package org.hl7.fhir.dstu2016may.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 Sun, May 8, 2016 03:05+1000 for FHIR v1.4.0
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

import org.hl7.fhir.exceptions.FHIRException;
import org.hl7.fhir.instance.model.api.IBaseBackboneElement;
import org.hl7.fhir.utilities.Utilities;

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;
/**
 * A structured set of questions and their answers. The questions are ordered and grouped into coherent subsets, corresponding to the structure of the grouping of the underlying questions.
 */
@ResourceDef(name="QuestionnaireResponse", profile="http://hl7.org/fhir/Profile/QuestionnaireResponse")
public class QuestionnaireResponse extends DomainResource {

    public enum QuestionnaireResponseStatus {
        /**
         * This QuestionnaireResponse has been partially filled out with answers, but changes or additions are still expected to be made to it.
         */
        INPROGRESS, 
        /**
         * This QuestionnaireResponse has been filled out with answers, and the current content is regarded as definitive.
         */
        COMPLETED, 
        /**
         * This QuestionnaireResponse has been filled out with answers, then marked as complete, yet changes or additions have been made to it afterwards.
         */
        AMENDED, 
        /**
         * added to help the parsers
         */
        NULL;
        public static QuestionnaireResponseStatus fromCode(String codeString) throws FHIRException {
            if (codeString == null || "".equals(codeString))
                return null;
        if ("in-progress".equals(codeString))
          return INPROGRESS;
        if ("completed".equals(codeString))
          return COMPLETED;
        if ("amended".equals(codeString))
          return AMENDED;
        throw new FHIRException("Unknown QuestionnaireResponseStatus code '"+codeString+"'");
        }
        public String toCode() {
          switch (this) {
            case INPROGRESS: return "in-progress";
            case COMPLETED: return "completed";
            case AMENDED: return "amended";
            default: return "?";
          }
        }
        public String getSystem() {
          switch (this) {
            case INPROGRESS: return "http://hl7.org/fhir/questionnaire-answers-status";
            case COMPLETED: return "http://hl7.org/fhir/questionnaire-answers-status";
            case AMENDED: return "http://hl7.org/fhir/questionnaire-answers-status";
            default: return "?";
          }
        }
        public String getDefinition() {
          switch (this) {
            case INPROGRESS: return "This QuestionnaireResponse has been partially filled out with answers, but changes or additions are still expected to be made to it.";
            case COMPLETED: return "This QuestionnaireResponse has been filled out with answers, and the current content is regarded as definitive.";
            case AMENDED: return "This QuestionnaireResponse has been filled out with answers, then marked as complete, yet changes or additions have been made to it afterwards.";
            default: return "?";
          }
        }
        public String getDisplay() {
          switch (this) {
            case INPROGRESS: return "In Progress";
            case COMPLETED: return "Completed";
            case AMENDED: return "Amended";
            default: return "?";
          }
        }
    }

  public static class QuestionnaireResponseStatusEnumFactory implements EnumFactory<QuestionnaireResponseStatus> {
    public QuestionnaireResponseStatus fromCode(String codeString) throws IllegalArgumentException {
      if (codeString == null || "".equals(codeString))
            if (codeString == null || "".equals(codeString))
                return null;
        if ("in-progress".equals(codeString))
          return QuestionnaireResponseStatus.INPROGRESS;
        if ("completed".equals(codeString))
          return QuestionnaireResponseStatus.COMPLETED;
        if ("amended".equals(codeString))
          return QuestionnaireResponseStatus.AMENDED;
        throw new IllegalArgumentException("Unknown QuestionnaireResponseStatus code '"+codeString+"'");
        }
        public Enumeration<QuestionnaireResponseStatus> 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 ("in-progress".equals(codeString))
          return new Enumeration<QuestionnaireResponseStatus>(this, QuestionnaireResponseStatus.INPROGRESS);
        if ("completed".equals(codeString))
          return new Enumeration<QuestionnaireResponseStatus>(this, QuestionnaireResponseStatus.COMPLETED);
        if ("amended".equals(codeString))
          return new Enumeration<QuestionnaireResponseStatus>(this, QuestionnaireResponseStatus.AMENDED);
        throw new FHIRException("Unknown QuestionnaireResponseStatus code '"+codeString+"'");
        }
    public String toCode(QuestionnaireResponseStatus code) {
      if (code == QuestionnaireResponseStatus.INPROGRESS)
        return "in-progress";
      if (code == QuestionnaireResponseStatus.COMPLETED)
        return "completed";
      if (code == QuestionnaireResponseStatus.AMENDED)
        return "amended";
      return "?";
      }
    public String toSystem(QuestionnaireResponseStatus code) {
      return code.getSystem();
      }
    }

    @Block()
    public static class QuestionnaireResponseItemComponent extends BackboneElement implements IBaseBackboneElement {
        /**
         * Identifies the item from the Questionnaire that corresponds to this item in the QuestionnaireResponse resource.
         */
        @Child(name = "linkId", type = {StringType.class}, order=1, min=0, max=1, modifier=false, summary=false)
        @Description(shortDefinition="Corresponding item within Questionnaire", formalDefinition="Identifies the item from the Questionnaire that corresponds to this item in the QuestionnaireResponse resource." )
        protected StringType linkId;

        /**
         * Text that is displayed above the contents of the group or as the text of the question being answered.
         */
        @Child(name = "text", type = {StringType.class}, order=2, min=0, max=1, modifier=false, summary=false)
        @Description(shortDefinition="Name for group or question text", formalDefinition="Text that is displayed above the contents of the group or as the text of the question being answered." )
        protected StringType text;

        /**
         * More specific subject this section's answers are about, details the subject given in QuestionnaireResponse.
         */
        @Child(name = "subject", type = {}, order=3, min=0, max=1, modifier=false, summary=false)
        @Description(shortDefinition="The subject this group's answers are about", formalDefinition="More specific subject this section's answers are about, details the subject given in QuestionnaireResponse." )
        protected Reference subject;

        /**
         * The actual object that is the target of the reference (More specific subject this section's answers are about, details the subject given in QuestionnaireResponse.)
         */
        protected Resource subjectTarget;

        /**
         * The respondent's answer(s) to the question.
         */
        @Child(name = "answer", type = {}, order=4, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=false)
        @Description(shortDefinition="The response(s) to the question", formalDefinition="The respondent's answer(s) to the question." )
        protected List<QuestionnaireResponseItemAnswerComponent> answer;

        /**
         * Questions or sub-groups nested beneath a question or group.
         */
        @Child(name = "item", type = {QuestionnaireResponseItemComponent.class}, order=5, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=false)
        @Description(shortDefinition="Nested questionnaire response items", formalDefinition="Questions or sub-groups nested beneath a question or group." )
        protected List<QuestionnaireResponseItemComponent> item;

        private static final long serialVersionUID = 1059526517L;

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

        /**
         * @return {@link #linkId} (Identifies the item from the Questionnaire that corresponds to this item in the QuestionnaireResponse resource.). This is the underlying object with id, value and extensions. The accessor "getLinkId" gives direct access to the value
         */
        public StringType getLinkIdElement() { 
          if (this.linkId == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create QuestionnaireResponseItemComponent.linkId");
            else if (Configuration.doAutoCreate())
              this.linkId = new StringType(); // bb
          return this.linkId;
        }

        public boolean hasLinkIdElement() { 
          return this.linkId != null && !this.linkId.isEmpty();
        }

        public boolean hasLinkId() { 
          return this.linkId != null && !this.linkId.isEmpty();
        }

        /**
         * @param value {@link #linkId} (Identifies the item from the Questionnaire that corresponds to this item in the QuestionnaireResponse resource.). This is the underlying object with id, value and extensions. The accessor "getLinkId" gives direct access to the value
         */
        public QuestionnaireResponseItemComponent setLinkIdElement(StringType value) { 
          this.linkId = value;
          return this;
        }

