package org.hl7.fhir.r4.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 Tue, May 12, 2020 07:26+1000 for FHIR v4.0.1
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import org.hl7.fhir.exceptions.FHIRException;

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;

/**
 * A record of a device being used by a patient where the record is the result
 * of a report from the patient or another clinician.
 */
@ResourceDef(name = "DeviceUseStatement", profile = "http://hl7.org/fhir/StructureDefinition/DeviceUseStatement")
public class DeviceUseStatement extends DomainResource {

  public enum DeviceUseStatementStatus {
    /**
     * The device is still being used.
     */
    ACTIVE,
    /**
     * The device is no longer being used.
     */
    COMPLETED,
    /**
     * The statement was recorded incorrectly.
     */
    ENTEREDINERROR,
    /**
     * The device may be used at some time in the future.
     */
    INTENDED,
    /**
     * Actions implied by the statement have been permanently halted, before all of
     * them occurred.
     */
    STOPPED,
    /**
     * Actions implied by the statement have been temporarily halted, but are
     * expected to continue later. May also be called "suspended".
     */
    ONHOLD,
    /**
     * added to help the parsers with the generic types
     */
    NULL;

    public static DeviceUseStatementStatus fromCode(String codeString) throws FHIRException {
      if (codeString == null || "".equals(codeString))
        return null;
      if ("active".equals(codeString))
        return ACTIVE;
      if ("completed".equals(codeString))
        return COMPLETED;
      if ("entered-in-error".equals(codeString))
        return ENTEREDINERROR;
      if ("intended".equals(codeString))
        return INTENDED;
      if ("stopped".equals(codeString))
        return STOPPED;
      if ("on-hold".equals(codeString))
        return ONHOLD;
      if (Configuration.isAcceptInvalidEnums())
        return null;
      else
        throw new FHIRException("Unknown DeviceUseStatementStatus code '" + codeString + "'");
    }

    public String toCode() {
      switch (this) {
      case ACTIVE:
        return "active";
      case COMPLETED:
        return "completed";
      case ENTEREDINERROR:
        return "entered-in-error";
      case INTENDED:
        return "intended";
      case STOPPED:
        return "stopped";
      case ONHOLD:
        return "on-hold";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getSystem() {
      switch (this) {
      case ACTIVE:
        return "http://hl7.org/fhir/device-statement-status";
      case COMPLETED:
        return "http://hl7.org/fhir/device-statement-status";
      case ENTEREDINERROR:
        return "http://hl7.org/fhir/device-statement-status";
      case INTENDED:
        return "http://hl7.org/fhir/device-statement-status";
      case STOPPED:
        return "http://hl7.org/fhir/device-statement-status";
      case ONHOLD:
        return "http://hl7.org/fhir/device-statement-status";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getDefinition() {
      switch (this) {
      case ACTIVE:
        return "The device is still being used.";
      case COMPLETED:
        return "The device is no longer being used.";
      case ENTEREDINERROR:
        return "The statement was recorded incorrectly.";
      case INTENDED:
        return "The device may be used at some time in the future.";
      case STOPPED:
        return "Actions implied by the statement have been permanently halted, before all of them occurred.";
      case ONHOLD:
        return "Actions implied by the statement have been temporarily halted, but are expected to continue later. May also be called \"suspended\".";
      case NULL:
        return null;
      default:
        return "?";
      }
    }

    public String getDisplay() {
      switch (this) {
      case ACTIVE:
        return "Active";
      case COMPLETED:
        return "Completed";
      case ENTEREDINERROR:
        return "Entered in Error";
      case INTENDED:
        return "Intended";
      case STOPPED:
        return "Stopped";
      case ONHOLD:
        return "On Hold";
      case NULL:
        return null;
      default:
        return "?";
      }
    }
  }

  public static class DeviceUseStatementStatusEnumFactory implements EnumFactory<DeviceUseStatementStatus> {
    public DeviceUseStatementStatus fromCode(String codeString) throws IllegalArgumentException {
      if (codeString == null || "".equals(codeString))
        if (codeString == null || "".equals(codeString))
          return null;
      if ("active".equals(codeString))
        return DeviceUseStatementStatus.ACTIVE;
      if ("completed".equals(codeString))
        return DeviceUseStatementStatus.COMPLETED;
      if ("entered-in-error".equals(codeString))
        return DeviceUseStatementStatus.ENTEREDINERROR;
      if ("intended".equals(codeString))
        return DeviceUseStatementStatus.INTENDED;
      if ("stopped".equals(codeString))
        return DeviceUseStatementStatus.STOPPED;
      if ("on-hold".equals(codeString))
        return DeviceUseStatementStatus.ONHOLD;
      throw new IllegalArgumentException("Unknown DeviceUseStatementStatus code '" + codeString + "'");
    }

    public Enumeration<DeviceUseStatementStatus> fromType(PrimitiveType<?> code) throws FHIRException {
      if (code == null)
        return null;
      if (code.isEmpty())
        return new Enumeration<DeviceUseStatementStatus>(this, DeviceUseStatementStatus.NULL, code);
      String codeString = code.asStringValue();
      if (codeString == null || "".equals(codeString))
        return new Enumeration<DeviceUseStatementStatus>(this, DeviceUseStatementStatus.NULL, code);
      if ("active".equals(codeString))
        return new Enumeration<DeviceUseStatementStatus>(this, DeviceUseStatementStatus.ACTIVE, code);
      if ("completed".equals(codeString))
        return new Enumeration<DeviceUseStatementStatus>(this, DeviceUseStatementStatus.COMPLETED, code);
      if ("entered-in-error".equals(codeString))
        return new Enumeration<DeviceUseStatementStatus>(this, DeviceUseStatementStatus.ENTEREDINERROR, code);
      if ("intended".equals(codeString))
        return new Enumeration<DeviceUseStatementStatus>(this, DeviceUseStatementStatus.INTENDED, code);
      if ("stopped".equals(codeString))
        return new Enumeration<DeviceUseStatementStatus>(this, DeviceUseStatementStatus.STOPPED, code);
      if ("on-hold".equals(codeString))
        return new Enumeration<DeviceUseStatementStatus>(this, DeviceUseStatementStatus.ONHOLD, code);
      throw new FHIRException("Unknown DeviceUseStatementStatus code '" + codeString + "'");
    }

    public String toCode(DeviceUseStatementStatus code) {
       if (code == DeviceUseStatementStatus.NULL)
           return null;
       if (code == DeviceUseStatementStatus.ACTIVE)
        return "active";
      if (code == DeviceUseStatementStatus.COMPLETED)
        return "completed";
      if (code == DeviceUseStatementStatus.ENTEREDINERROR)
        return "entered-in-error";
      if (code == DeviceUseStatementStatus.INTENDED)
        return "intended";
      if (code == DeviceUseStatementStatus.STOPPED)
        return "stopped";
      if (code == DeviceUseStatementStatus.ONHOLD)
        return "on-hold";
      return "?";
   }

    public String toSystem(DeviceUseStatementStatus code) {
      return code.getSystem();
    }
  }

