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/*******************************************************************************
* Copyright (c) 2007, 2008 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.resource.java;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.core.internal.utility.jdt.ConversionDeclarationAnnotationElementAdapter;
import org.eclipse.jpt.core.internal.utility.jdt.SimpleDeclarationAnnotationAdapter;
import org.eclipse.jpt.core.resource.java.Annotation;
import org.eclipse.jpt.core.resource.java.AnnotationDefinition;
import org.eclipse.jpt.core.resource.java.JPA;
import org.eclipse.jpt.core.resource.java.JavaResourcePersistentAttribute;
import org.eclipse.jpt.core.resource.java.JavaResourcePersistentMember;
import org.eclipse.jpt.core.resource.java.OneToManyAnnotation;
import org.eclipse.jpt.core.utility.TextRange;
import org.eclipse.jpt.core.utility.jdt.AnnotationElementAdapter;
import org.eclipse.jpt.core.utility.jdt.Attribute;
import org.eclipse.jpt.core.utility.jdt.DeclarationAnnotationAdapter;
import org.eclipse.jpt.core.utility.jdt.DeclarationAnnotationElementAdapter;
import org.eclipse.jpt.core.utility.jdt.Member;
public class OneToManyImpl extends AbstractRelationshipMappingAnnotation implements OneToManyAnnotation
{
private static final DeclarationAnnotationAdapter DECLARATION_ANNOTATION_ADAPTER = new SimpleDeclarationAnnotationAdapter(ANNOTATION_NAME);
private static final DeclarationAnnotationElementAdapter<String> TARGET_ENTITY_ADAPTER = buildTargetEntityAdapter();
private static final DeclarationAnnotationElementAdapter<String[]> CASCADE_ADAPTER = buildCascadeAdapter();
private static final DeclarationAnnotationElementAdapter<String> FETCH_ADAPTER = buildFetchAdapter();
private static final DeclarationAnnotationElementAdapter<String> MAPPED_BY_ADAPTER = buildMappedByAdapter();
private final AnnotationElementAdapter<String> mappedByAdapter;
private String mappedBy;
protected OneToManyImpl(JavaResourcePersistentAttribute parent, Attribute attribute) {
super(parent, attribute, DECLARATION_ANNOTATION_ADAPTER);
this.mappedByAdapter = buildAnnotationElementAdapter(MAPPED_BY_ADAPTER);
}
@Override
public void initialize(CompilationUnit astRoot) {
super.initialize(astRoot);
this.mappedBy = this.mappedBy(astRoot);
}
//**************** AbstractRelationshipMappingAnnotation implementation **************
@Override
protected DeclarationAnnotationElementAdapter<String> getTargetEntityAdapter() {
return TARGET_ENTITY_ADAPTER;
}
@Override
protected DeclarationAnnotationElementAdapter<String[]> getCascadeAdapter() {
return CASCADE_ADAPTER;
}
@Override
protected DeclarationAnnotationElementAdapter<String> getFetchAdapter() {
return FETCH_ADAPTER;
}
//**************** Annotation implementation **************
public String getAnnotationName() {
return ANNOTATION_NAME;
}
public String getMappedBy() {
return this.mappedBy;
}
public void setMappedBy(String newMappedBy) {
if (attributeValueHasNotChanged(this.mappedBy, newMappedBy)) {
return;
}
String oldMappedBy = this.mappedBy;
this.mappedBy = newMappedBy;
this.mappedByAdapter.setValue(newMappedBy);
firePropertyChanged(MAPPED_BY_PROPERTY, oldMappedBy, newMappedBy);
}
public TextRange getMappedByTextRange(CompilationUnit astRoot) {
return getElementTextRange(MAPPED_BY_ADAPTER, astRoot);
}
public boolean mappedByTouches(int pos, CompilationUnit astRoot) {
return this.elementTouches(MAPPED_BY_ADAPTER, pos, astRoot);
}
@Override
public void update(CompilationUnit astRoot) {
super.update(astRoot);
this.setMappedBy(this.mappedBy(astRoot));
}
protected String mappedBy(CompilationUnit astRoot) {
return this.mappedByAdapter.getValue(astRoot);
}
// ********** static methods **********
private static DeclarationAnnotationElementAdapter<String> buildTargetEntityAdapter() {
return buildTargetEntityAdapter(DECLARATION_ANNOTATION_ADAPTER, JPA.ONE_TO_MANY__TARGET_ENTITY);
}
private static DeclarationAnnotationElementAdapter<String[]> buildCascadeAdapter() {
return buildEnumArrayAnnotationElementAdapter(DECLARATION_ANNOTATION_ADAPTER, JPA.ONE_TO_MANY__CASCADE);
}
private static DeclarationAnnotationElementAdapter<String> buildFetchAdapter() {
return buildFetchAdapter(DECLARATION_ANNOTATION_ADAPTER, JPA.ONE_TO_MANY__FETCH);
}
private static DeclarationAnnotationElementAdapter<String> buildMappedByAdapter() {
return ConversionDeclarationAnnotationElementAdapter.forStrings(DECLARATION_ANNOTATION_ADAPTER, JPA.ONE_TO_MANY__MAPPED_BY, false); // false = do not remove annotation when empty
}
public static class OneToManyAnnotationDefinition implements AnnotationDefinition
{
// singleton
private static final OneToManyAnnotationDefinition INSTANCE = new OneToManyAnnotationDefinition();
/**
* Return the singleton.
*/
public static OneToManyAnnotationDefinition instance() {
return INSTANCE;
}
/**
* Ensure single instance.
*/
private OneToManyAnnotationDefinition() {
super();
}
public Annotation buildAnnotation(JavaResourcePersistentMember parent, Member member) {
return new OneToManyImpl((JavaResourcePersistentAttribute) parent, (Attribute) member);
}
public Annotation buildNullAnnotation(JavaResourcePersistentMember parent, Member member) {
return new NullOneToMany(parent);
}
public String getAnnotationName() {
return ANNOTATION_NAME;
}
}
}
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