        /**
         * @return Identifies the item from the Questionnaire that corresponds to this item in the QuestionnaireResponse resource.
         */
        public String getLinkId() { 
          return this.linkId == null ? null : this.linkId.getValue();
        }

        /**
         * @param value Identifies the item from the Questionnaire that corresponds to this item in the QuestionnaireResponse resource.
         */
        public QuestionnaireResponseItemComponent setLinkId(String value) { 
          if (Utilities.noString(value))
            this.linkId = null;
          else {
            if (this.linkId == null)
              this.linkId = new StringType();
            this.linkId.setValue(value);
          }
          return this;
        }

        /**
         * @return {@link #text} (Text that is displayed above the contents of the group or as the text of the question being answered.). This is the underlying object with id, value and extensions. The accessor "getText" gives direct access to the value
         */
        public StringType getTextElement() { 
          if (this.text == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create QuestionnaireResponseItemComponent.text");
            else if (Configuration.doAutoCreate())
              this.text = new StringType(); // bb
          return this.text;
        }

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

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

        /**
         * @param value {@link #text} (Text that is displayed above the contents of the group or as the text of the question being answered.). This is the underlying object with id, value and extensions. The accessor "getText" gives direct access to the value
         */
        public QuestionnaireResponseItemComponent setTextElement(StringType value) { 
          this.text = value;
          return this;
        }

        /**
         * @return Text that is displayed above the contents of the group or as the text of the question being answered.
         */
        public String getText() { 
          return this.text == null ? null : this.text.getValue();
        }

        /**
         * @param value Text that is displayed above the contents of the group or as the text of the question being answered.
         */
        public QuestionnaireResponseItemComponent setText(String value) { 
          if (Utilities.noString(value))
            this.text = null;
          else {
            if (this.text == null)
              this.text = new StringType();
            this.text.setValue(value);
          }
          return this;
        }

        /**
         * @return {@link #subject} (More specific subject this section's answers are about, details the subject given in QuestionnaireResponse.)
         */
        public Reference getSubject() { 
          if (this.subject == null)
            if (Configuration.errorOnAutoCreate())
              throw new Error("Attempt to auto-create QuestionnaireResponseItemComponent.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} (More specific subject this section's answers are about, details the subject given in QuestionnaireResponse.)
         */
        public QuestionnaireResponseItemComponent 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. (More specific subject this section's answers are about, details the subject given in QuestionnaireResponse.)
         */
        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. (More specific subject this section's answers are about, details the subject given in QuestionnaireResponse.)
         */
        public QuestionnaireResponseItemComponent setSubjectTarget(Resource value) { 
          this.subjectTarget = value;
          return this;
        }

        /**
         * @return {@link #answer} (The respondent's answer(s) to the question.)
         */
        public List<QuestionnaireResponseItemAnswerComponent> getAnswer() { 
          if (this.answer == null)
            this.answer = new ArrayList<QuestionnaireResponseItemAnswerComponent>();
          return this.answer;
        }

        public boolean hasAnswer() { 
          if (this.answer == null)
            return false;
          for (QuestionnaireResponseItemAnswerComponent item : this.answer)
            if (!item.isEmpty())
              return true;
          return false;
        }

        /**
         * @return {@link #answer} (The respondent's answer(s) to the question.)
         */
    // syntactic sugar
        public QuestionnaireResponseItemAnswerComponent addAnswer() { //3
          QuestionnaireResponseItemAnswerComponent t = new QuestionnaireResponseItemAnswerComponent();
          if (this.answer == null)
            this.answer = new ArrayList<QuestionnaireResponseItemAnswerComponent>();
          this.answer.add(t);
          return t;
        }

    // syntactic sugar
        public QuestionnaireResponseItemComponent addAnswer(QuestionnaireResponseItemAnswerComponent t) { //3
          if (t == null)
            return this;
          if (this.answer == null)
            this.answer = new ArrayList<QuestionnaireResponseItemAnswerComponent>();
          this.answer.add(t);
          return this;
        }

        /**
         * @return {@link #item} (Questions or sub-groups nested beneath a question or group.)
         */
        public List<QuestionnaireResponseItemComponent> getItem() { 
          if (this.item == null)
            this.item = new ArrayList<QuestionnaireResponseItemComponent>();
          return this.item;
        }

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

        /**
         * @return {@link #item} (Questions or sub-groups nested beneath a question or group.)
         */
    // syntactic sugar
        public QuestionnaireResponseItemComponent addItem() { //3
          QuestionnaireResponseItemComponent t = new QuestionnaireResponseItemComponent();
          if (this.item == null)
            this.item = new ArrayList<QuestionnaireResponseItemComponent>();
          this.item.add(t);
          return t;
        }

    // syntactic sugar
        public QuestionnaireResponseItemComponent addItem(QuestionnaireResponseItemComponent t) { //3
          if (t == null)
            return this;
          if (this.item == null)
            this.item = new ArrayList<QuestionnaireResponseItemComponent>();
          this.item.add(t);
          return this;
        }

        protected void listChildren(List<Property> childrenList) {
          super.listChildren(childrenList);
          childrenList.add(new Property("linkId", "string", "Identifies the item from the Questionnaire that corresponds to this item in the QuestionnaireResponse resource.", 0, java.lang.Integer.MAX_VALUE, linkId));
          childrenList.add(new Property("text", "string", "Text that is displayed above the contents of the group or as the text of the question being answered.", 0, java.lang.Integer.MAX_VALUE, text));
          childrenList.add(new Property("subject", "Reference(Any)", "More specific subject this section's answers are about, details the subject given in QuestionnaireResponse.", 0, java.lang.Integer.MAX_VALUE, subject));
          childrenList.add(new Property("answer", "", "The respondent's answer(s) to the question.", 0, java.lang.Integer.MAX_VALUE, answer));
          childrenList.add(new Property("item", "@QuestionnaireResponse.item", "Questions or sub-groups nested beneath a question or group.", 0, java.lang.Integer.MAX_VALUE, item));
        }

      @Override
      public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
        switch (hash) {
        case -1102667083: /*linkId*/ return this.linkId == null ? new Base[0] : new Base[] {this.linkId}; // StringType
        case 3556653: /*text*/ return this.text == null ? new Base[0] : new Base[] {this.text}; // StringType
        case -1867885268: /*subject*/ return this.subject == null ? new Base[0] : new Base[] {this.subject}; // Reference
        case -1412808770: /*answer*/ return this.answer == null ? new Base[0] : this.answer.toArray(new Base[this.answer.size()]); // QuestionnaireResponseItemAnswerComponent
        case 3242771: /*item*/ return this.item == null ? new Base[0] : this.item.toArray(new Base[this.item.size()]); // QuestionnaireResponseItemComponent
        default: return super.getProperty(hash, name, checkValid);
        }

      }

      @Override
      public void setProperty(int hash, String name, Base value) throws FHIRException {
        switch (hash) {
        case -1102667083: // linkId
          this.linkId = castToString(value); // StringType
          break;
        case 3556653: // text
          this.text = castToString(value); // StringType
          break;
        case -1867885268: // subject
          this.subject = castToReference(value); // Reference
          break;
        case -1412808770: // answer
          this.getAnswer().add((QuestionnaireResponseItemAnswerComponent) value); // QuestionnaireResponseItemAnswerComponent
          break;
        case 3242771: // item
          this.getItem().add((QuestionnaireResponseItemComponent) value); // QuestionnaireResponseItemComponent
          break;
        default: super.setProperty(hash, name, value);
        }

