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/*******************************************************************************
* Copyright (c) 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.resource.java;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.core.internal.ITextRange;
import org.eclipse.jpt.core.internal.jdtutility.AnnotationElementAdapter;
import org.eclipse.jpt.core.internal.jdtutility.Attribute;
import org.eclipse.jpt.core.internal.jdtutility.BooleanExpressionConverter;
import org.eclipse.jpt.core.internal.jdtutility.ConversionDeclarationAnnotationElementAdapter;
import org.eclipse.jpt.core.internal.jdtutility.DeclarationAnnotationAdapter;
import org.eclipse.jpt.core.internal.jdtutility.DeclarationAnnotationElementAdapter;
import org.eclipse.jpt.core.internal.jdtutility.Member;
import org.eclipse.jpt.core.internal.jdtutility.SimpleDeclarationAnnotationAdapter;
public class ManyToOneImpl extends AbstractRelationshipMappingAnnotation implements ManyToOne
{
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<Boolean> OPTIONAL_ADAPTER = buildOptionalAdapter();
private final AnnotationElementAdapter<Boolean> optionalAdapter;
private Boolean optional;
protected ManyToOneImpl(JavaPersistentAttributeResource parent, Attribute attribute) {
super(parent, attribute, DECLARATION_ANNOTATION_ADAPTER);
this.optionalAdapter = this.buildBooleanAnnotationElementAdapter(OPTIONAL_ADAPTER);
}
@Override
public void initialize(CompilationUnit astRoot) {
super.initialize(astRoot);
this.optional = this.optional(astRoot);
}
//**************** AbstractRelationshipMappingAnnotation implementation **************
@Override
protected DeclarationAnnotationElementAdapter<String> targetEntityAdapter() {
return TARGET_ENTITY_ADAPTER;
}
@Override
protected DeclarationAnnotationElementAdapter<String[]> cascadeAdapter() {
return CASCADE_ADAPTER;
}
@Override
protected DeclarationAnnotationElementAdapter<String> fetchAdapter() {
return FETCH_ADAPTER;
}
//**************** Annotation implementation **************
public String getAnnotationName() {
return ANNOTATION_NAME;
}
public Boolean getOptional() {
return this.optional;
}
public void setOptional(Boolean newOptional) {
Boolean oldOptional = this.optional;
this.optional = newOptional;
this.optionalAdapter.setValue(newOptional);
firePropertyChanged(OPTIONAL_PROPERTY, oldOptional, newOptional);
}
public ITextRange optionalTextRange(CompilationUnit astRoot) {
return elementTextRange(OPTIONAL_ADAPTER, astRoot);
}
@Override
public void updateFromJava(CompilationUnit astRoot) {
super.updateFromJava(astRoot);
this.setOptional(this.optional(astRoot));
}
protected Boolean optional(CompilationUnit astRoot) {
return this.optionalAdapter.getValue(astRoot);
}
// ********** static methods **********
private static DeclarationAnnotationElementAdapter<String> buildTargetEntityAdapter() {
return buildTargetEntityAdapter(DECLARATION_ANNOTATION_ADAPTER, JPA.MANY_TO_ONE__TARGET_ENTITY);
}
private static DeclarationAnnotationElementAdapter<String[]> buildCascadeAdapter() {
return buildEnumArrayAnnotationElementAdapter(DECLARATION_ANNOTATION_ADAPTER, JPA.MANY_TO_ONE__CASCADE);
}
private static DeclarationAnnotationElementAdapter<String> buildFetchAdapter() {
return buildFetchAdapter(DECLARATION_ANNOTATION_ADAPTER, JPA.MANY_TO_ONE__FETCH);
}
private static DeclarationAnnotationElementAdapter<Boolean> buildOptionalAdapter() {
return buildOptionalAdapter(DECLARATION_ANNOTATION_ADAPTER, JPA.MANY_TO_ONE__OPTIONAL);
}
private static DeclarationAnnotationElementAdapter<Boolean> buildOptionalAdapter(DeclarationAnnotationAdapter annotationAdapter, String elementName) {
return new ConversionDeclarationAnnotationElementAdapter<Boolean>(annotationAdapter, elementName, false, BooleanExpressionConverter.instance());
}
public static class ManyToOneAnnotationDefinition implements AnnotationDefinition
{
// singleton
private static final ManyToOneAnnotationDefinition INSTANCE = new ManyToOneAnnotationDefinition();
/**
* Return the singleton.
*/
public static ManyToOneAnnotationDefinition instance() {
return INSTANCE;
}
/**
* Ensure non-instantiability.
*/
private ManyToOneAnnotationDefinition() {
super();
}
public Annotation buildAnnotation(JavaResource parent, Member member) {
return new ManyToOneImpl((JavaPersistentAttributeResource) parent, (Attribute) member);
}
public Annotation buildNullAnnotation(JavaResource parent, Member member) {
return null;
}
public String getAnnotationName() {
return ANNOTATION_NAME;
}
}
}
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