionComponent))
        return false;
      SectionComponent o = (SectionComponent) other;
      return compareValues(title, o.title, true) && compareValues(mode, o.mode, true);
    }

    public boolean isEmpty() {
      return super.isEmpty() && (title == null || title.isEmpty()) && (code == null || code.isEmpty())
          && (text == null || text.isEmpty()) && (mode == null || mode.isEmpty())
          && (orderedBy == null || orderedBy.isEmpty()) && (entry == null || entry.isEmpty())
          && (emptyReason == null || emptyReason.isEmpty()) && (section == null || section.isEmpty());
    }

    public String fhirType() {
      return "Composition.section";

    }

  }

  /**
   * Logical identifier for the composition, assigned when created. This
   * identifier stays constant as the composition is changed over time.
   */
  @Child(name = "identifier", type = {
      Identifier.class }, order = 0, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Logical identifier of composition (version-independent)", formalDefinition = "Logical identifier for the composition, assigned when created. This identifier stays constant as the composition is changed over time.")
  protected Identifier identifier;

  /**
   * The composition editing time, when the composition was last logically changed
   * by the author.
   */
  @Child(name = "date", type = { DateTimeType.class }, order = 1, min = 1, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Composition editing time", formalDefinition = "The composition editing time, when the composition was last logically changed by the author.")
  protected DateTimeType date;

  /**
   * Specifies the particular kind of composition (e.g. History and Physical,
   * Discharge Summary, Progress Note). This usually equates to the purpose of
   * making the composition.
   */
  @Child(name = "type", type = { CodeableConcept.class }, order = 2, min = 1, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Kind of composition (LOINC if possible)", formalDefinition = "Specifies the particular kind of composition (e.g. History and Physical, Discharge Summary, Progress Note). This usually equates to the purpose of making the composition.")
  protected CodeableConcept type;

  /**
   * A categorization for the type of the composition - helps for indexing and
   * searching. This may be implied by or derived from the code specified in the
   * Composition Type.
   */
  @Child(name = "class", type = {
      CodeableConcept.class }, order = 3, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Categorization of Composition", formalDefinition = "A categorization for the type of the composition - helps for indexing and searching. This may be implied by or derived from the code specified in the Composition Type.")
  protected CodeableConcept class_;

  /**
   * Official human-readable label for the composition.
   */
  @Child(name = "title", type = { StringType.class }, order = 4, min = 1, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Human Readable name/title", formalDefinition = "Official human-readable label for the composition.")
  protected StringType title;

  /**
   * The workflow/clinical status of this composition. The status is a marker for
   * the clinical standing of the document.
   */
  @Child(name = "status", type = { CodeType.class }, order = 5, min = 1, max = 1, modifier = true, summary = true)
  @Description(shortDefinition = "preliminary | final | amended | entered-in-error", formalDefinition = "The workflow/clinical status of this composition. The status is a marker for the clinical standing of the document.")
  protected Enumeration<CompositionStatus> status;

  /**
   * The code specifying the level of confidentiality of the Composition.
   */
  @Child(name = "confidentiality", type = {
      CodeType.class }, order = 6, min = 0, max = 1, modifier = true, summary = true)
  @Description(shortDefinition = "As defined by affinity domain", formalDefinition = "The code specifying the level of confidentiality of the Composition.")
  protected CodeType confidentiality;

  /**
   * Who or what the composition is about. The composition can be about a person,
   * (patient or healthcare practitioner), a device (e.g. a machine) or even a
   * group of subjects (such as a document about a herd of livestock, or a set of
   * patients that share a common exposure).
   */
  @Child(name = "subject", type = {}, order = 7, min = 1, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Who and/or what the composition is about", formalDefinition = "Who or what the composition is about. The composition can be about a person, (patient or healthcare practitioner), a device (e.g. a machine) or even a group of subjects (such as a document about a herd of livestock, or a set of patients that share a common exposure).")
  protected Reference subject;

  /**
   * The actual object that is the target of the reference (Who or what the
   * composition is about. The composition can be about a person, (patient or
   * healthcare practitioner), a device (e.g. a machine) or even a group of
   * subjects (such as a document about a herd of livestock, or a set of patients
   * that share a common exposure).)
   */
  protected Resource subjectTarget;

