Add serialization support and fix build regression

hapi-fhir-base/src/main/java/ca/uhn/fhir/model/api/BasePrimitive.java

@@ -20,17 +20,31 @@ package ca.uhn.fhir.model.api;
  * #L%
  */
 
+import java.io.Externalizable;
+import java.io.IOException;
+import java.io.ObjectInput;
+import java.io.ObjectOutput;
+
 import org.apache.commons.lang3.builder.EqualsBuilder;
 import org.apache.commons.lang3.builder.HashCodeBuilder;
 import org.hl7.fhir.instance.model.api.IPrimitiveType;
 
 import ca.uhn.fhir.parser.DataFormatException;
 
-public abstract class BasePrimitive<T> extends BaseIdentifiableElement implements IPrimitiveDatatype<T> {
+public abstract class BasePrimitive<T> extends BaseIdentifiableElement implements IPrimitiveDatatype<T>, Externalizable {
 
 	private T myCoercedValue;
 	private String myStringValue;
 
+	/**
+	 * Subclasses must override to convert a "coerced" value into an encoded one.
+	 * 
+	 * @param theValue
+	 *           Will not be null
+	 * @return May return null if the value does not correspond to anything
+	 */
+	protected abstract String encode(T theValue);
+
 	@Override
 	public boolean equals(Object theObj) {
 		if (theObj == null) {
@@ -67,6 +81,21 @@ public abstract class BasePrimitive<T> extends BaseIdentifiableElement implement
 		return super.isBaseEmpty() && getValue() == null;
 	}
 
+	/**
+	 * Subclasses must override to convert an encoded representation of this datatype into a "coerced" one
+	 * 
+	 * @param theValue
+	 *           Will not be null
+	 * @return May return null if the value does not correspond to anything
+	 */
+	protected abstract T parse(String theValue);
+
+	@Override
+	public void readExternal(ObjectInput theIn) throws IOException, ClassNotFoundException {
+		String object = (String) theIn.readObject();
+		setValueAsString(object);
+	}
+
 	@Override
 	public IPrimitiveType<T> setValue(T theValue) throws DataFormatException {
 		myCoercedValue = theValue;
@@ -74,15 +103,6 @@ public abstract class BasePrimitive<T> extends BaseIdentifiableElement implement
 		return this;
 	}
 
-	protected void updateStringValue() {
-		if (myCoercedValue == null) {
-			myStringValue = null;
-		} else {
-			// NB this might be null
-			myStringValue = encode(myCoercedValue);
-		}
-	}
-
 	@Override
 	public void setValueAsString(String theValue) throws DataFormatException {
 		if (theValue == null) {
@@ -94,26 +114,22 @@ public abstract class BasePrimitive<T> extends BaseIdentifiableElement implement
 		myStringValue = theValue;
 	}
 
-	/**
-	 * Subclasses must override to convert an encoded representation of this datatype into a "coerced" one
-	 * 
-	 * @param theValue
-	 *            Will not be null
-	 * @return May return null if the value does not correspond to anything
-	 */
-	protected abstract T parse(String theValue);
-
-	/**
-	 * Subclasses must override to convert a "coerced" value into an encoded one.
-	 * 
-	 * @param theValue
-	 *            Will not be null
-	 * @return May return null if the value does not correspond to anything
-	 */
-	protected abstract String encode(T theValue);
-
 	@Override
 	public String toString() {
 		return getClass().getSimpleName() + "[" + getValueAsString() + "]";
 	}
+
+	protected void updateStringValue() {
+		if (myCoercedValue == null) {
+			myStringValue = null;
+		} else {
+			// NB this might be null
+			myStringValue = encode(myCoercedValue);
+		}
+	}
+
+	@Override
+	public void writeExternal(ObjectOutput theOut) throws IOException {
+		theOut.writeObject(getValueAsString());
+	}
 }

hapi-fhir-base/src/main/java/ca/uhn/fhir/model/api/ResourceMetadataKeyEnum.java

@@ -22,6 +22,7 @@ package ca.uhn.fhir.model.api;
 
 import static org.apache.commons.lang3.StringUtils.*;
 
+import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Date;
@@ -61,7 +62,9 @@ import ca.uhn.fhir.rest.server.exceptions.InternalErrorException;
  * define their own keys for storage in resource metadata if needed.
  * </p>
  */
-public abstract class ResourceMetadataKeyEnum<T> {
+public abstract class ResourceMetadataKeyEnum<T> implements Serializable {
+
+	private static final long serialVersionUID = 1L;
 
