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

 /*******************************************************************************
  * Copyright (c) 2006, 2007 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.Collection;
 import java.util.Iterator;
 import java.util.List;

 import org.eclipse.jdt.core.dom.CompilationUnit;
 import org.eclipse.jpt.core.internal.IMappingKeys;
 import org.eclipse.jpt.core.internal.ITextRange;
 import org.eclipse.jpt.core.internal.context.base.IPersistentAttribute;
 import org.eclipse.jpt.core.internal.resource.java.Annotation;
 import org.eclipse.jpt.core.internal.resource.java.JavaPersistentAttributeResource;
 import org.eclipse.jpt.utility.internal.CollectionTools;
 import org.eclipse.jpt.utility.internal.Filter;
 import org.eclipse.wst.validation.internal.provisional.core.IMessage;

 public class JavaPersistentAttribute extends JavaContextModel
 	implements IJavaPersistentAttribute
 {
 	protected String name;

 	protected IJavaAttributeMapping defaultMapping;

 	protected IJavaAttributeMapping specifiedMapping;

 	protected JavaPersistentAttributeResource persistentAttributeResource;

 	public JavaPersistentAttribute(IJavaPersistentType parent) {
 		super(parent);
 	}

 	public void initializeFromResource(JavaPersistentAttributeResource persistentAttributeResource) {
 		this.persistentAttributeResource = persistentAttributeResource;
 		this.name = this.name(persistentAttributeResource);
 		initializeDefaultMapping(persistentAttributeResource);
 		initializeSpecifiedMapping(persistentAttributeResource);
 	}

 	protected void initializeDefaultMapping(JavaPersistentAttributeResource persistentAttributeResource) {
 		this.defaultMapping = createDefaultJavaAttributeMapping(persistentAttributeResource);
 	}

 	protected void initializeSpecifiedMapping(JavaPersistentAttributeResource persistentAttributeResource) {
 		String javaMappingAnnotationName = this.javaMappingAnnotationName(persistentAttributeResource);
 		this.specifiedMapping = createJavaAttributeMappingFromAnnotation(javaMappingAnnotationName, persistentAttributeResource);
 	}

 	public JavaPersistentAttributeResource getPersistentAttributeResource() {
 		return this.persistentAttributeResource;
 	}

 	public IJavaPersistentType persistentType() {
 		return (IJavaPersistentType) this.parent();
 	}

 	public IJavaTypeMapping typeMapping() {
 		return this.persistentType().getMapping();
 	}

 	public String primaryKeyColumnName() {
 		return this.getMapping().primaryKeyColumnName();
 	}

 	public boolean isOverridableAttribute() {
 		return this.getMapping().isOverridableAttributeMapping();
 	}

 	public boolean isOverridableAssociation() {
 		return this.getMapping().isOverridableAssociationMapping();
 	}

 	public boolean isIdAttribute() {
 		return this.getMapping().isIdMapping();
 	}

 	public String getName() {
 		return this.name;
 	}

 	protected void setName(String newName) {
 		String oldName = this.name;
 		this.name = newName;
 		firePropertyChanged(NAME_PROPERTY, oldName, newName);
 	}

 	public IJavaAttributeMapping getDefaultMapping() {
 		return this.defaultMapping;
 	}

 	/**
 	 * clients do not set the "default" mapping
 	 */
 	protected void setDefaultMapping(IJavaAttributeMapping newDefaultMapping) {
 		IJavaAttributeMapping oldMapping = this.defaultMapping;
 		this.defaultMapping = newDefaultMapping;
 		firePropertyChanged(IPersistentAttribute.DEFAULT_MAPPING_PROPERTY, oldMapping, newDefaultMapping);
 	}

 	public IJavaAttributeMapping getSpecifiedMapping() {
 		return this.specifiedMapping;
 	}

 	/**
 	 * clients do not set the "specified" mapping;
 	 * use #setMappingKey(String)
 	 */
 	protected void setSpecifiedMapping(IJavaAttributeMapping newSpecifiedMapping) {
 		IJavaAttributeMapping oldMapping = this.specifiedMapping;
 		this.specifiedMapping = newSpecifiedMapping;
 		firePropertyChanged(IPersistentAttribute.SPECIFIED_MAPPING_PROPERTY, oldMapping, newSpecifiedMapping);
 	}


 	public IJavaAttributeMapping getMapping() {
 		return (this.specifiedMapping != null) ? this.specifiedMapping : this.defaultMapping;
 	}

 	public String mappingKey() {
 		return this.getMapping().getKey();
 	}

 	/**
 	 * return null if there is no "default" mapping for the attribute
 	 */
 	public String defaultMappingKey() {
 		return this.defaultMapping.getKey();
 	}