  /**
   * An external identifier for this statement such as an IRI.
   */
  @Child(name = "identifier", type = {
      Identifier.class }, order = 0, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = true)
  @Description(shortDefinition = "External identifier for this record", formalDefinition = "An external identifier for this statement such as an IRI.")
  protected List<Identifier> identifier;

  /**
   * A plan, proposal or order that is fulfilled in whole or in part by this
   * DeviceUseStatement.
   */
  @Child(name = "basedOn", type = {
      ServiceRequest.class }, order = 1, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = true)
  @Description(shortDefinition = "Fulfills plan, proposal or order", formalDefinition = "A plan, proposal or order that is fulfilled in whole or in part by this DeviceUseStatement.")
  protected List<Reference> basedOn;
  /**
   * The actual objects that are the target of the reference (A plan, proposal or
   * order that is fulfilled in whole or in part by this DeviceUseStatement.)
   */
  protected List<ServiceRequest> basedOnTarget;

  /**
   * A code representing the patient or other source's judgment about the state of
   * the device used that this statement is about. Generally this will be active
   * or completed.
   */
  @Child(name = "status", type = { CodeType.class }, order = 2, min = 1, max = 1, modifier = true, summary = true)
  @Description(shortDefinition = "active | completed | entered-in-error +", formalDefinition = "A code representing the patient or other source's judgment about the state of the device used that this statement is about.  Generally this will be active or completed.")
  @ca.uhn.fhir.model.api.annotation.Binding(valueSet = "http://hl7.org/fhir/ValueSet/device-statement-status")
  protected Enumeration<DeviceUseStatementStatus> status;

  /**
   * The patient who used the device.
   */
  @Child(name = "subject", type = { Patient.class,
      Group.class }, order = 3, min = 1, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Patient using device", formalDefinition = "The patient who used the device.")
  protected Reference subject;

  /**
   * The actual object that is the target of the reference (The patient who used
   * the device.)
   */
  protected Resource subjectTarget;

  /**
   * Allows linking the DeviceUseStatement to the underlying Request, or to other
   * information that supports or is used to derive the DeviceUseStatement.
   */
  @Child(name = "derivedFrom", type = { ServiceRequest.class, Procedure.class, Claim.class, Observation.class,
      QuestionnaireResponse.class,
      DocumentReference.class }, order = 4, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = true)
  @Description(shortDefinition = "Supporting information", formalDefinition = "Allows linking the DeviceUseStatement to the underlying Request, or to other information that supports or is used to derive the DeviceUseStatement.")
  protected List<Reference> derivedFrom;
  /**
   * The actual objects that are the target of the reference (Allows linking the
   * DeviceUseStatement to the underlying Request, or to other information that
   * supports or is used to derive the DeviceUseStatement.)
   */
  protected List<Resource> derivedFromTarget;

  /**
   * How often the device was used.
   */
  @Child(name = "timing", type = { Timing.class, Period.class,
      DateTimeType.class }, order = 5, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "How often  the device was used", formalDefinition = "How often the device was used.")
  protected Type timing;

  /**
   * The time at which the statement was made/recorded.
   */
  @Child(name = "recordedOn", type = {
      DateTimeType.class }, order = 6, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "When statement was recorded", formalDefinition = "The time at which the statement was made/recorded.")
  protected DateTimeType recordedOn;

  /**
   * Who reported the device was being used by the patient.
   */
  @Child(name = "source", type = { Patient.class, Practitioner.class, PractitionerRole.class,
      RelatedPerson.class }, order = 7, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Who made the statement", formalDefinition = "Who reported the device was being used by the patient.")
  protected Reference source;

  /**
   * The actual object that is the target of the reference (Who reported the
   * device was being used by the patient.)
   */
  protected Resource sourceTarget;

  /**
   * The details of the device used.
   */
  @Child(name = "device", type = { Device.class }, order = 8, min = 1, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Reference to device used", formalDefinition = "The details of the device used.")
  protected Reference device;

  /**
   * The actual object that is the target of the reference (The details of the
   * device used.)
   */
  protected Device deviceTarget;

  /**
   * Reason or justification for the use of the device.
   */
  @Child(name = "reasonCode", type = {
      CodeableConcept.class }, order = 9, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = true)
  @Description(shortDefinition = "Why device was used", formalDefinition = "Reason or justification for the use of the device.")
  protected List<CodeableConcept> reasonCode;

  /**
   * Indicates another resource whose existence justifies this DeviceUseStatement.
   */
  @Child(name = "reasonReference", type = { Condition.class, Observation.class, DiagnosticReport.class,
      DocumentReference.class,
      Media.class }, order = 10, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = true)
  @Description(shortDefinition = "Why was DeviceUseStatement performed?", formalDefinition = "Indicates another resource whose existence justifies this DeviceUseStatement.")
  protected List<Reference> reasonReference;
  /**
   * The actual objects that are the target of the reference (Indicates another
   * resource whose existence justifies this DeviceUseStatement.)
   */
  protected List<Resource> reasonReferenceTarget;

