Merge branch 'master' of github.com:jamesagnew/hapi-fhir into hl7org_structs

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

@@ -59,4 +59,16 @@ public interface IQueryParameterType {
 	 */
 	public String getQueryParameterQualifier();
 
+	/**
+	 * If set to non-null value, indicates that this parameter has been populated with a "[name]:missing=true" or "[name]:missing=false" vale 
+	 * instead of a normal value 
+	 */
+	Boolean getMissing();
+
+	/**
+	 * If set to non-null value, indicates that this parameter has been populated with a "[name]:missing=true" or "[name]:missing=false" vale 
+	 * instead of a normal value 
+	 */
+	void setMissing(Boolean theMissing);
+
 }

hapi-fhir-base/src/main/java/ca/uhn/fhir/model/base/composite/BaseCodingDt.java

@@ -29,6 +29,7 @@ import ca.uhn.fhir.model.primitive.CodeDt;
 import ca.uhn.fhir.model.primitive.StringDt;
 import ca.uhn.fhir.model.primitive.UriDt;
 import ca.uhn.fhir.rest.param.ParameterUtil;
+import ca.uhn.fhir.rest.param.TokenParam;
 
 public abstract class BaseCodingDt extends BaseIdentifiableElement implements ICompositeDatatype, IQueryParameterType {
 
@@ -172,4 +173,28 @@ public abstract class BaseCodingDt extends BaseIdentifiableElement implements IC
 	public abstract BaseCodingDt setSystem(String theUri);
 
 
+	/**
+	 * <b>Not supported!</b>
+	 * 
+	 * @deprecated get/setMissing is not supported in StringDt. Use {@link TokenParam} instead if you
+	 * need this functionality
+	 */
+	@Deprecated
+	@Override
+	public Boolean getMissing() {
+		return null;
+	}
+
+	/**
+	 * <b>Not supported!</b>
+	 * 
+	 * @deprecated get/setMissing is not supported in StringDt. Use {@link TokenParam} instead if you
+	 * need this functionality
+	 */
+	@Deprecated
+	@Override
+	public void setMissing(Boolean theMissing) {
+		throw new UnsupportedOperationException("get/setMissing is not supported in StringDt. Use {@link StringParam} instead if you need this functionality");
+	}
+
 }

hapi-fhir-base/src/main/java/ca/uhn/fhir/model/base/composite/BaseIdentifierDt.java

@@ -28,6 +28,7 @@ import ca.uhn.fhir.model.api.IQueryParameterType;
 import ca.uhn.fhir.model.primitive.StringDt;
 import ca.uhn.fhir.model.primitive.UriDt;
 import ca.uhn.fhir.rest.param.ParameterUtil;
+import ca.uhn.fhir.rest.param.StringParam;
 
 public abstract class BaseIdentifierDt extends BaseIdentifiableElement implements ICompositeDatatype, IQueryParameterType {
 
@@ -112,4 +113,29 @@ public abstract class BaseIdentifierDt extends BaseIdentifiableElement implement
 		}
 	}
 
+	
+	/**
+	 * <b>Not supported!</b>
+	 * 
+	 * @deprecated get/setMissing is not supported in StringDt. Use {@link StringParam} instead if you
+	 * need this functionality
+	 */
+	@Deprecated
+	@Override
+	public Boolean getMissing() {
+		return null;
+	}
+
+	/**
+	 * <b>Not supported!</b>
+	 * 
+	 * @deprecated get/setMissing is not supported in StringDt. Use {@link StringParam} instead if you
+	 * need this functionality
+	 */
+	@Deprecated
+	@Override
+	public void setMissing(Boolean theMissing) {
+		throw new UnsupportedOperationException("get/setMissing is not supported in StringDt. Use {@link StringParam} instead if you need this functionality");
+	}
+
 }

hapi-fhir-base/src/main/java/ca/uhn/fhir/model/base/composite/BaseQuantityDt.java

@@ -33,6 +33,8 @@ import ca.uhn.fhir.model.primitive.CodeDt;
 import ca.uhn.fhir.model.primitive.DecimalDt;
 import ca.uhn.fhir.model.primitive.StringDt;
 import ca.uhn.fhir.model.primitive.UriDt;
+import ca.uhn.fhir.rest.param.QuantityParam;
+import ca.uhn.fhir.rest.param.StringParam;
 
 public abstract class BaseQuantityDt extends BaseIdentifiableElement implements ICompositeDatatype, IQueryParameterType {
 
@@ -208,4 +210,30 @@ public abstract class BaseQuantityDt extends BaseIdentifiableElement implements
      * </p> 
 	 */
 	public abstract DecimalDt getValueElement();
+	
+	/**
+	 * <b>Not supported!</b>
+	 * 
+	 * @deprecated get/setMissing is not supported in StringDt. Use {@link QuantityParam} instead if you
+	 * need this functionality
+	 */
+	@Deprecated
+	@Override
+	public Boolean getMissing() {
+		return null;
+	}
+
+	/**
+	 * <b>Not supported!</b>
+	 * 
+	 * @deprecated get/setMissing is not supported in StringDt. Use {@link QuantityParam} instead if you
+	 * need this functionality
+	 */
+	@Deprecated
+	@Override
+	public void setMissing(Boolean theMissing) {
+		throw new UnsupportedOperationException("get/setMissing is not supported in StringDt. Use {@link StringParam} instead if you need this functionality");
+	}
+
+	
 }

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

@@ -26,6 +26,7 @@ import ca.uhn.fhir.model.api.BasePrimitive;
 import ca.uhn.fhir.model.api.IQueryParameterType;
 import ca.uhn.fhir.model.api.annotation.DatatypeDef;
 import ca.uhn.fhir.model.api.annotation.SimpleSetter;
+import ca.uhn.fhir.rest.param.StringParam;
 
 @DatatypeDef(name = "string")
 public class StringDt extends BasePrimitive<String> implements IQueryParameterType {
@@ -122,4 +123,28 @@ public class StringDt extends BasePrimitive<String> implements IQueryParameterTy
 		return theValue;
 	}
 
+	/**
+	 * <b>Not supported!</b>
+	 * 
+	 * @deprecated get/setMissing is not supported in StringDt. Use {@link StringParam} instead if you
+	 * need this functionality
+	 */
+	@Deprecated
+	@Override
+	public Boolean getMissing() {
+		return null;
+	}
+
+	/**
+	 * <b>Not supported!</b>
+	 * 
+	 * @deprecated get/setMissing is not supported in StringDt. Use {@link StringParam} instead if you
+	 * need this functionality
+	 */
+	@Deprecated
+	@Override
+	public void setMissing(Boolean theMissing) {
+		throw new UnsupportedOperationException("get/setMissing is not supported in StringDt. Use {@link StringParam} instead if you need this functionality");
+	}
+
 }

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/gclient/BaseClientParam.java

@@ -0,0 +1,33 @@
+package ca.uhn.fhir.rest.gclient;
+
+import ca.uhn.fhir.rest.server.Constants;
+
+abstract class BaseClientParam implements IParam {
+
+	@Override
+	public ICriterion<?> isMissing(boolean theMissing) {
+		return new MissingCriterion(theMissing ? Constants.PARAMQUALIFIER_MISSING_TRUE : Constants.PARAMQUALIFIER_MISSING_FALSE);
+	}
+
+	private class MissingCriterion implements ICriterion<IParam>, ICriterionInternal
+	{
+		private String myParameterValue;
+
+
+		public MissingCriterion(String theParameterValue) {
+			myParameterValue = theParameterValue;
+		}
+
+		@Override
+		public String getParameterValue() {
+			return myParameterValue;
+		}
+
+		@Override
+		public String getParameterName() {
+			return BaseClientParam.this.getParamName() + Constants.PARAMQUALIFIER_MISSING;
+		}
+		
+	}
+	
+}

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/gclient/CompositeClientParam.java

@@ -23,7 +23,7 @@ package ca.uhn.fhir.rest.gclient;
 /**
  * Composite parameter type for use in fluent client interfaces
  */
-public class CompositeClientParam<A extends IParam, B extends IParam> implements IParam {
+public class CompositeClientParam<A extends IParam, B extends IParam> extends BaseClientParam implements IParam {
 
 	private String myName;
 

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/gclient/DateClientParam.java

@@ -28,7 +28,7 @@ import ca.uhn.fhir.model.primitive.DateTimeDt;
 /**
  * Date parameter type for use in fluent client interfaces
  */
-public class DateClientParam implements IParam {
+public class DateClientParam  extends BaseClientParam implements IParam {
 
 	private String myParamName;
 

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/gclient/IParam.java

@@ -22,6 +22,16 @@ package ca.uhn.fhir.rest.gclient;
 
 public interface IParam {
 
+	/**
+	 * Returns the name of this parameter
+	 */
 	String getParamName();
 
+	/**
+	 * Sets the <code>:missing</code> qualifier for this parameter. Set this to <code>true</code>
+	 * to indicate that the server should return resources with this value <p>populated</p>. Set this to
+	 * <code>false</code> to indicate that the server should return resources with this value <b>missing</b>.
+	 */
+	ICriterion<?> isMissing(boolean theMissing);
+	
 }

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/gclient/NumberClientParam.java

@@ -23,7 +23,7 @@ package ca.uhn.fhir.rest.gclient;
 /**
  * Token parameter type for use in fluent client interfaces
  */
-public class NumberClientParam implements IParam {
+public class NumberClientParam extends BaseClientParam  implements IParam {
 
 	private String myParamName;
 

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/gclient/QuantityClientParam.java

@@ -27,7 +27,7 @@ import ca.uhn.fhir.rest.gclient.NumberClientParam.IMatches;
 /**
  * Token parameter type for use in fluent client interfaces
  */
-public class QuantityClientParam implements IParam {
+public class QuantityClientParam extends BaseClientParam  implements IParam {
 
 	private String myParamName;
 

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/gclient/ReferenceClientParam.java

@@ -23,7 +23,7 @@ import ca.uhn.fhir.model.primitive.IdDt;
  */
 
 
-public class ReferenceClientParam implements IParam {
+public class ReferenceClientParam extends BaseClientParam  implements IParam {
 
 	private String myName;
 

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/gclient/StringClientParam.java

@@ -31,7 +31,7 @@ import ca.uhn.fhir.rest.server.Constants;
  * @author james
  *
  */
-public class StringClientParam implements IParam {
+public class StringClientParam extends BaseClientParam  implements IParam {
 
 	private final String myParamName;
 

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/gclient/TokenClientParam.java

@@ -31,7 +31,7 @@ import ca.uhn.fhir.model.base.composite.BaseIdentifierDt;
 /**
  * Token parameter type for use in fluent client interfaces
  */
-public class TokenClientParam implements IParam {
+public class TokenClientParam extends BaseClientParam  implements IParam {
 
 	private String myParamName;
 