 	/**
 	 * If present and populated with a date/time (as an instance of {@link InstantDt}), this value is an indication that the resource is in the deleted state. This key is only used in a limited number

hapi-fhir-base/src/main/java/ca/uhn/fhir/model/primitive/BoundCodeDt.java

@@ -20,6 +20,8 @@ package ca.uhn.fhir.model.primitive;
  * #L%
  */
 
+import org.apache.commons.lang3.Validate;
+
 import ca.uhn.fhir.model.api.IValueSetEnumBinder;
 import ca.uhn.fhir.model.api.annotation.DatatypeDef;
 
@@ -28,16 +30,27 @@ public class BoundCodeDt<T extends Enum<?>> extends CodeDt {
 
 	private IValueSetEnumBinder<T> myBinder;
 
+	/**
+	 * @deprecated This constructor is provided only for serialization support. Do not call it directly!
+	 */
+	@Deprecated
+	public BoundCodeDt() {
+		// nothing
+	}
+	
 	public BoundCodeDt(IValueSetEnumBinder<T> theBinder) {
+		Validate.notNull(theBinder, "theBinder must not be null");
 		myBinder = theBinder;
 	}
 
 	public BoundCodeDt(IValueSetEnumBinder<T> theBinder, T theValue) {
+		Validate.notNull(theBinder, "theBinder must not be null");
 		myBinder = theBinder;
 		setValueAsEnum(theValue);
 	}
 
 	public void setValueAsEnum(T theValue) {
+		Validate.notNull(myBinder, "This object does not have a binder. Constructor BoundCodeDt() should not be called!");
 		if (theValue==null) {
 			setValue(null);
 		} else {
@@ -46,6 +59,7 @@ public class BoundCodeDt<T extends Enum<?>> extends CodeDt {
 	}
 
 	public T getValueAsEnum() {
+		Validate.notNull(myBinder, "This object does not have a binder. Constructor BoundCodeDt() should not be called!");
 		T retVal = myBinder.fromCodeString(getValue());
 		if (retVal == null) {
 			// TODO: throw special exception type?

hapi-fhir-base/src/main/java/ca/uhn/fhir/model/primitive/XhtmlDt.java

@@ -41,6 +41,8 @@ import ca.uhn.fhir.util.XmlUtil;
 @DatatypeDef(name = "xhtml")
 public class XhtmlDt extends BasePrimitive<List<XMLEvent>> {
 
+	private static final long serialVersionUID = 1L;
+
 	/**
 	 * Constructor
 	 */

hapi-fhir-base/src/main/java/ca/uhn/fhir/parser/ParserState.java

@@ -1554,7 +1554,7 @@ class ParserState<T> {
 				return;
 			}
 			
-			if (child.getMax() < 2 && !myParsedNonRepeatableNames.add(theChildName)) {
+			if ((child.getMax() == 0 || child.getMax() == 1) && !myParsedNonRepeatableNames.add(theChildName)) {
 				myErrorHandler.unexpectedRepeatingElement(null, theChildName);
 				push(new SwallowChildrenWholeState(getPreResourceState()));
 				return;

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/server/exceptions/UnprocessableEntityException.java

@@ -24,7 +24,9 @@ import net.sourceforge.cobertura.CoverageIgnore;
 
 import org.hl7.fhir.instance.model.api.IBaseOperationOutcome;
 
+import ca.uhn.fhir.context.FhirContext;
 import ca.uhn.fhir.rest.server.Constants;
+import ca.uhn.fhir.util.OperationOutcomeUtil;
 
 /**
  * Represents an <b>HTTP 422 Unprocessable Entity</b> response, which means that a resource was rejected by the server because it "violated applicable FHIR profiles or server business rules".
@@ -56,11 +58,21 @@ public class UnprocessableEntityException extends BaseServerResponseException {
 	
 	/**
 	 * Constructor which accepts an {@link IBaseOperationOutcome} resource which will be supplied in the response
+	 * 
+	 * @deprecated Use constructor with FhirContext argument
 	 */
+	@Deprecated
 	public UnprocessableEntityException(IBaseOperationOutcome theOperationOutcome) {
 		super(STATUS_CODE, DEFAULT_MESSAGE, theOperationOutcome);
 	}
 
+	/**
+	 * Constructor which accepts an {@link IBaseOperationOutcome} resource which will be supplied in the response
+	 */
+	public UnprocessableEntityException(FhirContext theCtx, IBaseOperationOutcome theOperationOutcome) {
+		super(STATUS_CODE, OperationOutcomeUtil.getFirstIssueDetails(theCtx, theOperationOutcome), theOperationOutcome);
+	}
+
 	/**
 	 * Constructor which accepts a String describing the issue. This string will be translated into an {@link IBaseOperationOutcome} resource which will be supplied in the response.
 	 */

hapi-fhir-base/src/main/java/ca/uhn/fhir/validation/BaseValidationContext.java

@@ -1,5 +1,25 @@
 package ca.uhn.fhir.validation;
 