  /**
   * Indicates the anotomic location on the subject's body where the device was
   * used ( i.e. the target).
   */
  @Child(name = "bodySite", type = {
      CodeableConcept.class }, order = 11, min = 0, max = 1, modifier = false, summary = true)
  @Description(shortDefinition = "Target body site", formalDefinition = "Indicates the anotomic location on the subject's body where the device was used ( i.e. the target).")
  @ca.uhn.fhir.model.api.annotation.Binding(valueSet = "http://hl7.org/fhir/ValueSet/body-site")
  protected CodeableConcept bodySite;

  /**
   * Details about the device statement that were not represented at all or
   * sufficiently in one of the attributes provided in a class. These may include
   * for example a comment, an instruction, or a note associated with the
   * statement.
   */
  @Child(name = "note", type = {
      Annotation.class }, order = 12, min = 0, max = Child.MAX_UNLIMITED, modifier = false, summary = false)
  @Description(shortDefinition = "Addition details (comments, instructions)", formalDefinition = "Details about the device statement that were not represented at all or sufficiently in one of the attributes provided in a class. These may include for example a comment, an instruction, or a note associated with the statement.")
  protected List<Annotation> note;

  private static final long serialVersionUID = -968330048L;

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

  /**
   * Constructor
   */
  public DeviceUseStatement(Enumeration<DeviceUseStatementStatus> status, Reference subject, Reference device) {
    super();
    this.status = status;
    this.subject = subject;
    this.device = device;
  }

  /**
   * @return {@link #identifier} (An external identifier for this statement such
   *         as an IRI.)
   */
  public List<Identifier> getIdentifier() {
    if (this.identifier == null)
      this.identifier = new ArrayList<Identifier>();
    return this.identifier;
  }

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

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

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

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

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

  /**
   * @return {@link #basedOn} (A plan, proposal or order that is fulfilled in
   *         whole or in part by this DeviceUseStatement.)
   */
  public List<Reference> getBasedOn() {
    if (this.basedOn == null)
      this.basedOn = new ArrayList<Reference>();
    return this.basedOn;
  }

  /**
   * @return Returns a reference to <code>this</code> for easy method chaining
   */
  public DeviceUseStatement setBasedOn(List<Reference> theBasedOn) {
    this.basedOn = theBasedOn;
    return this;
  }

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

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

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

  /**
   * @return The first repetition of repeating field {@link #basedOn}, creating it
   *         if it does not already exist
   */
  public Reference getBasedOnFirstRep() {
    if (getBasedOn().isEmpty()) {
      addBasedOn();
    }
    return getBasedOn().get(0);
  }

  /**
   * @return {@link #status} (A code representing the patient or other source's
   *         judgment about the state of the device used that this statement is
   *         about. Generally this will be active or completed.). This is the
   *         underlying object with id, value and extensions. The accessor
   *         "getStatus" gives direct access to the value
   */
  public Enumeration<DeviceUseStatementStatus> getStatusElement() {
    if (this.status == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create DeviceUseStatement.status");
      else if (Configuration.doAutoCreate())
        this.status = new Enumeration<DeviceUseStatementStatus>(new DeviceUseStatementStatusEnumFactory()); // 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} (A code representing the patient or other
   *              source's judgment about the state of the device used that this
   *              statement is about. Generally this will be active or
   *              completed.). This is the underlying object with id, value and
   *              extensions. The accessor "getStatus" gives direct access to the
   *              value
   */
  public DeviceUseStatement setStatusElement(Enumeration<DeviceUseStatementStatus> value) {
    this.status = value;
    return this;
  }

  /**
   * @return A code representing the patient or other source's judgment about the
   *         state of the device used that this statement is about. Generally this
   *         will be active or completed.
   */
  public DeviceUseStatementStatus getStatus() {
    return this.status == null ? null : this.status.getValue();
  }

  /**
   * @param value A code representing the patient or other source's judgment about
   *              the state of the device used that this statement is about.
   *              Generally this will be active or completed.
   */
  public DeviceUseStatement setStatus(DeviceUseStatementStatus value) {
    if (this.status == null)
      this.status = new Enumeration<DeviceUseStatementStatus>(new DeviceUseStatementStatusEnumFactory());
    this.status.setValue(value);
    return this;
  }

  /**
   * @return {@link #subject} (The patient who used the device.)
   */
  public Reference getSubject() {
    if (this.subject == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create DeviceUseStatement.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} (The patient who used the device.)
   */
  public DeviceUseStatement 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. (The patient who used
   *         the device.)
   */
  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. (The patient who
   *              used the device.)
   */
  public DeviceUseStatement setSubjectTarget(Resource value) {
    this.subjectTarget = value;
    return this;
  }

  /**
   * @return {@link #derivedFrom} (Allows linking the DeviceUseStatement to the
   *         underlying Request, or to other information that supports or is used
   *         to derive the DeviceUseStatement.)
   */
  public List<Reference> getDerivedFrom() {
    if (this.derivedFrom == null)
      this.derivedFrom = new ArrayList<Reference>();
    return this.derivedFrom;
  }

  /**
   * @return Returns a reference to <code>this</code> for easy method chaining
   */
  public DeviceUseStatement setDerivedFrom(List<Reference> theDerivedFrom) {
    this.derivedFrom = theDerivedFrom;
    return this;
  }

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

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

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

  /**
   * @return The first repetition of repeating field {@link #derivedFrom},
   *         creating it if it does not already exist
   */
  public Reference getDerivedFromFirstRep() {
    if (getDerivedFrom().isEmpty()) {
      addDerivedFrom();
    }
    return getDerivedFrom().get(0);
  }

  /**
   * @return {@link #timing} (How often the device was used.)
   */
  public Type getTiming() {
    return this.timing;
  }

  /**
   * @return {@link #timing} (How often the device was used.)
   */
  public Timing getTimingTiming() throws FHIRException {
    if (this.timing == null)
      this.timing = new Timing();
    if (!(this.timing instanceof Timing))
      throw new FHIRException(
          "Type mismatch: the type Timing was expected, but " + this.timing.getClass().getName() + " was encountered");
    return (Timing) this.timing;
  }

  public boolean hasTimingTiming() {
      return this.timing instanceof Timing;
  }