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/gclient/UriClientParam.java

@@ -28,7 +28,7 @@ import ca.uhn.fhir.model.primitive.StringDt;
 /**
  *
  */
-public class UriClientParam implements IParam {
+public class UriClientParam extends BaseClientParam  implements IParam {
 
 	//TODO: handle :above and :below
 	

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/param/BaseParam.java

@@ -26,54 +26,76 @@ import ca.uhn.fhir.rest.server.Constants;
 /**
  * Base class for RESTful operation parameter types
  */
-public class BaseParam implements IQueryParameterType {
+abstract class BaseParam implements IQueryParameterType {
 
-	private Boolean  myMissing;
+	private Boolean myMissing;
 
 	/**
-	 * If set to non-null value, indicates that this parameter has been populated with a "[name]:missing=true" or "[name]:missing=false" vale 
+	 * If set to non-null value, indicates that this parameter has been populated with a "[name]:missing=true" or "[name]:missing=false" vale instead of a normal value
-	 * instead of a normal value 
 	 */
+	@Override
 	public Boolean getMissing() {
 		return myMissing;
 	}
 
-	
-	
 	@Override
-	public String getQueryParameterQualifier() {
+	public final String getQueryParameterQualifier() {
 		if (myMissing != null) {
 			return Constants.PARAMQUALIFIER_MISSING;
 		}
-		return null;
+		return doGetQueryParameterQualifier();
 	}
 
+	abstract String doGetQueryParameterQualifier();
+
+	abstract String doGetValueAsQueryToken();
 	
 	@Override
-	public String getValueAsQueryToken() {
+	public final String getValueAsQueryToken() {
 		if (myMissing != null) {
-			return myMissing ? "true" : "false";
+			return myMissing ? Constants.PARAMQUALIFIER_MISSING_TRUE : Constants.PARAMQUALIFIER_MISSING_FALSE;
 		}
-		return null;
+		return doGetValueAsQueryToken();
 	}
 
-
-
 	/**
-	 * If set to non-null value, indicates that this parameter has been populated with a "[name]:missing=true" or "[name]:missing=false" vale 
+	 * If set to non-null value, indicates that this parameter has been populated with a "[name]:missing=true" or "[name]:missing=false" vale instead of a normal value
-	 * instead of a normal value 
 	 */
+	@Override
 	public void setMissing(Boolean theMissing) {
 		myMissing = theMissing;
 	}
 
 	@Override
-	public void setValueAsQueryToken(String theQualifier, String theValue) {
+	public final void setValueAsQueryToken(String theQualifier, String theValue) {
 		if (Constants.PARAMQUALIFIER_MISSING.equals(theQualifier)) {
 			myMissing = "true".equals(theValue);
+			doSetValueAsQueryToken(null, null);
 		} else {
 			myMissing = null;
+			doSetValueAsQueryToken(theQualifier, theValue);
 		}
 	}
 
+	abstract void doSetValueAsQueryToken(String theQualifier, String theValue);
+
+	static class ComposableBaseParam extends BaseParam{
+
+		@Override
+		String doGetQueryParameterQualifier() {
+			return null;
+		}
+
+		@Override
+		String doGetValueAsQueryToken() {
+			return null;
+		}
+
+		@Override
+		void doSetValueAsQueryToken(String theQualifier, String theValue) {
+			// nothing
+		}
+		
+	}
+	
 }

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/param/CompositeParam.java

@@ -30,7 +30,7 @@ import ca.uhn.fhir.context.ConfigurationException;
 import ca.uhn.fhir.model.api.IQueryParameterType;
 import ca.uhn.fhir.rest.server.exceptions.InvalidRequestException;
 
-public class CompositeParam<A extends IQueryParameterType, B extends IQueryParameterType> implements IQueryParameterType {
+public class CompositeParam<A extends IQueryParameterType, B extends IQueryParameterType> extends BaseParam implements IQueryParameterType {
 
 	private A myLeftType;
 	private B myRightType;
@@ -59,27 +59,13 @@ public class CompositeParam<A extends IQueryParameterType, B extends IQueryParam
 		}
 	}
 
-	/**
-	 * @return Returns the left value for this parameter (the first of two parameters in this composite)
-	 */
-	public A getLeftValue() {
-		return myLeftType;
-	}
-
 	@Override
-	public String getQueryParameterQualifier() {
+	String doGetQueryParameterQualifier() {
 		return null;
 	}
 
-	/**
-	 * @return Returns the right value for this parameter (the second of two parameters in this composite)
-	 */
-	public B getRightValue() {
-		return myRightType;
-	}
-
 	@Override
-	public String getValueAsQueryToken() {
+	String doGetValueAsQueryToken() {
 		StringBuilder b = new StringBuilder();
 		if (myLeftType != null) {
 			b.append(myLeftType.getValueAsQueryToken());
@@ -92,7 +78,7 @@ public class CompositeParam<A extends IQueryParameterType, B extends IQueryParam
 	}
 
 	@Override
-	public void setValueAsQueryToken(String theQualifier, String theValue) {
+	void doSetValueAsQueryToken(String theQualifier, String theValue) {
 		if (isBlank(theValue)) {
 			myLeftType.setValueAsQueryToken(theQualifier, "");
 			myRightType.setValueAsQueryToken(theQualifier, "");
@@ -108,4 +94,18 @@ public class CompositeParam<A extends IQueryParameterType, B extends IQueryParam
 		}
 	}
 
+	/**
+	 * @return Returns the left value for this parameter (the first of two parameters in this composite)
+	 */
+	public A getLeftValue() {
+		return myLeftType;
+	}
+
+	/**
+	 * @return Returns the right value for this parameter (the second of two parameters in this composite)
+	 */
+	public B getRightValue() {
+		return myRightType;
+	}
+
 }

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/param/DateParam.java

@@ -36,7 +36,7 @@ import ca.uhn.fhir.rest.server.exceptions.InvalidRequestException;
 public class DateParam extends DateTimeDt implements IQueryParameterType, IQueryParameterOr<DateParam> {
 
 	private QuantityCompararatorEnum myComparator;
-	private BaseParam myBase=new BaseParam();
+	private BaseParam myBase=new BaseParam.ComposableBaseParam();
 
 	/**
 	 * Constructor
@@ -191,4 +191,14 @@ public class DateParam extends DateTimeDt implements IQueryParameterType, IQuery
 		return new DateTimeDt(getValueAsString());
 	}
 
+	@Override
+	public Boolean getMissing() {
+		return myBase.getMissing();
+	}
+
+	@Override
+	public void setMissing(Boolean theMissing) {
+		myBase.setMissing(theMissing);
+	}
+
 }

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/param/InternalCodingDt.java

@@ -365,6 +365,16 @@ public class InternalCodingDt extends BaseCodingDt implements ICompositeDatatype
 		return getDisplay();
 	}
 
+	@Override
+	public Boolean getMissing() {
+		throw new UnsupportedOperationException();
+	}
+
+	@Override
+	public void setMissing(Boolean theMissing) {
+		throw new UnsupportedOperationException();
+	}
+
   
 
 

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/param/InternalQuantityDt.java

@@ -414,6 +414,16 @@ class InternalQuantityDt
 		return this; 
 	}
 
+	@Override
+	public Boolean getMissing() {
+		throw new UnsupportedOperationException();
+	}
+
+	@Override
+	public void setMissing(Boolean theMissing) {
+		throw new UnsupportedOperationException();
+	}
+
  
 
 

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/param/NumberParam.java

@@ -45,32 +45,24 @@ public class NumberParam extends BaseParam implements IQueryParameterType {
 	}
 
 	@Override
-	public String toString() {
+	String doGetQueryParameterQualifier() {
+		return null;
+	}
+
+	@Override
+	String doGetValueAsQueryToken() {
 		StringBuilder b = new StringBuilder();
-		b.append(getClass().getSimpleName());
-		b.append("[");
 		if (myQuantity.getComparatorElement().isEmpty() == false) {
 			b.append(myQuantity.getComparatorElement().getValue());
 		}
 		if (myQuantity.getValueElement().isEmpty() == false) {
 			b.append(myQuantity.getValueElement().toString());
 		}
-		b.append("]");
 		return b.toString();
 	}
 	
-	public QuantityCompararatorEnum getComparator() {
-		return myQuantity.getComparatorElement().getValueAsEnum();
-	}
-	
-	public BigDecimal getValue() {
-		return myQuantity.getValueElement().getValue();
-	}
-	
-	
 	@Override
-	public void setValueAsQueryToken(String theQualifier, String theValue) {
+	void doSetValueAsQueryToken(String theQualifier, String theValue) {
-		super.setValueAsQueryToken(theQualifier, theValue);
 		if (getMissing() != null && isBlank(theValue)) {
 			return;
 		}
@@ -92,25 +84,28 @@ public class NumberParam extends BaseParam implements IQueryParameterType {
 		}
 	}
 	
-	@Override
-	public String getValueAsQueryToken() {
-		if (getMissing() != null) {
-			return super.getQueryParameterQualifier();
-		}
 	
+	public QuantityCompararatorEnum getComparator() {
+		return myQuantity.getComparatorElement().getValueAsEnum();
+	}
+
+	public BigDecimal getValue() {
+		return myQuantity.getValueElement().getValue();
+	}
+
+	@Override
+	public String toString() {
 		StringBuilder b = new StringBuilder();
+		b.append(getClass().getSimpleName());
+		b.append("[");
 		if (myQuantity.getComparatorElement().isEmpty() == false) {
 			b.append(myQuantity.getComparatorElement().getValue());
 		}
 		if (myQuantity.getValueElement().isEmpty() == false) {
 			b.append(myQuantity.getValueElement().toString());
 		}
+		b.append("]");
 		return b.toString();
 	}
 
-	@Override
-	public String getQueryParameterQualifier() {
-		return super.getQueryParameterQualifier();
-	}
-
 }

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/param/QuantityParam.java

@@ -142,33 +142,13 @@ public class QuantityParam extends BaseParam implements IQueryParameterType {
 		myApproximate = false;
 	}
 
-	public QuantityCompararatorEnum getComparator() {
+	@Override
-		return myQuantity.getComparatorElement().getValueAsEnum();
+	String doGetQueryParameterQualifier() {
+		return null;
 	}
 
 	@Override
-	public String getQueryParameterQualifier() {
+	String doGetValueAsQueryToken() {
-		return super.getQueryParameterQualifier();
-	}
-
-	public UriDt getSystem() {
-		return myQuantity.getSystemElement();
-	}
-
-	public String getUnits() {
-		return myQuantity.getUnitsElement().getValue();
-	}
-
-	public DecimalDt getValue() {
-		return myQuantity.getValueElement();
-	}
-
-	@Override
-	public String getValueAsQueryToken() {
-		if (super.getMissing() != null) {
-			return super.getValueAsQueryToken();
-		}
-
 		StringBuilder b = new StringBuilder();
 		if (myApproximate) {
 			b.append('~');
@@ -191,6 +171,62 @@ public class QuantityParam extends BaseParam implements IQueryParameterType {
 		return b.toString();
 	}
 
