jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/internal/context/java/AbstractJavaRelationshipMapping.java - dali/webtools.dali - Git at Google

 /*******************************************************************************
  * Copyright (c) 2006, 2010 Oracle. All rights reserved.
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v1.0, which accompanies this distribution
  * and is available at http://www.eclipse.org/legal/epl-v10.html.
  *
  * Contributors:
  *     Oracle - initial API and implementation
  ******************************************************************************/
 package org.eclipse.jpt.core.internal.context.java;

 import java.util.Iterator;
 import java.util.List;
 import org.eclipse.jdt.core.dom.CompilationUnit;
 import org.eclipse.jpt.core.context.AttributeMapping;
 import org.eclipse.jpt.core.context.Entity;
 import org.eclipse.jpt.core.context.FetchType;
 import org.eclipse.jpt.core.context.PersistentAttribute;
 import org.eclipse.jpt.core.context.PersistentType;
 import org.eclipse.jpt.core.context.RelationshipMapping;
 import org.eclipse.jpt.core.context.TypeMapping;
 import org.eclipse.jpt.core.context.java.JavaPersistentAttribute;
 import org.eclipse.jpt.core.context.java.JavaRelationshipReference;
 import org.eclipse.jpt.core.internal.jpa1.context.java.GenericJavaCascade;
 import org.eclipse.jpt.core.internal.validation.DefaultJpaValidationMessages;
 import org.eclipse.jpt.core.internal.validation.JpaValidationMessages;
 import org.eclipse.jpt.core.jpa2.context.MetamodelField;
 import org.eclipse.jpt.core.jpa2.context.java.JavaCascade2_0;
 import org.eclipse.jpt.core.jpa2.context.java.JavaRelationshipMapping2_0;
 import org.eclipse.jpt.core.jpa2.resource.java.RelationshipMapping2_0Annotation;
 import org.eclipse.jpt.core.utility.TextRange;
 import org.eclipse.jpt.utility.Filter;
 import org.eclipse.jpt.utility.internal.CollectionTools;
 import org.eclipse.jpt.utility.internal.iterators.CompositeIterator;
 import org.eclipse.jpt.utility.internal.iterators.EmptyIterator;
 import org.eclipse.jpt.utility.internal.iterators.TransformationIterator;
 import org.eclipse.wst.validation.internal.provisional.core.IMessage;
 import org.eclipse.wst.validation.internal.provisional.core.IReporter;

 /**
  * Java relationship mapping
  */
 public abstract class AbstractJavaRelationshipMapping<T extends RelationshipMapping2_0Annotation>
 	extends AbstractJavaAttributeMapping<T>
 	implements JavaRelationshipMapping2_0
 {
 	protected String specifiedTargetEntity;
 	protected String defaultTargetEntity;
 	protected String fullyQualifiedTargetEntity;
 	protected PersistentType resolvedTargetType;
 	protected Entity resolvedTargetEntity;

 	protected final JavaRelationshipReference relationshipReference;

 	protected final JavaCascade2_0 cascade;

 	protected FetchType specifiedFetch;


 	protected AbstractJavaRelationshipMapping(JavaPersistentAttribute parent) {
 		super(parent);
 		this.relationshipReference = buildRelationshipReference();
 		this.cascade = buildCascade();
 	}


 	@Override
 	protected void initialize() {
 		super.initialize();
 		this.relationshipReference.initialize();
 		this.specifiedFetch = this.getResourceFetch();
 		this.cascade.initialize();
 		this.defaultTargetEntity = this.buildDefaultTargetEntity();
 		this.specifiedTargetEntity = this.getResourceTargetEntity();
 		this.fullyQualifiedTargetEntity = this.buildFullyQualifiedTargetEntity();
 		this.resolvedTargetType = this.resolveTargetType();
 		this.resolvedTargetEntity = this.resolveTargetEntity();
 	}

 	@Override
 	protected void update() {
 		super.update();
 		this.relationshipReference.update();
 		this.setSpecifiedFetch_(this.getResourceFetch());
 		this.cascade.update();
 		this.setDefaultTargetEntity(this.buildDefaultTargetEntity());
 		this.setSpecifiedTargetEntity_(this.getResourceTargetEntity());
 		this.setFullyQualifiedTargetEntity(this.buildFullyQualifiedTargetEntity());
 		this.resolvedTargetType = this.resolveTargetType();
 		this.setResolvedTargetEntity(this.resolveTargetEntity());
 	}