  /**
   * @return {@link #timing} (How often the device was used.)
   */
  public Period getTimingPeriod() throws FHIRException {
    if (this.timing == null)
      this.timing = new Period();
    if (!(this.timing instanceof Period))
      throw new FHIRException(
          "Type mismatch: the type Period was expected, but " + this.timing.getClass().getName() + " was encountered");
    return (Period) this.timing;
  }

  public boolean hasTimingPeriod() {
      return this.timing instanceof Period;
  }

  /**
   * @return {@link #timing} (How often the device was used.)
   */
  public DateTimeType getTimingDateTimeType() throws FHIRException {
    if (this.timing == null)
      this.timing = new DateTimeType();
    if (!(this.timing instanceof DateTimeType))
      throw new FHIRException("Type mismatch: the type DateTimeType was expected, but "
          + this.timing.getClass().getName() + " was encountered");
    return (DateTimeType) this.timing;
  }

  public boolean hasTimingDateTimeType() {
      return this.timing instanceof DateTimeType;
  }

  public boolean hasTiming() {
    return this.timing != null && !this.timing.isEmpty();
  }

  /**
   * @param value {@link #timing} (How often the device was used.)
   */
  public DeviceUseStatement setTiming(Type value) {
    if (value != null && !(value instanceof Timing || value instanceof Period || value instanceof DateTimeType))
      throw new Error("Not the right type for DeviceUseStatement.timing[x]: " + value.fhirType());
    this.timing = value;
    return this;
  }

  /**
   * @return {@link #recordedOn} (The time at which the statement was
   *         made/recorded.). This is the underlying object with id, value and
   *         extensions. The accessor "getRecordedOn" gives direct access to the
   *         value
   */
  public DateTimeType getRecordedOnElement() {
    if (this.recordedOn == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create DeviceUseStatement.recordedOn");
      else if (Configuration.doAutoCreate())
        this.recordedOn = new DateTimeType(); // bb
    return this.recordedOn;
  }

  public boolean hasRecordedOnElement() {
    return this.recordedOn != null && !this.recordedOn.isEmpty();
  }

  public boolean hasRecordedOn() {
    return this.recordedOn != null && !this.recordedOn.isEmpty();
  }

  /**
   * @param value {@link #recordedOn} (The time at which the statement was
   *              made/recorded.). This is the underlying object with id, value
   *              and extensions. The accessor "getRecordedOn" gives direct access
   *              to the value
   */
  public DeviceUseStatement setRecordedOnElement(DateTimeType value) {
    this.recordedOn = value;
    return this;
  }

  /**
   * @return The time at which the statement was made/recorded.
   */
  public Date getRecordedOn() {
    return this.recordedOn == null ? null : this.recordedOn.getValue();
  }

  /**
   * @param value The time at which the statement was made/recorded.
   */
  public DeviceUseStatement setRecordedOn(Date value) {
    if (value == null)
      this.recordedOn = null;
    else {
      if (this.recordedOn == null)
        this.recordedOn = new DateTimeType();
      this.recordedOn.setValue(value);
    }
    return this;
  }

  /**
   * @return {@link #source} (Who reported the device was being used by the
   *         patient.)
   */
  public Reference getSource() {
    if (this.source == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create DeviceUseStatement.source");
      else if (Configuration.doAutoCreate())
        this.source = new Reference(); // cc
    return this.source;
  }

  public boolean hasSource() {
    return this.source != null && !this.source.isEmpty();
  }

  /**
   * @param value {@link #source} (Who reported the device was being used by the
   *              patient.)
   */
  public DeviceUseStatement setSource(Reference value) {
    this.source = value;
    return this;
  }

  /**
   * @return {@link #source} 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 reported the
   *         device was being used by the patient.)
   */
  public Resource getSourceTarget() {
    return this.sourceTarget;
  }

  /**
   * @param value {@link #source} 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 reported the
   *              device was being used by the patient.)
   */
  public DeviceUseStatement setSourceTarget(Resource value) {
    this.sourceTarget = value;
    return this;
  }

  /**
   * @return {@link #device} (The details of the device used.)
   */
  public Reference getDevice() {
    if (this.device == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create DeviceUseStatement.device");
      else if (Configuration.doAutoCreate())
        this.device = new Reference(); // cc
    return this.device;
  }

  public boolean hasDevice() {
    return this.device != null && !this.device.isEmpty();
  }

  /**
   * @param value {@link #device} (The details of the device used.)
   */
  public DeviceUseStatement setDevice(Reference value) {
    this.device = value;
    return this;
  }

  /**
   * @return {@link #device} 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. (The details of the
   *         device used.)
   */
  public Device getDeviceTarget() {
    if (this.deviceTarget == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create DeviceUseStatement.device");
      else if (Configuration.doAutoCreate())
        this.deviceTarget = new Device(); // aa
    return this.deviceTarget;
  }

  /**
   * @param value {@link #device} 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. (The details of
   *              the device used.)
   */
  public DeviceUseStatement setDeviceTarget(Device value) {
    this.deviceTarget = value;
    return this;
  }

  /**
   * @return {@link #reasonCode} (Reason or justification for the use of the
   *         device.)
   */
  public List<CodeableConcept> getReasonCode() {
    if (this.reasonCode == null)
      this.reasonCode = new ArrayList<CodeableConcept>();
    return this.reasonCode;
  }

  /**
   * @return Returns a reference to <code>this</code> for easy method chaining
   */
  public DeviceUseStatement setReasonCode(List<CodeableConcept> theReasonCode) {
    this.reasonCode = theReasonCode;
    return this;
  }

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

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

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

  /**
   * @return The first repetition of repeating field {@link #reasonCode}, creating
   *         it if it does not already exist
   */
  public CodeableConcept getReasonCodeFirstRep() {
    if (getReasonCode().isEmpty()) {
      addReasonCode();
    }
    return getReasonCode().get(0);
  }

  /**
   * @return {@link #reasonReference} (Indicates another resource whose existence
   *         justifies this DeviceUseStatement.)
   */
  public List<Reference> getReasonReference() {
    if (this.reasonReference == null)
      this.reasonReference = new ArrayList<Reference>();
    return this.reasonReference;
  }