+	@Override
+	void doSetValueAsQueryToken(String theQualifier, String theValue) {
+		clear();
+
+		if (theValue == null) {
+			return;
+		}
+		List<String> parts = ParameterUtil.splitParameterString(theValue, '|', true);
+
+		if (parts.size() > 0 && StringUtils.isNotBlank(parts.get(0))) {
+			if (parts.get(0).startsWith("~")) {
+				myQuantity.setComparator((QuantityCompararatorEnum) null);
+				myApproximate = true;
+				myQuantity.setValue(new BigDecimal(parts.get(0).substring(1)));
+			} else if (parts.get(0).startsWith("<=")) {
+				myQuantity.setComparator(QuantityCompararatorEnum.LESSTHAN_OR_EQUALS);
+				myQuantity.setValue(new BigDecimal(parts.get(0).substring(2)));
+			} else if (parts.get(0).startsWith("<")) {
+				myQuantity.setComparator(QuantityCompararatorEnum.LESSTHAN);
+				String valStr = parts.get(0).substring(1);
+				myQuantity.setValue(new BigDecimal(valStr));
+			} else if (parts.get(0).startsWith(">=")) {
+				myQuantity.setComparator(QuantityCompararatorEnum.GREATERTHAN_OR_EQUALS);
+				myQuantity.setValue(new BigDecimal(parts.get(0).substring(2)));
+			} else if (parts.get(0).startsWith(">")) {
+				myQuantity.setComparator(QuantityCompararatorEnum.GREATERTHAN);
+				myQuantity.setValue(new BigDecimal(parts.get(0).substring(1)));
+			} else {
+				myQuantity.setValue(new BigDecimal(parts.get(0)));
+			}
+		}
+		if (parts.size() > 1 && StringUtils.isNotBlank(parts.get(1))) {
+			myQuantity.setSystem(parts.get(1));
+		}
+		if (parts.size() > 2 && StringUtils.isNotBlank(parts.get(2))) {
+			myQuantity.setUnits(parts.get(2));
+		}
+
+	}
+
+	public QuantityCompararatorEnum getComparator() {
+		return myQuantity.getComparatorElement().getValueAsEnum();
+	}
+
+	public UriDt getSystem() {
+		return myQuantity.getSystemElement();
+	}
+
+	public String getUnits() {
+		return myQuantity.getUnitsElement().getValue();
+	}
+
+	public DecimalDt getValue() {
+		return myQuantity.getValueElement();
+	}
+
 	public boolean isApproximate() {
 		return myApproximate;
 	}
@@ -253,51 +289,6 @@ public class QuantityParam extends BaseParam implements IQueryParameterType {
 		return this;
 	}
 
-	@Override
-	public void setValueAsQueryToken(String theQualifier, String theValue) {
-		clear();
-
-		super.setValueAsQueryToken(theQualifier, theValue);
-		if (getMissing() != null) {
-			return;
-		}
-
-		if (theValue == null) {
-			return;
-		}
-		List<String> parts = ParameterUtil.splitParameterString(theValue, '|', true);
-
-		if (parts.size() > 0 && StringUtils.isNotBlank(parts.get(0))) {
-			if (parts.get(0).startsWith("~")) {
-				myQuantity.setComparator((QuantityCompararatorEnum) null);
-				myApproximate = true;
-				myQuantity.setValue(new BigDecimal(parts.get(0).substring(1)));
-			} else if (parts.get(0).startsWith("<=")) {
-				myQuantity.setComparator(QuantityCompararatorEnum.LESSTHAN_OR_EQUALS);
-				myQuantity.setValue(new BigDecimal(parts.get(0).substring(2)));
-			} else if (parts.get(0).startsWith("<")) {
-				myQuantity.setComparator(QuantityCompararatorEnum.LESSTHAN);
-				String valStr = parts.get(0).substring(1);
-				myQuantity.setValue(new BigDecimal(valStr));
-			} else if (parts.get(0).startsWith(">=")) {
-				myQuantity.setComparator(QuantityCompararatorEnum.GREATERTHAN_OR_EQUALS);
-				myQuantity.setValue(new BigDecimal(parts.get(0).substring(2)));
-			} else if (parts.get(0).startsWith(">")) {
-				myQuantity.setComparator(QuantityCompararatorEnum.GREATERTHAN);
-				myQuantity.setValue(new BigDecimal(parts.get(0).substring(1)));
-			} else {
-				myQuantity.setValue(new BigDecimal(parts.get(0)));
-			}
-		}
-		if (parts.size() > 1 && StringUtils.isNotBlank(parts.get(1))) {
-			myQuantity.setSystem(parts.get(1));
-		}
-		if (parts.size() > 2 && StringUtils.isNotBlank(parts.get(2))) {
-			myQuantity.setUnits(parts.get(2));
-		}
-
-	}
-
 	@Override
 	public String toString() {
 		ToStringBuilder b = new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE);

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/param/ReferenceParam.java

@@ -32,7 +32,7 @@ import ca.uhn.fhir.model.primitive.IdDt;
 public class ReferenceParam extends IdDt implements IQueryParameterType {
 
 	private String myChain;
-	private BaseParam myBase=new BaseParam();
+	private BaseParam myBase=new BaseParam.ComposableBaseParam();
 
 	public ReferenceParam() {
 	}
@@ -206,4 +206,14 @@ public class ReferenceParam extends IdDt implements IQueryParameterType {
 		return retVal;
 	}
 
+	@Override
+	public Boolean getMissing() {
+		return myBase.getMissing();
+	}
+
+	@Override
+	public void setMissing(Boolean theMissing) {
+		myBase.setMissing(theMissing);
+	}
+
 }

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/param/StringParam.java

@@ -48,23 +48,35 @@ public class StringParam extends BaseParam implements IQueryParameterType {
 	}
 
 	@Override
-	public String getQueryParameterQualifier() {
+	String doGetQueryParameterQualifier() {
-		if (getMissing() != null) {
+		if (isExact()) {
-			return super.getQueryParameterQualifier();
-		}else if (isExact()) {
 			return Constants.PARAMQUALIFIER_STRING_EXACT;
 		} else {
 			return null;
 		}
 	}
 
+	@Override
+	String doGetValueAsQueryToken() {
+		return ParameterUtil.escape(myValue);
+	}
+
+	@Override
+	void doSetValueAsQueryToken(String theQualifier, String theValue) {
+		if (Constants.PARAMQUALIFIER_STRING_EXACT.equals(theQualifier)) {
+			setExact(true);
+		} else {
+			setExact(false);
+		}
+		myValue = ParameterUtil.unescape(theValue);
+	}
+
 	public String getValue() {
 		return myValue;
 	}
 
-	@Override
+	public StringDt getValueAsStringDt() {
-	public String getValueAsQueryToken() {
+		return new StringDt(myValue);
-		return ParameterUtil.escape(myValue);
 	}
 
 	public String getValueNotNull() {
@@ -87,16 +99,6 @@ public class StringParam extends BaseParam implements IQueryParameterType {
 		myValue = theValue;
 	}
 
-	@Override
-	public void setValueAsQueryToken(String theQualifier, String theValue) {
-		if (Constants.PARAMQUALIFIER_STRING_EXACT.equals(theQualifier)) {
-			setExact(true);
-		} else {
-			setExact(false);
-		}
-		myValue = ParameterUtil.unescape(theValue);
-	}
-
 	@Override
 	public String toString() {
 		ToStringBuilder builder = new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE);
@@ -107,8 +109,4 @@ public class StringParam extends BaseParam implements IQueryParameterType {
 		return builder.toString();
 	}
 
-	public StringDt getValueAsStringDt() {
-		return new StringDt(myValue);
-	}
-
 }

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/param/TokenParam.java

@@ -41,21 +41,6 @@ public class TokenParam extends BaseParam implements IQueryParameterType {
 	public TokenParam() {
 	}
 
-	public TokenParam(String theSystem, String theValue) {
-		setSystem(theSystem);
-		setValue(theValue);
-	}
-
-	public TokenParam(String theSystem, String theValue, boolean theText) {
-		if (theText && isNotBlank(theSystem)) {
-			throw new IllegalArgumentException(
-					"theSystem can not be non-blank if theText is true (:text searches do not include a system). In other words, set the first parameter to null for a text search");
-		}
-		setSystem(theSystem);
-		setValue(theValue);
-		setText(theText);
-	}
-
 	/**
 	 * Constructor which copies the {@link InternalCodingDt#getSystemElement() system} and {@link InternalCodingDt#getCodeElement() code} from a {@link InternalCodingDt} instance and adds it as a parameter
 	 * 
@@ -76,21 +61,56 @@ public class TokenParam extends BaseParam implements IQueryParameterType {
 		this(toSystemValue(theIdentifierDt.getSystemElement()), theIdentifierDt.getValueElement().getValue());
 	}
 
-	private static String toSystemValue(UriDt theSystem) {
+	public TokenParam(String theSystem, String theValue) {
-		return theSystem.getValueAsString();
+		setSystem(theSystem);
+		setValue(theValue);
+	}
+
+	public TokenParam(String theSystem, String theValue, boolean theText) {
+		if (theText && isNotBlank(theSystem)) {
+			throw new IllegalArgumentException(
+					"theSystem can not be non-blank if theText is true (:text searches do not include a system). In other words, set the first parameter to null for a text search");
+		}
+		setSystem(theSystem);
+		setValue(theValue);
+		setText(theText);
 	}
 
 	@Override
-	public String getQueryParameterQualifier() {
+	String doGetQueryParameterQualifier() {
-		if (getMissing() != null) {
+		if (isText()) {
-			return super.getQueryParameterQualifier();
-		} else if (isText()) {
 			return Constants.PARAMQUALIFIER_TOKEN_TEXT;
 		} else {
 			return null;
 		}
 	}
 
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	String doGetValueAsQueryToken() {
+		if (getSystem() != null) {
+			return ParameterUtil.escape(StringUtils.defaultString(getSystem())) + '|' + ParameterUtil.escape(getValue());
+		} else {
+			return ParameterUtil.escape(getValue());
+		}
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	void doSetValueAsQueryToken(String theQualifier, String theParameter) {
+		int barIndex = ParameterUtil.nonEscapedIndexOf(theParameter, '|');
+		if (barIndex != -1) {
+			setSystem(theParameter.substring(0, barIndex));
+			setValue(ParameterUtil.unescape(theParameter.substring(barIndex + 1)));
+		} else {
+			setValue(ParameterUtil.unescape(theParameter));
+		}
+	}
+
 	public String getSystem() {
 		return mySystem;
 	}
@@ -99,18 +119,8 @@ public class TokenParam extends BaseParam implements IQueryParameterType {
 		return myValue;
 	}
 