  /**
   * Identifies who is responsible for the information in the composition, not
   * necessarily who typed it in.
   */
  @Child(name = "author", type = { Practitioner.class, Device.class, Patient.class,
      RelatedPerson.class }, order = 8, min = 1, max = Child.MAX_UNLIMITED, modifier = false, summary = true)
  @Description(shortDefinition = "Who and/or what authored the composition", formalDefinition = "Identifies who is responsible for the information in the composition, not necessarily who typed it in.")
  protected List<Reference> author;
  /**
   * The actual objects that are the target of the reference (Identifies who is
   * responsible for the information in the composition, not necessarily who typed
   * it in.)
   */
  protected List<Resource> authorTarget;

  /**
   * A participant who has attested to the accuracy of the composition/document.
   */
  @Child(name = "attester", type = {}, order = 9, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = true)
  @Description(shortDefinition = "Attests to accuracy of composition", formalDefinition = "A participant who has attested to the accuracy of the composition/document.")
  protected List<CompositionAttesterComponent> attester;

  /**
   * Identifies the organization or group who is responsible for ongoing
   * maintenance of and access to the composition/document information.
   */
  @Child(name = "custodian", type = {
      Organization.class }, order = 10, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Organization which maintains the composition", formalDefinition = "Identifies the organization or group who is responsible for ongoing maintenance of and access to the composition/document information.")
  protected Reference custodian;

  /**
   * The actual object that is the target of the reference (Identifies the
   * organization or group who is responsible for ongoing maintenance of and
   * access to the composition/document information.)
   */
  protected Organization custodianTarget;

  /**
   * The clinical service, such as a colonoscopy or an appendectomy, being
   * documented.
   */
  @Child(name = "event", type = {}, order = 11, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = true)
  @Description(shortDefinition = "The clinical service(s) being documented", formalDefinition = "The clinical service, such as a colonoscopy or an appendectomy, being documented.")
  protected List<CompositionEventComponent> event;

  /**
   * Describes the clinical encounter or type of care this documentation is
   * associated with.
   */
  @Child(name = "encounter", type = { Encounter.class }, order = 12, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Context of the Composition", formalDefinition = "Describes the clinical encounter or type of care this documentation is associated with.")
  protected Reference encounter;

  /**
   * The actual object that is the target of the reference (Describes the clinical
   * encounter or type of care this documentation is associated with.)
   */
  protected Encounter encounterTarget;

  /**
   * The root of the sections that make up the composition.
   */
  @Child(name = "section", type = {}, order = 13, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = false)
  @Description(shortDefinition = "Composition is broken into sections", formalDefinition = "The root of the sections that make up the composition.")
  protected List<SectionComponent> section;

  private static final long serialVersionUID = 2127852326L;

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

  /*
   * Constructor
   */
  public Composition(DateTimeType date, CodeableConcept type, StringType title, Enumeration<CompositionStatus> status,
      Reference subject) {
    super();
    this.date = date;
    this.type = type;
    this.title = title;
    this.status = status;
    this.subject = subject;
  }

  /**
   * @return {@link #identifier} (Logical identifier for the composition, assigned
   *         when created. This identifier stays constant as the composition is
   *         changed over time.)
   */
  public Identifier getIdentifier() {
    if (this.identifier == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create Composition.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} (Logical identifier for the composition,
   *              assigned when created. This identifier stays constant as the
   *              composition is changed over time.)
   */
  public Composition setIdentifier(Identifier value) {
    this.identifier = value;
    return this;
  }

  /**
   * @return {@link #date} (The composition editing time, when the composition was
   *         last logically changed by the author.). 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 Composition.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} (The composition editing time, when the
   *              composition was last logically changed by the author.). This is
   *              the underlying object with id, value and extensions. The
   *              accessor "getDate" gives direct access to the value
   */
  public Composition setDateElement(DateTimeType value) {
    this.date = value;
    return this;
  }

  /**
   * @return The composition editing time, when the composition was last logically
   *         changed by the author.
   */
  public Date getDate() {
    return this.date == null ? null : this.date.getValue();
  }

  /**
   * @param value The composition editing time, when the composition was last
   *              logically changed by the author.
   */
  public Composition setDate(Date value) {
    if (this.date == null)
      this.date = new DateTimeType();
    this.date.setValue(value);
    return this;
  }

  /**
   * @return {@link #type} (Specifies the particular kind of composition (e.g.
   *         History and Physical, Discharge Summary, Progress Note). This usually
   *         equates to the purpose of making the composition.)
   */
  public CodeableConcept getType() {
    if (this.type == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create Composition.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} (Specifies the particular kind of composition
   *              (e.g. History and Physical, Discharge Summary, Progress Note).
   *              This usually equates to the purpose of making the composition.)
   */
  public Composition setType(CodeableConcept value) {
    this.type = value;
    return this;
  }