 	// ********** target entity **********

 	public String getTargetEntity() {
 		return (this.specifiedTargetEntity != null) ? this.specifiedTargetEntity : this.defaultTargetEntity;
 	}

 	public String getSpecifiedTargetEntity() {
 		return this.specifiedTargetEntity;
 	}

 	public void setSpecifiedTargetEntity(String targetEntity) {
 		String old = this.specifiedTargetEntity;
 		this.specifiedTargetEntity = targetEntity;
 		this.mappingAnnotation.setTargetEntity(targetEntity);
 		this.firePropertyChanged(SPECIFIED_TARGET_ENTITY_PROPERTY, old, targetEntity);
 	}

 	protected void setSpecifiedTargetEntity_(String targetEntity) {
 		String old = this.specifiedTargetEntity;
 		this.specifiedTargetEntity = targetEntity;
 		this.firePropertyChanged(SPECIFIED_TARGET_ENTITY_PROPERTY, old, targetEntity);
 	}

 	protected String getResourceTargetEntity() {
 		return this.mappingAnnotation.getTargetEntity();
 	}

 	public String getDefaultTargetEntity() {
 		return this.defaultTargetEntity;
 	}

 	protected void setDefaultTargetEntity(String targetEntity) {
 		String old = this.defaultTargetEntity;
 		this.defaultTargetEntity = targetEntity;
 		this.firePropertyChanged(DEFAULT_TARGET_ENTITY_PROPERTY, old, targetEntity);
 	}

 	protected abstract String buildDefaultTargetEntity();

 	public String getFullyQualifiedTargetEntity() {
 		return this.fullyQualifiedTargetEntity;
 	}

 	protected void setFullyQualifiedTargetEntity(String targetEntity) {
 		String old = this.fullyQualifiedTargetEntity;
 		this.fullyQualifiedTargetEntity = targetEntity;
 		this.firePropertyChanged(FULLY_QUALIFIED_TARGET_ENTITY_PROPERTY, old, targetEntity);
 	}

 	protected String buildFullyQualifiedTargetEntity() {
 		return (this.specifiedTargetEntity == null) ?
 			this.defaultTargetEntity :
 			this.mappingAnnotation.getFullyQualifiedTargetEntityClassName();
 	}

 	public PersistentType getResolvedTargetType() {
 		return this.resolvedTargetType;
 	}

 	protected PersistentType resolveTargetType() {
 		return (this.fullyQualifiedTargetEntity == null) ? null : this.getPersistenceUnit().getPersistentType(this.fullyQualifiedTargetEntity);
 	}

 	public Entity getResolvedTargetEntity() {
 		return this.resolvedTargetEntity;
 	}

 	protected void setResolvedTargetEntity(Entity entity) {
 		Entity old = this.resolvedTargetEntity;
 		this.resolvedTargetEntity = entity;
 		this.firePropertyChanged(RESOLVED_TARGET_ENTITY_PROPERTY, old, entity);
 	}

 	protected Entity resolveTargetEntity() {
 		if (this.resolvedTargetType == null) {
 			return null;
 		}
 		TypeMapping typeMapping = this.resolvedTargetType.getMapping();
 		return (typeMapping instanceof Entity) ? (Entity) typeMapping : null;
 	}

 	public Iterator<String> allTargetEntityAttributeNames() {
 		return new CompositeIterator<String>(
 			new TransformationIterator<AttributeMapping, Iterator<String>>(this.allTargetEntityAttributeMappings()) {
 				@Override
 				protected Iterator<String> transform(AttributeMapping mapping) {
 					return mapping.allMappingNames();
 				}
 		});
 	}

 	protected Iterator<AttributeMapping> allTargetEntityAttributeMappings() {
 		return (this.resolvedTargetEntity != null) ?
 				this.resolvedTargetEntity.allAttributeMappings() :
 				EmptyIterator.<AttributeMapping> instance();
 	}

 	protected String getTargetEntityIdAttributeName() {
 		PersistentAttribute attribute = this.getTargetEntityIdAttribute();
 		return (attribute == null) ? null : attribute.getName();
 	}

 	protected PersistentAttribute getTargetEntityIdAttribute() {
 		return (this.resolvedTargetEntity == null) ? null : this.resolvedTargetEntity.getIdAttribute();
 	}

 	public char getTargetEntityEnclosingTypeSeparator() {
 		return '.';
 	}


 	// ********** relationship reference **********

 	public JavaRelationshipReference getRelationshipReference() {
 		return this.relationshipReference;
 	}

 	protected abstract JavaRelationshipReference buildRelationshipReference();