+/*
+ * #%L
+ * HAPI FHIR - Core Library
+ * %%
+ * Copyright (C) 2014 - 2015 University Health Network
+ * %%
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * #L%
+ */
+
 import java.util.ArrayList;
 import java.util.List;
 

hapi-fhir-base/src/main/java/ca/uhn/fhir/validation/IResourceLoader.java

@@ -1,5 +1,25 @@
 package ca.uhn.fhir.validation;
 
+/*
+ * #%L
+ * HAPI FHIR - Core Library
+ * %%
+ * Copyright (C) 2014 - 2015 University Health Network
+ * %%
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * #L%
+ */
+
 import org.hl7.fhir.instance.model.api.IBaseResource;
 import org.hl7.fhir.instance.model.api.IIdType;
 

hapi-fhir-base/src/main/java/org/hl7/fhir/instance/model/api/IBase.java

@@ -1,5 +1,7 @@
 package org.hl7.fhir.instance.model.api;
 
+import java.io.Serializable;
+
 /*
  * #%L
  * HAPI FHIR - Core Library
@@ -25,7 +27,7 @@ package org.hl7.fhir.instance.model.api;
  * structure of some kind. It is provided mostly to simplify convergence
  * between the HL7.org structures and the HAPI ones. 
  */
-public interface IBase {
+public interface IBase extends Serializable {
 
 	boolean isEmpty();
 

hapi-fhir-jpaserver-base/src/main/java/ca/uhn/fhir/jpa/dao/FhirResourceDaoQuestionnaireAnswersDstu2.java

@@ -1,5 +1,25 @@
 package ca.uhn.fhir.jpa.dao;
 
+/*
+ * #%L
+ * HAPI FHIR JPA Server
+ * %%
+ * Copyright (C) 2014 - 2015 University Health Network
+ * %%
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * #L%
+ */
+
 import org.hl7.fhir.instance.model.api.IBaseOperationOutcome;
 import org.hl7.fhir.instance.model.api.IBaseResource;
 import org.hl7.fhir.instance.model.api.IIdType;
@@ -41,7 +61,7 @@ public class FhirResourceDaoQuestionnaireAnswersDstu2 extends FhirResourceDaoDst
 		ValidationResult result = val.validateWithResult(myRefImplCtx.newJsonParser().parseResource(getContext().newJsonParser().encodeResourceToString(qa)));
 		if (!result.isSuccessful()) {
 			IBaseOperationOutcome oo = getContext().newJsonParser().parseResource(OperationOutcome.class, myRefImplCtx.newJsonParser().encodeResourceToString(result.toOperationOutcome()));
-			throw new UnprocessableEntityException(oo);
+			throw new UnprocessableEntityException(getContext(), oo);
 		}
 	}
 

hapi-fhir-structures-dstu2/src/main/java/ca/uhn/fhir/model/dstu2/composite/BoundCodeableConceptDt.java

@@ -26,6 +26,8 @@ import java.util.Collection;
 import java.util.HashSet;
 import java.util.Set;
 
+import org.apache.commons.lang3.Validate;
+
 import ca.uhn.fhir.model.api.IBoundCodeableConcept;
 import ca.uhn.fhir.model.api.IValueSetEnumBinder;
 import ca.uhn.fhir.model.api.annotation.DatatypeDef;
@@ -37,10 +39,19 @@ public class BoundCodeableConceptDt<T extends Enum<?>> extends CodeableConceptDt
 
 	private IValueSetEnumBinder<T> myBinder;
 
+	/**
+	 * @deprecated This constructor is provided only for serialization support. Do not call it directly!
+	 */
+	@Deprecated
+	public BoundCodeableConceptDt() {
+		// nothing
+	}
+
 	/**
 	 * Constructor
 	 */
 	public BoundCodeableConceptDt(IValueSetEnumBinder<T> theBinder) {
+		Validate.notNull(theBinder, "theBinder must not be null");
 		myBinder = theBinder;
 	}
 