-	/**
+	public InternalCodingDt getValueAsCoding() {
-	 * {@inheritDoc}
+		return new InternalCodingDt(mySystem, myValue);
-	 */
-	@Override
-	public String getValueAsQueryToken() {
-		if (getMissing() != null) {
-			return super.getValueAsQueryToken();
-		} else if (getSystem() != null) {
-			return ParameterUtil.escape(StringUtils.defaultString(getSystem())) + '|' + ParameterUtil.escape(getValue());
-		} else {
-			return ParameterUtil.escape(getValue());
-		}
 	}
 
 	public String getValueNotNull() {
@@ -137,25 +147,6 @@ public class TokenParam extends BaseParam implements IQueryParameterType {
 		myValue = theValue;
 	}
 
-	/**
-	 * {@inheritDoc}
-	 */
-	@Override
-	public void setValueAsQueryToken(String theQualifier, String theParameter) {
-		super.setValueAsQueryToken(theQualifier, theParameter);
-		if (getMissing() != null) {
-			return;
-		}
-		
-		int barIndex = ParameterUtil.nonEscapedIndexOf(theParameter, '|');
-		if (barIndex != -1) {
-			setSystem(theParameter.substring(0, barIndex));
-			setValue(ParameterUtil.unescape(theParameter.substring(barIndex + 1)));
-		} else {
-			setValue(ParameterUtil.unescape(theParameter));
-		}
-	}
-
 	@Override
 	public String toString() {
 		ToStringBuilder builder = new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE);
@@ -170,8 +161,8 @@ public class TokenParam extends BaseParam implements IQueryParameterType {
 		return builder.toString();
 	}
 
-	public InternalCodingDt getValueAsCoding() {
+	private static String toSystemValue(UriDt theSystem) {
-		return new InternalCodingDt(mySystem, myValue);
+		return theSystem.getValueAsString();
 	}
 
 }

hapi-fhir-base/src/main/java/ca/uhn/fhir/rest/param/UriParam.java

@@ -42,21 +42,30 @@ public class UriParam extends BaseParam implements IQueryParameterType {
 	}
 
 	@Override
-	public String getQueryParameterQualifier() {
+	String doGetQueryParameterQualifier() {
-		if (getMissing() != null) {
+		return null;
-			return super.getQueryParameterQualifier();
+	}
-		} else {
+
-			return null;
+	@Override
-		}
+	String doGetValueAsQueryToken() {
+		return ParameterUtil.escape(myValue);
+	}
+
+	@Override
+	void doSetValueAsQueryToken(String theQualifier, String theValue) {
+		myValue = ParameterUtil.unescape(theValue);
 	}
 
 	public String getValue() {
 		return myValue;
 	}
 
-	@Override
+	public StringDt getValueAsStringDt() {
-	public String getValueAsQueryToken() {
+		return new StringDt(myValue);
-		return ParameterUtil.escape(myValue);
+	}
+
+	public UriDt getValueAsUriDt() {
+		return new UriDt(myValue);
 	}
 
 	public String getValueNotNull() {
@@ -71,11 +80,6 @@ public class UriParam extends BaseParam implements IQueryParameterType {
 		myValue = theValue;
 	}
 
-	@Override
-	public void setValueAsQueryToken(String theQualifier, String theValue) {
-		myValue = ParameterUtil.unescape(theValue);
-	}
-
 	@Override
 	public String toString() {
 		ToStringBuilder builder = new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE);
@@ -83,12 +87,4 @@ public class UriParam extends BaseParam implements IQueryParameterType {
 		return builder.toString();
 	}
 
-	public StringDt getValueAsStringDt() {
-		return new StringDt(myValue);
-	}
-
-	public UriDt getValueAsUriDt() {
-		return new UriDt(myValue);
-	}
-
 }

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

@@ -124,6 +124,8 @@ public class Constants {
 	public static final int STATUS_HTTP_501_NOT_IMPLEMENTED = 501;
 	public static final String URL_TOKEN_HISTORY = "_history";
 	public static final String URL_TOKEN_METADATA = "metadata";
+	public static final String PARAMQUALIFIER_MISSING_TRUE = "true";
+	public static final String PARAMQUALIFIER_MISSING_FALSE = "false";
 
 	static {
 		Map<String, EncodingEnum> valToEncoding = new HashMap<String, EncodingEnum>();

hapi-fhir-base/src/main/resources/ca/uhn/fhir/i18n/hapi-messages.properties

@@ -42,4 +42,5 @@ ca.uhn.fhir.jpa.dao.BaseFhirSystemDao.transactionInvalidUrl=Unable to perform {0
 ca.uhn.fhir.jpa.dao.BaseFhirResourceDao.duplicateCreateForcedId=Can not create entity with ID[{0}], a resource with this ID already exists
 ca.uhn.fhir.jpa.dao.BaseFhirResourceDao.failedToCreateWithClientAssignedNumericId=Can not create resource with ID[{0}], no resource with this ID exists and clients may only assign IDs which begin with a non-numeric character on this server 
 ca.uhn.fhir.jpa.dao.BaseFhirResourceDao.failedToCreateWithClientAssignedId=Can not create resource with ID[{0}], ID must not be supplied on a create (POST) operation
+ca.uhn.fhir.jpa.dao.BaseFhirResourceDao.multipleParamsWithSameNameOneIsMissingTrue=This server does not know how to handle multiple "{0}" parameters where one has a value of :missing=true
 ca.uhn.fhir.jpa.dao.BaseFhirResourceDao.unableToDeleteNotFound=Unable to find resource matching URL "{0}". Deletion failed.

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

@@ -425,16 +425,14 @@ public abstract class BaseFhirDao implements IDao {
 
 		// Get list of IDs
 		searchHistoryCurrentVersion(theResourceName, theId, theSince, end.getValue(), limit, tuples);
-		assert tuples.size() < 2 || !tuples.get(tuples.size() - 2).getUpdated().before(tuples.get(tuples.size() - 1).getUpdated());
 		ourLog.info("Retrieved {} history IDs from current versions in {} ms", tuples.size(), timer.getMillisAndRestart());
 
 		searchHistoryHistory(theResourceName, theId, theSince, end.getValue(), limit, tuples);
-		assert tuples.size() < 2 || !tuples.get(tuples.size() - 2).getUpdated().before(tuples.get(tuples.size() - 1).getUpdated());
 		ourLog.info("Retrieved {} history IDs from previous versions in {} ms", tuples.size(), timer.getMillisAndRestart());
 
 		// Sort merged list
 		Collections.sort(tuples, Collections.reverseOrder());
-		assert tuples.size() < 2 || !tuples.get(tuples.size() - 2).getUpdated().before(tuples.get(tuples.size() - 1).getUpdated());
+		assert tuples.size() < 2 || !tuples.get(tuples.size() - 2).getUpdated().before(tuples.get(tuples.size() - 1).getUpdated()) : tuples.toString();
 
 		return new IBundleProvider() {
 

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

@@ -51,6 +51,7 @@ import javax.persistence.criteria.Order;
 import javax.persistence.criteria.Path;
 import javax.persistence.criteria.Predicate;
 import javax.persistence.criteria.Root;
+import javax.persistence.criteria.Subquery;
 
 import org.apache.commons.lang3.NotImplementedException;
 import org.apache.commons.lang3.StringUtils;
@@ -72,6 +73,7 @@ import ca.uhn.fhir.context.RuntimeChildResourceDefinition;
 import ca.uhn.fhir.context.RuntimeResourceDefinition;
 import ca.uhn.fhir.context.RuntimeSearchParam;
 import ca.uhn.fhir.jpa.entity.BaseHasResource;
+import ca.uhn.fhir.jpa.entity.BaseResourceIndexedSearchParam;
 import ca.uhn.fhir.jpa.entity.BaseTag;
 import ca.uhn.fhir.jpa.entity.ResourceHistoryTable;
 import ca.uhn.fhir.jpa.entity.ResourceIndexedSearchParamDate;
@@ -141,6 +143,8 @@ public abstract class BaseFhirResourceDao<T extends IResource> extends BaseFhirD
 	private String mySecondaryPrimaryKeyParamName;
 
 	private Set<Long> addPredicateComposite(RuntimeSearchParam theParamDef, Set<Long> thePids, List<? extends IQueryParameterType> theNextAnd) {
+		// TODO: fail if missing is set for a composite query
+
 		CriteriaBuilder builder = myEntityManager.getCriteriaBuilder();
 		CriteriaQuery<Long> cq = builder.createQuery(Long.class);
 		Root<ResourceTable> from = cq.from(ResourceTable.class);
@@ -178,6 +182,10 @@ public abstract class BaseFhirResourceDao<T extends IResource> extends BaseFhirD
 			return thePids;
 		}
 
+		if (Boolean.TRUE.equals(theList.get(0).getMissing())) {
+			return addPredicateParamMissing(thePids, "myParamsDate", theParamName, ResourceIndexedSearchParamDate.class);
+		}
+
 		CriteriaBuilder builder = myEntityManager.getCriteriaBuilder();
 		CriteriaQuery<Long> cq = builder.createQuery(Long.class);
 		Root<ResourceIndexedSearchParamDate> from = cq.from(ResourceIndexedSearchParamDate.class);
@@ -185,6 +193,10 @@ public abstract class BaseFhirResourceDao<T extends IResource> extends BaseFhirD
 
 		List<Predicate> codePredicates = new ArrayList<Predicate>();
 		for (IQueryParameterType nextOr : theList) {
+			if (addPredicateMissingFalseIfPresent(builder, theParamName, from, codePredicates, nextOr)) {
+				continue;
+			}
+
 			IQueryParameterType params = nextOr;
 			Predicate p = createPredicateDate(builder, from, params);
 			codePredicates.add(p);
@@ -205,50 +217,6 @@ public abstract class BaseFhirResourceDao<T extends IResource> extends BaseFhirD
 		return new HashSet<Long>(q.getResultList());
 	}
 
