| /******************************************************************************* |
| * Copyright (c) 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.eclipselink.core.internal.resource.java; |
| |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jpt.core.internal.resource.java.AbstractResourceAnnotation; |
| import org.eclipse.jpt.core.internal.utility.jdt.BooleanExpressionConverter; |
| import org.eclipse.jpt.core.internal.utility.jdt.ConversionDeclarationAnnotationElementAdapter; |
| import org.eclipse.jpt.core.internal.utility.jdt.EnumDeclarationAnnotationElementAdapter; |
| import org.eclipse.jpt.core.internal.utility.jdt.ShortCircuitAnnotationElementAdapter; |
| 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.FetchType; |
| import org.eclipse.jpt.core.resource.java.JavaResourcePersistentAttribute; |
| import org.eclipse.jpt.core.resource.java.JavaResourcePersistentMember; |
| 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; |
| import org.eclipse.jpt.eclipselink.core.resource.java.EclipseLinkJPA; |
| import org.eclipse.jpt.eclipselink.core.resource.java.TransformationAnnotation; |
| |
| |
| public class TransformationImpl extends AbstractResourceAnnotation<Attribute> implements TransformationAnnotation |
| { |
| private static final DeclarationAnnotationAdapter DECLARATION_ANNOTATION_ADAPTER = new SimpleDeclarationAnnotationAdapter(ANNOTATION_NAME); |
| |
| private final AnnotationElementAdapter<Boolean> optionalAdapter; |
| |
| private final AnnotationElementAdapter<String> fetchAdapter; |
| |
| private static final DeclarationAnnotationElementAdapter<Boolean> OPTIONAL_ADAPTER = buildOptionalAdapter(); |
| |
| private static final DeclarationAnnotationElementAdapter<String> FETCH_ADAPTER = buildFetchAdapter(); |
| |
| private Boolean optional; |
| |
| private FetchType fetch; |
| |
| protected TransformationImpl(JavaResourcePersistentAttribute parent, Attribute attribute) { |
| super(parent, attribute, DECLARATION_ANNOTATION_ADAPTER); |
| this.optionalAdapter = new ShortCircuitAnnotationElementAdapter<Boolean>(attribute, OPTIONAL_ADAPTER); |
| this.fetchAdapter = new ShortCircuitAnnotationElementAdapter<String>(attribute, FETCH_ADAPTER); |
| } |
| |
| public void initialize(CompilationUnit astRoot) { |
| this.optional = this.optional(astRoot); |
| this.fetch = this.fetch(astRoot); |
| } |
| |
| public String getAnnotationName() { |
| return ANNOTATION_NAME; |
| } |
| |
| //*************** Transformation implementation **************** |
| public Boolean getOptional() { |
| return this.optional; |
| } |
| |
| public void setOptional(Boolean newOptional) { |
| if (attributeValueHasNotChanged(this.optional, newOptional)) { |
| return; |
| } |
| Boolean oldOptional = this.optional; |
| this.optional = newOptional; |
| this.optionalAdapter.setValue(newOptional); |
| firePropertyChanged(OPTIONAL_PROPERTY, oldOptional, newOptional); |
| } |
| |
| public FetchType getFetch() { |
| return this.fetch; |
| } |
| |
| public void setFetch(FetchType newFetch) { |
| if (attributeValueHasNotChanged(this.fetch, newFetch)) { |
| return; |
| } |
| FetchType oldFetch = this.fetch; |
| this.fetch = newFetch; |
| this.fetchAdapter.setValue(FetchType.toJavaAnnotationValue(newFetch)); |
| firePropertyChanged(FETCH_PROPERTY, oldFetch, newFetch); |
| } |
| |
| public TextRange getFetchTextRange(CompilationUnit astRoot) { |
| return this.getElementTextRange(FETCH_ADAPTER, astRoot); |
| } |
| |
| public TextRange getOptionalTextRange(CompilationUnit astRoot) { |
| return this.getElementTextRange(OPTIONAL_ADAPTER, astRoot); |
| } |
| |
| public void update(CompilationUnit astRoot) { |
| this.setOptional(this.optional(astRoot)); |
| this.setFetch(this.fetch(astRoot)); |
| } |
| |
| protected FetchType fetch(CompilationUnit astRoot) { |
| return FetchType.fromJavaAnnotationValue(this.fetchAdapter.getValue(astRoot)); |
| } |
| |
| protected Boolean optional(CompilationUnit astRoot) { |
| return this.optionalAdapter.getValue(astRoot); |
| } |
| |
| // ********** static methods ********** |
| private static DeclarationAnnotationElementAdapter<Boolean> buildOptionalAdapter() { |
| return new ConversionDeclarationAnnotationElementAdapter<Boolean>(DECLARATION_ANNOTATION_ADAPTER, EclipseLinkJPA.TRANSFORMATION__OPTIONAL, false, BooleanExpressionConverter.instance()); |
| } |
| |
| private static DeclarationAnnotationElementAdapter<String> buildFetchAdapter() { |
| return new EnumDeclarationAnnotationElementAdapter(DECLARATION_ANNOTATION_ADAPTER, EclipseLinkJPA.TRANSFORMATION__FETCH, false); |
| } |
| |
| public static class TransformationAnnotationDefinition implements AnnotationDefinition |
| { |
| // singleton |
| private static final TransformationAnnotationDefinition INSTANCE = new TransformationAnnotationDefinition(); |
| |
| /** |
| * Return the singleton. |
| */ |
| public static TransformationAnnotationDefinition instance() { |
| return INSTANCE; |
| } |
| |
| /** |
| * Ensure single instance. |
| */ |
| private TransformationAnnotationDefinition() { |
| super(); |
| } |
| |
| public Annotation buildAnnotation(JavaResourcePersistentMember parent, Member member) { |
| return new TransformationImpl((JavaResourcePersistentAttribute) parent, (Attribute) member); |
| } |
| |
| public Annotation buildNullAnnotation(JavaResourcePersistentMember parent, Member member) { |
| return new NullTransformation(parent); |
| } |
| |
| public String getAnnotationName() { |
| return ANNOTATION_NAME; |
| } |
| } |
| |
| } |