@@ -48,6 +59,7 @@ public class BoundCodeableConceptDt<T extends Enum<?>> extends CodeableConceptDt
 	 * Constructor
 	 */
 	public BoundCodeableConceptDt(IValueSetEnumBinder<T> theBinder, T theValue) {
+		Validate.notNull(theBinder, "theBinder must not be null");
 		myBinder = theBinder;
 		setValueAsEnum(theValue);
 	}
@@ -56,6 +68,7 @@ public class BoundCodeableConceptDt<T extends Enum<?>> extends CodeableConceptDt
 	 * Constructor
 	 */
 	public BoundCodeableConceptDt(IValueSetEnumBinder<T> theBinder, Collection<T> theValues) {
+		Validate.notNull(theBinder, "theBinder must not be null");
 		myBinder = theBinder;
 		setValueAsEnum(theValues);
 	}
@@ -70,6 +83,7 @@ public class BoundCodeableConceptDt<T extends Enum<?>> extends CodeableConceptDt
 	 *            The value to add, or <code>null</code>
 	 */
 	public void setValueAsEnum(Collection<T> theValues) {
+		Validate.notNull(myBinder, "This object does not have a binder. Constructor BoundCodeableConceptDt() should not be called!");
 		getCoding().clear();
 		if (theValues != null) {
 			for (T next : theValues) {
@@ -88,6 +102,7 @@ public class BoundCodeableConceptDt<T extends Enum<?>> extends CodeableConceptDt
 	 *            The value to add, or <code>null</code>
 	 */
 	public void setValueAsEnum(T theValue) {
+		Validate.notNull(myBinder, "This object does not have a binder. Constructor BoundCodeableConceptDt() should not be called!");
 		getCoding().clear();
 		if (theValue == null) {
 			return;
@@ -107,6 +122,7 @@ public class BoundCodeableConceptDt<T extends Enum<?>> extends CodeableConceptDt
 	 *         no codes that match the enum.
 	 */
 	public Set<T> getValueAsEnum() {
+		Validate.notNull(myBinder, "This object does not have a binder. Constructor BoundCodeableConceptDt() should not be called!");
 		Set<T> retVal = new HashSet<T>();
 		for (CodingDt next : getCoding()) {
 			if (next == null) {

hapi-fhir-structures-dstu2/src/test/java/ca/uhn/fhir/model/dstu2/ModelSerializationTest.java

@@ -0,0 +1,30 @@
+package ca.uhn.fhir.model.dstu2;
+
+import static org.junit.Assert.assertEquals;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.commons.lang3.SerializationUtils;
+import org.junit.Test;
+
+import ca.uhn.fhir.context.FhirContext;
+import ca.uhn.fhir.model.dstu2.resource.Bundle;
+import ca.uhn.fhir.model.dstu2.resource.DiagnosticReport;
+import ca.uhn.fhir.parser.IParser;
+
+public class ModelSerializationTest {
+
+	private static final FhirContext ourCtx = FhirContext.forDstu2();
+	
+	@Test
+	public void testSerialization() throws Exception {
+		String input = IOUtils.toString(ModelSerializationTest.class.getResourceAsStream("/diagnosticreport-examples-lab-text(72ac8493-52ac-41bd-8d5d-7258c289b5ea).xml"));
+		
+		Bundle parsed = ourCtx.newXmlParser().parseResource(Bundle.class, input);
+		Bundle roundTripped = SerializationUtils.roundtrip(parsed);
+		
+		IParser p = ourCtx.newXmlParser().setPrettyPrint(true);
+		assertEquals(p.encodeResourceToString(parsed), p.encodeResourceToString(roundTripped));
+		
+	}
+	
+}

hapi-fhir-structures-hl7org-dstu2/src/main/java/org/hl7/fhir/instance/validation/QuestionnaireAnswersValidator.java

@@ -26,6 +26,7 @@ import org.hl7.fhir.instance.model.Questionnaire.GroupComponent;
 import org.hl7.fhir.instance.model.Questionnaire.QuestionComponent;
 import org.hl7.fhir.instance.model.QuestionnaireAnswers;
 import org.hl7.fhir.instance.model.QuestionnaireAnswers.QuestionAnswerComponent;
+import org.hl7.fhir.instance.model.QuestionnaireAnswers.QuestionnaireAnswersStatus;
 import org.hl7.fhir.instance.model.Reference;
 import org.hl7.fhir.instance.model.Resource;
 import org.hl7.fhir.instance.model.StringType;
@@ -44,11 +45,11 @@ import org.hl7.fhir.instance.utils.WorkerContext;
  */
 public class QuestionnaireAnswersValidator extends BaseValidator {
 
-	/*
+	/* *****************************************************************
 	 * Note to anyone working on this class -
 	 * 
 	 * This class has unit tests which run within the HAPI project build. Please sync any changes here to HAPI and ensure that unit tests are run.
-	 */
+	 * *****************************************************************/
 
 	private WorkerContext myWorkerCtx;
 
@@ -102,9 +103,17 @@ public class QuestionnaireAnswersValidator extends BaseValidator {
 			return;
 		}
 