 	@Override
 	public boolean isRelationshipOwner() {
 		return this.relationshipReference.isRelationshipOwner();
 	}

 	public RelationshipMapping getRelationshipOwner() {
 		Entity targetEntity = this.getResolvedTargetEntity();
 		if (targetEntity == null) {
 			return null;
 		}
 		for (PersistentAttribute each :
 			CollectionTools.iterable(
 				targetEntity.getPersistentType().allAttributes())) {
 			if (this.isOwnedBy(each.getMapping())) {
 				return (RelationshipMapping) each.getMapping();
 			}
 		}
 		return null;
 	}

 	@Override
 	public boolean isOwnedBy(AttributeMapping mapping) {
 		if (mapping.isRelationshipOwner()) {
 			return this.relationshipReference.isOwnedBy((RelationshipMapping) mapping);
 		}
 		return false;
 	}

 	@Override
 	public boolean isOverridableAssociationMapping() {
 		return this.relationshipReference.isOverridableAssociation();
 	}


 	// ********** cascade **********

 	protected JavaCascade2_0 buildCascade() {
 		return new GenericJavaCascade(this);
 	}

 	public JavaCascade2_0 getCascade() {
 		return this.cascade;
 	}


 	// ********** fetch **********

 	public FetchType getFetch() {
 		return (this.specifiedFetch != null) ? this.specifiedFetch : this.getDefaultFetch();
 	}

 	public FetchType getSpecifiedFetch() {
 		return this.specifiedFetch;
 	}

 	public void setSpecifiedFetch(FetchType fetch) {
 		FetchType old = this.specifiedFetch;
 		this.specifiedFetch = fetch;
 		this.mappingAnnotation.setFetch(FetchType.toJavaResourceModel(fetch));
 		this.firePropertyChanged(SPECIFIED_FETCH_PROPERTY, old, fetch);
 	}

 	protected void setSpecifiedFetch_(FetchType fetch) {
 		FetchType old = this.specifiedFetch;
 		this.specifiedFetch = fetch;
 		this.firePropertyChanged(SPECIFIED_FETCH_PROPERTY, old, fetch);
 	}

 	protected FetchType getResourceFetch() {
 		return FetchType.fromJavaResourceModel(this.mappingAnnotation.getFetch());
 	}


 	// ********** Java completion proposals **********

 	@Override
 	public Iterator<String> javaCompletionProposals(int pos, Filter<String> filter, CompilationUnit astRoot) {
 		Iterator<String> result = super.javaCompletionProposals(pos, filter, astRoot);
 		if (result != null) {
 			return result;
 		}
 		return this.relationshipReference.javaCompletionProposals(pos, filter, astRoot);
 	}


 	// ********** validation **********

 	@Override
 	public void validate(List<IMessage> messages, IReporter reporter, CompilationUnit astRoot) {
 		super.validate(messages, reporter, astRoot);
 		this.validateTargetEntity(messages, astRoot);
 		this.relationshipReference.validate(messages, reporter, astRoot);
 	}

 	protected void validateTargetEntity(List<IMessage> messages, CompilationUnit astRoot) {
 		if (this.getTargetEntity() == null) {
 			messages.add(
 				DefaultJpaValidationMessages.buildMessage(
 					IMessage.HIGH_SEVERITY,
 					JpaValidationMessages.TARGET_ENTITY_NOT_DEFINED,
 					new String[] {this.getName()},
 					this,
 					this.getValidationTextRange(astRoot)
 				)
 			);
 		}
 		else if (this.resolvedTargetEntity == null) {
 			messages.add(
 				DefaultJpaValidationMessages.buildMessage(
 					IMessage.HIGH_SEVERITY,
 					JpaValidationMessages.TARGET_ENTITY_IS_NOT_AN_ENTITY,
 					new String[] {this.getTargetEntity(), this.getName()},
 					this,
 					this.getTargetEntityTextRange(astRoot)
 				)
 			);
 		}
 	}

 	protected TextRange getTargetEntityTextRange(CompilationUnit astRoot) {
 		return this.getTextRange(this.mappingAnnotation.getTargetEntityTextRange(astRoot), astRoot);
 	}

 	protected TextRange getTextRange(TextRange textRange, CompilationUnit astRoot) {
 		return (textRange != null) ? textRange : this.getParent().getValidationTextRange(astRoot);
 	}


