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/*******************************************************************************
* Copyright (c) 2009, 2012 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.jpa.core.internal.jpa2.resource.java.source;
import org.eclipse.jdt.core.dom.Annotation;
import org.eclipse.jpt.common.core.internal.resource.java.source.SourceAnnotation;
import org.eclipse.jpt.common.core.internal.utility.jdt.ASTTools;
import org.eclipse.jpt.common.core.internal.utility.jdt.AnnotatedElementAnnotationElementAdapter;
import org.eclipse.jpt.common.core.internal.utility.jdt.ConversionDeclarationAnnotationElementAdapter;
import org.eclipse.jpt.common.core.internal.utility.jdt.EnumDeclarationAnnotationElementAdapter;
import org.eclipse.jpt.common.core.internal.utility.jdt.SimpleDeclarationAnnotationAdapter;
import org.eclipse.jpt.common.core.internal.utility.jdt.SimpleTypeStringExpressionConverter;
import org.eclipse.jpt.common.core.resource.java.JavaResourceAnnotatedElement;
import org.eclipse.jpt.common.core.utility.TextRange;
import org.eclipse.jpt.common.core.utility.jdt.AnnotatedElement;
import org.eclipse.jpt.common.core.utility.jdt.AnnotationElementAdapter;
import org.eclipse.jpt.common.core.utility.jdt.DeclarationAnnotationAdapter;
import org.eclipse.jpt.common.core.utility.jdt.DeclarationAnnotationElementAdapter;
import org.eclipse.jpt.common.core.utility.jdt.ExpressionConverter;
import org.eclipse.jpt.jpa.core.jpa2.resource.java.ElementCollection2_0Annotation;
import org.eclipse.jpt.jpa.core.jpa2.resource.java.JPA2_0;
import org.eclipse.jpt.jpa.core.resource.java.FetchType;
/**
* <code>javax.persistence.ElementCollection</code>
*/
public final class SourceElementCollection2_0Annotation
extends SourceAnnotation
implements ElementCollection2_0Annotation
{
private static final DeclarationAnnotationAdapter DECLARATION_ANNOTATION_ADAPTER = new SimpleDeclarationAnnotationAdapter(ANNOTATION_NAME);
private static final DeclarationAnnotationElementAdapter<String> TARGET_CLASS_ADAPTER = buildTargetClassAdapter();
private final AnnotationElementAdapter<String> targetClassAdapter;
private String targetClass;
private TextRange targetClassTextRange;
/**
* @see org.eclipse.jpt.jpa.core.internal.resource.java.source.SourceIdClassAnnotation#fullyQualifiedClassName
*/
private String fullyQualifiedTargetClassName;
// we need a flag since the f-q name can be null
private boolean fqTargetClassNameStale = true;
private static final DeclarationAnnotationElementAdapter<String> FETCH_ADAPTER = buildFetchAdapter();
private final AnnotationElementAdapter<String> fetchAdapter;
private FetchType fetch;
private TextRange fetchTextRange;
public SourceElementCollection2_0Annotation(JavaResourceAnnotatedElement parent, AnnotatedElement element) {
super(parent, element, DECLARATION_ANNOTATION_ADAPTER);
this.targetClassAdapter = new AnnotatedElementAnnotationElementAdapter<String>(element, TARGET_CLASS_ADAPTER);
this.fetchAdapter = new AnnotatedElementAnnotationElementAdapter<String>(element, FETCH_ADAPTER);
}
public String getAnnotationName() {
return ANNOTATION_NAME;
}
@Override
public void initialize(Annotation astAnnotation) {
super.initialize(astAnnotation);
this.targetClass = this.buildTargetClass(astAnnotation);
this.targetClassTextRange = this.buildTargetClassTextRange(astAnnotation);
this.fetch = this.buildFetch(astAnnotation);
this.fetchTextRange = this.buildFetchTextRange(astAnnotation);
}
@Override
public void synchronizeWith(Annotation astAnnotation) {
super.synchronizeWith(astAnnotation);
this.syncTargetClass(this.buildTargetClass(astAnnotation));
this.targetClassTextRange = this.buildTargetClassTextRange(astAnnotation);
this.syncFetch(this.buildFetch(astAnnotation));
this.fetchTextRange = this.buildFetchTextRange(astAnnotation);