+		QuestionnaireAnswersStatus status = theAnswers.getStatus();
+		boolean validateRequired = false;
+		if (status == QuestionnaireAnswersStatus.COMPLETED || status == QuestionnaireAnswersStatus.AMENDED) {
+			validateRequired = true;
+		} else {
+			hint(theErrors, null, null, false, "Questionnaire has status {0} so ");
+		}
+		
 		pathStack.removeLast();
 		pathStack.add("group(0)");
-		validateGroup(theErrors, questionnaire.getGroup(), theAnswers.getGroup(), pathStack, theAnswers);
+		validateGroup(theErrors, questionnaire.getGroup(), theAnswers.getGroup(), pathStack, theAnswers, validateRequired);
 	}
 
 	private Questionnaire getQuestionnaire(QuestionnaireAnswers theAnswers, Reference theQuestionnaireRef) {
@@ -142,7 +151,7 @@ public class QuestionnaireAnswersValidator extends BaseValidator {
 	}
 
 	private void validateGroup(List<ValidationMessage> theErrors, GroupComponent theQuestGroup, org.hl7.fhir.instance.model.QuestionnaireAnswers.GroupComponent theAnsGroup,
-			LinkedList<String> thePathStack, QuestionnaireAnswers theAnswers) {
+			LinkedList<String> thePathStack, QuestionnaireAnswers theAnswers, boolean theValidateRequired) {
 
 		for (org.hl7.fhir.instance.model.QuestionnaireAnswers.QuestionComponent next : theAnsGroup.getQuestion()) {
 			rule(theErrors, IssueType.INVALID, thePathStack, isNotBlank(next.getLinkId()), "Question found with no linkId");
@@ -155,7 +164,7 @@ public class QuestionnaireAnswersValidator extends BaseValidator {
 
 		for (int i = 0; i < theQuestGroup.getQuestion().size(); i++) {
 			QuestionComponent nextQuestion = theQuestGroup.getQuestion().get(i);
-			validateQuestion(theErrors, nextQuestion, theAnsGroup, thePathStack, theAnswers);
+			validateQuestion(theErrors, nextQuestion, theAnsGroup, thePathStack, theAnswers, theValidateRequired);
 		}
 
 		// Check that there are no extra answers
@@ -167,12 +176,12 @@ public class QuestionnaireAnswersValidator extends BaseValidator {
 			thePathStack.remove();
 		}
 
-		validateGroupGroups(theErrors, theQuestGroup, theAnsGroup, thePathStack, theAnswers);
+		validateGroupGroups(theErrors, theQuestGroup, theAnsGroup, thePathStack, theAnswers, theValidateRequired);
 
 	}
 
 	private void validateQuestion(List<ValidationMessage> theErrors, QuestionComponent theQuestion, org.hl7.fhir.instance.model.QuestionnaireAnswers.GroupComponent theAnsGroup,
-			LinkedList<String> thePathStack, QuestionnaireAnswers theAnswers) {
+			LinkedList<String> thePathStack, QuestionnaireAnswers theAnswers, boolean theValidateRequired) {
 		String linkId = theQuestion.getLinkId();
 		if (!fail(theErrors, IssueType.INVALID, thePathStack, isNotBlank(linkId), "Questionnaire is invalid, question found with no link ID")) {
 			return;
@@ -192,32 +201,32 @@ public class QuestionnaireAnswersValidator extends BaseValidator {
 			rule(theErrors, IssueType.BUSINESSRULE, thePathStack, !theQuestion.getRequired(), "Multiple answers repetitions found with linkId[{0}]", linkId);
 		}
 		if (answers.size() == 0) {
-			rule(theErrors, IssueType.BUSINESSRULE, thePathStack, !theQuestion.getRequired(), "Missing answer to required question with linkId[{0}]", linkId);
+			rule(theErrors, IssueType.BUSINESSRULE, thePathStack, !(theQuestion.getRequired() && theValidateRequired), "Missing answer to required question with linkId[{0}]", linkId);
 			return;
 		}
 
 		org.hl7.fhir.instance.model.QuestionnaireAnswers.QuestionComponent answerQuestion = answers.get(0);
 		try {
 			thePathStack.add("question(" + answers.indexOf(answerQuestion) + ")");
-			validateQuestionAnswers(theErrors, theQuestion, thePathStack, type, answerQuestion, theAnswers);
+			validateQuestionAnswers(theErrors, theQuestion, thePathStack, type, answerQuestion, theAnswers, theValidateRequired);
-			validateQuestionGroups(theErrors, theQuestion, answerQuestion, thePathStack, theAnswers);
+			validateQuestionGroups(theErrors, theQuestion, answerQuestion, thePathStack, theAnswers, theValidateRequired);
 		} finally {
 			thePathStack.removeLast();
 		}
 	}
 
 	private void validateQuestionGroups(List<ValidationMessage> theErrors, QuestionComponent theQuestion, org.hl7.fhir.instance.model.QuestionnaireAnswers.QuestionComponent theAnswerQuestion,
-			LinkedList<String> thePathSpec, QuestionnaireAnswers theAnswers) {
+			LinkedList<String> thePathSpec, QuestionnaireAnswers theAnswers, boolean theValidateRequired) {
-		validateGroups(theErrors, theQuestion.getGroup(), theAnswerQuestion.getGroup(), thePathSpec, theAnswers);
+		validateGroups(theErrors, theQuestion.getGroup(), theAnswerQuestion.getGroup(), thePathSpec, theAnswers, theValidateRequired);
 	}
 
