| /******************************************************************************* |
| * Copyright (c) 2006, 2009 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.context.java; |
| |
| import org.eclipse.jpt.core.context.FetchType; |
| import org.eclipse.jpt.core.context.Nullable; |
| import org.eclipse.jpt.core.context.java.JavaPersistentAttribute; |
| import org.eclipse.jpt.core.context.java.JavaSingleRelationshipMapping; |
| import org.eclipse.jpt.core.resource.java.RelationshipMappingAnnotation; |
| |
| |
| public abstract class AbstractJavaSingleRelationshipMapping<T extends RelationshipMappingAnnotation> |
| extends AbstractJavaRelationshipMapping<T> |
| implements JavaSingleRelationshipMapping |
| { |
| protected Boolean specifiedOptional; |
| |
| |
| protected AbstractJavaSingleRelationshipMapping(JavaPersistentAttribute parent) { |
| super(parent); |
| } |
| |
| |
| // **************** optional *********************************************** |
| |
| public boolean isOptional() { |
| return (this.specifiedOptional != null) ? this.specifiedOptional.booleanValue() : this.isDefaultOptional(); |
| } |
| |
| public Boolean getSpecifiedOptional() { |
| return this.specifiedOptional; |
| } |
| |
| public void setSpecifiedOptional(Boolean optional) { |
| Boolean old = this.specifiedOptional; |
| this.specifiedOptional = optional; |
| this.setOptionalOnResourceModel(optional); |
| this.firePropertyChanged(Nullable.SPECIFIED_OPTIONAL_PROPERTY, old, optional); |
| } |
| |
| protected void setSpecifiedOptional_(Boolean optional) { |
| Boolean old = this.specifiedOptional; |
| this.specifiedOptional = optional; |
| this.firePropertyChanged(Nullable.SPECIFIED_OPTIONAL_PROPERTY, old, optional); |
| } |
| |
| public boolean isDefaultOptional() { |
| return Nullable.DEFAULT_OPTIONAL; |
| } |
| |
| protected abstract void setOptionalOnResourceModel(Boolean newOptional); |
| |
| |
| // **************** resource => context ************************************ |
| |
| @Override |
| protected void initialize() { |
| super.initialize(); |
| this.specifiedOptional = this.getResourceOptional(); |
| } |
| |
| @Override |
| protected void update() { |
| super.update(); |
| this.setSpecifiedOptional_(this.getResourceOptional()); |
| } |
| |
| protected abstract Boolean getResourceOptional(); |
| |
| @Override |
| protected String buildDefaultTargetEntity() { |
| return this.getPersistentAttribute().getSingleReferenceEntityTypeName(); |
| } |
| |
| |
| // **************** Fetchable implementation ******************************* |
| |
| public FetchType getDefaultFetch() { |
| return DEFAULT_FETCH_TYPE; |
| } |
| } |