  /**
   * @return Returns a reference to <code>this</code> for easy method chaining
   */
  public DeviceUseStatement setReasonReference(List<Reference> theReasonReference) {
    this.reasonReference = theReasonReference;
    return this;
  }

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

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

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

  /**
   * @return The first repetition of repeating field {@link #reasonReference},
   *         creating it if it does not already exist
   */
  public Reference getReasonReferenceFirstRep() {
    if (getReasonReference().isEmpty()) {
      addReasonReference();
    }
    return getReasonReference().get(0);
  }

  /**
   * @return {@link #bodySite} (Indicates the anotomic location on the subject's
   *         body where the device was used ( i.e. the target).)
   */
  public CodeableConcept getBodySite() {
    if (this.bodySite == null)
      if (Configuration.errorOnAutoCreate())
        throw new Error("Attempt to auto-create DeviceUseStatement.bodySite");
      else if (Configuration.doAutoCreate())
        this.bodySite = new CodeableConcept(); // cc
    return this.bodySite;
  }

  public boolean hasBodySite() {
    return this.bodySite != null && !this.bodySite.isEmpty();
  }

  /**
   * @param value {@link #bodySite} (Indicates the anotomic location on the
   *              subject's body where the device was used ( i.e. the target).)
   */
  public DeviceUseStatement setBodySite(CodeableConcept value) {
    this.bodySite = value;
    return this;
  }

  /**
   * @return {@link #note} (Details about the device statement that were not
   *         represented at all or sufficiently in one of the attributes provided
   *         in a class. These may include for example a comment, an instruction,
   *         or a note associated with the statement.)
   */
  public List<Annotation> getNote() {
    if (this.note == null)
      this.note = new ArrayList<Annotation>();
    return this.note;
  }

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

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

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

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

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

  protected void listChildren(List<Property> children) {
    super.listChildren(children);
    children.add(new Property("identifier", "Identifier", "An external identifier for this statement such as an IRI.",
        0, java.lang.Integer.MAX_VALUE, identifier));
    children.add(new Property("basedOn", "Reference(ServiceRequest)",
        "A plan, proposal or order that is fulfilled in whole or in part by this DeviceUseStatement.", 0,
        java.lang.Integer.MAX_VALUE, basedOn));
    children.add(new Property("status", "code",
        "A code representing the patient or other source's judgment about the state of the device used that this statement is about.  Generally this will be active or completed.",
        0, 1, status));
    children
        .add(new Property("subject", "Reference(Patient|Group)", "The patient who used the device.", 0, 1, subject));
    children.add(new Property("derivedFrom",
        "Reference(ServiceRequest|Procedure|Claim|Observation|QuestionnaireResponse|DocumentReference)",
        "Allows linking the DeviceUseStatement to the underlying Request, or to other information that supports or is used to derive the DeviceUseStatement.",
        0, java.lang.Integer.MAX_VALUE, derivedFrom));
    children.add(new Property("timing[x]", "Timing|Period|dateTime", "How often the device was used.", 0, 1, timing));
    children.add(
        new Property("recordedOn", "dateTime", "The time at which the statement was made/recorded.", 0, 1, recordedOn));
    children.add(new Property("source", "Reference(Patient|Practitioner|PractitionerRole|RelatedPerson)",
        "Who reported the device was being used by the patient.", 0, 1, source));
    children.add(new Property("device", "Reference(Device)", "The details of the device used.", 0, 1, device));
    children.add(new Property("reasonCode", "CodeableConcept", "Reason or justification for the use of the device.", 0,
        java.lang.Integer.MAX_VALUE, reasonCode));
    children.add(
        new Property("reasonReference", "Reference(Condition|Observation|DiagnosticReport|DocumentReference|Media)",
            "Indicates another resource whose existence justifies this DeviceUseStatement.", 0,
            java.lang.Integer.MAX_VALUE, reasonReference));
    children.add(new Property("bodySite", "CodeableConcept",
        "Indicates the anotomic location on the subject's body where the device was used ( i.e. the target).", 0, 1,
        bodySite));
    children.add(new Property("note", "Annotation",
        "Details about the device statement that were not represented at all or sufficiently in one of the attributes provided in a class. These may include for example a comment, an instruction, or a note associated with the statement.",
        0, java.lang.Integer.MAX_VALUE, note));
  }

  @Override
  public Property getNamedProperty(int _hash, String _name, boolean _checkValid) throws FHIRException {
    switch (_hash) {
    case -1618432855:
      /* identifier */ return new Property("identifier", "Identifier",
          "An external identifier for this statement such as an IRI.", 0, java.lang.Integer.MAX_VALUE, identifier);
    case -332612366:
      /* basedOn */ return new Property("basedOn", "Reference(ServiceRequest)",
          "A plan, proposal or order that is fulfilled in whole or in part by this DeviceUseStatement.", 0,
          java.lang.Integer.MAX_VALUE, basedOn);
    case -892481550:
      /* status */ return new Property("status", "code",
          "A code representing the patient or other source's judgment about the state of the device used that this statement is about.  Generally this will be active or completed.",
          0, 1, status);
    case -1867885268:
      /* subject */ return new Property("subject", "Reference(Patient|Group)", "The patient who used the device.", 0, 1,
          subject);
    case 1077922663:
      /* derivedFrom */ return new Property("derivedFrom",
          "Reference(ServiceRequest|Procedure|Claim|Observation|QuestionnaireResponse|DocumentReference)",
          "Allows linking the DeviceUseStatement to the underlying Request, or to other information that supports or is used to derive the DeviceUseStatement.",
          0, java.lang.Integer.MAX_VALUE, derivedFrom);
    case 164632566:
      /* timing[x] */ return new Property("timing[x]", "Timing|Period|dateTime", "How often the device was used.", 0, 1,
          timing);
    case -873664438:
      /* timing */ return new Property("timing[x]", "Timing|Period|dateTime", "How often the device was used.", 0, 1,
          timing);
    case -497554124:
      /* timingTiming */ return new Property("timing[x]", "Timing|Period|dateTime", "How often the device was used.", 0,
          1, timing);
    case -615615829:
      /* timingPeriod */ return new Property("timing[x]", "Timing|Period|dateTime", "How often the device was used.", 0,
          1, timing);
    case -1837458939:
      /* timingDateTime */ return new Property("timing[x]", "Timing|Period|dateTime", "How often the device was used.",
          0, 1, timing);
    case 735397551:
      /* recordedOn */ return new Property("recordedOn", "dateTime",
          "The time at which the statement was made/recorded.", 0, 1, recordedOn);
    case -896505829:
      /* source */ return new Property("source", "Reference(Patient|Practitioner|PractitionerRole|RelatedPerson)",
          "Who reported the device was being used by the patient.", 0, 1, source);
    case -1335157162:
      /* device */ return new Property("device", "Reference(Device)", "The details of the device used.", 0, 1, device);
    case 722137681:
      /* reasonCode */ return new Property("reasonCode", "CodeableConcept",
          "Reason or justification for the use of the device.", 0, java.lang.Integer.MAX_VALUE, reasonCode);
    case -1146218137:
      /* reasonReference */ return new Property("reasonReference",
          "Reference(Condition|Observation|DiagnosticReport|DocumentReference|Media)",
          "Indicates another resource whose existence justifies this DeviceUseStatement.", 0,
          java.lang.Integer.MAX_VALUE, reasonReference);
    case 1702620169:
      /* bodySite */ return new Property("bodySite", "CodeableConcept",
          "Indicates the anotomic location on the subject's body where the device was used ( i.e. the target).", 0, 1,
          bodySite);
    case 3387378:
      /* note */ return new Property("note", "Annotation",
          "Details about the device statement that were not represented at all or sufficiently in one of the attributes provided in a class. These may include for example a comment, an instruction, or a note associated with the statement.",
          0, java.lang.Integer.MAX_VALUE, note);
    default:
      return super.getNamedProperty(_hash, _name, _checkValid);
    }