      }

      @Override
      public void setProperty(String name, Base value) throws FHIRException {
        if (name.equals("linkId"))
          this.linkId = castToString(value); // StringType
        else if (name.equals("text"))
          this.text = castToString(value); // StringType
        else if (name.equals("subject"))
          this.subject = castToReference(value); // Reference
        else if (name.equals("answer"))
          this.getAnswer().add((QuestionnaireResponseItemAnswerComponent) value);
        else if (name.equals("item"))
          this.getItem().add((QuestionnaireResponseItemComponent) value);
        else
          super.setProperty(name, value);
      }

      @Override
      public Base makeProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case -1102667083: throw new FHIRException("Cannot make property linkId as it is not a complex type"); // StringType
        case 3556653: throw new FHIRException("Cannot make property text as it is not a complex type"); // StringType
        case -1867885268:  return getSubject(); // Reference
        case -1412808770:  return addAnswer(); // QuestionnaireResponseItemAnswerComponent
        case 3242771:  return addItem(); // QuestionnaireResponseItemComponent
        default: return super.makeProperty(hash, name);
        }

      }

      @Override
      public Base addChild(String name) throws FHIRException {
        if (name.equals("linkId")) {
          throw new FHIRException("Cannot call addChild on a primitive type QuestionnaireResponse.linkId");
        }
        else if (name.equals("text")) {
          throw new FHIRException("Cannot call addChild on a primitive type QuestionnaireResponse.text");
        }
        else if (name.equals("subject")) {
          this.subject = new Reference();
          return this.subject;
        }
        else if (name.equals("answer")) {
          return addAnswer();
        }
        else if (name.equals("item")) {
          return addItem();
        }
        else
          return super.addChild(name);
      }

      public QuestionnaireResponseItemComponent copy() {
        QuestionnaireResponseItemComponent dst = new QuestionnaireResponseItemComponent();
        copyValues(dst);
        dst.linkId = linkId == null ? null : linkId.copy();
        dst.text = text == null ? null : text.copy();
        dst.subject = subject == null ? null : subject.copy();
        if (answer != null) {
          dst.answer = new ArrayList<QuestionnaireResponseItemAnswerComponent>();
          for (QuestionnaireResponseItemAnswerComponent i : answer)
            dst.answer.add(i.copy());
        };
        if (item != null) {
          dst.item = new ArrayList<QuestionnaireResponseItemComponent>();
          for (QuestionnaireResponseItemComponent i : item)
            dst.item.add(i.copy());
        };
        return dst;
      }

      @Override
      public boolean equalsDeep(Base other) {
        if (!super.equalsDeep(other))
          return false;
        if (!(other instanceof QuestionnaireResponseItemComponent))
          return false;
        QuestionnaireResponseItemComponent o = (QuestionnaireResponseItemComponent) other;
        return compareDeep(linkId, o.linkId, true) && compareDeep(text, o.text, true) && compareDeep(subject, o.subject, true)
           && compareDeep(answer, o.answer, true) && compareDeep(item, o.item, true);
      }

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

      public boolean isEmpty() {
        return super.isEmpty() && (linkId == null || linkId.isEmpty()) && (text == null || text.isEmpty())
           && (subject == null || subject.isEmpty()) && (answer == null || answer.isEmpty()) && (item == null || item.isEmpty())
          ;
      }

  public String fhirType() {
    return "QuestionnaireResponse.item";

  }

  }

    @Block()
    public static class QuestionnaireResponseItemAnswerComponent extends BackboneElement implements IBaseBackboneElement {
        /**
         * The answer (or one of the answers) provided by the respondent to the question.
         */
        @Child(name = "value", type = {BooleanType.class, DecimalType.class, IntegerType.class, DateType.class, DateTimeType.class, InstantType.class, TimeType.class, StringType.class, UriType.class, Attachment.class, Coding.class, Quantity.class}, order=1, min=0, max=1, modifier=false, summary=false)
        @Description(shortDefinition="Single-valued answer to the question", formalDefinition="The answer (or one of the answers) provided by the respondent to the question." )
        protected Type value;

        /**
         * Nested groups and/or questions found within this particular answer.
         */
        @Child(name = "item", type = {QuestionnaireResponseItemComponent.class}, order=2, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=false)
        @Description(shortDefinition="Nested groups and questions", formalDefinition="Nested groups and/or questions found within this particular answer." )
        protected List<QuestionnaireResponseItemComponent> item;

        private static final long serialVersionUID = 2052422636L;

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

        /**
         * @return {@link #value} (The answer (or one of the answers) provided by the respondent to the question.)
         */
        public Type getValue() { 
          return this.value;
        }

        /**
         * @return {@link #value} (The answer (or one of the answers) provided by the respondent to the question.)
         */
        public BooleanType getValueBooleanType() throws FHIRException { 
          if (!(this.value instanceof BooleanType))
            throw new FHIRException("Type mismatch: the type BooleanType was expected, but "+this.value.getClass().getName()+" was encountered");
          return (BooleanType) this.value;
        }

        public boolean hasValueBooleanType() { 
          return this.value instanceof BooleanType;
        }

        /**
         * @return {@link #value} (The answer (or one of the answers) provided by the respondent to the question.)
         */
        public DecimalType getValueDecimalType() throws FHIRException { 
          if (!(this.value instanceof DecimalType))
            throw new FHIRException("Type mismatch: the type DecimalType was expected, but "+this.value.getClass().getName()+" was encountered");
          return (DecimalType) this.value;
        }

        public boolean hasValueDecimalType() { 
          return this.value instanceof DecimalType;
        }

        /**
         * @return {@link #value} (The answer (or one of the answers) provided by the respondent to the question.)
         */
        public IntegerType getValueIntegerType() throws FHIRException { 
          if (!(this.value instanceof IntegerType))
            throw new FHIRException("Type mismatch: the type IntegerType was expected, but "+this.value.getClass().getName()+" was encountered");
          return (IntegerType) this.value;
        }

        public boolean hasValueIntegerType() { 
          return this.value instanceof IntegerType;
        }

        /**
         * @return {@link #value} (The answer (or one of the answers) provided by the respondent to the question.)
         */
        public DateType getValueDateType() throws FHIRException { 
          if (!(this.value instanceof DateType))
            throw new FHIRException("Type mismatch: the type DateType was expected, but "+this.value.getClass().getName()+" was encountered");
          return (DateType) this.value;
        }

        public boolean hasValueDateType() { 
          return this.value instanceof DateType;
        }

        /**
         * @return {@link #value} (The answer (or one of the answers) provided by the respondent to the question.)
         */
        public DateTimeType getValueDateTimeType() throws FHIRException { 
          if (!(this.value instanceof DateTimeType))
            throw new FHIRException("Type mismatch: the type DateTimeType was expected, but "+this.value.getClass().getName()+" was encountered");
          return (DateTimeType) this.value;
        }

        public boolean hasValueDateTimeType() { 
          return this.value instanceof DateTimeType;
        }

        /**
         * @return {@link #value} (The answer (or one of the answers) provided by the respondent to the question.)
         */
        public InstantType getValueInstantType() throws FHIRException { 
          if (!(this.value instanceof InstantType))
            throw new FHIRException("Type mismatch: the type InstantType was expected, but "+this.value.getClass().getName()+" was encountered");
          return (InstantType) this.value;
        }

        public boolean hasValueInstantType() { 
          return this.value instanceof InstantType;
        }

        /**
         * @return {@link #value} (The answer (or one of the answers) provided by the respondent to the question.)
         */
        public TimeType getValueTimeType() throws FHIRException { 
          if (!(this.value instanceof TimeType))
            throw new FHIRException("Type mismatch: the type TimeType was expected, but "+this.value.getClass().getName()+" was encountered");
          return (TimeType) this.value;
        }

        public boolean hasValueTimeType() { 
          return this.value instanceof TimeType;
        }