 	// ********** metamodel **********

 	@Override
 	public String getMetamodelTypeName() {
 		return (this.fullyQualifiedTargetEntity != null) ? this.fullyQualifiedTargetEntity : MetamodelField.DEFAULT_TYPE_NAME;
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2006, 2010 Oracle. All rights reserved.
	* This program and the accompanying materials are made available under the
	* terms of the Eclipse Public License v1.0, which accompanies this distribution
	* and is available at http://www.eclipse.org/legal/epl-v10.html.
	*
	* Contributors:
	* Oracle - initial API and implementation
	******************************************************************************/
	package org.eclipse.jpt.core.internal.context.java;

	import java.util.Iterator;
	import java.util.List;
	import org.eclipse.jdt.core.dom.CompilationUnit;
	import org.eclipse.jpt.core.context.AttributeMapping;
	import org.eclipse.jpt.core.context.Entity;
	import org.eclipse.jpt.core.context.FetchType;
	import org.eclipse.jpt.core.context.PersistentAttribute;
	import org.eclipse.jpt.core.context.PersistentType;
	import org.eclipse.jpt.core.context.RelationshipMapping;
	import org.eclipse.jpt.core.context.TypeMapping;
	import org.eclipse.jpt.core.context.java.JavaPersistentAttribute;
	import org.eclipse.jpt.core.context.java.JavaRelationshipReference;
	import org.eclipse.jpt.core.internal.jpa1.context.java.GenericJavaCascade;
	import org.eclipse.jpt.core.internal.validation.DefaultJpaValidationMessages;
	import org.eclipse.jpt.core.internal.validation.JpaValidationMessages;
	import org.eclipse.jpt.core.jpa2.context.MetamodelField;
	import org.eclipse.jpt.core.jpa2.context.java.JavaCascade2_0;
	import org.eclipse.jpt.core.jpa2.context.java.JavaRelationshipMapping2_0;
	import org.eclipse.jpt.core.jpa2.resource.java.RelationshipMapping2_0Annotation;
	import org.eclipse.jpt.core.utility.TextRange;
	import org.eclipse.jpt.utility.Filter;
	import org.eclipse.jpt.utility.internal.CollectionTools;
	import org.eclipse.jpt.utility.internal.iterators.CompositeIterator;
	import org.eclipse.jpt.utility.internal.iterators.EmptyIterator;
	import org.eclipse.jpt.utility.internal.iterators.TransformationIterator;
	import org.eclipse.wst.validation.internal.provisional.core.IMessage;
	import org.eclipse.wst.validation.internal.provisional.core.IReporter;

	/**
	* Java relationship mapping
	*/
	public abstract class AbstractJavaRelationshipMapping<T extends RelationshipMapping2_0Annotation>
	extends AbstractJavaAttributeMapping<T>
	implements JavaRelationshipMapping2_0
	{
	protected String specifiedTargetEntity;
	protected String defaultTargetEntity;
	protected String fullyQualifiedTargetEntity;
	protected PersistentType resolvedTargetType;
	protected Entity resolvedTargetEntity;

	protected final JavaRelationshipReference relationshipReference;

	protected final JavaCascade2_0 cascade;

	protected FetchType specifiedFetch;


	protected AbstractJavaRelationshipMapping(JavaPersistentAttribute parent) {
	super(parent);
	this.relationshipReference = buildRelationshipReference();
	this.cascade = buildCascade();
	}


	@Override
	protected void initialize() {
	super.initialize();
	this.relationshipReference.initialize();
	this.specifiedFetch = this.getResourceFetch();
	this.cascade.initialize();
	this.defaultTargetEntity = this.buildDefaultTargetEntity();
	this.specifiedTargetEntity = this.getResourceTargetEntity();
	this.fullyQualifiedTargetEntity = this.buildFullyQualifiedTargetEntity();
	this.resolvedTargetType = this.resolveTargetType();
	this.resolvedTargetEntity = this.resolveTargetEntity();
	}

	@Override
	protected void update() {
	super.update();
	this.relationshipReference.update();
	this.setSpecifiedFetch_(this.getResourceFetch());
	this.cascade.update();
	this.setDefaultTargetEntity(this.buildDefaultTargetEntity());
	this.setSpecifiedTargetEntity_(this.getResourceTargetEntity());
	this.setFullyQualifiedTargetEntity(this.buildFullyQualifiedTargetEntity());
	this.resolvedTargetType = this.resolveTargetType();
	this.setResolvedTargetEntity(this.resolveTargetEntity());
	}


