| /******************************************************************************* |
| * 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.context.java; |
| |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jpt.core.context.java.JavaTypeMapping; |
| import org.eclipse.jpt.core.internal.context.java.AbstractJavaJpaContextNode; |
| import org.eclipse.jpt.core.resource.java.JavaResourcePersistentType; |
| import org.eclipse.jpt.core.utility.TextRange; |
| import org.eclipse.jpt.eclipselink.core.context.ChangeTracking; |
| import org.eclipse.jpt.eclipselink.core.context.ChangeTrackingType; |
| import org.eclipse.jpt.eclipselink.core.internal.EclipseLinkJpaFactory; |
| import org.eclipse.jpt.eclipselink.core.resource.java.ChangeTrackingAnnotation; |
| |
| public class EclipseLinkJavaChangeTracking extends AbstractJavaJpaContextNode implements ChangeTracking |
| { |
| protected JavaResourcePersistentType resourcePersistentType; |
| |
| protected ChangeTrackingType specifiedType; |
| |
| |
| public EclipseLinkJavaChangeTracking(JavaTypeMapping parent) { |
| super(parent); |
| } |
| |
| @Override |
| public JavaTypeMapping getParent() { |
| return (JavaTypeMapping) super.getParent(); |
| } |
| |
| @Override |
| protected EclipseLinkJpaFactory getJpaFactory() { |
| return (EclipseLinkJpaFactory) super.getJpaFactory(); |
| } |
| |
| protected String getChangeTrackingAnnotationName() { |
| return ChangeTrackingAnnotation.ANNOTATION_NAME; |
| } |
| |
| protected ChangeTrackingAnnotation getChangeTrackingAnnotation() { |
| return (ChangeTrackingAnnotation) this.resourcePersistentType.getSupportingAnnotation(getChangeTrackingAnnotationName()); |
| } |
| |
| protected void addChangeTrackingAnnotation() { |
| this.resourcePersistentType.addSupportingAnnotation(getChangeTrackingAnnotationName()); |
| } |
| |
| protected void removeChangeTrackingAnnotation() { |
| this.resourcePersistentType.removeSupportingAnnotation(getChangeTrackingAnnotationName()); |
| } |
| |
| public ChangeTrackingType getType() { |
| return (this.getSpecifiedType() != null) ? this.getSpecifiedType() : this.getDefaultType(); |
| } |
| |
| public ChangeTrackingType getDefaultType() { |
| return DEFAULT_TYPE; |
| } |
| |
| public ChangeTrackingType getSpecifiedType() { |
| return this.specifiedType; |
| } |
| |
| public void setSpecifiedType(ChangeTrackingType newSpecifiedType) { |
| if (this.specifiedType == newSpecifiedType) { |
| return; |
| } |
| |
| ChangeTrackingType oldSpecifiedType = this.specifiedType; |
| this.specifiedType = newSpecifiedType; |
| |
| if (newSpecifiedType != null) { |
| if (getChangeTrackingAnnotation() == null) { |
| addChangeTrackingAnnotation(); |
| } |
| getChangeTrackingAnnotation().setValue(ChangeTrackingType.toJavaResourceModel(newSpecifiedType)); |
| } |
| else { |
| if (getChangeTrackingAnnotation() != null) { |
| removeChangeTrackingAnnotation(); |
| } |
| } |
| firePropertyChanged(SPECIFIED_TYPE_PROPERTY, oldSpecifiedType, newSpecifiedType); |
| } |
| |
| /** |
| * internal setter used only for updating from the resource model. |
| * There were problems with InvalidThreadAccess exceptions in the UI |
| * when you set a value from the UI and the annotation doesn't exist yet. |
| * Adding the annotation causes an update to occur and then the exception. |
| */ |
| protected void setSpecifiedType_(ChangeTrackingType newSpecifiedType) { |
| ChangeTrackingType oldSpecifiedType = this.specifiedType; |
| this.specifiedType = newSpecifiedType; |
| firePropertyChanged(SPECIFIED_TYPE_PROPERTY, oldSpecifiedType, newSpecifiedType); |
| } |
| |
| public void initialize(JavaResourcePersistentType resourcePersistentType) { |
| this.resourcePersistentType = resourcePersistentType; |
| ChangeTrackingAnnotation changeTrackingAnnotation = this.getChangeTrackingAnnotation(); |
| this.specifiedType = changeTrackingType(changeTrackingAnnotation); |
| } |
| |
| public void update(JavaResourcePersistentType resourcePersistentType) { |
| this.resourcePersistentType = resourcePersistentType; |
| ChangeTrackingAnnotation changeTrackingAnnotation = this.getChangeTrackingAnnotation(); |
| this.setSpecifiedType_(changeTrackingType(changeTrackingAnnotation)); |
| } |
| |
| protected ChangeTrackingType changeTrackingType(ChangeTrackingAnnotation changeTracking) { |
| if (changeTracking == null) { |
| return null; |
| } |
| else if (changeTracking.getValue() == null) { |
| return ChangeTracking.DEFAULT_TYPE; |
| } |
| else { |
| return ChangeTrackingType.fromJavaResourceModel(changeTracking.getValue()); |
| } |
| } |
| |
| public TextRange getValidationTextRange(CompilationUnit astRoot) { |
| ChangeTrackingAnnotation changeTrackingAnnotation = getChangeTrackingAnnotation(); |
| TextRange textRange = changeTrackingAnnotation == null ? null : changeTrackingAnnotation.getTextRange(astRoot); |
| return (textRange != null) ? textRange : this.getParent().getValidationTextRange(astRoot); |
| } |
| } |