        /**
         * @return {@link #value} (The answer (or one of the answers) provided by the respondent to the question.)
         */
        public StringType getValueStringType() throws FHIRException { 
          if (!(this.value instanceof StringType))
            throw new FHIRException("Type mismatch: the type StringType was expected, but "+this.value.getClass().getName()+" was encountered");
          return (StringType) this.value;
        }

        public boolean hasValueStringType() { 
          return this.value instanceof StringType;
        }

        /**
         * @return {@link #value} (The answer (or one of the answers) provided by the respondent to the question.)
         */
        public UriType getValueUriType() throws FHIRException { 
          if (!(this.value instanceof UriType))
            throw new FHIRException("Type mismatch: the type UriType was expected, but "+this.value.getClass().getName()+" was encountered");
          return (UriType) this.value;
        }

        public boolean hasValueUriType() { 
          return this.value instanceof UriType;
        }

        /**
         * @return {@link #value} (The answer (or one of the answers) provided by the respondent to the question.)
         */
        public Attachment getValueAttachment() throws FHIRException { 
          if (!(this.value instanceof Attachment))
            throw new FHIRException("Type mismatch: the type Attachment was expected, but "+this.value.getClass().getName()+" was encountered");
          return (Attachment) this.value;
        }

        public boolean hasValueAttachment() { 
          return this.value instanceof Attachment;
        }

        /**
         * @return {@link #value} (The answer (or one of the answers) provided by the respondent to the question.)
         */
        public Coding getValueCoding() throws FHIRException { 
          if (!(this.value instanceof Coding))
            throw new FHIRException("Type mismatch: the type Coding was expected, but "+this.value.getClass().getName()+" was encountered");
          return (Coding) this.value;
        }

        public boolean hasValueCoding() { 
          return this.value instanceof Coding;
        }

        /**
         * @return {@link #value} (The answer (or one of the answers) provided by the respondent to the question.)
         */
        public Quantity getValueQuantity() throws FHIRException { 
          if (!(this.value instanceof Quantity))
            throw new FHIRException("Type mismatch: the type Quantity was expected, but "+this.value.getClass().getName()+" was encountered");
          return (Quantity) this.value;
        }

        public boolean hasValueQuantity() { 
          return this.value instanceof Quantity;
        }

        /**
         * @return {@link #value} (The answer (or one of the answers) provided by the respondent to the question.)
         */
        public Reference getValueReference() throws FHIRException { 
          if (!(this.value instanceof Reference))
            throw new FHIRException("Type mismatch: the type Reference was expected, but "+this.value.getClass().getName()+" was encountered");
          return (Reference) this.value;
        }

        public boolean hasValueReference() { 
          return this.value instanceof Reference;
        }

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

        /**
         * @param value {@link #value} (The answer (or one of the answers) provided by the respondent to the question.)
         */
        public QuestionnaireResponseItemAnswerComponent setValue(Type value) { 
          this.value = value;
          return this;
        }

        /**
         * @return {@link #item} (Nested groups and/or questions found within this particular answer.)
         */
        public List<QuestionnaireResponseItemComponent> getItem() { 
          if (this.item == null)
            this.item = new ArrayList<QuestionnaireResponseItemComponent>();
          return this.item;
        }

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

        /**
         * @return {@link #item} (Nested groups and/or questions found within this particular answer.)
         */
    // syntactic sugar
        public QuestionnaireResponseItemComponent addItem() { //3
          QuestionnaireResponseItemComponent t = new QuestionnaireResponseItemComponent();
          if (this.item == null)
            this.item = new ArrayList<QuestionnaireResponseItemComponent>();
          this.item.add(t);
          return t;
        }

    // syntactic sugar
        public QuestionnaireResponseItemAnswerComponent addItem(QuestionnaireResponseItemComponent t) { //3
          if (t == null)
            return this;
          if (this.item == null)
            this.item = new ArrayList<QuestionnaireResponseItemComponent>();
          this.item.add(t);
          return this;
        }

        protected void listChildren(List<Property> childrenList) {
          super.listChildren(childrenList);
          childrenList.add(new Property("value[x]", "boolean|decimal|integer|date|dateTime|instant|time|string|uri|Attachment|Coding|Quantity|Reference(Any)", "The answer (or one of the answers) provided by the respondent to the question.", 0, java.lang.Integer.MAX_VALUE, value));
          childrenList.add(new Property("item", "@QuestionnaireResponse.item", "Nested groups and/or questions found within this particular answer.", 0, java.lang.Integer.MAX_VALUE, item));
        }

      @Override
      public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
        switch (hash) {
        case 111972721: /*value*/ return this.value == null ? new Base[0] : new Base[] {this.value}; // Type
        case 3242771: /*item*/ return this.item == null ? new Base[0] : this.item.toArray(new Base[this.item.size()]); // QuestionnaireResponseItemComponent
        default: return super.getProperty(hash, name, checkValid);
        }

      }

      @Override
      public void setProperty(int hash, String name, Base value) throws FHIRException {
        switch (hash) {
        case 111972721: // value
          this.value = (Type) value; // Type
          break;
        case 3242771: // item
          this.getItem().add((QuestionnaireResponseItemComponent) value); // QuestionnaireResponseItemComponent
          break;
        default: super.setProperty(hash, name, value);
        }

      }

      @Override
      public void setProperty(String name, Base value) throws FHIRException {
        if (name.equals("value[x]"))
          this.value = (Type) value; // Type
        else if (name.equals("item"))
          this.getItem().add((QuestionnaireResponseItemComponent) value);
        else
          super.setProperty(name, value);
      }

      @Override
      public Base makeProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case -1410166417:  return getValue(); // Type
        case 3242771:  return addItem(); // QuestionnaireResponseItemComponent
        default: return super.makeProperty(hash, name);
        }

      }

      @Override
      public Base addChild(String name) throws FHIRException {
        if (name.equals("valueBoolean")) {
          this.value = new BooleanType();
          return this.value;
        }
        else if (name.equals("valueDecimal")) {
          this.value = new DecimalType();
          return this.value;
        }
        else if (name.equals("valueInteger")) {
          this.value = new IntegerType();
          return this.value;
        }
        else if (name.equals("valueDate")) {
          this.value = new DateType();
          return this.value;
        }
        else if (name.equals("valueDateTime")) {
          this.value = new DateTimeType();
          return this.value;
        }
        else if (name.equals("valueInstant")) {
          this.value = new InstantType();
          return this.value;
        }
        else if (name.equals("valueTime")) {
          this.value = new TimeType();
          return this.value;
        }
        else if (name.equals("valueString")) {
          this.value = new StringType();
          return this.value;
        }
        else if (name.equals("valueUri")) {
          this.value = new UriType();
          return this.value;
        }
        else if (name.equals("valueAttachment")) {
          this.value = new Attachment();
          return this.value;
        }
        else if (name.equals("valueCoding")) {
          this.value = new Coding();
          return this.value;
        }
        else if (name.equals("valueQuantity")) {
          this.value = new Quantity();
          return this.value;
        }
        else if (name.equals("valueReference")) {
          this.value = new Reference();
          return this.value;
        }
        else if (name.equals("item")) {
          return addItem();
        }
        else
          return super.addChild(name);
      }

      public QuestionnaireResponseItemAnswerComponent copy() {
        QuestionnaireResponseItemAnswerComponent dst = new QuestionnaireResponseItemAnswerComponent();
        copyValues(dst);
        dst.value = value == null ? null : value.copy();
        if (item != null) {
          dst.item = new ArrayList<QuestionnaireResponseItemComponent>();
          for (QuestionnaireResponseItemComponent i : item)
            dst.item.add(i.copy());
        };
        return dst;
      }