-	private Predicate addPredicateDateFromRange(CriteriaBuilder theBuilder, From<ResourceIndexedSearchParamDate, ResourceIndexedSearchParamDate> theFrom, DateRangeParam theRange) {
-		Date lowerBound = theRange.getLowerBoundAsInstant();
-		Date upperBound = theRange.getUpperBoundAsInstant();
-
-		Predicate lb = null;
-		if (lowerBound != null) {
-			Predicate gt = theBuilder.greaterThanOrEqualTo(theFrom.<Date> get("myValueLow"), lowerBound);
-			Predicate lt = theBuilder.greaterThanOrEqualTo(theFrom.<Date> get("myValueHigh"), lowerBound);
-			lb = theBuilder.or(gt, lt);
-
-			// Predicate gin = builder.isNull(from.get("myValueLow"));
-			// Predicate lbo = builder.or(gt, gin);
-			// Predicate lin = builder.isNull(from.get("myValueHigh"));
-			// Predicate hbo = builder.or(lt, lin);
-			// lb = builder.and(lbo, hbo);
-		}
-
-		Predicate ub = null;
-		if (upperBound != null) {
-			Predicate gt = theBuilder.lessThanOrEqualTo(theFrom.<Date> get("myValueLow"), upperBound);
-			Predicate lt = theBuilder.lessThanOrEqualTo(theFrom.<Date> get("myValueHigh"), upperBound);
-			ub = theBuilder.or(gt, lt);
-
-			// Predicate gin = builder.isNull(from.get("myValueLow"));
-			// Predicate lbo = builder.or(gt, gin);
-			// Predicate lin = builder.isNull(from.get("myValueHigh"));
-			// Predicate ubo = builder.or(lt, lin);
-			// ub = builder.and(ubo, lbo);
-
-		}
-
-		if (lb != null && ub != null) {
-			return (theBuilder.and(lb, ub));
-		} else if (lb != null) {
-			return (lb);
-		} else {
-			return (ub);
-		}
-	}
-
-	// private Set<Long> addPredicateComposite(String theParamName, Set<Long> thePids, List<? extends
-	// IQueryParameterType> theList) {
-	// }
-
 	private Set<Long> addPredicateId(Set<Long> theExistingPids, Set<Long> thePids) {
 		if (thePids == null || thePids.isEmpty()) {
 			return Collections.emptySet();
@@ -273,6 +241,10 @@ public abstract class BaseFhirResourceDao<T extends IResource> extends BaseFhirD
 		return found;
 	}
 
+	// private Set<Long> addPredicateComposite(String theParamName, Set<Long> thePids, List<? extends
+	// IQueryParameterType> theList) {
+	// }
+
 	private Set<Long> addPredicateLanguage(Set<Long> thePids, List<List<? extends IQueryParameterType>> theList) {
 		if (theList == null || theList.isEmpty()) {
 			return thePids;
@@ -323,6 +295,10 @@ public abstract class BaseFhirResourceDao<T extends IResource> extends BaseFhirD
 			return thePids;
 		}
 
+		if (Boolean.TRUE.equals(theList.get(0).getMissing())) {
+			return addPredicateParamMissing(thePids, "myParamsNumber", theParamName, ResourceIndexedSearchParamNumber.class);
+		}
+
 		CriteriaBuilder builder = myEntityManager.getCriteriaBuilder();
 		CriteriaQuery<Long> cq = builder.createQuery(Long.class);
 		Root<ResourceIndexedSearchParamNumber> from = cq.from(ResourceIndexedSearchParamNumber.class);
@@ -332,6 +308,10 @@ public abstract class BaseFhirResourceDao<T extends IResource> extends BaseFhirD
 		for (IQueryParameterType nextOr : theList) {
 			IQueryParameterType params = nextOr;
 
+			if (addPredicateMissingFalseIfPresent(builder, theParamName, from, codePredicates, nextOr)) {
+				continue;
+			}
+			
 			if (params instanceof NumberParam) {
 				NumberParam param = (NumberParam) params;
 
@@ -385,11 +365,69 @@ public abstract class BaseFhirResourceDao<T extends IResource> extends BaseFhirD
 		return new HashSet<Long>(q.getResultList());
 	}
 
+	private Set<Long> addPredicateParamMissing(Set<Long> thePids, String joinName, String theParamName, Class<? extends BaseResourceIndexedSearchParam> theParamTable) {
+		CriteriaBuilder builder = myEntityManager.getCriteriaBuilder();
+		CriteriaQuery<Long> cq = builder.createQuery(Long.class);
+		Root<ResourceTable> from = cq.from(ResourceTable.class);
+		cq.select(from.get("myId").as(Long.class));
+		
+		Subquery<Long> subQ = cq.subquery(Long.class);
+		Root<? extends BaseResourceIndexedSearchParam> subQfrom = subQ.from(theParamTable); 
+		subQ.select(subQfrom.get("myResourcePid").as(Long.class));
+		subQ.where(builder.equal(subQfrom.get("myParamName"), theParamName));
+		
+		Predicate joinPredicate = builder.not(builder.in(from.get("myId")).value(subQ));
+		
+		if (thePids.size() > 0) {
+			Predicate inPids = (from.get("myId").in(thePids));
+			cq.where(builder.and(inPids, joinPredicate));
+		} else {
+			cq.where(joinPredicate);
+		}
+		
+		TypedQuery<Long> q = myEntityManager.createQuery(cq);
+		List<Long> resultList = q.getResultList();
+		HashSet<Long> retVal = new HashSet<Long>(resultList);
+		return retVal;
+	}
+
+	private Set<Long> addPredicateParamMissingResourceLink(Set<Long> thePids, String joinName, String theParamName) {
+		CriteriaBuilder builder = myEntityManager.getCriteriaBuilder();
+		CriteriaQuery<Long> cq = builder.createQuery(Long.class);
+		Root<ResourceTable> from = cq.from(ResourceTable.class);
+		cq.select(from.get("myId").as(Long.class));
+		
+		Subquery<Long> subQ = cq.subquery(Long.class);
+		Root<ResourceLink> subQfrom = subQ.from(ResourceLink.class); 
+		subQ.select(subQfrom.get("mySourceResourcePid").as(Long.class));
+		
+//		subQ.where(builder.equal(subQfrom.get("myParamName"), theParamName));
+		subQ.where(createResourceLinkPathPredicate(theParamName, builder, subQfrom));
+		
+		Predicate joinPredicate = builder.not(builder.in(from.get("myId")).value(subQ));
+		
+		if (thePids.size() > 0) {
+			Predicate inPids = (from.get("myId").in(thePids));
+			cq.where(builder.and(inPids, joinPredicate));
+		} else {
+			cq.where(joinPredicate);
+		}
+		
+		TypedQuery<Long> q = myEntityManager.createQuery(cq);
+		List<Long> resultList = q.getResultList();
+		HashSet<Long> retVal = new HashSet<Long>(resultList);
+		return retVal;
+	}
+
 	private Set<Long> addPredicateQuantity(String theParamName, Set<Long> thePids, List<? extends IQueryParameterType> theList) {
 		if (theList == null || theList.isEmpty()) {
 			return thePids;
 		}
 		
+		if (Boolean.TRUE.equals(theList.get(0).getMissing())) {
+			return addPredicateParamMissing(thePids, "myParamsQuantity", theParamName, ResourceIndexedSearchParamQuantity.class);
+		}
+
 		CriteriaBuilder builder = myEntityManager.getCriteriaBuilder();
 		CriteriaQuery<Long> cq = builder.createQuery(Long.class);
 		Root<ResourceIndexedSearchParamQuantity> from = cq.from(ResourceIndexedSearchParamQuantity.class);
@@ -399,6 +437,10 @@ public abstract class BaseFhirResourceDao<T extends IResource> extends BaseFhirD
 		for (IQueryParameterType nextOr : theList) {
 			IQueryParameterType params = nextOr;
 
+			if (addPredicateMissingFalseIfPresent(builder, theParamName, from, codePredicates, nextOr)) {
+				continue;
+			}
+			
 			String systemValue;
 			String unitsValue;
 			QuantityCompararatorEnum cmpValue;
@@ -500,6 +542,10 @@ public abstract class BaseFhirResourceDao<T extends IResource> extends BaseFhirD
 			return pidsToRetain;
 		}
 
+		if (Boolean.TRUE.equals(theList.get(0).getMissing())) {
+			return addPredicateParamMissingResourceLink(thePids, "myResourceLinks", theParamName);
+		}
+
 		CriteriaBuilder builder = myEntityManager.getCriteriaBuilder();
 		CriteriaQuery<Long> cq = builder.createQuery(Long.class);
 		Root<ResourceLink> from = cq.from(ResourceLink.class);
@@ -510,6 +556,10 @@ public abstract class BaseFhirResourceDao<T extends IResource> extends BaseFhirD
 		for (IQueryParameterType nextOr : theList) {
 			IQueryParameterType params = nextOr;
 
+			if (addPredicateMissingFalseIfPresentForResourceLink(builder, theParamName, from, codePredicates, nextOr)) {
+				continue;
+			}
+			
 			if (params instanceof ReferenceParam) {
 				ReferenceParam ref = (ReferenceParam) params;
 
@@ -574,10 +624,7 @@ public abstract class BaseFhirResourceDao<T extends IResource> extends BaseFhirD
 
 		Predicate masterCodePredicate = builder.or(codePredicates.toArray(new Predicate[0]));
 
-		RuntimeSearchParam param = getContext().getResourceDefinition(getResourceType()).getSearchParam(theParamName);
+		Predicate type = createResourceLinkPathPredicate(theParamName, builder, from);
-		String path = param.getPath();
-
-		Predicate type = builder.equal(from.get("mySourcePath"), path);
 		if (pidsToRetain.size() > 0) {
 			Predicate inPids = (from.get("mySourceResourcePid").in(pidsToRetain));
 			cq.where(builder.and(type, masterCodePredicate, inPids));
@@ -589,11 +636,23 @@ public abstract class BaseFhirResourceDao<T extends IResource> extends BaseFhirD
 		return new HashSet<Long>(q.getResultList());
 	}
 
+	private Predicate createResourceLinkPathPredicate(String theParamName, CriteriaBuilder builder, Root<? extends ResourceLink> from) {
+		RuntimeSearchParam param = getContext().getResourceDefinition(getResourceType()).getSearchParam(theParamName);
+		String path = param.getPath();
+
+		Predicate type = builder.equal(from.get("mySourcePath"), path);
+		return type;
+	}
+
 	private Set<Long> addPredicateString(String theParamName, Set<Long> thePids, List<? extends IQueryParameterType> theList) {
 		if (theList == null || theList.isEmpty()) {
 			return thePids;
 		}
 
+		if (Boolean.TRUE.equals(theList.get(0).getMissing())) {
+			return addPredicateParamMissing(thePids, "myParamsString", theParamName, ResourceIndexedSearchParamString.class);
+		}
+
 		CriteriaBuilder builder = myEntityManager.getCriteriaBuilder();
 		CriteriaQuery<Long> cq = builder.createQuery(Long.class);
 		Root<ResourceIndexedSearchParamString> from = cq.from(ResourceIndexedSearchParamString.class);
@@ -602,6 +661,9 @@ public abstract class BaseFhirResourceDao<T extends IResource> extends BaseFhirD
 		List<Predicate> codePredicates = new ArrayList<Predicate>();
 		for (IQueryParameterType nextOr : theList) {
 			IQueryParameterType theParameter = nextOr;
+			if (addPredicateMissingFalseIfPresent(builder, theParamName, from, codePredicates, nextOr)) {
+				continue;
+			}
 			