  }

  @Override
  public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
    switch (hash) {
    case -1618432855:
      /* identifier */ return this.identifier == null ? new Base[0]
          : this.identifier.toArray(new Base[this.identifier.size()]); // Identifier
    case -332612366:
      /* basedOn */ return this.basedOn == null ? new Base[0] : this.basedOn.toArray(new Base[this.basedOn.size()]); // Reference
    case -892481550:
      /* status */ return this.status == null ? new Base[0] : new Base[] { this.status }; // Enumeration<DeviceUseStatementStatus>
    case -1867885268:
      /* subject */ return this.subject == null ? new Base[0] : new Base[] { this.subject }; // Reference
    case 1077922663:
      /* derivedFrom */ return this.derivedFrom == null ? new Base[0]
          : this.derivedFrom.toArray(new Base[this.derivedFrom.size()]); // Reference
    case -873664438:
      /* timing */ return this.timing == null ? new Base[0] : new Base[] { this.timing }; // Type
    case 735397551:
      /* recordedOn */ return this.recordedOn == null ? new Base[0] : new Base[] { this.recordedOn }; // DateTimeType
    case -896505829:
      /* source */ return this.source == null ? new Base[0] : new Base[] { this.source }; // Reference
    case -1335157162:
      /* device */ return this.device == null ? new Base[0] : new Base[] { this.device }; // Reference
    case 722137681:
      /* reasonCode */ return this.reasonCode == null ? new Base[0]
          : this.reasonCode.toArray(new Base[this.reasonCode.size()]); // CodeableConcept
    case -1146218137:
      /* reasonReference */ return this.reasonReference == null ? new Base[0]
          : this.reasonReference.toArray(new Base[this.reasonReference.size()]); // Reference
    case 1702620169:
      /* bodySite */ return this.bodySite == null ? new Base[0] : new Base[] { this.bodySite }; // CodeableConcept
    case 3387378:
      /* note */ return this.note == null ? new Base[0] : this.note.toArray(new Base[this.note.size()]); // Annotation
    default:
      return super.getProperty(hash, name, checkValid);
    }

  }

  @Override
  public Base setProperty(int hash, String name, Base value) throws FHIRException {
    switch (hash) {
    case -1618432855: // identifier
      this.getIdentifier().add(castToIdentifier(value)); // Identifier
      return value;
    case -332612366: // basedOn
      this.getBasedOn().add(castToReference(value)); // Reference
      return value;
    case -892481550: // status
      value = new DeviceUseStatementStatusEnumFactory().fromType(castToCode(value));
      this.status = (Enumeration) value; // Enumeration<DeviceUseStatementStatus>
      return value;
    case -1867885268: // subject
      this.subject = castToReference(value); // Reference
      return value;
    case 1077922663: // derivedFrom
      this.getDerivedFrom().add(castToReference(value)); // Reference
      return value;
    case -873664438: // timing
      this.timing = castToType(value); // Type
      return value;
    case 735397551: // recordedOn
      this.recordedOn = castToDateTime(value); // DateTimeType
      return value;
    case -896505829: // source
      this.source = castToReference(value); // Reference
      return value;
    case -1335157162: // device
      this.device = castToReference(value); // Reference
      return value;
    case 722137681: // reasonCode
      this.getReasonCode().add(castToCodeableConcept(value)); // CodeableConcept
      return value;
    case -1146218137: // reasonReference
      this.getReasonReference().add(castToReference(value)); // Reference
      return value;
    case 1702620169: // bodySite
      this.bodySite = castToCodeableConcept(value); // CodeableConcept
      return value;
    case 3387378: // note
      this.getNote().add(castToAnnotation(value)); // Annotation
      return value;
    default:
      return super.setProperty(hash, name, value);
    }