 	private void validateGroupGroups(List<ValidationMessage> theErrors, GroupComponent theQuestGroup, org.hl7.fhir.instance.model.QuestionnaireAnswers.GroupComponent theAnsGroup,
-			LinkedList<String> thePathSpec, QuestionnaireAnswers theAnswers) {
+			LinkedList<String> thePathSpec, QuestionnaireAnswers theAnswers, boolean theValidateRequired) {
-		validateGroups(theErrors, theQuestGroup.getGroup(), theAnsGroup.getGroup(), thePathSpec, theAnswers);
+		validateGroups(theErrors, theQuestGroup.getGroup(), theAnsGroup.getGroup(), thePathSpec, theAnswers, theValidateRequired);
 	}
 
 	private void validateGroups(List<ValidationMessage> theErrors, List<GroupComponent> theQuestionGroups, List<org.hl7.fhir.instance.model.QuestionnaireAnswers.GroupComponent> theAnswerGroups,
-			LinkedList<String> thePathStack, QuestionnaireAnswers theAnswers) {
+			LinkedList<String> thePathStack, QuestionnaireAnswers theAnswers, boolean theValidateRequired) {
 		Set<String> allowedGroups = new HashSet<String>();
 		for (GroupComponent nextQuestionGroup : theQuestionGroups) {
 			String linkId = nextQuestionGroup.getLinkId();
@@ -225,7 +234,7 @@ public class QuestionnaireAnswersValidator extends BaseValidator {
 
 			List<org.hl7.fhir.instance.model.QuestionnaireAnswers.GroupComponent> answerGroups = findGroupByLinkId(theAnswerGroups, linkId);
 			if (answerGroups.isEmpty()) {
-				if (nextQuestionGroup.getRequired()) {
+				if (nextQuestionGroup.getRequired() && theValidateRequired) {
 					rule(theErrors, IssueType.BUSINESSRULE, thePathStack, false, "Missing required group with linkId[{0}]", linkId);
 				}
 				continue;
@@ -241,7 +250,7 @@ public class QuestionnaireAnswersValidator extends BaseValidator {
 			for (org.hl7.fhir.instance.model.QuestionnaireAnswers.GroupComponent nextAnswerGroup : answerGroups) {
 				int index = theAnswerGroups.indexOf(answerGroups.get(1));
 				thePathStack.add("group(" + index + ")");
-				validateGroup(theErrors, nextQuestionGroup, nextAnswerGroup, thePathStack, theAnswers);
+				validateGroup(theErrors, nextQuestionGroup, nextAnswerGroup, thePathStack, theAnswers, theValidateRequired);
 				thePathStack.removeLast();
 			}
 		}
@@ -259,13 +268,13 @@ public class QuestionnaireAnswersValidator extends BaseValidator {
 	}
 
 	private void validateQuestionAnswers(List<ValidationMessage> theErrors, QuestionComponent theQuestion, LinkedList<String> thePathStack, AnswerFormat type,
-			org.hl7.fhir.instance.model.QuestionnaireAnswers.QuestionComponent answerQuestion, QuestionnaireAnswers theAnswers) {
+			org.hl7.fhir.instance.model.QuestionnaireAnswers.QuestionComponent answerQuestion, QuestionnaireAnswers theAnswers, boolean theValidateRequired) {
 
 		String linkId = theQuestion.getLinkId();
 		Set<Class<? extends Type>> allowedAnswerTypes = determineAllowedAnswerTypes(type);
 		if (allowedAnswerTypes.isEmpty()) {
 			rule(theErrors, IssueType.BUSINESSRULE, thePathStack, answerQuestion.isEmpty(), "Question with linkId[{0}] has no answer type but an answer was provided", linkId);
-		} else {
+		} else if (theValidateRequired) {
 			rule(theErrors, IssueType.BUSINESSRULE, thePathStack, !(answerQuestion.getAnswer().size() > 1 && !theQuestion.getRepeats()), "Multiple answers to non repeating question with linkId[{0}]",
 					linkId);
 			rule(theErrors, IssueType.BUSINESSRULE, thePathStack, !(theQuestion.getRequired() && answerQuestion.getAnswer().isEmpty()), "Missing answer to required question with linkId[{0}]", linkId);

hapi-fhir-structures-hl7org-dstu2/src/test/java/ca/uhn/fhir/validation/QuestionnaireAnswersValidatorIntegrationTest.java