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

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

      public boolean isEmpty() {
        return super.isEmpty() && (value == null || value.isEmpty()) && (item == null || item.isEmpty())
          ;
      }

  public String fhirType() {
    return "QuestionnaireResponse.item.answer";

  }

  }

    /**
     * A business identifier assigned to a particular completed (or partially completed) questionnaire.
     */
    @Child(name = "identifier", type = {Identifier.class}, order=0, min=0, max=1, modifier=false, summary=true)
    @Description(shortDefinition="Unique id for this set of answers", formalDefinition="A business identifier assigned to a particular completed (or partially completed) questionnaire." )
    protected Identifier identifier;

    /**
     * Indicates the Questionnaire resource that defines the form for which answers are being provided.
     */
    @Child(name = "questionnaire", type = {Questionnaire.class}, order=1, min=0, max=1, modifier=false, summary=true)
    @Description(shortDefinition="Form being answered", formalDefinition="Indicates the Questionnaire resource that defines the form for which answers are being provided." )
    protected Reference questionnaire;

    /**
     * The actual object that is the target of the reference (Indicates the Questionnaire resource that defines the form for which answers are being provided.)
     */
    protected Questionnaire questionnaireTarget;

    /**
     * The lifecycle status of the questionnaire response as a whole.
     */
    @Child(name = "status", type = {CodeType.class}, order=2, min=1, max=1, modifier=true, summary=true)
    @Description(shortDefinition="in-progress | completed | amended", formalDefinition="The lifecycle status of the questionnaire response as a whole." )
    protected Enumeration<QuestionnaireResponseStatus> status;

    /**
     * The subject of the questionnaire response.  This could be a patient, organization, practitioner, device, etc.  This is who/what the answers apply to, but is not necessarily the source of information.
     */
    @Child(name = "subject", type = {}, order=3, min=0, max=1, modifier=false, summary=true)
    @Description(shortDefinition="The subject of the questions", formalDefinition="The subject of the questionnaire response.  This could be a patient, organization, practitioner, device, etc.  This is who/what the answers apply to, but is not necessarily the source of information." )
    protected Reference subject;

    /**
     * The actual object that is the target of the reference (The subject of the questionnaire response.  This could be a patient, organization, practitioner, device, etc.  This is who/what the answers apply to, but is not necessarily the source of information.)
     */
    protected Resource subjectTarget;

    /**
     * Person who received the answers to the questions in the QuestionnaireResponse and recorded them in the system.
     */
    @Child(name = "author", type = {Device.class, Practitioner.class, Patient.class, RelatedPerson.class}, order=4, min=0, max=1, modifier=false, summary=true)
    @Description(shortDefinition="Person who received and recorded the answers", formalDefinition="Person who received the answers to the questions in the QuestionnaireResponse and recorded them in the system." )
    protected Reference author;

    /**
     * The actual object that is the target of the reference (Person who received the answers to the questions in the QuestionnaireResponse and recorded them in the system.)
     */
    protected Resource authorTarget;

    /**
     * The date and/or time that this version of the questionnaire response was authored.
     */
    @Child(name = "authored", type = {DateTimeType.class}, order=5, min=0, max=1, modifier=false, summary=true)
    @Description(shortDefinition="Date this version was authored", formalDefinition="The date and/or time that this version of the questionnaire response was authored." )
    protected DateTimeType authored;

    /**
     * The person who answered the questions about the subject.
     */
    @Child(name = "source", type = {Patient.class, Practitioner.class, RelatedPerson.class}, order=6, min=0, max=1, modifier=false, summary=true)
    @Description(shortDefinition="The person who answered the questions", formalDefinition="The person who answered the questions about the subject." )
    protected Reference source;

    /**
     * The actual object that is the target of the reference (The person who answered the questions about the subject.)
     */
    protected Resource sourceTarget;

    /**
     * Encounter during which this set of questionnaire response were collected. When there were multiple encounters, this is the one considered most relevant to the context of the answers.
     */
    @Child(name = "encounter", type = {Encounter.class}, order=7, min=0, max=1, modifier=false, summary=true)
    @Description(shortDefinition="Primary encounter during which the answers were collected", formalDefinition="Encounter during which this set of questionnaire response were collected. When there were multiple encounters, this is the one considered most relevant to the context of the answers." )
    protected Reference encounter;

    /**
     * The actual object that is the target of the reference (Encounter during which this set of questionnaire response were collected. When there were multiple encounters, this is the one considered most relevant to the context of the answers.)
     */
    protected Encounter encounterTarget;

    /**
     * Corresponds to a group or question item from the original questionnaire.
     */
    @Child(name = "item", type = {}, order=8, min=0, max=Child.MAX_UNLIMITED, modifier=false, summary=false)
    @Description(shortDefinition="Groups and questions", formalDefinition="Corresponds to a group or question item from the original questionnaire." )
    protected List<QuestionnaireResponseItemComponent> item;

    private static final long serialVersionUID = 850624885L;

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

  /**
   * Constructor
   */
    public QuestionnaireResponse(Enumeration<QuestionnaireResponseStatus> status) {
      super();
      this.status = status;
    }

    /**
     * @return {@link #identifier} (A business identifier assigned to a particular completed (or partially completed) questionnaire.)
     */
    public Identifier getIdentifier() { 
      if (this.identifier == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create QuestionnaireResponse.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} (A business identifier assigned to a particular completed (or partially completed) questionnaire.)
     */
    public QuestionnaireResponse setIdentifier(Identifier value) { 
      this.identifier = value;
      return this;
    }

    /**
     * @return {@link #questionnaire} (Indicates the Questionnaire resource that defines the form for which answers are being provided.)
     */
    public Reference getQuestionnaire() { 
      if (this.questionnaire == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create QuestionnaireResponse.questionnaire");
        else if (Configuration.doAutoCreate())
          this.questionnaire = new Reference(); // cc
      return this.questionnaire;
    }

    public boolean hasQuestionnaire() { 
      return this.questionnaire != null && !this.questionnaire.isEmpty();
    }

    /**
     * @param value {@link #questionnaire} (Indicates the Questionnaire resource that defines the form for which answers are being provided.)
     */
    public QuestionnaireResponse setQuestionnaire(Reference value) { 
      this.questionnaire = value;
      return this;
    }

    /**
     * @return {@link #questionnaire} 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. (Indicates the Questionnaire resource that defines the form for which answers are being provided.)
     */
    public Questionnaire getQuestionnaireTarget() { 
      if (this.questionnaireTarget == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create QuestionnaireResponse.questionnaire");
        else if (Configuration.doAutoCreate())
          this.questionnaireTarget = new Questionnaire(); // aa
      return this.questionnaireTarget;
    }

    /**
     * @param value {@link #questionnaire} 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. (Indicates the Questionnaire resource that defines the form for which answers are being provided.)
     */
    public QuestionnaireResponse setQuestionnaireTarget(Questionnaire value) { 
      this.questionnaireTarget = value;
      return this;
    }

    /**
     * @return {@link #status} (The lifecycle status of the questionnaire response as a whole.). This is the underlying object with id, value and extensions. The accessor "getStatus" gives direct access to the value
     */
    public Enumeration<QuestionnaireResponseStatus> getStatusElement() { 
      if (this.status == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create QuestionnaireResponse.status");
        else if (Configuration.doAutoCreate())
          this.status = new Enumeration<QuestionnaireResponseStatus>(new QuestionnaireResponseStatusEnumFactory()); // 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 lifecycle status of the questionnaire response as a whole.). This is the underlying object with id, value and extensions. The accessor "getStatus" gives direct access to the value
     */
    public QuestionnaireResponse setStatusElement(Enumeration<QuestionnaireResponseStatus> value) { 
      this.status = value;
      return this;
    }