 	/**
 	 * return null if there is no "specified" mapping for the attribute
 	 */
 	public String specifiedMappingKey() {
 		return (this.specifiedMapping == null) ? null : this.specifiedMapping.getKey();
 	}

 	// TODO support morphing mappings, i.e. copying common settings over
 	// to the new mapping; this can't be done in the same was as XmlAttributeMapping
 	// since we don't know all the possible mapping types
 	public void setSpecifiedMappingKey(String newKey) {
 		if (newKey == specifiedMappingKey()) {
 			return;
 		}
 		IJavaAttributeMapping oldMapping = getMapping();
 		IJavaAttributeMapping newMapping = createJavaAttributeMappingFromMappingKey(newKey);
 		setSpecifiedMapping(newMapping);
 		if (newMapping != null) {
 			this.persistentAttributeResource.setMappingAnnotation(newMapping.annotationName());
 		}
 		else {
 			this.persistentAttributeResource.setMappingAnnotation(null);
 		}

 		if (oldMapping != null) {
 			Collection<String> annotationsToRemove = CollectionTools.collection(oldMapping.correspondingAnnotationNames());
 			if (getMapping() != null) {
 				CollectionTools.removeAll(annotationsToRemove, getMapping().correspondingAnnotationNames());
 			}

 			for (String annotationName : annotationsToRemove) {
 				this.persistentAttributeResource.removeAnnotation(annotationName);
 			}
 		}
 	}

 //	public boolean includes(int offset) {
 //		ITextRange fullTextRange = this.fullTextRange();
 //		if (fullTextRange == null) {
 //			//This happens if the attribute no longer exists in the java.
 //			//The text selection event is fired before the update from java so our
 //			//model has not yet had a chance to update appropriately. The list of
 //			//JavaPersistentAttriubtes is stale at this point.  For now, we are trying
 //			//to avoid the NPE, not sure of the ultimate solution to these 2 threads accessing
 //			//our model
 //			return false;
 //		}
 //		return fullTextRange.includes(offset);
 //	}
 //
 //	public ITextRange fullTextRange() {
 //		return this.attribute.textRange();
 //	}

 	public ITextRange validationTextRange(CompilationUnit astRoot) {
 		return this.selectionTextRange(astRoot);
 	}

 	public ITextRange selectionTextRange(CompilationUnit astRoot) {
 		return this.persistentAttributeResource.textRange(astRoot);
 	}

 	public void update(JavaPersistentAttributeResource persistentAttributeResource) {
 		this.persistentAttributeResource = persistentAttributeResource;
 		this.setName(this.name(persistentAttributeResource));
 		this.updateDefaultMapping(persistentAttributeResource);
 		this.updateSpecifiedMapping(persistentAttributeResource);
 	}

 	protected String name(JavaPersistentAttributeResource persistentAttributeResource) {
 		return persistentAttributeResource.getName();
 	}

 	public String specifiedMappingAnnotationName() {
 		return (this.specifiedMapping == null) ? null : this.specifiedMapping.annotationName();
 	}

 	protected void updateSpecifiedMapping(JavaPersistentAttributeResource persistentAttributeResource) {
 		String javaMappingAnnotationName = this.javaMappingAnnotationName(persistentAttributeResource);
 		if (specifiedMappingAnnotationName() != javaMappingAnnotationName) {
 			setSpecifiedMapping(createJavaAttributeMappingFromAnnotation(javaMappingAnnotationName, persistentAttributeResource));
 		}
 		else {
 			if (getSpecifiedMapping() != null) {
 				getSpecifiedMapping().update(persistentAttributeResource);
 			}
 		}
 	}