  /**
   * @return {@link #class_} (A categorization for the type of the composition -
   *         helps for indexing and searching. This may be implied by or derived
   *         from the code specified in the Composition Type.)
   */
  public CodeableConcept getClass_() {
    if (this.class_ == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create Composition.class_");
      else if (Configuration.doAutoCreate())
        this.class_ = new CodeableConcept(); // cc
    return this.class_;
  }

  public boolean hasClass_() {
    return this.class_ != null && !this.class_.isEmpty();
  }

  /**
   * @param value {@link #class_} (A categorization for the type of the
   *              composition - helps for indexing and searching. This may be
   *              implied by or derived from the code specified in the Composition
   *              Type.)
   */
  public Composition setClass_(CodeableConcept value) {
    this.class_ = value;
    return this;
  }

  /**
   * @return {@link #title} (Official human-readable label for the composition.).
   *         This is the underlying object with id, value and extensions. The
   *         accessor "getTitle" gives direct access to the value
   */
  public StringType getTitleElement() {
    if (this.title == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create Composition.title");
      else if (Configuration.doAutoCreate())
        this.title = new StringType(); // bb
    return this.title;
  }

  public boolean hasTitleElement() {
    return this.title != null && !this.title.isEmpty();
  }

  public boolean hasTitle() {
    return this.title != null && !this.title.isEmpty();
  }

  /**
   * @param value {@link #title} (Official human-readable label for the
   *              composition.). This is the underlying object with id, value and
   *              extensions. The accessor "getTitle" gives direct access to the
   *              value
   */
  public Composition setTitleElement(StringType value) {
    this.title = value;
    return this;
  }

  /**
   * @return Official human-readable label for the composition.
   */
  public String getTitle() {
    return this.title == null ? null : this.title.getValue();
  }

  /**
   * @param value Official human-readable label for the composition.
   */
  public Composition setTitle(String value) {
    if (this.title == null)
      this.title = new StringType();
    this.title.setValue(value);
    return this;
  }

  /**
   * @return {@link #status} (The workflow/clinical status of this composition.
   *         The status is a marker for the clinical standing of the document.).
   *         This is the underlying object with id, value and extensions. The
   *         accessor "getStatus" gives direct access to the value
   */
  public Enumeration<CompositionStatus> getStatusElement() {
    if (this.status == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create Composition.status");
      else if (Configuration.doAutoCreate())
        this.status = new Enumeration<CompositionStatus>(new CompositionStatusEnumFactory()); // bb
    return this.status;
  }

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

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

  /**
   * @param value {@link #status} (The workflow/clinical status of this
   *              composition. The status is a marker for the clinical standing of
   *              the document.). This is the underlying object with id, value and
   *              extensions. The accessor "getStatus" gives direct access to the
   *              value
   */
  public Composition setStatusElement(Enumeration<CompositionStatus> value) {
    this.status = value;
    return this;
  }

  /**
   * @return The workflow/clinical status of this composition. The status is a
   *         marker for the clinical standing of the document.
   */
  public CompositionStatus getStatus() {
    return this.status == null ? null : this.status.getValue();
  }

  /**
   * @param value The workflow/clinical status of this composition. The status is
   *              a marker for the clinical standing of the document.
   */
  public Composition setStatus(CompositionStatus value) {
    if (this.status == null)
      this.status = new Enumeration<CompositionStatus>(new CompositionStatusEnumFactory());
    this.status.setValue(value);
    return this;
  }

  /**
   * @return {@link #confidentiality} (The code specifying the level of
   *         confidentiality of the Composition.). This is the underlying object
   *         with id, value and extensions. The accessor "getConfidentiality"
   *         gives direct access to the value
   */
  public CodeType getConfidentialityElement() {
    if (this.confidentiality == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create Composition.confidentiality");
      else if (Configuration.doAutoCreate())
        this.confidentiality = new CodeType(); // bb
    return this.confidentiality;
  }

  public boolean hasConfidentialityElement() {
    return this.confidentiality != null && !this.confidentiality.isEmpty();
  }

  public boolean hasConfidentiality() {
    return this.confidentiality != null && !this.confidentiality.isEmpty();
  }