	// ******** target entity ********

	public String getTargetEntity() {
	return (this.specifiedTargetEntity != null) ? this.specifiedTargetEntity : this.defaultTargetEntity;
	}

	public String getSpecifiedTargetEntity() {
	return this.specifiedTargetEntity;
	}

	public void setSpecifiedTargetEntity(String targetEntity) {
	String old = this.specifiedTargetEntity;
	this.specifiedTargetEntity = targetEntity;
	this.mappingAnnotation.setTargetEntity(targetEntity);
	this.firePropertyChanged(SPECIFIED_TARGET_ENTITY_PROPERTY, old, targetEntity);
	}

	protected void setSpecifiedTargetEntity_(String targetEntity) {
	String old = this.specifiedTargetEntity;
	this.specifiedTargetEntity = targetEntity;
	this.firePropertyChanged(SPECIFIED_TARGET_ENTITY_PROPERTY, old, targetEntity);
	}

	protected String getResourceTargetEntity() {
	return this.mappingAnnotation.getTargetEntity();
	}

	public String getDefaultTargetEntity() {
	return this.defaultTargetEntity;
	}

	protected void setDefaultTargetEntity(String targetEntity) {
	String old = this.defaultTargetEntity;
	this.defaultTargetEntity = targetEntity;
	this.firePropertyChanged(DEFAULT_TARGET_ENTITY_PROPERTY, old, targetEntity);
	}

	protected abstract String buildDefaultTargetEntity();

	public String getFullyQualifiedTargetEntity() {
	return this.fullyQualifiedTargetEntity;
	}

	protected void setFullyQualifiedTargetEntity(String targetEntity) {
	String old = this.fullyQualifiedTargetEntity;
	this.fullyQualifiedTargetEntity = targetEntity;
	this.firePropertyChanged(FULLY_QUALIFIED_TARGET_ENTITY_PROPERTY, old, targetEntity);
	}

	protected String buildFullyQualifiedTargetEntity() {
	return (this.specifiedTargetEntity == null) ?
	this.defaultTargetEntity :
	this.mappingAnnotation.getFullyQualifiedTargetEntityClassName();
	}

	public PersistentType getResolvedTargetType() {
	return this.resolvedTargetType;
	}

	protected PersistentType resolveTargetType() {
	return (this.fullyQualifiedTargetEntity == null) ? null : this.getPersistenceUnit().getPersistentType(this.fullyQualifiedTargetEntity);
	}

	public Entity getResolvedTargetEntity() {
	return this.resolvedTargetEntity;
	}

	protected void setResolvedTargetEntity(Entity entity) {
	Entity old = this.resolvedTargetEntity;
	this.resolvedTargetEntity = entity;
	this.firePropertyChanged(RESOLVED_TARGET_ENTITY_PROPERTY, old, entity);
	}

	protected Entity resolveTargetEntity() {
	if (this.resolvedTargetType == null) {
	return null;
	}
	TypeMapping typeMapping = this.resolvedTargetType.getMapping();
	return (typeMapping instanceof Entity) ? (Entity) typeMapping : null;
	}

	public Iterator<String> allTargetEntityAttributeNames() {
	return new CompositeIterator<String>(
	new TransformationIterator<AttributeMapping, Iterator<String>>(this.allTargetEntityAttributeMappings()) {
	@Override
	protected Iterator<String> transform(AttributeMapping mapping) {
	return mapping.allMappingNames();
	}
	});
	}

	protected Iterator<AttributeMapping> allTargetEntityAttributeMappings() {
	return (this.resolvedTargetEntity != null) ?
	this.resolvedTargetEntity.allAttributeMappings() :
	EmptyIterator.<AttributeMapping> instance();
	}

	protected String getTargetEntityIdAttributeName() {
	PersistentAttribute attribute = this.getTargetEntityIdAttribute();
	return (attribute == null) ? null : attribute.getName();
	}

	protected PersistentAttribute getTargetEntityIdAttribute() {
	return (this.resolvedTargetEntity == null) ? null : this.resolvedTargetEntity.getIdAttribute();
	}

	public char getTargetEntityEnclosingTypeSeparator() {
	return '.';
	}


	// ******** relationship reference ********

	public JavaRelationshipReference getRelationshipReference() {
	return this.relationshipReference;
	}

	protected abstract JavaRelationshipReference buildRelationshipReference();