 			Predicate singleCode = createPredicateString(theParameter, theParamName, builder, from);
 			codePredicates.add(singleCode);
@@ -622,11 +684,43 @@ public abstract class BaseFhirResourceDao<T extends IResource> extends BaseFhirD
 		return new HashSet<Long>(q.getResultList());
 	}
 
+	private boolean addPredicateMissingFalseIfPresent(CriteriaBuilder theBuilder, String theParamName, Root<? extends BaseResourceIndexedSearchParam> from, List<Predicate> codePredicates, IQueryParameterType nextOr) {
+		boolean missingFalse = false;
+		if (nextOr.getMissing() != null) {
+			if (nextOr.getMissing().booleanValue() == true) {
+				throw new InvalidRequestException(getContext().getLocalizer().getMessage(BaseFhirResourceDao.class, "multipleParamsWithSameNameOneIsMissingTrue", theParamName));
+			}
+			Predicate singleCode = from.get("myId").isNotNull();
+			Predicate name = theBuilder.equal(from.get("myParamName"), theParamName);
+			codePredicates.add(theBuilder.and(name, singleCode));
+			missingFalse = true;
+		}
+		return missingFalse;
+	}
+
+	private boolean addPredicateMissingFalseIfPresentForResourceLink(CriteriaBuilder theBuilder, String theParamName, Root<? extends ResourceLink> from, List<Predicate> codePredicates, IQueryParameterType nextOr) {
+		boolean missingFalse = false;
+		if (nextOr.getMissing() != null) {
+			if (nextOr.getMissing().booleanValue() == true) {
+				throw new InvalidRequestException(getContext().getLocalizer().getMessage(BaseFhirResourceDao.class, "multipleParamsWithSameNameOneIsMissingTrue", theParamName));
+			}
+			Predicate singleCode = from.get("mySourceResource").isNotNull();
+			Predicate name = createResourceLinkPathPredicate(theParamName, theBuilder, from);
+			codePredicates.add(theBuilder.and(name, singleCode));
+			missingFalse = true;
+		}
+		return missingFalse;
+	}
+
 	private Set<Long> addPredicateToken(String theParamName, Set<Long> thePids, List<? extends IQueryParameterType> theList) {
 		if (theList == null || theList.isEmpty()) {
 			return thePids;
 		}
 
+		if (Boolean.TRUE.equals(theList.get(0).getMissing())) {
+			return addPredicateParamMissing(thePids, "myParamsToken", theParamName, ResourceIndexedSearchParamToken.class);
+		}
+
 		CriteriaBuilder builder = myEntityManager.getCriteriaBuilder();
 		CriteriaQuery<Long> cq = builder.createQuery(Long.class);
 		Root<ResourceIndexedSearchParamToken> from = cq.from(ResourceIndexedSearchParamToken.class);
@@ -634,6 +728,10 @@ public abstract class BaseFhirResourceDao<T extends IResource> extends BaseFhirD
 
 		List<Predicate> codePredicates = new ArrayList<Predicate>();
 		for (IQueryParameterType nextOr : theList) {
+			if (addPredicateMissingFalseIfPresent(builder, theParamName, from, codePredicates, nextOr)) {
+				continue;
+			}
+			
 			if (nextOr instanceof TokenParam) {
 				TokenParam id = (TokenParam) nextOr;
 				if (id.isText()) {
@@ -759,20 +857,60 @@ public abstract class BaseFhirResourceDao<T extends IResource> extends BaseFhirD
 			DateParam date = (DateParam) theParam;
 			if (!date.isEmpty()) {
 				DateRangeParam range = new DateRangeParam(date);
-				p = addPredicateDateFromRange(theBuilder, theFrom, range);
+				p = createPredicateDateFromRange(theBuilder, theFrom, range);
 			} else {
 				// TODO: handle missing date param?
 				p = null;
 			}
 		} else if (theParam instanceof DateRangeParam) {
 			DateRangeParam range = (DateRangeParam) theParam;
-			p = addPredicateDateFromRange(theBuilder, theFrom, range);
+			p = createPredicateDateFromRange(theBuilder, theFrom, range);
 		} else {
 			throw new IllegalArgumentException("Invalid token type: " + theParam.getClass());
 		}
 		return p;
 	}
 
+	private Predicate createPredicateDateFromRange(CriteriaBuilder theBuilder, From<ResourceIndexedSearchParamDate, ResourceIndexedSearchParamDate> theFrom, DateRangeParam theRange) {
+		Date lowerBound = theRange.getLowerBoundAsInstant();
+		Date upperBound = theRange.getUpperBoundAsInstant();
+
+		Predicate lb = null;
+		if (lowerBound != null) {
+			Predicate gt = theBuilder.greaterThanOrEqualTo(theFrom.<Date> get("myValueLow"), lowerBound);
+			Predicate lt = theBuilder.greaterThanOrEqualTo(theFrom.<Date> get("myValueHigh"), lowerBound);
+			lb = theBuilder.or(gt, lt);
+
+			// Predicate gin = builder.isNull(from.get("myValueLow"));
+			// Predicate lbo = builder.or(gt, gin);
+			// Predicate lin = builder.isNull(from.get("myValueHigh"));
+			// Predicate hbo = builder.or(lt, lin);
+			// lb = builder.and(lbo, hbo);
+		}
+
+		Predicate ub = null;
+		if (upperBound != null) {
+			Predicate gt = theBuilder.lessThanOrEqualTo(theFrom.<Date> get("myValueLow"), upperBound);
+			Predicate lt = theBuilder.lessThanOrEqualTo(theFrom.<Date> get("myValueHigh"), upperBound);
+			ub = theBuilder.or(gt, lt);
+
+			// Predicate gin = builder.isNull(from.get("myValueLow"));
+			// Predicate lbo = builder.or(gt, gin);
+			// Predicate lin = builder.isNull(from.get("myValueHigh"));
+			// Predicate ubo = builder.or(lt, lin);
+			// ub = builder.and(ubo, lbo);
+
+		}
+
+		if (lb != null && ub != null) {
+			return (theBuilder.and(lb, ub));
+		} else if (lb != null) {
+			return (lb);
+		} else {
+			return (ub);
+		}
+	}
+
 	private Predicate createPredicateString(IQueryParameterType theParameter, String theParamName, CriteriaBuilder theBuilder,
 			From<ResourceIndexedSearchParamString, ResourceIndexedSearchParamString> theFrom) {
 		String rawSearchTerm;
@@ -1532,9 +1670,8 @@ public abstract class BaseFhirResourceDao<T extends IResource> extends BaseFhirD
 						loadResourcesByPid(pidsSubList, retVal, BundleEntrySearchModeEnum.MATCH);
 
 						/*
-						 * Load _include resources - Note that _revincludes are handled differently
+						 * Load _include resources - Note that _revincludes are handled differently than _include ones, as they are counted towards the total count and paged, so they are loaded
-						 * than _include ones, as they are counted towards the total count and paged,
+						 * outside the bundle provider
-						 * so they are loaded outside the bundle provider
 						 */
 						if (theParams.getIncludes() != null && theParams.getIncludes().isEmpty() == false) {
 							Set<IIdType> previouslyLoadedPids = new HashSet<IIdType>();

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

@@ -22,6 +22,9 @@ package ca.uhn.fhir.jpa.dao;
 
 import java.util.Date;
 
+import org.apache.commons.lang3.builder.ToStringBuilder;
+import org.apache.commons.lang3.builder.ToStringStyle;
+
 class HistoryTuple implements Comparable<HistoryTuple> {
 
 	private Long myId;
@@ -64,4 +67,13 @@ class HistoryTuple implements Comparable<HistoryTuple> {
 		myUpdated = theUpdated;
 	}
 
+	@Override
+	public String toString() {
+		ToStringBuilder b = new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE);
+		b.append("id", myId);
+		b.append("history", myIsHistory);
+		b.append("updated", myUpdated);
+		return b.build();
+	}
+
 }

hapi-fhir-jpaserver-base/src/test/java/ca/uhn/fhir/jpa/dao/FhirResourceDaoDstu2Test.java

@@ -2,6 +2,7 @@ package ca.uhn.fhir.jpa.dao;
 
 import static org.hamcrest.Matchers.contains;
 import static org.hamcrest.Matchers.containsInAnyOrder;
+import static org.hamcrest.Matchers.containsInRelativeOrder;
 import static org.hamcrest.Matchers.containsString;
 import static org.hamcrest.Matchers.endsWith;
 import static org.hamcrest.Matchers.greaterThan;
@@ -868,16 +869,16 @@ public class FhirResourceDaoDstu2Test {
 	public void testReverseIncludes() {
 		String methodName = "testReverseIncludes";
 		Organization org = new Organization();
-		org.setName("X"+methodName+"X");
+		org.setName("X" + methodName + "X");
 		IdDt orgId = ourOrganizationDao.create(org).getId();
 
 		Patient pat = new Patient();
-		pat.addName().addFamily("X"+methodName+"X");
+		pat.addName().addFamily("X" + methodName + "X");
 		pat.getManagingOrganization().setReference(orgId.toUnqualifiedVersionless());
 		ourPatientDao.create(pat);
 
 		SearchParameterMap map = new SearchParameterMap();
-		map.add(Organization.SP_NAME, new StringParam("X"+methodName+"X"));
+		map.add(Organization.SP_NAME, new StringParam("X" + methodName + "X"));
 		map.setRevIncludes(Collections.singleton(Patient.INCLUDE_ORGANIZATION));
 		IBundleProvider resultsP = ourOrganizationDao.search(map);
 		assertEquals(2, resultsP.size());
@@ -1523,6 +1524,195 @@ public class FhirResourceDaoDstu2Test {
 