 	protected void updateDefaultMapping(JavaPersistentAttributeResource persistentAttributeResource) {
 		String defaultMappingKey = jpaPlatform().defaultJavaAttributeMappingKey(this);
 		if (getDefaultMapping().getKey() != defaultMappingKey) {
 			setDefaultMapping(createDefaultJavaAttributeMapping(persistentAttributeResource));
 		}
 		else {
 			getDefaultMapping().update(persistentAttributeResource);
 		}
 	}

 	protected String javaMappingAnnotationName(JavaPersistentAttributeResource persistentAttributeResource) {
 		Annotation mappingAnnotation = (Annotation) persistentAttributeResource.mappingAnnotation();
 		if (mappingAnnotation != null) {
 			return mappingAnnotation.getAnnotationName();
 		}
 		return null;
 	}

 	protected IJavaAttributeMapping createJavaAttributeMappingFromMappingKey(String key) {
 		if (key == IMappingKeys.NULL_ATTRIBUTE_MAPPING_KEY) {
 			return null;
 		}
 		return jpaPlatform().createJavaAttributeMappingFromMappingKey(key, this);
 	}

 	protected IJavaAttributeMapping createJavaAttributeMappingFromAnnotation(String annotationName, JavaPersistentAttributeResource persistentAttributeResource) {
 		if (annotationName == null) {
 			return null;
 		}
 		IJavaAttributeMapping mapping = jpaPlatform().createJavaAttributeMappingFromAnnotation(annotationName, this);
 		mapping.initializeFromResource(persistentAttributeResource);
 		return mapping;
 	}

 	protected IJavaAttributeMapping createDefaultJavaAttributeMapping(JavaPersistentAttributeResource persistentAttributeResource) {
 		IJavaAttributeMapping defaultMapping = jpaPlatform().createDefaultJavaAttributeMapping(this);
 		defaultMapping.initializeFromResource(persistentAttributeResource);
 		return defaultMapping;
 	}

 	/**
 	 * the mapping might be "default", but it still might be a "null" mapping...
 	 */
 	public boolean mappingIsDefault() {
 		return this.specifiedMapping == null;
 	}

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

 	//************* Validation ******************************

 	@Override
 	public void addToMessages(List<IMessage> messages, CompilationUnit astRoot) {
 		super.addToMessages(messages, astRoot);

 		if (this.specifiedMapping != null) {
 			this.specifiedMapping.addToMessages(messages, astRoot);
 		}
 		else if (this.defaultMapping != null) {
 			this.defaultMapping.addToMessages(messages, astRoot);
 		}

 	}


 }
	/*******************************************************************************
	* Copyright (c) 2006, 2007 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.Collection;
	import java.util.Iterator;
	import java.util.List;

	import org.eclipse.jdt.core.dom.CompilationUnit;
	import org.eclipse.jpt.core.internal.IMappingKeys;
	import org.eclipse.jpt.core.internal.ITextRange;
	import org.eclipse.jpt.core.internal.context.base.IPersistentAttribute;
	import org.eclipse.jpt.core.internal.resource.java.Annotation;
	import org.eclipse.jpt.core.internal.resource.java.JavaPersistentAttributeResource;
	import org.eclipse.jpt.utility.internal.CollectionTools;
	import org.eclipse.jpt.utility.internal.Filter;
	import org.eclipse.wst.validation.internal.provisional.core.IMessage;

	public class JavaPersistentAttribute extends JavaContextModel
	implements IJavaPersistentAttribute
	{
	protected String name;

	protected IJavaAttributeMapping defaultMapping;

	protected IJavaAttributeMapping specifiedMapping;

	protected JavaPersistentAttributeResource persistentAttributeResource;

	public JavaPersistentAttribute(IJavaPersistentType parent) {
	super(parent);
	}

	public void initializeFromResource(JavaPersistentAttributeResource persistentAttributeResource) {
	this.persistentAttributeResource = persistentAttributeResource;
	this.name = this.name(persistentAttributeResource);
	initializeDefaultMapping(persistentAttributeResource);
	initializeSpecifiedMapping(persistentAttributeResource);
	}

	protected void initializeDefaultMapping(JavaPersistentAttributeResource persistentAttributeResource) {
	this.defaultMapping = createDefaultJavaAttributeMapping(persistentAttributeResource);
	}