  }

  @Override
  public Base setProperty(String name, Base value) throws FHIRException {
    if (name.equals("identifier")) {
      this.getIdentifier().add(castToIdentifier(value));
    } else if (name.equals("basedOn")) {
      this.getBasedOn().add(castToReference(value));
    } else if (name.equals("status")) {
      value = new DeviceUseStatementStatusEnumFactory().fromType(castToCode(value));
      this.status = (Enumeration) value; // Enumeration<DeviceUseStatementStatus>
    } else if (name.equals("subject")) {
      this.subject = castToReference(value); // Reference
    } else if (name.equals("derivedFrom")) {
      this.getDerivedFrom().add(castToReference(value));
    } else if (name.equals("timing[x]")) {
      this.timing = castToType(value); // Type
    } else if (name.equals("recordedOn")) {
      this.recordedOn = castToDateTime(value); // DateTimeType
    } else if (name.equals("source")) {
      this.source = castToReference(value); // Reference
    } else if (name.equals("device")) {
      this.device = castToReference(value); // Reference
    } else if (name.equals("reasonCode")) {
      this.getReasonCode().add(castToCodeableConcept(value));
    } else if (name.equals("reasonReference")) {
      this.getReasonReference().add(castToReference(value));
    } else if (name.equals("bodySite")) {
      this.bodySite = castToCodeableConcept(value); // CodeableConcept
    } else if (name.equals("note")) {
      this.getNote().add(castToAnnotation(value));
    } else
      return super.setProperty(name, value);
    return value;
  }

  @Override
  public void removeChild(String name, Base value) throws FHIRException {
    if (name.equals("identifier")) {
      this.getIdentifier().remove(castToIdentifier(value));
    } else if (name.equals("basedOn")) {
      this.getBasedOn().remove(castToReference(value));
    } else if (name.equals("status")) {
      this.status = null;
    } else if (name.equals("subject")) {
      this.subject = null;
    } else if (name.equals("derivedFrom")) {
      this.getDerivedFrom().remove(castToReference(value));
    } else if (name.equals("timing[x]")) {
      this.timing = null;
    } else if (name.equals("recordedOn")) {
      this.recordedOn = null;
    } else if (name.equals("source")) {
      this.source = null;
    } else if (name.equals("device")) {
      this.device = null;
    } else if (name.equals("reasonCode")) {
      this.getReasonCode().remove(castToCodeableConcept(value));
    } else if (name.equals("reasonReference")) {
      this.getReasonReference().remove(castToReference(value));
    } else if (name.equals("bodySite")) {
      this.bodySite = null;
    } else if (name.equals("note")) {
      this.getNote().remove(castToAnnotation(value));
    } else
      super.removeChild(name, value);
    
  }

  @Override
  public Base makeProperty(int hash, String name) throws FHIRException {
    switch (hash) {
    case -1618432855:
      return addIdentifier();
    case -332612366:
      return addBasedOn();
    case -892481550:
      return getStatusElement();
    case -1867885268:
      return getSubject();
    case 1077922663:
      return addDerivedFrom();
    case 164632566:
      return getTiming();
    case -873664438:
      return getTiming();
    case 735397551:
      return getRecordedOnElement();
    case -896505829:
      return getSource();
    case -1335157162:
      return getDevice();
    case 722137681:
      return addReasonCode();
    case -1146218137:
      return addReasonReference();
    case 1702620169:
      return getBodySite();
    case 3387378:
      return addNote();
    default:
      return super.makeProperty(hash, name);
    }

  }

  @Override
  public String[] getTypesForProperty(int hash, String name) throws FHIRException {
    switch (hash) {
    case -1618432855:
      /* identifier */ return new String[] { "Identifier" };
    case -332612366:
      /* basedOn */ return new String[] { "Reference" };
    case -892481550:
      /* status */ return new String[] { "code" };
    case -1867885268:
      /* subject */ return new String[] { "Reference" };
    case 1077922663:
      /* derivedFrom */ return new String[] { "Reference" };
    case -873664438:
      /* timing */ return new String[] { "Timing", "Period", "dateTime" };
    case 735397551:
      /* recordedOn */ return new String[] { "dateTime" };
    case -896505829:
      /* source */ return new String[] { "Reference" };
    case -1335157162:
      /* device */ return new String[] { "Reference" };
    case 722137681:
      /* reasonCode */ return new String[] { "CodeableConcept" };
    case -1146218137:
      /* reasonReference */ return new String[] { "Reference" };
    case 1702620169:
      /* bodySite */ return new String[] { "CodeableConcept" };
    case 3387378:
      /* note */ return new String[] { "Annotation" };
    default:
      return super.getTypesForProperty(hash, name);
    }

  }

  @Override
  public Base addChild(String name) throws FHIRException {
    if (name.equals("identifier")) {
      return addIdentifier();
    } else if (name.equals("basedOn")) {
      return addBasedOn();
    } else if (name.equals("status")) {
      throw new FHIRException("Cannot call addChild on a singleton property DeviceUseStatement.status");
    } else if (name.equals("subject")) {
      this.subject = new Reference();
      return this.subject;
    } else if (name.equals("derivedFrom")) {
      return addDerivedFrom();
    } else if (name.equals("timingTiming")) {
      this.timing = new Timing();
      return this.timing;
    } else if (name.equals("timingPeriod")) {
      this.timing = new Period();
      return this.timing;
    } else if (name.equals("timingDateTime")) {
      this.timing = new DateTimeType();
      return this.timing;
    } else if (name.equals("recordedOn")) {
      throw new FHIRException("Cannot call addChild on a singleton property DeviceUseStatement.recordedOn");
    } else if (name.equals("source")) {
      this.source = new Reference();
      return this.source;
    } else if (name.equals("device")) {
      this.device = new Reference();
      return this.device;
    } else if (name.equals("reasonCode")) {
      return addReasonCode();
    } else if (name.equals("reasonReference")) {
      return addReasonReference();
    } else if (name.equals("bodySite")) {
      this.bodySite = new CodeableConcept();
      return this.bodySite;
    } else if (name.equals("note")) {
      return addNote();
    } else
      return super.addChild(name);
  }

  public String fhirType() {
    return "DeviceUseStatement";