  /**
   * @param value {@link #confidentiality} (The code specifying the level of
   *              confidentiality of the Composition.). This is the underlying
   *              object with id, value and extensions. The accessor
   *              "getConfidentiality" gives direct access to the value
   */
  public Composition setConfidentialityElement(CodeType value) {
    this.confidentiality = value;
    return this;
  }

  /**
   * @return The code specifying the level of confidentiality of the Composition.
   */
  public String getConfidentiality() {
    return this.confidentiality == null ? null : this.confidentiality.getValue();
  }

  /**
   * @param value The code specifying the level of confidentiality of the
   *              Composition.
   */
  public Composition setConfidentiality(String value) {
    if (Utilities.noString(value))
      this.confidentiality = null;
    else {
      if (this.confidentiality == null)
        this.confidentiality = new CodeType();
      this.confidentiality.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #subject} (Who or what the composition is about. The
   *         composition can be about a person, (patient or healthcare
   *         practitioner), a device (e.g. a machine) or even a group of subjects
   *         (such as a document about a herd of livestock, or a set of patients
   *         that share a common exposure).)
   */
  public Reference getSubject() {
    if (this.subject == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create Composition.subject");
      else if (Configuration.doAutoCreate())
        this.subject = new Reference(); // cc
    return this.subject;
  }

  public boolean hasSubject() {
    return this.subject != null && !this.subject.isEmpty();
  }

  /**
   * @param value {@link #subject} (Who or what the composition is about. The
   *              composition can be about a person, (patient or healthcare
   *              practitioner), a device (e.g. a machine) or even a group of
   *              subjects (such as a document about a herd of livestock, or a set
   *              of patients that share a common exposure).)
   */
  public Composition setSubject(Reference value) {
    this.subject = value;
    return this;
  }

  /**
   * @return {@link #subject} The actual object that is the target of the
   *         reference. The reference library doesn't populate this, but you can
   *         use it to hold the resource if you resolve it. (Who or what the
   *         composition is about. The composition can be about a person, (patient
   *         or healthcare practitioner), a device (e.g. a machine) or even a
   *         group of subjects (such as a document about a herd of livestock, or a
   *         set of patients that share a common exposure).)
   */
  public Resource getSubjectTarget() {
    return this.subjectTarget;
  }

  /**
   * @param value {@link #subject} The actual object that is the target of the
   *              reference. The reference library doesn't use these, but you can
   *              use it to hold the resource if you resolve it. (Who or what the
   *              composition is about. The composition can be about a person,
   *              (patient or healthcare practitioner), a device (e.g. a machine)
   *              or even a group of subjects (such as a document about a herd of
   *              livestock, or a set of patients that share a common exposure).)
   */
  public Composition setSubjectTarget(Resource value) {
    this.subjectTarget = value;
    return this;
  }

  /**
   * @return {@link #author} (Identifies who is responsible for the information in
   *         the composition, not necessarily who typed it in.)
   */
  public List<Reference> getAuthor() {
    if (this.author == null)
      this.author = new ArrayList<Reference>();
    return this.author;
  }

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

  /**
   * @return {@link #author} (Identifies who is responsible for the information in
   *         the composition, not necessarily who typed it in.)
   */
  // syntactic sugar
  public Reference addAuthor() { // 3
    Reference t = new Reference();
    if (this.author == null)
      this.author = new ArrayList<Reference>();
    this.author.add(t);
    return t;
  }

  // syntactic sugar
  public Composition addAuthor(Reference t) { // 3
    if (t == null)
      return this;
    if (this.author == null)
      this.author = new ArrayList<Reference>();
    this.author.add(t);
    return this;
  }

  /**
   * @return {@link #author} (The actual objects that are the target of the
   *         reference. The reference library doesn't populate this, but you can
   *         use this to hold the resources if you resolvethemt. Identifies who is
   *         responsible for the information in the composition, not necessarily
   *         who typed it in.)
   */
  public List<Resource> getAuthorTarget() {
    if (this.authorTarget == null)
      this.authorTarget = new ArrayList<Resource>();
    return this.authorTarget;
  }

  /**
   * @return {@link #attester} (A participant who has attested to the accuracy of
   *         the composition/document.)
   */
  public List<CompositionAttesterComponent> getAttester() {
    if (this.attester == null)
      this.attester = new ArrayList<CompositionAttesterComponent>();
    return this.attester;
  }

  public boolean hasAttester() {
    if (this.attester == null)
      return false;
    for (CompositionAttesterComponent item : this.attester)
      if (!item.isEmpty())
        return true;
    return false;
  }

