| /******************************************************************************* |
| * Copyright (c) 2008, 2011 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.eclipselink.core.internal.context.java; |
| |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jpt.common.core.utility.TextRange; |
| import org.eclipse.jpt.jpa.core.context.java.JavaAttributeMapping; |
| import org.eclipse.jpt.jpa.core.internal.context.java.AbstractJavaJpaContextNode; |
| import org.eclipse.jpt.jpa.core.resource.java.JavaResourcePersistentAttribute; |
| import org.eclipse.jpt.jpa.eclipselink.core.context.EclipseLinkJoinFetch; |
| import org.eclipse.jpt.jpa.eclipselink.core.context.EclipseLinkJoinFetchType; |
| import org.eclipse.jpt.jpa.eclipselink.core.resource.java.EclipseLinkJoinFetchAnnotation; |
| import org.eclipse.jpt.jpa.eclipselink.core.resource.java.JoinFetchType; |
| |
| public class JavaEclipseLinkJoinFetch |
| extends AbstractJavaJpaContextNode |
| implements EclipseLinkJoinFetch |
| { |
| protected EclipseLinkJoinFetchType value; |
| |
| |
| public JavaEclipseLinkJoinFetch(JavaAttributeMapping parent) { |
| super(parent); |
| this.value = this.buildValue(); |
| } |
| |
| |
| // ********** synchronize/update ********** |
| |
| @Override |
| public void synchronizeWithResourceModel() { |
| super.synchronizeWithResourceModel(); |
| this.setValue_(this.buildValue()); |
| } |
| |
| |
| // ********** value ********** |
| |
| public EclipseLinkJoinFetchType getValue() { |
| return this.value; |
| } |
| |
| public void setValue(EclipseLinkJoinFetchType value) { |
| if (this.valuesAreDifferent(value, this.value)) { |
| EclipseLinkJoinFetchAnnotation annotation = this.getJoinFetchAnnotation(); |
| if (value == null) { |
| if (annotation != null) { |
| this.removeJoinFetchAnnotation(); |
| } |
| } else { |
| if (annotation == null) { |
| annotation = this.addJoinFetchAnnotation(); |
| } |
| annotation.setValue(EclipseLinkJoinFetchType.toJavaResourceModel(value)); |
| } |
| |
| this.setValue_(value); |
| } |
| } |
| |
| protected void setValue_(EclipseLinkJoinFetchType value) { |
| EclipseLinkJoinFetchType old = this.value; |
| this.value = value; |
| this.firePropertyChanged(VALUE_PROPERTY, old, value); |
| } |
| |
| private EclipseLinkJoinFetchType buildValue() { |
| EclipseLinkJoinFetchAnnotation annotation = this.getJoinFetchAnnotation(); |
| if (annotation == null) { |
| return null; |
| } |
| JoinFetchType annotationValue = annotation.getValue(); |
| return (annotationValue != null) ? |
| EclipseLinkJoinFetchType.fromJavaResourceModel(annotationValue) : |
| this.getDefaultValue(); // @JoinFetch is equivalent to @JoinFetch(JoinFetch.INNER) |
| } |
| |
| protected EclipseLinkJoinFetchType getDefaultValue() { |
| return DEFAULT_VALUE; |
| } |
| |
| |
| // ********** join fetch annotation ********** |
| |
| protected EclipseLinkJoinFetchAnnotation getJoinFetchAnnotation() { |
| return (EclipseLinkJoinFetchAnnotation) this.getResourcePersistentAttribute().getAnnotation(this.getJoinFetchAnnotationName()); |
| } |
| |
| protected EclipseLinkJoinFetchAnnotation addJoinFetchAnnotation() { |
| return (EclipseLinkJoinFetchAnnotation) this.getResourcePersistentAttribute().addAnnotation(this.getJoinFetchAnnotationName()); |
| } |
| |
| protected void removeJoinFetchAnnotation() { |
| this.getResourcePersistentAttribute().removeAnnotation(this.getJoinFetchAnnotationName()); |
| } |
| |
| protected String getJoinFetchAnnotationName() { |
| return EclipseLinkJoinFetchAnnotation.ANNOTATION_NAME; |
| } |
| |
| |
| // ********** misc ********** |
| |
| @Override |
| public JavaAttributeMapping getParent() { |
| return (JavaAttributeMapping) super.getParent(); |
| } |
| |
| protected JavaAttributeMapping getAttributeMapping() { |
| return this.getParent(); |
| } |
| |
| protected JavaResourcePersistentAttribute getResourcePersistentAttribute() { |
| return this.getAttributeMapping().getResourcePersistentAttribute(); |
| } |
| |
| |
| // ********** validation ********** |
| |
| public TextRange getValidationTextRange(CompilationUnit astRoot) { |
| TextRange textRange = this.getAnnotationTextRange(astRoot); |
| return (textRange != null) ? textRange : this.getAttributeMapping().getValidationTextRange(astRoot); |
| } |
| |
| protected TextRange getAnnotationTextRange(CompilationUnit astRoot) { |
| EclipseLinkJoinFetchAnnotation annotation = this.getJoinFetchAnnotation(); |
| return (annotation == null) ? null : annotation.getTextRange(astRoot); |
| } |
| } |