	protected void initializeSpecifiedMapping(JavaPersistentAttributeResource persistentAttributeResource) {
	String javaMappingAnnotationName = this.javaMappingAnnotationName(persistentAttributeResource);
	this.specifiedMapping = createJavaAttributeMappingFromAnnotation(javaMappingAnnotationName, persistentAttributeResource);
	}

	public JavaPersistentAttributeResource getPersistentAttributeResource() {
	return this.persistentAttributeResource;
	}

	public IJavaPersistentType persistentType() {
	return (IJavaPersistentType) this.parent();
	}

	public IJavaTypeMapping typeMapping() {
	return this.persistentType().getMapping();
	}

	public String primaryKeyColumnName() {
	return this.getMapping().primaryKeyColumnName();
	}

	public boolean isOverridableAttribute() {
	return this.getMapping().isOverridableAttributeMapping();
	}

	public boolean isOverridableAssociation() {
	return this.getMapping().isOverridableAssociationMapping();
	}

	public boolean isIdAttribute() {
	return this.getMapping().isIdMapping();
	}

	public String getName() {
	return this.name;
	}

	protected void setName(String newName) {
	String oldName = this.name;
	this.name = newName;
	firePropertyChanged(NAME_PROPERTY, oldName, newName);
	}

	public IJavaAttributeMapping getDefaultMapping() {
	return this.defaultMapping;
	}

	/**
	* clients do not set the "default" mapping
	*/
	protected void setDefaultMapping(IJavaAttributeMapping newDefaultMapping) {
	IJavaAttributeMapping oldMapping = this.defaultMapping;
	this.defaultMapping = newDefaultMapping;
	firePropertyChanged(IPersistentAttribute.DEFAULT_MAPPING_PROPERTY, oldMapping, newDefaultMapping);
	}

	public IJavaAttributeMapping getSpecifiedMapping() {
	return this.specifiedMapping;
	}

	/**
	* clients do not set the "specified" mapping;
	* use #setMappingKey(String)
	*/
	protected void setSpecifiedMapping(IJavaAttributeMapping newSpecifiedMapping) {
	IJavaAttributeMapping oldMapping = this.specifiedMapping;
	this.specifiedMapping = newSpecifiedMapping;
	firePropertyChanged(IPersistentAttribute.SPECIFIED_MAPPING_PROPERTY, oldMapping, newSpecifiedMapping);
	}


	public IJavaAttributeMapping getMapping() {
	return (this.specifiedMapping != null) ? this.specifiedMapping : this.defaultMapping;
	}

	public String mappingKey() {
	return this.getMapping().getKey();
	}

	/**
	* return null if there is no "default" mapping for the attribute
	*/
	public String defaultMappingKey() {
	return this.defaultMapping.getKey();
	}

	/**
	* return null if there is no "specified" mapping for the attribute
	*/
	public String specifiedMappingKey() {
	return (this.specifiedMapping == null) ? null : this.specifiedMapping.getKey();
	}

	// TODO support morphing mappings, i.e. copying common settings over
	// to the new mapping; this can't be done in the same was as XmlAttributeMapping
	// since we don't know all the possible mapping types
	public void setSpecifiedMappingKey(String newKey) {
	if (newKey == specifiedMappingKey()) {
	return;
	}
	IJavaAttributeMapping oldMapping = getMapping();
	IJavaAttributeMapping newMapping = createJavaAttributeMappingFromMappingKey(newKey);
	setSpecifiedMapping(newMapping);
	if (newMapping != null) {
	this.persistentAttributeResource.setMappingAnnotation(newMapping.annotationName());
	}
	else {
	this.persistentAttributeResource.setMappingAnnotation(null);
	}

	if (oldMapping != null) {
	Collection<String> annotationsToRemove = CollectionTools.collection(oldMapping.correspondingAnnotationNames());
	if (getMapping() != null) {
	CollectionTools.removeAll(annotationsToRemove, getMapping().correspondingAnnotationNames());
	}

	for (String annotationName : annotationsToRemove) {
	this.persistentAttributeResource.removeAnnotation(annotationName);
	}
	}
	}