 	}
 
+	@Test
+	public void testSearchWithMissingString() {
+		IdDt orgId = ourOrganizationDao.create(new Organization()).getId();
+		IdDt notMissing;
+		IdDt missing;
+		{
+			Patient patient = new Patient();
+			patient.addIdentifier().setSystem("urn:system").setValue("001");
+			missing = ourPatientDao.create(patient).getId().toUnqualifiedVersionless();
+		}
+		{
+			Patient patient = new Patient();
+			patient.addIdentifier().setSystem("urn:system").setValue("002");
+			patient.addName().addFamily("Tester_testSearchStringParam").addGiven("John");
+			patient.setBirthDate(new DateDt("2011-01-01"));
+			patient.getManagingOrganization().setReference(orgId);
+			notMissing = ourPatientDao.create(patient).getId().toUnqualifiedVersionless();
+		}
+		// String Param
+		{
+			HashMap<String, IQueryParameterType> params = new HashMap<String, IQueryParameterType>();
+			StringParam param = new StringParam();
+			param.setMissing(false);
+			params.put(Patient.SP_FAMILY, param);
+			List<IdDt> patients = toUnqualifiedVersionlessIds(ourPatientDao.search(params));
+			assertThat(patients, not(containsInRelativeOrder(missing)));
+			assertThat(patients, containsInRelativeOrder(notMissing));
+		}
+		{
+			Map<String, IQueryParameterType> params = new HashMap<String, IQueryParameterType>();
+			StringParam param = new StringParam();
+			param.setMissing(true);
+			params.put(Patient.SP_FAMILY, param);
+			List<IdDt> patients = toUnqualifiedVersionlessIds(ourPatientDao.search(params));
+			assertThat(patients, containsInRelativeOrder(missing));
+			assertThat(patients, not(containsInRelativeOrder(notMissing)));
+		}
+	}
+
+	@Test
+	public void testSearchWithMissingQuantity() {
+		IdDt notMissing;
+		IdDt missing;
+		{
+			Observation obs = new Observation();
+			obs.addIdentifier().setSystem("urn:system").setValue("001");
+			missing = ourObservationDao.create(obs).getId().toUnqualifiedVersionless();
+		}
+		{
+			Observation obs = new Observation();
+			obs.addIdentifier().setSystem("urn:system").setValue("002");
+			obs.setValue(new QuantityDt(123));
+			notMissing = ourObservationDao.create(obs).getId().toUnqualifiedVersionless();
+		}
+		// Quantity Param
+		{
+			HashMap<String, IQueryParameterType> params = new HashMap<String, IQueryParameterType>();
+			QuantityParam param = new QuantityParam();
+			param.setMissing(false);
+			params.put(Observation.SP_VALUE_QUANTITY, param);
+			List<IdDt> patients = toUnqualifiedVersionlessIds(ourObservationDao.search(params));
+			assertThat(patients, not(containsInRelativeOrder(missing)));
+			assertThat(patients, containsInRelativeOrder(notMissing));
+		}
+		{
+			Map<String, IQueryParameterType> params = new HashMap<String, IQueryParameterType>();
+			QuantityParam param = new QuantityParam();
+			param.setMissing(true);
+			params.put(Observation.SP_VALUE_QUANTITY, param);
+			List<IdDt> patients = toUnqualifiedVersionlessIds(ourObservationDao.search(params));
+			assertThat(patients, containsInRelativeOrder(missing));
+			assertThat(patients, not(containsInRelativeOrder(notMissing)));
+		}
+	}
+
+	@Test
+	public void testSearchWithToken() {
+		IdDt notMissing;
+		IdDt missing;
+		{
+			Observation obs = new Observation();
+			obs.addIdentifier().setSystem("urn:system").setValue("001");
+			missing = ourObservationDao.create(obs).getId().toUnqualifiedVersionless();
+		}
+		{
+			Observation obs = new Observation();
+			obs.addIdentifier().setSystem("urn:system").setValue("002");
+			obs.getCode().addCoding().setSystem("urn:system").setCode("002");
+			notMissing = ourObservationDao.create(obs).getId().toUnqualifiedVersionless();
+		}
+		// Token Param
+		{
+			HashMap<String, IQueryParameterType> params = new HashMap<String, IQueryParameterType>();
+			TokenParam param = new TokenParam();
+			param.setMissing(false);
+			params.put(Observation.SP_CODE, param);
+			List<IdDt> patients = toUnqualifiedVersionlessIds(ourObservationDao.search(params));
+			assertThat(patients, not(containsInRelativeOrder(missing)));
+			assertThat(patients, containsInRelativeOrder(notMissing));
+		}
+		{
+			Map<String, IQueryParameterType> params = new HashMap<String, IQueryParameterType>();
+			TokenParam param = new TokenParam();
+			param.setMissing(true);
+			params.put(Observation.SP_CODE, param);
+			List<IdDt> patients = toUnqualifiedVersionlessIds(ourObservationDao.search(params));
+			assertThat(patients, containsInRelativeOrder(missing));
+			assertThat(patients, not(containsInRelativeOrder(notMissing)));
+		}
+	}
+
+	@Test
+	public void testSearchWithMissingDate() {
+		IdDt orgId = ourOrganizationDao.create(new Organization()).getId();
+		IdDt notMissing;
+		IdDt missing;
+		{
+			Patient patient = new Patient();
+			patient.addIdentifier().setSystem("urn:system").setValue("001");
+			missing = ourPatientDao.create(patient).getId().toUnqualifiedVersionless();
+		}
+		{
+			Patient patient = new Patient();
+			patient.addIdentifier().setSystem("urn:system").setValue("002");
+			patient.addName().addFamily("Tester_testSearchStringParam").addGiven("John");
+			patient.setBirthDate(new DateDt("2011-01-01"));
+			patient.getManagingOrganization().setReference(orgId);
+			notMissing = ourPatientDao.create(patient).getId().toUnqualifiedVersionless();
+		}
+		// Date Param
+		{
+			HashMap<String, IQueryParameterType> params = new HashMap<String, IQueryParameterType>();
+			DateParam param = new DateParam();
+			param.setMissing(false);
+			params.put(Patient.SP_BIRTHDATE, param);
+			List<IdDt> patients = toUnqualifiedVersionlessIds(ourPatientDao.search(params));
+			assertThat(patients, not(containsInRelativeOrder(missing)));
+			assertThat(patients, containsInRelativeOrder(notMissing));
+		}
+		{
+			Map<String, IQueryParameterType> params = new HashMap<String, IQueryParameterType>();
+			DateParam param = new DateParam();
+			param.setMissing(true);
+			params.put(Patient.SP_BIRTHDATE, param);
+			List<IdDt> patients = toUnqualifiedVersionlessIds(ourPatientDao.search(params));
+			assertThat(patients, containsInRelativeOrder(missing));
+			assertThat(patients, not(containsInRelativeOrder(notMissing)));
+		}
+	}
+
+	@Test
+	public void testSearchWithMissingReference() {
+		IdDt orgId = ourOrganizationDao.create(new Organization()).getId();
+		IdDt notMissing;
+		IdDt missing;
+		{
+			Patient patient = new Patient();
+			patient.addIdentifier().setSystem("urn:system").setValue("001");
+			missing = ourPatientDao.create(patient).getId().toUnqualifiedVersionless();
+		}
+		{
+			Patient patient = new Patient();
+			patient.addIdentifier().setSystem("urn:system").setValue("002");
+			patient.addName().addFamily("Tester_testSearchStringParam").addGiven("John");
+			patient.setBirthDate(new DateDt("2011-01-01"));
+			patient.getManagingOrganization().setReference(orgId);
+			notMissing = ourPatientDao.create(patient).getId().toUnqualifiedVersionless();
+		}
+		// Reference Param
+		{
+			HashMap<String, IQueryParameterType> params = new HashMap<String, IQueryParameterType>();
+			ReferenceParam param = new ReferenceParam();
+			param.setMissing(false);
+			params.put(Patient.SP_ORGANIZATION, param);
+			List<IdDt> patients = toUnqualifiedVersionlessIds(ourPatientDao.search(params));
+			assertThat(patients, not(containsInRelativeOrder(missing)));
+			assertThat(patients, containsInRelativeOrder(notMissing));
+		}
+		{
+			Map<String, IQueryParameterType> params = new HashMap<String, IQueryParameterType>();
+			ReferenceParam param = new ReferenceParam();
+			param.setMissing(true);
+			params.put(Patient.SP_ORGANIZATION, param);
+			List<IdDt> patients = toUnqualifiedVersionlessIds(ourPatientDao.search(params));
+			assertThat(patients, containsInRelativeOrder(missing));
+			assertThat(patients, not(containsInRelativeOrder(notMissing)));
+		}
+	}
+
 	@Test
 	public void testSearchStringParamWithNonNormalized() {
 		{
@@ -2234,36 +2424,36 @@ public class FhirResourceDaoDstu2Test {
 	@Test
 	public void testUpdateMaintainsSearchParams() throws InterruptedException {
 		Patient p1 = new Patient();
-		p1.addIdentifier().setSystem("urn:system").setValue("testUpdateMaintainsSearchParamsAAA");
+		p1.addIdentifier().setSystem("urn:system").setValue("testUpdateMaintainsSearchParamsDstu2AAA");
-		p1.addName().addFamily("Tester").addGiven("testUpdateMaintainsSearchParamsAAA");
+		p1.addName().addFamily("Tester").addGiven("testUpdateMaintainsSearchParamsDstu2AAA");
 		IdDt p1id = ourPatientDao.create(p1).getId();
 
 		Patient p2 = new Patient();
-		p2.addIdentifier().setSystem("urn:system").setValue("testUpdateMaintainsSearchParamsBBB");
+		p2.addIdentifier().setSystem("urn:system").setValue("testUpdateMaintainsSearchParamsDstu2BBB");
-		p2.addName().addFamily("Tester").addGiven("testUpdateMaintainsSearchParamsBBB");
+		p2.addName().addFamily("Tester").addGiven("testUpdateMaintainsSearchParamsDstu2BBB");
 		ourPatientDao.create(p2).getId();
 
-		Set<Long> ids = ourPatientDao.searchForIds(Patient.SP_GIVEN, new StringDt("testUpdateMaintainsSearchParamsAAA"));
+		Set<Long> ids = ourPatientDao.searchForIds(Patient.SP_GIVEN, new StringDt("testUpdateMaintainsSearchParamsDstu2AAA"));
 		assertEquals(1, ids.size());
 		assertThat(ids, contains(p1id.getIdPartAsLong()));
 
 		// Update the name
-		p1.getNameFirstRep().getGivenFirstRep().setValue("testUpdateMaintainsSearchParamsBBB");
+		p1.getNameFirstRep().getGivenFirstRep().setValue("testUpdateMaintainsSearchParamsDstu2BBB");
 		MethodOutcome update2 = ourPatientDao.update(p1);
 		IdDt p1id2 = update2.getId();
 
-		ids = ourPatientDao.searchForIds(Patient.SP_GIVEN, new StringDt("testUpdateMaintainsSearchParamsAAA"));
+		ids = ourPatientDao.searchForIds(Patient.SP_GIVEN, new StringDt("testUpdateMaintainsSearchParamsDstu2AAA"));
 		assertEquals(0, ids.size());
 
-		ids = ourPatientDao.searchForIds(Patient.SP_GIVEN, new StringDt("testUpdateMaintainsSearchParamsBBB"));
+		ids = ourPatientDao.searchForIds(Patient.SP_GIVEN, new StringDt("testUpdateMaintainsSearchParamsDstu2BBB"));
 		assertEquals(2, ids.size());
 