  /**
   * @return {@link #attester} (A participant who has attested to the accuracy of
   *         the composition/document.)
   */
  // syntactic sugar
  public CompositionAttesterComponent addAttester() { // 3
    CompositionAttesterComponent t = new CompositionAttesterComponent();
    if (this.attester == null)
      this.attester = new ArrayList<CompositionAttesterComponent>();
    this.attester.add(t);
    return t;
  }

  // syntactic sugar
  public Composition addAttester(CompositionAttesterComponent t) { // 3
    if (t == null)
      return this;
    if (this.attester == null)
      this.attester = new ArrayList<CompositionAttesterComponent>();
    this.attester.add(t);
    return this;
  }

  /**
   * @return {@link #custodian} (Identifies the organization or group who is
   *         responsible for ongoing maintenance of and access to the
   *         composition/document information.)
   */
  public Reference getCustodian() {
    if (this.custodian == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create Composition.custodian");
      else if (Configuration.doAutoCreate())
        this.custodian = new Reference(); // cc
    return this.custodian;
  }

  public boolean hasCustodian() {
    return this.custodian != null && !this.custodian.isEmpty();
  }

  /**
   * @param value {@link #custodian} (Identifies the organization or group who is
   *              responsible for ongoing maintenance of and access to the
   *              composition/document information.)
   */
  public Composition setCustodian(Reference value) {
    this.custodian = value;
    return this;
  }

  /**
   * @return {@link #custodian} The actual object that is the target of the
   *         reference. The reference library doesn't populate this, but you can
   *         use it to hold the resource if you resolve it. (Identifies the
   *         organization or group who is responsible for ongoing maintenance of
   *         and access to the composition/document information.)
   */
  public Organization getCustodianTarget() {
    if (this.custodianTarget == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create Composition.custodian");
      else if (Configuration.doAutoCreate())
        this.custodianTarget = new Organization(); // aa
    return this.custodianTarget;
  }

  /**
   * @param value {@link #custodian} The actual object that is the target of the
   *              reference. The reference library doesn't use these, but you can
   *              use it to hold the resource if you resolve it. (Identifies the
   *              organization or group who is responsible for ongoing maintenance
   *              of and access to the composition/document information.)
   */
  public Composition setCustodianTarget(Organization value) {
    this.custodianTarget = value;
    return this;
  }

  /**
   * @return {@link #event} (The clinical service, such as a colonoscopy or an
   *         appendectomy, being documented.)
   */
  public List<CompositionEventComponent> getEvent() {
    if (this.event == null)
      this.event = new ArrayList<CompositionEventComponent>();
    return this.event;
  }

  public boolean hasEvent() {
    if (this.event == null)
      return false;
    for (CompositionEventComponent item : this.event)
      if (!item.isEmpty())
        return true;
    return false;
  }

  /**
   * @return {@link #event} (The clinical service, such as a colonoscopy or an
   *         appendectomy, being documented.)
   */
  // syntactic sugar
  public CompositionEventComponent addEvent() { // 3
    CompositionEventComponent t = new CompositionEventComponent();
    if (this.event == null)
      this.event = new ArrayList<CompositionEventComponent>();
    this.event.add(t);
    return t;
  }

  // syntactic sugar
  public Composition addEvent(CompositionEventComponent t) { // 3
    if (t == null)
      return this;
    if (this.event == null)
      this.event = new ArrayList<CompositionEventComponent>();
    this.event.add(t);
    return this;
  }

  /**
   * @return {@link #encounter} (Describes the clinical encounter or type of care
   *         this documentation is associated with.)
   */
  public Reference getEncounter() {
    if (this.encounter == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create Composition.encounter");
      else if (Configuration.doAutoCreate())
        this.encounter = new Reference(); // cc
    return this.encounter;
  }

  public boolean hasEncounter() {
    return this.encounter != null && !this.encounter.isEmpty();
  }

  /**
   * @param value {@link #encounter} (Describes the clinical encounter or type of
   *              care this documentation is associated with.)
   */
  public Composition setEncounter(Reference value) {
    this.encounter = value;
    return this;
  }

  /**
   * @return {@link #encounter} The actual object that is the target of the
   *         reference. The reference library doesn't populate this, but you can
   *         use it to hold the resource if you resolve it. (Describes the
   *         clinical encounter or type of care this documentation is associated
   *         with.)
   */
  public Encounter getEncounterTarget() {
    if (this.encounterTarget == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create Composition.encounter");
      else if (Configuration.doAutoCreate())
        this.encounterTarget = new Encounter(); // aa
    return this.encounterTarget;
  }