  }

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

  public void copyValues(DeviceUseStatement dst) {
    super.copyValues(dst);
    if (identifier != null) {
      dst.identifier = new ArrayList<Identifier>();
      for (Identifier i : identifier)
        dst.identifier.add(i.copy());
    }
    ;
    if (basedOn != null) {
      dst.basedOn = new ArrayList<Reference>();
      for (Reference i : basedOn)
        dst.basedOn.add(i.copy());
    }
    ;
    dst.status = status == null ? null : status.copy();
    dst.subject = subject == null ? null : subject.copy();
    if (derivedFrom != null) {
      dst.derivedFrom = new ArrayList<Reference>();
      for (Reference i : derivedFrom)
        dst.derivedFrom.add(i.copy());
    }
    ;
    dst.timing = timing == null ? null : timing.copy();
    dst.recordedOn = recordedOn == null ? null : recordedOn.copy();
    dst.source = source == null ? null : source.copy();
    dst.device = device == null ? null : device.copy();
    if (reasonCode != null) {
      dst.reasonCode = new ArrayList<CodeableConcept>();
      for (CodeableConcept i : reasonCode)
        dst.reasonCode.add(i.copy());
    }
    ;
    if (reasonReference != null) {
      dst.reasonReference = new ArrayList<Reference>();
      for (Reference i : reasonReference)
        dst.reasonReference.add(i.copy());
    }
    ;
    dst.bodySite = bodySite == null ? null : bodySite.copy();
    if (note != null) {
      dst.note = new ArrayList<Annotation>();
      for (Annotation i : note)
        dst.note.add(i.copy());
    }
    ;
  }

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

  @Override
  public boolean equalsDeep(Base other_) {
    if (!super.equalsDeep(other_))
      return false;
    if (!(other_ instanceof DeviceUseStatement))
      return false;
    DeviceUseStatement o = (DeviceUseStatement) other_;
    return compareDeep(identifier, o.identifier, true) && compareDeep(basedOn, o.basedOn, true)
        && compareDeep(status, o.status, true) && compareDeep(subject, o.subject, true)
        && compareDeep(derivedFrom, o.derivedFrom, true) && compareDeep(timing, o.timing, true)
        && compareDeep(recordedOn, o.recordedOn, true) && compareDeep(source, o.source, true)
        && compareDeep(device, o.device, true) && compareDeep(reasonCode, o.reasonCode, true)
        && compareDeep(reasonReference, o.reasonReference, true) && compareDeep(bodySite, o.bodySite, true)
        && compareDeep(note, o.note, true);
  }

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

  public boolean isEmpty() {
    return super.isEmpty() && ca.uhn.fhir.util.ElementUtil.isEmpty(identifier, basedOn, status, subject, derivedFrom,
        timing, recordedOn, source, device, reasonCode, reasonReference, bodySite, note);
  }

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

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

  /**
   * Search parameter: <b>subject</b>
   * <p>
   * Description: <b>Search by subject</b><br>
   * Type: <b>reference</b><br>
   * Path: <b>DeviceUseStatement.subject</b><br>
   * </p>
   */
  @SearchParamDefinition(name = "subject", path = "DeviceUseStatement.subject", description = "Search by subject", type = "reference", providesMembershipIn = {
      @ca.uhn.fhir.model.api.annotation.Compartment(name = "Patient") }, target = { Group.class, Patient.class })
  public static final String SP_SUBJECT = "subject";
  /**
   * <b>Fluent Client</b> search parameter constant for <b>subject</b>
   * <p>
   * Description: <b>Search by subject</b><br>
   * Type: <b>reference</b><br>
   * Path: <b>DeviceUseStatement.subject</b><br>
   * </p>
   */
  public static final ca.uhn.fhir.rest.gclient.ReferenceClientParam SUBJECT = new ca.uhn.fhir.rest.gclient.ReferenceClientParam(
      SP_SUBJECT);

  /**
   * Constant for fluent queries to be used to add include statements. Specifies
   * the path value of "<b>DeviceUseStatement:subject</b>".
   */
  public static final ca.uhn.fhir.model.api.Include INCLUDE_SUBJECT = new ca.uhn.fhir.model.api.Include(
      "DeviceUseStatement:subject").toLocked();

  /**
   * Search parameter: <b>patient</b>
   * <p>
   * Description: <b>Search by subject - a patient</b><br>
   * Type: <b>reference</b><br>
   * Path: <b>DeviceUseStatement.subject</b><br>
   * </p>
   */
  @SearchParamDefinition(name = "patient", path = "DeviceUseStatement.subject", description = "Search by subject - a patient", type = "reference", target = {
      Group.class, Patient.class })
  public static final String SP_PATIENT = "patient";
  /**
   * <b>Fluent Client</b> search parameter constant for <b>patient</b>
   * <p>
   * Description: <b>Search by subject - a patient</b><br>
   * Type: <b>reference</b><br>
   * Path: <b>DeviceUseStatement.subject</b><br>
   * </p>
   */
  public static final ca.uhn.fhir.rest.gclient.ReferenceClientParam PATIENT = new ca.uhn.fhir.rest.gclient.ReferenceClientParam(
      SP_PATIENT);

  /**
   * Constant for fluent queries to be used to add include statements. Specifies
   * the path value of "<b>DeviceUseStatement:patient</b>".
   */
  public static final ca.uhn.fhir.model.api.Include INCLUDE_PATIENT = new ca.uhn.fhir.model.api.Include(
      "DeviceUseStatement:patient").toLocked();

  /**
   * Search parameter: <b>device</b>
   * <p>
   * Description: <b>Search by device</b><br>
   * Type: <b>reference</b><br>
   * Path: <b>DeviceUseStatement.device</b><br>
   * </p>
   */
  @SearchParamDefinition(name = "device", path = "DeviceUseStatement.device", description = "Search by device", type = "reference", providesMembershipIn = {
      @ca.uhn.fhir.model.api.annotation.Compartment(name = "Device") }, target = { Device.class })
  public static final String SP_DEVICE = "device";
  /**
   * <b>Fluent Client</b> search parameter constant for <b>device</b>
   * <p>
   * Description: <b>Search by device</b><br>
   * Type: <b>reference</b><br>
   * Path: <b>DeviceUseStatement.device</b><br>
   * </p>
   */
  public static final ca.uhn.fhir.rest.gclient.ReferenceClientParam DEVICE = new ca.uhn.fhir.rest.gclient.ReferenceClientParam(
      SP_DEVICE);

  /**
   * Constant for fluent queries to be used to add include statements. Specifies
   * the path value of "<b>DeviceUseStatement:device</b>".
   */
  public static final ca.uhn.fhir.model.api.Include INCLUDE_DEVICE = new ca.uhn.fhir.model.api.Include(
      "DeviceUseStatement:device").toLocked();

}