	@Override
	public boolean isRelationshipOwner() {
	return this.relationshipReference.isRelationshipOwner();
	}

	public RelationshipMapping getRelationshipOwner() {
	Entity targetEntity = this.getResolvedTargetEntity();
	if (targetEntity == null) {
	return null;
	}
	for (PersistentAttribute each :
	CollectionTools.iterable(
	targetEntity.getPersistentType().allAttributes())) {
	if (this.isOwnedBy(each.getMapping())) {
	return (RelationshipMapping) each.getMapping();
	}
	}
	return null;
	}

	@Override
	public boolean isOwnedBy(AttributeMapping mapping) {
	if (mapping.isRelationshipOwner()) {
	return this.relationshipReference.isOwnedBy((RelationshipMapping) mapping);
	}
	return false;
	}

	@Override
	public boolean isOverridableAssociationMapping() {
	return this.relationshipReference.isOverridableAssociation();
	}


	// ******** cascade ********

	protected JavaCascade2_0 buildCascade() {
	return new GenericJavaCascade(this);
	}

	public JavaCascade2_0 getCascade() {
	return this.cascade;
	}


	// ******** fetch ********

	public FetchType getFetch() {
	return (this.specifiedFetch != null) ? this.specifiedFetch : this.getDefaultFetch();
	}

	public FetchType getSpecifiedFetch() {
	return this.specifiedFetch;
	}

	public void setSpecifiedFetch(FetchType fetch) {
	FetchType old = this.specifiedFetch;
	this.specifiedFetch = fetch;
	this.mappingAnnotation.setFetch(FetchType.toJavaResourceModel(fetch));
	this.firePropertyChanged(SPECIFIED_FETCH_PROPERTY, old, fetch);
	}

	protected void setSpecifiedFetch_(FetchType fetch) {
	FetchType old = this.specifiedFetch;
	this.specifiedFetch = fetch;
	this.firePropertyChanged(SPECIFIED_FETCH_PROPERTY, old, fetch);
	}

	protected FetchType getResourceFetch() {
	return FetchType.fromJavaResourceModel(this.mappingAnnotation.getFetch());
	}


	// ******** Java completion proposals ********

	@Override
	public Iterator<String> javaCompletionProposals(int pos, Filter<String> filter, CompilationUnit astRoot) {
	Iterator<String> result = super.javaCompletionProposals(pos, filter, astRoot);
	if (result != null) {
	return result;
	}
	return this.relationshipReference.javaCompletionProposals(pos, filter, astRoot);
	}


	// ******** validation ********

	@Override
	public void validate(List<IMessage> messages, IReporter reporter, CompilationUnit astRoot) {
	super.validate(messages, reporter, astRoot);
	this.validateTargetEntity(messages, astRoot);
	this.relationshipReference.validate(messages, reporter, astRoot);
	}

	protected void validateTargetEntity(List<IMessage> messages, CompilationUnit astRoot) {
	if (this.getTargetEntity() == null) {
	messages.add(
	DefaultJpaValidationMessages.buildMessage(
	IMessage.HIGH_SEVERITY,
	JpaValidationMessages.TARGET_ENTITY_NOT_DEFINED,
	new String[] {this.getName()},
	this,
	this.getValidationTextRange(astRoot)
	)
	);
	}
	else if (this.resolvedTargetEntity == null) {
	messages.add(
	DefaultJpaValidationMessages.buildMessage(
	IMessage.HIGH_SEVERITY,
	JpaValidationMessages.TARGET_ENTITY_IS_NOT_AN_ENTITY,
	new String[] {this.getTargetEntity(), this.getName()},
	this,
	this.getTargetEntityTextRange(astRoot)
	)
	);
	}
	}

	protected TextRange getTargetEntityTextRange(CompilationUnit astRoot) {
	return this.getTextRange(this.mappingAnnotation.getTargetEntityTextRange(astRoot), astRoot);
	}

	protected TextRange getTextRange(TextRange textRange, CompilationUnit astRoot) {
	return (textRange != null) ? textRange : this.getParent().getValidationTextRange(astRoot);
	}


	// ******** metamodel ********

	@Override
	public String getMetamodelTypeName() {
	return (this.fullyQualifiedTargetEntity != null) ? this.fullyQualifiedTargetEntity : MetamodelField.DEFAULT_TYPE_NAME;
	}

	}