  /**
   * @param value {@link #encounter} The actual object that is the target of the
   *              reference. The reference library doesn't use these, but you can
   *              use it to hold the resource if you resolve it. (Describes the
   *              clinical encounter or type of care this documentation is
   *              associated with.)
   */
  public Composition setEncounterTarget(Encounter value) {
    this.encounterTarget = value;
    return this;
  }

  /**
   * @return {@link #section} (The root of the sections that make up the
   *         composition.)
   */
  public List<SectionComponent> getSection() {
    if (this.section == null)
      this.section = new ArrayList<SectionComponent>();
    return this.section;
  }

  public boolean hasSection() {
    if (this.section == null)
      return false;
    for (SectionComponent item : this.section)
      if (!item.isEmpty())
        return true;
    return false;
  }

  /**
   * @return {@link #section} (The root of the sections that make up the
   *         composition.)
   */
  // syntactic sugar
  public SectionComponent addSection() { // 3
    SectionComponent t = new SectionComponent();
    if (this.section == null)
      this.section = new ArrayList<SectionComponent>();
    this.section.add(t);
    return t;
  }

  // syntactic sugar
  public Composition addSection(SectionComponent t) { // 3
    if (t == null)
      return this;
    if (this.section == null)
      this.section = new ArrayList<SectionComponent>();
    this.section.add(t);
    return this;
  }

  protected void listChildren(List<Property> childrenList) {
    super.listChildren(childrenList);
    childrenList.add(new Property("identifier", "Identifier",
        "Logical identifier for the composition, assigned when created. This identifier stays constant as the composition is changed over time.",
        0, java.lang.Integer.MAX_VALUE, identifier));
    childrenList.add(new Property("date", "dateTime",
        "The composition editing time, when the composition was last logically changed by the author.", 0,
        java.lang.Integer.MAX_VALUE, date));
    childrenList.add(new Property("type", "CodeableConcept",
        "Specifies the particular kind of composition (e.g. History and Physical, Discharge Summary, Progress Note). This usually equates to the purpose of making the composition.",
        0, java.lang.Integer.MAX_VALUE, type));
    childrenList.add(new Property("class", "CodeableConcept",
        "A categorization for the type of the composition - helps for indexing and searching. This may be implied by or derived from the code specified in the Composition Type.",
        0, java.lang.Integer.MAX_VALUE, class_));
    childrenList.add(new Property("title", "string", "Official human-readable label for the composition.", 0,
        java.lang.Integer.MAX_VALUE, title));
    childrenList.add(new Property("status", "code",
        "The workflow/clinical status of this composition. The status is a marker for the clinical standing of the document.",
        0, java.lang.Integer.MAX_VALUE, status));
    childrenList.add(
        new Property("confidentiality", "code", "The code specifying the level of confidentiality of the Composition.",
            0, java.lang.Integer.MAX_VALUE, confidentiality));
    childrenList.add(new Property("subject", "Reference(Any)",
        "Who or what the composition is about. The composition can be about a person, (patient or healthcare practitioner), a device (e.g. a machine) or even a group of subjects (such as a document about a herd of livestock, or a set of patients that share a common exposure).",
        0, java.lang.Integer.MAX_VALUE, subject));
    childrenList.add(new Property("author", "Reference(Practitioner|Device|Patient|RelatedPerson)",
        "Identifies who is responsible for the information in the composition, not necessarily who typed it in.", 0,
        java.lang.Integer.MAX_VALUE, author));
    childrenList
        .add(new Property("attester", "", "A participant who has attested to the accuracy of the composition/document.",
            0, java.lang.Integer.MAX_VALUE, attester));
    childrenList.add(new Property("custodian", "Reference(Organization)",
        "Identifies the organization or group who is responsible for ongoing maintenance of and access to the composition/document information.",
        0, java.lang.Integer.MAX_VALUE, custodian));
    childrenList.add(
        new Property("event", "", "The clinical service, such as a colonoscopy or an appendectomy, being documented.",
            0, java.lang.Integer.MAX_VALUE, event));
    childrenList.add(new Property("encounter", "Reference(Encounter)",
        "Describes the clinical encounter or type of care this documentation is associated with.", 0,
        java.lang.Integer.MAX_VALUE, encounter));
    childrenList.add(new Property("section", "", "The root of the sections that make up the composition.", 0,
        java.lang.Integer.MAX_VALUE, section));
  }