@@ -1,6 +1,7 @@
 package ca.uhn.fhir.validation;
 
 import static org.hamcrest.Matchers.containsString;
+import static org.hamcrest.Matchers.empty;
 import static org.junit.Assert.*;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
@@ -12,12 +13,15 @@ import java.util.List;
 import org.apache.commons.io.IOUtils;
 import org.hl7.fhir.instance.model.Coding;
 import org.hl7.fhir.instance.model.IdType;
+import org.hl7.fhir.instance.model.IntegerType;
 import org.hl7.fhir.instance.model.Questionnaire;
+import org.hl7.fhir.instance.model.Questionnaire.GroupComponent;
 import org.hl7.fhir.instance.model.QuestionnaireAnswers;
 import org.hl7.fhir.instance.model.Reference;
 import org.hl7.fhir.instance.model.StringType;
 import org.hl7.fhir.instance.model.ValueSet;
 import org.hl7.fhir.instance.model.Questionnaire.AnswerFormat;
+import org.hl7.fhir.instance.model.QuestionnaireAnswers.QuestionnaireAnswersStatus;
 import org.hl7.fhir.instance.utils.WorkerContext;
 import org.hl7.fhir.instance.validation.QuestionnaireAnswersValidator;
 import org.hl7.fhir.instance.validation.ValidationMessage;
@@ -26,6 +30,7 @@ import org.junit.Test;
 import org.mockito.Mockito;
 
 import ca.uhn.fhir.context.FhirContext;
+import ca.uhn.fhir.model.primitive.IntegerDt;
 import ca.uhn.fhir.rest.server.exceptions.ResourceNotFoundException;
 
 public class QuestionnaireAnswersValidatorIntegrationTest {
@@ -66,6 +71,59 @@ public class QuestionnaireAnswersValidatorIntegrationTest {
 		assertThat(result.getMessages().toString(), containsString("Answer to question with linkId[link0] found of type [StringType] but this is invalid for question of type [boolean]"));
 	}
 
+	@Test
+	public void testRequiredOnlyTestedForFinishedQuestionnaires() {
+		Questionnaire q = new Questionnaire();
+		q.getGroup().addQuestion().setLinkId("link0").setRequired(true).setType(AnswerFormat.BOOLEAN);
+		GroupComponent qg = q.getGroup().addGroup().setLinkId("link1").setRequired(true);
+		qg.addQuestion().setLinkId("link2").setRequired(false).setType(AnswerFormat.BOOLEAN);
+
+		when(myResourceLoaderMock.load(Mockito.eq(Questionnaire.class), Mockito.eq(new IdType("http://example.com/Questionnaire/q1")))).thenReturn(q);
+
+		// Wrong type
+		{
+			QuestionnaireAnswers qa = new QuestionnaireAnswers();
+			qa.getQuestionnaire().setReference("http://example.com/Questionnaire/q1");
+			qa.getGroup().addQuestion().setLinkId("link0").addAnswer().setValue(new IntegerType(123));
+
+			ValidationResult result = myVal.validateWithResult(qa);
+			ourLog.info(result.getMessages().toString());
+			assertThat(result.getMessages().toString(), containsString("Answer to question with linkId[link0] found of type [IntegerType] but this is invalid for question of type [boolean]"));
+		}
+
+		// Not populated, no status
+		{
+			QuestionnaireAnswers qa = new QuestionnaireAnswers();
+			qa.getQuestionnaire().setReference("http://example.com/Questionnaire/q1");
+
+			ValidationResult result = myVal.validateWithResult(qa);
+			ourLog.info(result.getMessages().toString());
+			assertThat(result.getMessages(), empty());
+		}
+
+		// Not populated, partial status
+		{
+			QuestionnaireAnswers qa = new QuestionnaireAnswers();
+			qa.getQuestionnaire().setReference("http://example.com/Questionnaire/q1");
+			qa.setStatus(QuestionnaireAnswersStatus.INPROGRESS);
+
+			ValidationResult result = myVal.validateWithResult(qa);
+			ourLog.info(result.getMessages().toString());
+			assertThat(result.getMessages(), empty());
+		}
+
+		// Not populated, finished status
+		{
+			QuestionnaireAnswers qa = new QuestionnaireAnswers();
+			qa.getQuestionnaire().setReference("http://example.com/Questionnaire/q1");
+			qa.setStatus(QuestionnaireAnswersStatus.COMPLETED);
+
+			ValidationResult result = myVal.validateWithResult(qa);
+			ourLog.info(result.getMessages().toString());
+			assertThat(result.getMessages().toString(), containsString("Missing answer to required question with linkId[link0]"));
+		}
+}
+
 	@Test
 	public void testCodedAnswer() {
 		String questionnaireRef = "http://example.com/Questionnaire/q1";
@@ -96,12 +154,12 @@ public class QuestionnaireAnswersValidatorIntegrationTest {
 		result = myVal.validateWithResult(qa);
 		ourLog.info(result.getMessages().toString());
 		assertThat(result.getMessages().toString(), containsString("myLocationString=QuestionnaireAnswers.group(0).question(0).answer(0)"));
-		assertThat(result.getMessages().toString(), containsString("myMessage=Question with linkId[link0] has answer with system[urn:system] and code[code1] but this is not a valid answer for ValueSet[http://somevalueset/ValueSet/123]"));
+		assertThat(result.getMessages().toString(),
+				containsString("myMessage=Question with linkId[link0] has answer with system[urn:system] and code[code1] but this is not a valid answer for ValueSet[http://somevalueset/ValueSet/123]"));
 