    /**
     * @return The lifecycle status of the questionnaire response as a whole.
     */
    public QuestionnaireResponseStatus getStatus() { 
      return this.status == null ? null : this.status.getValue();
    }

    /**
     * @param value The lifecycle status of the questionnaire response as a whole.
     */
    public QuestionnaireResponse setStatus(QuestionnaireResponseStatus value) { 
        if (this.status == null)
          this.status = new Enumeration<QuestionnaireResponseStatus>(new QuestionnaireResponseStatusEnumFactory());
        this.status.setValue(value);
      return this;
    }

    /**
     * @return {@link #subject} (The subject of the questionnaire response.  This could be a patient, organization, practitioner, device, etc.  This is who/what the answers apply to, but is not necessarily the source of information.)
     */
    public Reference getSubject() { 
      if (this.subject == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create QuestionnaireResponse.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 subject of the questionnaire response.  This could be a patient, organization, practitioner, device, etc.  This is who/what the answers apply to, but is not necessarily the source of information.)
     */
    public QuestionnaireResponse 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 subject of the questionnaire response.  This could be a patient, organization, practitioner, device, etc.  This is who/what the answers apply to, but is not necessarily the source of information.)
     */
    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 subject of the questionnaire response.  This could be a patient, organization, practitioner, device, etc.  This is who/what the answers apply to, but is not necessarily the source of information.)
     */
    public QuestionnaireResponse setSubjectTarget(Resource value) { 
      this.subjectTarget = value;
      return this;
    }

    /**
     * @return {@link #author} (Person who received the answers to the questions in the QuestionnaireResponse and recorded them in the system.)
     */
    public Reference getAuthor() { 
      if (this.author == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create QuestionnaireResponse.author");
        else if (Configuration.doAutoCreate())
          this.author = new Reference(); // cc
      return this.author;
    }

    public boolean hasAuthor() { 
      return this.author != null && !this.author.isEmpty();
    }

    /**
     * @param value {@link #author} (Person who received the answers to the questions in the QuestionnaireResponse and recorded them in the system.)
     */
    public QuestionnaireResponse setAuthor(Reference value) { 
      this.author = value;
      return this;
    }

    /**
     * @return {@link #author} 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. (Person who received the answers to the questions in the QuestionnaireResponse and recorded them in the system.)
     */
    public Resource getAuthorTarget() { 
      return this.authorTarget;
    }

    /**
     * @param value {@link #author} 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. (Person who received the answers to the questions in the QuestionnaireResponse and recorded them in the system.)
     */
    public QuestionnaireResponse setAuthorTarget(Resource value) { 
      this.authorTarget = value;
      return this;
    }

    /**
     * @return {@link #authored} (The date and/or time that this version of the questionnaire response was authored.). This is the underlying object with id, value and extensions. The accessor "getAuthored" gives direct access to the value
     */
    public DateTimeType getAuthoredElement() { 
      if (this.authored == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create QuestionnaireResponse.authored");
        else if (Configuration.doAutoCreate())
          this.authored = new DateTimeType(); // bb
      return this.authored;
    }

    public boolean hasAuthoredElement() { 
      return this.authored != null && !this.authored.isEmpty();
    }

    public boolean hasAuthored() { 
      return this.authored != null && !this.authored.isEmpty();
    }

    /**
     * @param value {@link #authored} (The date and/or time that this version of the questionnaire response was authored.). This is the underlying object with id, value and extensions. The accessor "getAuthored" gives direct access to the value
     */
    public QuestionnaireResponse setAuthoredElement(DateTimeType value) { 
      this.authored = value;
      return this;
    }

    /**
     * @return The date and/or time that this version of the questionnaire response was authored.
     */
    public Date getAuthored() { 
      return this.authored == null ? null : this.authored.getValue();
    }

    /**
     * @param value The date and/or time that this version of the questionnaire response was authored.
     */
    public QuestionnaireResponse setAuthored(Date value) { 
      if (value == null)
        this.authored = null;
      else {
        if (this.authored == null)
          this.authored = new DateTimeType();
        this.authored.setValue(value);
      }
      return this;
    }

    /**
     * @return {@link #source} (The person who answered the questions about the subject.)
     */
    public Reference getSource() { 
      if (this.source == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create QuestionnaireResponse.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} (The person who answered the questions about the subject.)
     */
    public QuestionnaireResponse 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. (The person who answered the questions about the subject.)
     */
    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. (The person who answered the questions about the subject.)
     */
    public QuestionnaireResponse setSourceTarget(Resource value) { 
      this.sourceTarget = value;
      return this;
    }

    /**
     * @return {@link #encounter} (Encounter during which this set of questionnaire response were collected. When there were multiple encounters, this is the one considered most relevant to the context of the answers.)
     */
    public Reference getEncounter() { 
      if (this.encounter == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create QuestionnaireResponse.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} (Encounter during which this set of questionnaire response were collected. When there were multiple encounters, this is the one considered most relevant to the context of the answers.)
     */
    public QuestionnaireResponse 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. (Encounter during which this set of questionnaire response were collected. When there were multiple encounters, this is the one considered most relevant to the context of the answers.)
     */
    public Encounter getEncounterTarget() { 
      if (this.encounterTarget == null)
        if (Configuration.errorOnAutoCreate())
          throw new Error("Attempt to auto-create QuestionnaireResponse.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. (Encounter during which this set of questionnaire response were collected. When there were multiple encounters, this is the one considered most relevant to the context of the answers.)
     */
    public QuestionnaireResponse setEncounterTarget(Encounter value) { 
      this.encounterTarget = value;
      return this;
    }

    /**
     * @return {@link #item} (Corresponds to a group or question item from the original questionnaire.)
     */
    public List<QuestionnaireResponseItemComponent> getItem() { 
      if (this.item == null)
        this.item = new ArrayList<QuestionnaireResponseItemComponent>();
      return this.item;
    }

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

    /**
     * @return {@link #item} (Corresponds to a group or question item from the original questionnaire.)
     */
    // syntactic sugar
    public QuestionnaireResponseItemComponent addItem() { //3
      QuestionnaireResponseItemComponent t = new QuestionnaireResponseItemComponent();
      if (this.item == null)
        this.item = new ArrayList<QuestionnaireResponseItemComponent>();
      this.item.add(t);
      return t;
    }

    // syntactic sugar
    public QuestionnaireResponse addItem(QuestionnaireResponseItemComponent t) { //3
      if (t == null)
        return this;
      if (this.item == null)
        this.item = new ArrayList<QuestionnaireResponseItemComponent>();
      this.item.add(t);
      return this;
    }

      protected void listChildren(List<Property> childrenList) {
        super.listChildren(childrenList);
        childrenList.add(new Property("identifier", "Identifier", "A business identifier assigned to a particular completed (or partially completed) questionnaire.", 0, java.lang.Integer.MAX_VALUE, identifier));
        childrenList.add(new Property("questionnaire", "Reference(Questionnaire)", "Indicates the Questionnaire resource that defines the form for which answers are being provided.", 0, java.lang.Integer.MAX_VALUE, questionnaire));
        childrenList.add(new Property("status", "code", "The lifecycle status of the questionnaire response as a whole.", 0, java.lang.Integer.MAX_VALUE, status));
        childrenList.add(new Property("subject", "Reference(Any)", "The subject of the questionnaire response.  This could be a patient, organization, practitioner, device, etc.  This is who/what the answers apply to, but is not necessarily the source of information.", 0, java.lang.Integer.MAX_VALUE, subject));
        childrenList.add(new Property("author", "Reference(Device|Practitioner|Patient|RelatedPerson)", "Person who received the answers to the questions in the QuestionnaireResponse and recorded them in the system.", 0, java.lang.Integer.MAX_VALUE, author));
        childrenList.add(new Property("authored", "dateTime", "The date and/or time that this version of the questionnaire response was authored.", 0, java.lang.Integer.MAX_VALUE, authored));
        childrenList.add(new Property("source", "Reference(Patient|Practitioner|RelatedPerson)", "The person who answered the questions about the subject.", 0, java.lang.Integer.MAX_VALUE, source));
        childrenList.add(new Property("encounter", "Reference(Encounter)", "Encounter during which this set of questionnaire response were collected. When there were multiple encounters, this is the one considered most relevant to the context of the answers.", 0, java.lang.Integer.MAX_VALUE, encounter));
        childrenList.add(new Property("item", "", "Corresponds to a group or question item from the original questionnaire.", 0, java.lang.Integer.MAX_VALUE, item));
      }