  @Override
  public void setProperty(String name, Base value) throws FHIRException {
    if (name.equals("identifier"))
      this.identifier = castToIdentifier(value); // Identifier
    else if (name.equals("date"))
      this.date = castToDateTime(value); // DateTimeType
    else if (name.equals("type"))
      this.type = castToCodeableConcept(value); // CodeableConcept
    else if (name.equals("class"))
      this.class_ = castToCodeableConcept(value); // CodeableConcept
    else if (name.equals("title"))
      this.title = castToString(value); // StringType
    else if (name.equals("status"))
      this.status = new CompositionStatusEnumFactory().fromType(value); // Enumeration<CompositionStatus>
    else if (name.equals("confidentiality"))
      this.confidentiality = castToCode(value); // CodeType
    else if (name.equals("subject"))
      this.subject = castToReference(value); // Reference
    else if (name.equals("author"))
      this.getAuthor().add(castToReference(value));
    else if (name.equals("attester"))
      this.getAttester().add((CompositionAttesterComponent) value);
    else if (name.equals("custodian"))
      this.custodian = castToReference(value); // Reference
    else if (name.equals("event"))
      this.getEvent().add((CompositionEventComponent) value);
    else if (name.equals("encounter"))
      this.encounter = castToReference(value); // Reference
    else if (name.equals("section"))
      this.getSection().add((SectionComponent) value);
    else
      super.setProperty(name, value);
  }

  @Override
  public Base addChild(String name) throws FHIRException {
    if (name.equals("identifier")) {
      this.identifier = new Identifier();
      return this.identifier;
    } else if (name.equals("date")) {
      throw new FHIRException("Cannot call addChild on a singleton property Composition.date");
    } else if (name.equals("type")) {
      this.type = new CodeableConcept();
      return this.type;
    } else if (name.equals("class")) {
      this.class_ = new CodeableConcept();
      return this.class_;
    } else if (name.equals("title")) {
      throw new FHIRException("Cannot call addChild on a singleton property Composition.title");
    } else if (name.equals("status")) {
      throw new FHIRException("Cannot call addChild on a singleton property Composition.status");
    } else if (name.equals("confidentiality")) {
      throw new FHIRException("Cannot call addChild on a singleton property Composition.confidentiality");
    } else if (name.equals("subject")) {
      this.subject = new Reference();
      return this.subject;
    } else if (name.equals("author")) {
      return addAuthor();
    } else if (name.equals("attester")) {
      return addAttester();
    } else if (name.equals("custodian")) {
      this.custodian = new Reference();
      return this.custodian;
    } else if (name.equals("event")) {
      return addEvent();
    } else if (name.equals("encounter")) {
      this.encounter = new Reference();
      return this.encounter;
    } else if (name.equals("section")) {
      return addSection();
    } else
      return super.addChild(name);
  }

  public String fhirType() {
    return "Composition";

  }

  public Composition copy() {
    Composition dst = new Composition();
    copyValues(dst);
    dst.identifier = identifier == null ? null : identifier.copy();
    dst.date = date == null ? null : date.copy();
    dst.type = type == null ? null : type.copy();
    dst.class_ = class_ == null ? null : class_.copy();
    dst.title = title == null ? null : title.copy();
    dst.status = status == null ? null : status.copy();
    dst.confidentiality = confidentiality == null ? null : confidentiality.copy();
    dst.subject = subject == null ? null : subject.copy();
    if (author != null) {
      dst.author = new ArrayList<Reference>();
      for (Reference i : author)
        dst.author.add(i.copy());
    }
    ;
    if (attester != null) {
      dst.attester = new ArrayList<CompositionAttesterComponent>();
      for (CompositionAttesterComponent i : attester)
        dst.attester.add(i.copy());
    }
    ;
    dst.custodian = custodian == null ? null : custodian.copy();
    if (event != null) {
      dst.event = new ArrayList<CompositionEventComponent>();
      for (CompositionEventComponent i : event)
        dst.event.add(i.copy());
    }
    ;
    dst.encounter = encounter == null ? null : encounter.copy();
    if (section != null) {
      dst.section = new ArrayList<SectionComponent>();
      for (SectionComponent i : section)
        dst.section.add(i.copy());
    }
    ;
    return dst;
  }