	// public boolean includes(int offset) {
	// ITextRange fullTextRange = this.fullTextRange();
	// if (fullTextRange == null) {
	// //This happens if the attribute no longer exists in the java.
	// //The text selection event is fired before the update from java so our
	// //model has not yet had a chance to update appropriately. The list of
	// //JavaPersistentAttriubtes is stale at this point. For now, we are trying
	// //to avoid the NPE, not sure of the ultimate solution to these 2 threads accessing
	// //our model
	// return false;
	// }
	// return fullTextRange.includes(offset);
	// }
	//
	// public ITextRange fullTextRange() {
	// return this.attribute.textRange();
	// }

	public ITextRange validationTextRange(CompilationUnit astRoot) {
	return this.selectionTextRange(astRoot);
	}

	public ITextRange selectionTextRange(CompilationUnit astRoot) {
	return this.persistentAttributeResource.textRange(astRoot);
	}

	public void update(JavaPersistentAttributeResource persistentAttributeResource) {
	this.persistentAttributeResource = persistentAttributeResource;
	this.setName(this.name(persistentAttributeResource));
	this.updateDefaultMapping(persistentAttributeResource);
	this.updateSpecifiedMapping(persistentAttributeResource);
	}

	protected String name(JavaPersistentAttributeResource persistentAttributeResource) {
	return persistentAttributeResource.getName();
	}

	public String specifiedMappingAnnotationName() {
	return (this.specifiedMapping == null) ? null : this.specifiedMapping.annotationName();
	}

	protected void updateSpecifiedMapping(JavaPersistentAttributeResource persistentAttributeResource) {
	String javaMappingAnnotationName = this.javaMappingAnnotationName(persistentAttributeResource);
	if (specifiedMappingAnnotationName() != javaMappingAnnotationName) {
	setSpecifiedMapping(createJavaAttributeMappingFromAnnotation(javaMappingAnnotationName, persistentAttributeResource));
	}
	else {
	if (getSpecifiedMapping() != null) {
	getSpecifiedMapping().update(persistentAttributeResource);
	}
	}
	}

	protected void updateDefaultMapping(JavaPersistentAttributeResource persistentAttributeResource) {
	String defaultMappingKey = jpaPlatform().defaultJavaAttributeMappingKey(this);
	if (getDefaultMapping().getKey() != defaultMappingKey) {
	setDefaultMapping(createDefaultJavaAttributeMapping(persistentAttributeResource));
	}
	else {
	getDefaultMapping().update(persistentAttributeResource);
	}
	}

	protected String javaMappingAnnotationName(JavaPersistentAttributeResource persistentAttributeResource) {
	Annotation mappingAnnotation = (Annotation) persistentAttributeResource.mappingAnnotation();
	if (mappingAnnotation != null) {
	return mappingAnnotation.getAnnotationName();
	}
	return null;
	}

	protected IJavaAttributeMapping createJavaAttributeMappingFromMappingKey(String key) {
	if (key == IMappingKeys.NULL_ATTRIBUTE_MAPPING_KEY) {
	return null;
	}
	return jpaPlatform().createJavaAttributeMappingFromMappingKey(key, this);
	}

	protected IJavaAttributeMapping createJavaAttributeMappingFromAnnotation(String annotationName, JavaPersistentAttributeResource persistentAttributeResource) {
	if (annotationName == null) {
	return null;
	}
	IJavaAttributeMapping mapping = jpaPlatform().createJavaAttributeMappingFromAnnotation(annotationName, this);
	mapping.initializeFromResource(persistentAttributeResource);
	return mapping;
	}

	protected IJavaAttributeMapping createDefaultJavaAttributeMapping(JavaPersistentAttributeResource persistentAttributeResource) {
	IJavaAttributeMapping defaultMapping = jpaPlatform().createDefaultJavaAttributeMapping(this);
	defaultMapping.initializeFromResource(persistentAttributeResource);
	return defaultMapping;
	}

	/**
	* the mapping might be "default", but it still might be a "null" mapping...
	*/
	public boolean mappingIsDefault() {
	return this.specifiedMapping == null;
	}

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

	//*********** Validation ****************************

	@Override
	public void addToMessages(List<IMessage> messages, CompilationUnit astRoot) {
	super.addToMessages(messages, astRoot);

	if (this.specifiedMapping != null) {
	this.specifiedMapping.addToMessages(messages, astRoot);
	}
	else if (this.defaultMapping != null) {
	this.defaultMapping.addToMessages(messages, astRoot);
	}

	}



	}