      @Override
      public Base[] getProperty(int hash, String name, boolean checkValid) throws FHIRException {
        switch (hash) {
        case -1618432855: /*identifier*/ return this.identifier == null ? new Base[0] : new Base[] {this.identifier}; // Identifier
        case -1017049693: /*questionnaire*/ return this.questionnaire == null ? new Base[0] : new Base[] {this.questionnaire}; // Reference
        case -892481550: /*status*/ return this.status == null ? new Base[0] : new Base[] {this.status}; // Enumeration<QuestionnaireResponseStatus>
        case -1867885268: /*subject*/ return this.subject == null ? new Base[0] : new Base[] {this.subject}; // Reference
        case -1406328437: /*author*/ return this.author == null ? new Base[0] : new Base[] {this.author}; // Reference
        case 1433073514: /*authored*/ return this.authored == null ? new Base[0] : new Base[] {this.authored}; // DateTimeType
        case -896505829: /*source*/ return this.source == null ? new Base[0] : new Base[] {this.source}; // Reference
        case 1524132147: /*encounter*/ return this.encounter == null ? new Base[0] : new Base[] {this.encounter}; // Reference
        case 3242771: /*item*/ return this.item == null ? new Base[0] : this.item.toArray(new Base[this.item.size()]); // QuestionnaireResponseItemComponent
        default: return super.getProperty(hash, name, checkValid);
        }

      }

      @Override
      public void setProperty(int hash, String name, Base value) throws FHIRException {
        switch (hash) {
        case -1618432855: // identifier
          this.identifier = castToIdentifier(value); // Identifier
          break;
        case -1017049693: // questionnaire
          this.questionnaire = castToReference(value); // Reference
          break;
        case -892481550: // status
          this.status = new QuestionnaireResponseStatusEnumFactory().fromType(value); // Enumeration<QuestionnaireResponseStatus>
          break;
        case -1867885268: // subject
          this.subject = castToReference(value); // Reference
          break;
        case -1406328437: // author
          this.author = castToReference(value); // Reference
          break;
        case 1433073514: // authored
          this.authored = castToDateTime(value); // DateTimeType
          break;
        case -896505829: // source
          this.source = castToReference(value); // Reference
          break;
        case 1524132147: // encounter
          this.encounter = castToReference(value); // Reference
          break;
        case 3242771: // item
          this.getItem().add((QuestionnaireResponseItemComponent) value); // QuestionnaireResponseItemComponent
          break;
        default: super.setProperty(hash, name, value);
        }

      }

      @Override
      public void setProperty(String name, Base value) throws FHIRException {
        if (name.equals("identifier"))
          this.identifier = castToIdentifier(value); // Identifier
        else if (name.equals("questionnaire"))
          this.questionnaire = castToReference(value); // Reference
        else if (name.equals("status"))
          this.status = new QuestionnaireResponseStatusEnumFactory().fromType(value); // Enumeration<QuestionnaireResponseStatus>
        else if (name.equals("subject"))
          this.subject = castToReference(value); // Reference
        else if (name.equals("author"))
          this.author = castToReference(value); // Reference
        else if (name.equals("authored"))
          this.authored = castToDateTime(value); // DateTimeType
        else if (name.equals("source"))
          this.source = castToReference(value); // Reference
        else if (name.equals("encounter"))
          this.encounter = castToReference(value); // Reference
        else if (name.equals("item"))
          this.getItem().add((QuestionnaireResponseItemComponent) value);
        else
          super.setProperty(name, value);
      }

      @Override
      public Base makeProperty(int hash, String name) throws FHIRException {
        switch (hash) {
        case -1618432855:  return getIdentifier(); // Identifier
        case -1017049693:  return getQuestionnaire(); // Reference
        case -892481550: throw new FHIRException("Cannot make property status as it is not a complex type"); // Enumeration<QuestionnaireResponseStatus>
        case -1867885268:  return getSubject(); // Reference
        case -1406328437:  return getAuthor(); // Reference
        case 1433073514: throw new FHIRException("Cannot make property authored as it is not a complex type"); // DateTimeType
        case -896505829:  return getSource(); // Reference
        case 1524132147:  return getEncounter(); // Reference
        case 3242771:  return addItem(); // QuestionnaireResponseItemComponent
        default: return super.makeProperty(hash, name);
        }

      }

      @Override
      public Base addChild(String name) throws FHIRException {
        if (name.equals("identifier")) {
          this.identifier = new Identifier();
          return this.identifier;
        }
        else if (name.equals("questionnaire")) {
          this.questionnaire = new Reference();
          return this.questionnaire;
        }
        else if (name.equals("status")) {
          throw new FHIRException("Cannot call addChild on a primitive type QuestionnaireResponse.status");
        }
        else if (name.equals("subject")) {
          this.subject = new Reference();
          return this.subject;
        }
        else if (name.equals("author")) {
          this.author = new Reference();
          return this.author;
        }
        else if (name.equals("authored")) {
          throw new FHIRException("Cannot call addChild on a primitive type QuestionnaireResponse.authored");
        }
        else if (name.equals("source")) {
          this.source = new Reference();
          return this.source;
        }
        else if (name.equals("encounter")) {
          this.encounter = new Reference();
          return this.encounter;
        }
        else if (name.equals("item")) {
          return addItem();
        }
        else
          return super.addChild(name);
      }

  public String fhirType() {
    return "QuestionnaireResponse";

  }

      public QuestionnaireResponse copy() {
        QuestionnaireResponse dst = new QuestionnaireResponse();
        copyValues(dst);
        dst.identifier = identifier == null ? null : identifier.copy();
        dst.questionnaire = questionnaire == null ? null : questionnaire.copy();
        dst.status = status == null ? null : status.copy();
        dst.subject = subject == null ? null : subject.copy();
        dst.author = author == null ? null : author.copy();
        dst.authored = authored == null ? null : authored.copy();
        dst.source = source == null ? null : source.copy();
        dst.encounter = encounter == null ? null : encounter.copy();
        if (item != null) {
          dst.item = new ArrayList<QuestionnaireResponseItemComponent>();
          for (QuestionnaireResponseItemComponent i : item)
            dst.item.add(i.copy());
        };
        return dst;
      }

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

      @Override
      public boolean equalsDeep(Base other) {
        if (!super.equalsDeep(other))
          return false;
        if (!(other instanceof QuestionnaireResponse))
          return false;
        QuestionnaireResponse o = (QuestionnaireResponse) other;
        return compareDeep(identifier, o.identifier, true) && compareDeep(questionnaire, o.questionnaire, true)
           && compareDeep(status, o.status, true) && compareDeep(subject, o.subject, true) && compareDeep(author, o.author, true)
           && compareDeep(authored, o.authored, true) && compareDeep(source, o.source, true) && compareDeep(encounter, o.encounter, true)
           && compareDeep(item, o.item, true);
      }