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

  @Override
  public boolean equalsDeep(Base other) {
    if (!super.equalsDeep(other))
      return false;
    if (!(other instanceof Composition))
      return false;
    Composition o = (Composition) other;
    return compareDeep(identifier, o.identifier, true) && compareDeep(date, o.date, true)
        && compareDeep(type, o.type, true) && compareDeep(class_, o.class_, true) && compareDeep(title, o.title, true)
        && compareDeep(status, o.status, true) && compareDeep(confidentiality, o.confidentiality, true)
        && compareDeep(subject, o.subject, true) && compareDeep(author, o.author, true)
        && compareDeep(attester, o.attester, true) && compareDeep(custodian, o.custodian, true)
        && compareDeep(event, o.event, true) && compareDeep(encounter, o.encounter, true)
        && compareDeep(section, o.section, true);
  }

  @Override
  public boolean equalsShallow(Base other) {
    if (!super.equalsShallow(other))
      return false;
    if (!(other instanceof Composition))
      return false;
    Composition o = (Composition) other;
    return compareValues(date, o.date, true) && compareValues(title, o.title, true)
        && compareValues(status, o.status, true) && compareValues(confidentiality, o.confidentiality, true);
  }

  public boolean isEmpty() {
    return super.isEmpty() && (identifier == null || identifier.isEmpty()) && (date == null || date.isEmpty())
        && (type == null || type.isEmpty()) && (class_ == null || class_.isEmpty())
        && (title == null || title.isEmpty()) && (status == null || status.isEmpty())
        && (confidentiality == null || confidentiality.isEmpty()) && (subject == null || subject.isEmpty())
        && (author == null || author.isEmpty()) && (attester == null || attester.isEmpty())
        && (custodian == null || custodian.isEmpty()) && (event == null || event.isEmpty())
        && (encounter == null || encounter.isEmpty()) && (section == null || section.isEmpty());
  }

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

  @SearchParamDefinition(name = "date", path = "Composition.date", description = "Composition editing time", type = "date")
  public static final String SP_DATE = "date";
  @SearchParamDefinition(name = "identifier", path = "Composition.identifier", description = "Logical identifier of composition (version-independent)", type = "token")
  public static final String SP_IDENTIFIER = "identifier";
  @SearchParamDefinition(name = "period", path = "Composition.event.period", description = "The period covered by the documentation", type = "date")
  public static final String SP_PERIOD = "period";
  @SearchParamDefinition(name = "subject", path = "Composition.subject", description = "Who and/or what the composition is about", type = "reference")
  public static final String SP_SUBJECT = "subject";
  @SearchParamDefinition(name = "author", path = "Composition.author", description = "Who and/or what authored the composition", type = "reference")
  public static final String SP_AUTHOR = "author";
  @SearchParamDefinition(name = "confidentiality", path = "Composition.confidentiality", description = "As defined by affinity domain", type = "token")
  public static final String SP_CONFIDENTIALITY = "confidentiality";
  @SearchParamDefinition(name = "section", path = "Composition.section.code", description = "Classification of section (recommended)", type = "token")
  public static final String SP_SECTION = "section";
  @SearchParamDefinition(name = "encounter", path = "Composition.encounter", description = "Context of the Composition", type = "reference")
  public static final String SP_ENCOUNTER = "encounter";
  @SearchParamDefinition(name = "type", path = "Composition.type", description = "Kind of composition (LOINC if possible)", type = "token")
  public static final String SP_TYPE = "type";
  @SearchParamDefinition(name = "title", path = "Composition.title", description = "Human Readable name/title", type = "string")
  public static final String SP_TITLE = "title";
  @SearchParamDefinition(name = "attester", path = "Composition.attester.party", description = "Who attested the composition", type = "reference")
  public static final String SP_ATTESTER = "attester";
  @SearchParamDefinition(name = "entry", path = "Composition.section.entry", description = "A reference to data that supports this section", type = "reference")
  public static final String SP_ENTRY = "entry";
  @SearchParamDefinition(name = "patient", path = "Composition.subject", description = "Who and/or what the composition is about", type = "reference")
  public static final String SP_PATIENT = "patient";
  @SearchParamDefinition(name = "context", path = "Composition.event.code", description = "Code(s) that apply to the event being documented", type = "token")
  public static final String SP_CONTEXT = "context";
  @SearchParamDefinition(name = "class", path = "Composition.class", description = "Categorization of Composition", type = "token")
  public static final String SP_CLASS = "class";
  @SearchParamDefinition(name = "status", path = "Composition.status", description = "preliminary | final | amended | entered-in-error", type = "token")
  public static final String SP_STATUS = "status";

}