 		result.toOperationOutcome();
 	}
 
-
 	@Test
 	public void testUnknownValueSet() {
 		String questionnaireRef = "http://example.com/Questionnaire/q1";

hapi-fhir-structures-hl7org-dstu2/src/test/java/ca/uhn/fhir/validation/QuestionnaireAnswersValidatorTest.java

@@ -15,6 +15,7 @@ import org.hl7.fhir.instance.model.Reference;
 import org.hl7.fhir.instance.model.StringType;
 import org.hl7.fhir.instance.model.ValueSet;
 import org.hl7.fhir.instance.model.Questionnaire.AnswerFormat;
+import org.hl7.fhir.instance.model.QuestionnaireAnswers.QuestionnaireAnswersStatus;
 import org.hl7.fhir.instance.utils.WorkerContext;
 import org.hl7.fhir.instance.validation.QuestionnaireAnswersValidator;
 import org.hl7.fhir.instance.validation.ValidationMessage;
@@ -99,6 +100,7 @@ public class QuestionnaireAnswersValidatorTest {
 		q.getGroup().addQuestion().setLinkId("link1").setRequired(true).setType(AnswerFormat.STRING);
 		
 		QuestionnaireAnswers qa = new QuestionnaireAnswers();
+		qa.setStatus(QuestionnaireAnswersStatus.COMPLETED);
 		qa.getQuestionnaire().setReference("http://example.com/Questionnaire/q1");
 		qa.getGroup().addQuestion().setLinkId("link1").addAnswer().setValue(new StringType("FOO"));
 		

hapi-tinder-plugin/src/main/java/ca/uhn/fhir/tinder/TinderStructuresMojo.java

@@ -215,11 +215,11 @@ public class TinderStructuresMojo extends AbstractMojo {
 //		ProfileParser pp = new ProfileParser();
 //		pp.parseSingleProfile(new File("../hapi-tinder-test/src/test/resources/profile/patient.xml"), "http://foo");
 
-		ValueSetGenerator vsp = new ValueSetGenerator("dstu2");
+		ValueSetGenerator vsp = new ValueSetGenerator("dstu");
 //		 vsp.setResourceValueSetFiles(theResourceValueSetFiles);Directory("src/main/resources/vs/");
 		vsp.parse();
 
-		DatatypeGeneratorUsingSpreadsheet dtp = new DatatypeGeneratorUsingSpreadsheet("dstu2", ".");
+		DatatypeGeneratorUsingSpreadsheet dtp = new DatatypeGeneratorUsingSpreadsheet("dstu", ".");
 		dtp.parse();
 		dtp.markResourcesForImports();
 		dtp.bindValueSets(vsp);
@@ -227,8 +227,8 @@ public class TinderStructuresMojo extends AbstractMojo {
 
 		String dtOutputDir = "target/generated-sources/tinder/ca/uhn/fhir/model/dev/composite";
 
-		ResourceGeneratorUsingSpreadsheet rp = new ResourceGeneratorUsingSpreadsheet("dstu2", ".");
+		ResourceGeneratorUsingSpreadsheet rp = new ResourceGeneratorUsingSpreadsheet("dstu", ".");
-		rp.setBaseResourceNames(Arrays.asList( "composition", "list"  
+		rp.setBaseResourceNames(Arrays.asList( "patient", "list"  
 //				//, "contract" 
 //				"valueset", "organization", "location" 
 //				, "observation", "conformance"

hapi-tinder-plugin/src/main/java/ca/uhn/fhir/tinder/ValueSetGenerator.java

@@ -308,7 +308,7 @@ public class ValueSetGenerator {
 
 	public static void main(String[] args) throws FileNotFoundException, IOException {
 
-		ValueSetGenerator p = new ValueSetGenerator("dev");
+		ValueSetGenerator p = new ValueSetGenerator("dstu1");
 		p.parse();
 
 	}

src/changes/changes.xml

@@ -49,6 +49,10 @@
 				Operations in server generated conformance statement should only
 				appear once per name, since the name needs to be unique.
 			</action>
+			<action>
+				Resources and datatypes are now serializable. This is an
+				experimental feature which hasn't yet been extensively tested. Please test and give us your feedback!
+			</action>
 		</release>
 		<release version="1.1" date="2015-07-13">
 			<action type="add">