}
@Override
public boolean isUnset() {
return super.isUnset() &&
(this.targetClass == null) &&
(this.fetch == null);
}
@Override
public void toString(StringBuilder sb) {
sb.append(this.targetClass);
}
// ********** ElementCollection2_0Annotation implementation **********
// ***** target class
public String getTargetClass() {
return this.targetClass;
}
public void setTargetClass(String targetClass) {
if (this.attributeValueHasChanged(this.targetClass, targetClass)) {
this.targetClass = targetClass;
this.fqTargetClassNameStale = true;
this.targetClassAdapter.setValue(targetClass);
}
}
private void syncTargetClass(String astTargetClass) {
if (this.attributeValueHasChanged(this.targetClass, astTargetClass)) {
this.syncTargetClass_(astTargetClass);
}
}
private void syncTargetClass_(String astTargetClass) {
String old = this.targetClass;
this.targetClass = astTargetClass;
this.fqTargetClassNameStale = true;
this.firePropertyChanged(TARGET_CLASS_PROPERTY, old, astTargetClass);
}
private String buildTargetClass(Annotation astAnnotation) {
return this.targetClassAdapter.getValue(astAnnotation);
}
public TextRange getTargetClassTextRange() {
return this.targetClassTextRange;
}
private TextRange buildTargetClassTextRange(Annotation astAnnotation) {
return this.getElementTextRange(TARGET_CLASS_ADAPTER, astAnnotation);
}
// ***** fully-qualified target entity class name
public String getFullyQualifiedTargetClassName() {
if (this.fqTargetClassNameStale) {
this.fullyQualifiedTargetClassName = this.buildFullyQualifiedTargetClassName();
this.fqTargetClassNameStale = false;
}
return this.fullyQualifiedTargetClassName;
}
private String buildFullyQualifiedTargetClassName() {
return (this.targetClass == null) ? null : this.buildFullyQualifiedTargetClassName_();
}
private String buildFullyQualifiedTargetClassName_() {
return ASTTools.resolveFullyQualifiedName(this.targetClassAdapter.getExpression(this.buildASTRoot()));
}
// ***** fetch
public FetchType getFetch() {
return this.fetch;
}
public void setFetch(FetchType fetch) {
if (this.attributeValueHasChanged(this.fetch, fetch)) {
this.fetch = fetch;
this.fetchAdapter.setValue(FetchType.toJavaAnnotationValue(fetch));
}
}
private void syncFetch(FetchType astFetch) {
FetchType old = this.fetch;
this.fetch = astFetch;
this.firePropertyChanged(FETCH_PROPERTY, old, astFetch);
}
private FetchType buildFetch(Annotation astAnnotation) {
return FetchType.fromJavaAnnotationValue(this.fetchAdapter.getValue(astAnnotation));
}
public TextRange getFetchTextRange() {
return this.fetchTextRange;
}
private TextRange buildFetchTextRange(Annotation astAnnotation) {
return this.getElementTextRange(FETCH_ADAPTER, astAnnotation);
}
// ********** static methods **********
private static DeclarationAnnotationElementAdapter<String> buildFetchAdapter() {
return new EnumDeclarationAnnotationElementAdapter(DECLARATION_ANNOTATION_ADAPTER, JPA2_0.ELEMENT_COLLECTION__FETCH);
}
private static DeclarationAnnotationElementAdapter<String> buildTargetClassAdapter() {
return buildTargetClassAdapter(DECLARATION_ANNOTATION_ADAPTER, JPA2_0.ELEMENT_COLLECTION__TARGET_CLASS);
}
private static DeclarationAnnotationElementAdapter<String> buildTargetClassAdapter(DeclarationAnnotationAdapter annotationAdapter, String elementName) {
// TODO what about QualifiedType?
return buildAnnotationElementAdapter(annotationAdapter, elementName, SimpleTypeStringExpressionConverter.instance());
}
private static DeclarationAnnotationElementAdapter<String> buildAnnotationElementAdapter(DeclarationAnnotationAdapter annotationAdapter, String elementName, ExpressionConverter<String> converter) {
return new ConversionDeclarationAnnotationElementAdapter<String>(annotationAdapter, elementName, converter);
}
}
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