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

      public boolean isEmpty() {
        return super.isEmpty() && (identifier == null || identifier.isEmpty()) && (questionnaire == null || questionnaire.isEmpty())
           && (status == null || status.isEmpty()) && (subject == null || subject.isEmpty()) && (author == null || author.isEmpty())
           && (authored == null || authored.isEmpty()) && (source == null || source.isEmpty()) && (encounter == null || encounter.isEmpty())
           && (item == null || item.isEmpty());
      }

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

 /**
   * Search parameter: <b>author</b>
   * <p>
   * Description: <b>The author of the questionnaire</b><br>
   * Type: <b>reference</b><br>
   * Path: <b>QuestionnaireResponse.author</b><br>
   * </p>
   */
  @SearchParamDefinition(name="author", path="QuestionnaireResponse.author", description="The author of the questionnaire", type="reference" )
  public static final String SP_AUTHOR = "author";
 /**
   * <b>Fluent Client</b> search parameter constant for <b>author</b>
   * <p>
   * Description: <b>The author of the questionnaire</b><br>
   * Type: <b>reference</b><br>
   * Path: <b>QuestionnaireResponse.author</b><br>
   * </p>
   */
  public static final ca.uhn.fhir.rest.gclient.ReferenceClientParam AUTHOR = new ca.uhn.fhir.rest.gclient.ReferenceClientParam(SP_AUTHOR);

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

 /**
   * Search parameter: <b>questionnaire</b>
   * <p>
   * Description: <b>The questionnaire the answers are provided for</b><br>
   * Type: <b>reference</b><br>
   * Path: <b>QuestionnaireResponse.questionnaire</b><br>
   * </p>
   */
  @SearchParamDefinition(name="questionnaire", path="QuestionnaireResponse.questionnaire", description="The questionnaire the answers are provided for", type="reference" )
  public static final String SP_QUESTIONNAIRE = "questionnaire";
 /**
   * <b>Fluent Client</b> search parameter constant for <b>questionnaire</b>
   * <p>
   * Description: <b>The questionnaire the answers are provided for</b><br>
   * Type: <b>reference</b><br>
   * Path: <b>QuestionnaireResponse.questionnaire</b><br>
   * </p>
   */
  public static final ca.uhn.fhir.rest.gclient.ReferenceClientParam QUESTIONNAIRE = new ca.uhn.fhir.rest.gclient.ReferenceClientParam(SP_QUESTIONNAIRE);

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

 /**
   * Search parameter: <b>patient</b>
   * <p>
   * Description: <b>The patient that is the subject of the questionnaire</b><br>
   * Type: <b>reference</b><br>
   * Path: <b>QuestionnaireResponse.subject</b><br>
   * </p>
   */
  @SearchParamDefinition(name="patient", path="QuestionnaireResponse.subject", description="The patient that is the subject of the questionnaire", type="reference" )
  public static final String SP_PATIENT = "patient";
 /**
   * <b>Fluent Client</b> search parameter constant for <b>patient</b>
   * <p>
   * Description: <b>The patient that is the subject of the questionnaire</b><br>
   * Type: <b>reference</b><br>
   * Path: <b>QuestionnaireResponse.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>QuestionnaireResponse:patient</b>".
   */
  public static final ca.uhn.fhir.model.api.Include INCLUDE_PATIENT = new ca.uhn.fhir.model.api.Include("QuestionnaireResponse:patient").toLocked();

 /**
   * Search parameter: <b>authored</b>
   * <p>
   * Description: <b>When the questionnaire was authored</b><br>
   * Type: <b>date</b><br>
   * Path: <b>QuestionnaireResponse.authored</b><br>
   * </p>
   */
  @SearchParamDefinition(name="authored", path="QuestionnaireResponse.authored", description="When the questionnaire was authored", type="date" )
  public static final String SP_AUTHORED = "authored";
 /**
   * <b>Fluent Client</b> search parameter constant for <b>authored</b>
   * <p>
   * Description: <b>When the questionnaire was authored</b><br>
   * Type: <b>date</b><br>
   * Path: <b>QuestionnaireResponse.authored</b><br>
   * </p>
   */
  public static final ca.uhn.fhir.rest.gclient.DateClientParam AUTHORED = new ca.uhn.fhir.rest.gclient.DateClientParam(SP_AUTHORED);

 /**
   * Search parameter: <b>source</b>
   * <p>
   * Description: <b>The person who answered the questions</b><br>
   * Type: <b>reference</b><br>
   * Path: <b>QuestionnaireResponse.source</b><br>
   * </p>
   */
  @SearchParamDefinition(name="source", path="QuestionnaireResponse.source", description="The person who answered the questions", type="reference" )
  public static final String SP_SOURCE = "source";
 /**
   * <b>Fluent Client</b> search parameter constant for <b>source</b>
   * <p>
   * Description: <b>The person who answered the questions</b><br>
   * Type: <b>reference</b><br>
   * Path: <b>QuestionnaireResponse.source</b><br>
   * </p>
   */
  public static final ca.uhn.fhir.rest.gclient.ReferenceClientParam SOURCE = new ca.uhn.fhir.rest.gclient.ReferenceClientParam(SP_SOURCE);

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

 /**
   * Search parameter: <b>status</b>
   * <p>
   * Description: <b>The status of the questionnaire response</b><br>
   * Type: <b>token</b><br>
   * Path: <b>QuestionnaireResponse.status</b><br>
   * </p>
   */
  @SearchParamDefinition(name="status", path="QuestionnaireResponse.status", description="The status of the questionnaire response", type="token" )
  public static final String SP_STATUS = "status";
 /**
   * <b>Fluent Client</b> search parameter constant for <b>status</b>
   * <p>
   * Description: <b>The status of the questionnaire response</b><br>
   * Type: <b>token</b><br>
   * Path: <b>QuestionnaireResponse.status</b><br>
   * </p>
   */
  public static final ca.uhn.fhir.rest.gclient.TokenClientParam STATUS = new ca.uhn.fhir.rest.gclient.TokenClientParam(SP_STATUS);

 /**
   * Search parameter: <b>subject</b>
   * <p>
   * Description: <b>The subject of the questionnaire</b><br>
   * Type: <b>reference</b><br>
   * Path: <b>QuestionnaireResponse.subject</b><br>
   * </p>
   */
  @SearchParamDefinition(name="subject", path="QuestionnaireResponse.subject", description="The subject of the questionnaire", type="reference" )
  public static final String SP_SUBJECT = "subject";
 /**
   * <b>Fluent Client</b> search parameter constant for <b>subject</b>
   * <p>
   * Description: <b>The subject of the questionnaire</b><br>
   * Type: <b>reference</b><br>
   * Path: <b>QuestionnaireResponse.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>QuestionnaireResponse:subject</b>".
   */
  public static final ca.uhn.fhir.model.api.Include INCLUDE_SUBJECT = new ca.uhn.fhir.model.api.Include("QuestionnaireResponse:subject").toLocked();

 /**
   * Search parameter: <b>encounter</b>
   * <p>
   * Description: <b>Encounter during which questionnaire was authored</b><br>
   * Type: <b>reference</b><br>
   * Path: <b>QuestionnaireResponse.encounter</b><br>
   * </p>
   */
  @SearchParamDefinition(name="encounter", path="QuestionnaireResponse.encounter", description="Encounter during which questionnaire was authored", type="reference" )
  public static final String SP_ENCOUNTER = "encounter";
 /**
   * <b>Fluent Client</b> search parameter constant for <b>encounter</b>
   * <p>
   * Description: <b>Encounter during which questionnaire was authored</b><br>
   * Type: <b>reference</b><br>
   * Path: <b>QuestionnaireResponse.encounter</b><br>
   * </p>
   */
  public static final ca.uhn.fhir.rest.gclient.ReferenceClientParam ENCOUNTER = new ca.uhn.fhir.rest.gclient.ReferenceClientParam(SP_ENCOUNTER);

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


}