| /******************************************************************************* |
| * Copyright (c) 2007, 2010 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.source; |
| |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jpt.core.internal.utility.jdt.EnumDeclarationAnnotationElementAdapter; |
| import org.eclipse.jpt.core.internal.utility.jdt.MemberAnnotationElementAdapter; |
| import org.eclipse.jpt.core.internal.utility.jdt.SimpleDeclarationAnnotationAdapter; |
| import org.eclipse.jpt.core.resource.java.DiscriminatorColumnAnnotation; |
| import org.eclipse.jpt.core.resource.java.DiscriminatorType; |
| import org.eclipse.jpt.core.resource.java.JPA; |
| import org.eclipse.jpt.core.resource.java.JavaResourcePersistentType; |
| import org.eclipse.jpt.core.resource.java.NestableAnnotation; |
| import org.eclipse.jpt.core.utility.jdt.AnnotationElementAdapter; |
| import org.eclipse.jpt.core.utility.jdt.DeclarationAnnotationAdapter; |
| import org.eclipse.jpt.core.utility.jdt.DeclarationAnnotationElementAdapter; |
| import org.eclipse.jpt.core.utility.jdt.Type; |
| |
| /** |
| * javax.persistence.DiscriminatorColumn |
| */ |
| public final class SourceDiscriminatorColumnAnnotation |
| extends SourceNamedColumnAnnotation |
| implements DiscriminatorColumnAnnotation |
| { |
| private static final DeclarationAnnotationAdapter DECLARATION_ANNOTATION_ADAPTER = new SimpleDeclarationAnnotationAdapter(ANNOTATION_NAME); |
| |
| private static final DeclarationAnnotationElementAdapter<String> DISCRIMINATOR_TYPE_ADAPTER = buildDiscriminatorTypeAdapter(); |
| private final AnnotationElementAdapter<String> discriminatorTypeAdapter; |
| private DiscriminatorType discriminatorType; |
| |
| private final DeclarationAnnotationElementAdapter<Integer> lengthDeclarationAdapter; |
| private final AnnotationElementAdapter<Integer> lengthAdapter; |
| private Integer length; |
| |
| |
| public SourceDiscriminatorColumnAnnotation(JavaResourcePersistentType parent, Type type) { |
| super(parent, type, DECLARATION_ANNOTATION_ADAPTER); |
| this.discriminatorTypeAdapter = new MemberAnnotationElementAdapter<String>(type, DISCRIMINATOR_TYPE_ADAPTER); |
| this.lengthDeclarationAdapter = this.buildIntegerElementAdapter(JPA.DISCRIMINATOR_COLUMN__LENGTH); |
| this.lengthAdapter = this.buildShortCircuitIntegerElementAdapter(this.lengthDeclarationAdapter); |
| } |
| |
| public String getAnnotationName() { |
| return ANNOTATION_NAME; |
| } |
| |
| @Override |
| public void initialize(CompilationUnit astRoot) { |
| super.initialize(astRoot); |
| this.discriminatorType = this.buildDiscriminatorType(astRoot); |
| this.length = this.buildLength(astRoot); |
| } |
| |
| @Override |
| public void synchronizeWith(CompilationUnit astRoot) { |
| super.synchronizeWith(astRoot); |
| this.syncLength(this.buildLength(astRoot)); |
| this.syncDiscriminatorType(this.buildDiscriminatorType(astRoot)); |
| } |
| |
| |
| // ********** JavaSourceNamedColumnAnnotation implementation ********** |
| |
| @Override |
| protected String getNameElementName() { |
| return JPA.DISCRIMINATOR_COLUMN__NAME; |
| } |
| |
| @Override |
| protected String getColumnDefinitionElementName() { |
| return JPA.DISCRIMINATOR_COLUMN__COLUMN_DEFINITION; |
| } |
| |
| |
| // ********** DiscriminatorColumn implementation ********** |
| |
| // ***** discriminator type |
| public DiscriminatorType getDiscriminatorType() { |
| return this.discriminatorType; |
| } |
| |
| public void setDiscriminatorType(DiscriminatorType discriminatorType) { |
| if (this.attributeValueHasChanged(this.discriminatorType, discriminatorType)) { |
| this.discriminatorType = discriminatorType; |
| this.discriminatorTypeAdapter.setValue(DiscriminatorType.toJavaAnnotationValue(discriminatorType)); |
| } |
| } |
| |
| private void syncDiscriminatorType(DiscriminatorType astDiscriminatorType) { |
| DiscriminatorType old = this.discriminatorType; |
| this.discriminatorType = astDiscriminatorType; |
| this.firePropertyChanged(DISCRIMINATOR_TYPE_PROPERTY, old, astDiscriminatorType); |
| } |
| |
| private DiscriminatorType buildDiscriminatorType(CompilationUnit astRoot) { |
| return DiscriminatorType.fromJavaAnnotationValue(this.discriminatorTypeAdapter.getValue(astRoot)); |
| } |
| |
| // ***** length |
| public Integer getLength() { |
| return this.length; |
| } |
| |
| public void setLength(Integer length) { |
| if (this.attributeValueHasChanged(this.length, length)) { |
| this.length = length; |
| this.lengthAdapter.setValue(length); |
| } |
| } |
| |
| private void syncLength(Integer astLength) { |
| Integer old = this.length; |
| this.length = astLength; |
| this.firePropertyChanged(LENGTH_PROPERTY, old, astLength); |
| } |
| |
| private Integer buildLength(CompilationUnit astRoot) { |
| return this.lengthAdapter.getValue(astRoot); |
| } |
| |
| |
| // ********** NestableAnnotation implementation ********** |
| |
| @Override |
| public void initializeFrom(NestableAnnotation oldAnnotation) { |
| throw new UnsupportedOperationException("DiscriminatorColumn is not a nestable annotation"); //$NON-NLS-1$ |
| } |
| |
| |
| // ********** static methods ********** |
| |
| private static DeclarationAnnotationElementAdapter<String> buildDiscriminatorTypeAdapter() { |
| return new EnumDeclarationAnnotationElementAdapter(DECLARATION_ANNOTATION_ADAPTER, JPA.DISCRIMINATOR_COLUMN__DISCRIMINATOR_TYPE); |
| } |
| |
| } |