 		// Make sure vreads work
 		p1 = ourPatientDao.read(p1id);
-		assertEquals("testUpdateMaintainsSearchParamsAAA", p1.getNameFirstRep().getGivenAsSingleString());
+		assertEquals("testUpdateMaintainsSearchParamsDstu2AAA", p1.getNameFirstRep().getGivenAsSingleString());
 
 		p1 = ourPatientDao.read(p1id2);
-		assertEquals("testUpdateMaintainsSearchParamsBBB", p1.getNameFirstRep().getGivenAsSingleString());
+		assertEquals("testUpdateMaintainsSearchParamsDstu2BBB", p1.getNameFirstRep().getGivenAsSingleString());
 
 	}
 
@@ -2344,14 +2534,12 @@ public class FhirResourceDaoDstu2Test {
 		FhirSystemDaoDstu2Test.doDeleteEverything(ourSystemDao);
 	}
 
-	
 	@Test
 	public void testSearchWithNoResults() {
 		Device dev = new Device();
 		dev.addIdentifier().setSystem("Foo");
 		ourDeviceDao.create(dev);
 
-		
 		IBundleProvider value = ourDeviceDao.search(new SearchParameterMap());
 		ourLog.info("Initial size: " + value.size());
 		for (IBaseResource next : value.getResources(0, value.size())) {

hapi-fhir-jpaserver-base/src/test/java/ca/uhn/fhir/jpa/provider/ResourceProviderDstu2Test.java

@@ -37,6 +37,7 @@ import ca.uhn.fhir.jpa.dao.DaoConfig;
 import ca.uhn.fhir.jpa.dao.IFhirResourceDao;
 import ca.uhn.fhir.jpa.testutil.RandomServerPortProvider;
 import ca.uhn.fhir.model.api.Bundle;
+import ca.uhn.fhir.model.api.BundleEntry;
 import ca.uhn.fhir.model.api.IResource;
 import ca.uhn.fhir.model.api.ResourceMetadataKeyEnum;
 import ca.uhn.fhir.model.dstu.resource.Device;
@@ -313,6 +314,59 @@ public class ResourceProviderDstu2Test {
 		assertEquals(BundleEntrySearchModeEnum.INCLUDE, found.getEntries().get(1).getResource().getResourceMetadata().get(ResourceMetadataKeyEnum.ENTRY_SEARCH_MODE));
 	}
 
+	@Test
+	public void testSearchWithMissing() throws Exception {
+		String methodName = "testSearchWithMissing";
+
+		Organization org = new Organization();
+		org.addIdentifier().setSystem("urn:system:rpdstu2").setValue(methodName + "01");
+		org.setName(methodName + "name");
+		IdDt orgNotMissing = ourClient.create().resource(org).prettyPrint().encodedXml().execute().getId().toUnqualifiedVersionless();
+
+		org = new Organization();
+		org.addIdentifier().setSystem("urn:system:rpdstu2").setValue(methodName + "01");
+		IdDt orgMissing = ourClient.create().resource(org).prettyPrint().encodedXml().execute().getId().toUnqualifiedVersionless();
+
+		{
+			//@formatter:off
+			Bundle found = ourClient
+					.search()
+					.forResource(Organization.class)
+					.where(Organization.NAME.isMissing(false))
+					.prettyPrint()
+					.execute();
+			//@formatter:on
+
+			List<IdDt> list = toIdListUnqualifiedVersionless(found);
+			ourLog.info(methodName + ": " + list.toString());
+			assertThat(list, containsInRelativeOrder(orgNotMissing));
+			assertThat(list, not(containsInRelativeOrder(orgMissing)));
+		}
+		{
+			//@formatter:off
+			Bundle found = ourClient
+					.search()
+					.forResource(Organization.class)
+					.where(Organization.NAME.isMissing(true))
+					.prettyPrint()
+					.execute();
+			//@formatter:on
+
+			List<IdDt> list = toIdListUnqualifiedVersionless(found);
+			ourLog.info(methodName + ": " + list.toString());
+			assertThat(list, not(containsInRelativeOrder(orgNotMissing)));
+			assertThat(list, containsInRelativeOrder(orgMissing));
+		}
+	}
+
+	private List<IdDt> toIdListUnqualifiedVersionless(Bundle found) {
+		List<IdDt> list = new ArrayList<IdDt>();
+		for (BundleEntry next : found.getEntries()) {
+			list.add(next.getResource().getId().toUnqualifiedVersionless());
+		}
+		return list;
+	}
+
 	@Test
 	public void testEverythingOperation() throws Exception {
 		String methodName = "testEverythingOperation";
@@ -688,7 +742,8 @@ public class ResourceProviderDstu2Test {
 		p1.addIdentifier().setValue("testSearchByIdentifierWithoutSystem01");
 		IdDt p1Id = ourClient.create().resource(p1).execute().getId();
 
-		Bundle actual = ourClient.search().forResource(Patient.class).where(Patient.IDENTIFIER.exactly().systemAndCode(null, "testSearchByIdentifierWithoutSystem01")).encodedJson().prettyPrint().execute();
+		Bundle actual = ourClient.search().forResource(Patient.class).where(Patient.IDENTIFIER.exactly().systemAndCode(null, "testSearchByIdentifierWithoutSystem01")).encodedJson().prettyPrint()
+				.execute();
 		assertEquals(1, actual.size());
 		assertEquals(p1Id.getIdPart(), actual.getEntries().get(0).getResource().getId().getIdPart());
 
@@ -786,7 +841,8 @@ public class ResourceProviderDstu2Test {
 
 		assertThat(p1Id.getValue(), containsString("Patient/testUpdateWithClientSuppliedIdWhichDoesntExistRpDstu2/_history"));
 
-		Bundle actual = ourClient.search().forResource(Patient.class).where(Patient.IDENTIFIER.exactly().systemAndCode("urn:system", "testUpdateWithClientSuppliedIdWhichDoesntExistRpDstu2")).encodedJson().prettyPrint().execute();
+		Bundle actual = ourClient.search().forResource(Patient.class).where(Patient.IDENTIFIER.exactly().systemAndCode("urn:system", "testUpdateWithClientSuppliedIdWhichDoesntExistRpDstu2"))
+				.encodedJson().prettyPrint().execute();
 		assertEquals(1, actual.size());
 		assertEquals(p1Id.getIdPart(), actual.getEntries().get(0).getResource().getId().getIdPart());
 

hapi-fhir-structures-dstu/src/test/java/ca/uhn/fhir/rest/client/GenericClientTest.java

@@ -147,6 +147,29 @@ public class GenericClientTest {
 
 	}
 
+	@Test
+	public void testMissing() throws Exception {
+
+		ArgumentCaptor<HttpUriRequest> capt = ArgumentCaptor.forClass(HttpUriRequest.class);
+		when(myHttpClient.execute(capt.capture())).thenReturn(myHttpResponse);
+		when(myHttpResponse.getAllHeaders()).thenReturn(new Header[]{new BasicHeader(Constants.HEADER_LOCATION, "/Patient/44/_history/22")});
+		when(myHttpResponse.getEntity().getContentType()).thenReturn(new BasicHeader("content-type", Constants.CT_FHIR_XML + "; charset=UTF-8"));
+		when(myHttpResponse.getEntity().getContent()).thenAnswer(new Answer<InputStream>() {
+			@Override
+			public InputStream answer(InvocationOnMock theInvocation) throws Throwable {
+				return (new ReaderInputStream(new StringReader(getPatientFeedWithOneResult()), Charset.forName("UTF-8")));
+			}});
+
+		IGenericClient client = ourCtx.newRestfulGenericClient("http://example.com/fhir");
+
+		when(myHttpResponse.getStatusLine()).thenReturn(new BasicStatusLine(new ProtocolVersion("HTTP", 1, 1), 201, "OK"));
+		
+		client.search().forResource("Patient").where(Patient.NAME.isMissing(true)).execute();
+		assertEquals("http://example.com/fhir/Patient?name%3Amissing=true", capt.getValue().getRequestLine().getUri());
+		
+		client.search().forResource("Patient").where(Patient.NAME.isMissing(false)).execute();
+		assertEquals("http://example.com/fhir/Patient?name%3Amissing=false", capt.getValue().getRequestLine().getUri());
+	}
 	
 	@Test
 	public void testCreateWithStringAutoDetectsEncoding() throws Exception {

hapi-fhir-structures-dstu/src/test/java/ca/uhn/fhir/testmodel/IdentifierDt.java

@@ -33,6 +33,7 @@ import ca.uhn.fhir.model.primitive.BoundCodeDt;
 import ca.uhn.fhir.model.primitive.CodeDt;
 import ca.uhn.fhir.model.primitive.StringDt;
 import ca.uhn.fhir.model.primitive.UriDt;
+import ca.uhn.fhir.rest.param.StringParam;
 
 /**
  * HAPI/FHIR <b>Identifier</b> Datatype
@@ -402,5 +403,29 @@ public class IdentifierDt
 		return null;
 	}	
 
+	/**
+	 * <b>Not supported!</b>
+	 * 
+	 * @deprecated get/setMissing is not supported in StringDt. Use {@link StringParam} instead if you
+	 * need this functionality
+	 */
+	@Deprecated
+	@Override
+	public Boolean getMissing() {
+		throw new UnsupportedOperationException("get/setMissing is not supported in StringDt. Use {@link StringParam} instead if you need this functionality");
+	}
+
+	/**
+	 * <b>Not supported!</b>
+	 * 
+	 * @deprecated get/setMissing is not supported in StringDt. Use {@link StringParam} instead if you
+	 * need this functionality
+	 */
+	@Deprecated
+	@Override
+	public void setMissing(Boolean theMissing) {
+		throw new UnsupportedOperationException("get/setMissing is not supported in StringDt. Use {@link StringParam} instead if you need this functionality");
+	}
+
 	
 }

hapi-fhir-structures-dstu2/.gitignore

@@ -138,3 +138,5 @@ local.properties
 .texlipse
 
 /target/
+/target/
+/target/

src/changes/changes.xml

@@ -191,7 +191,15 @@
 			</action>
 			<action type="add" issue="164">
 				Improve error message when a user tries to perform a create/update with an invalid
-				or missing Content-Type header. Thanks to wanghaisheng for reporting!
+				or missing Content-Type header. Thanks to wanghaisheng for reporting! (This was
+				actually a three part bug, so the following two fixes also reference this
+				bug number)
+			</action>
+			<action type="add" issue="164">
+				Add support for :missing qualifier in generic/fluent client.
+			</action>
+			<action type="add" issue="164">
+				Add support for :missing qualifier in JPA server.
 			</action>
 			<action type="add">
 				Add a new configuration method on the parsers,