| /******************************************************************************* |
| * Copyright (c) 2006, 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.context.java; |
| |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Vector; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| 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.internal.jpa2.context.java.NullJavaDerivedIdentity2_0; |
| import org.eclipse.jpt.core.jpa2.JpaFactory2_0; |
| import org.eclipse.jpt.core.jpa2.context.java.JavaDerivedIdentity2_0; |
| import org.eclipse.jpt.core.jpa2.context.java.JavaSingleRelationshipMapping2_0; |
| import org.eclipse.jpt.core.jpa2.resource.java.JPA2_0; |
| import org.eclipse.jpt.core.jpa2.resource.java.RelationshipMapping2_0Annotation; |
| import org.eclipse.jpt.core.resource.java.JPA; |
| import org.eclipse.jpt.utility.Filter; |
| import org.eclipse.wst.validation.internal.provisional.core.IMessage; |
| import org.eclipse.wst.validation.internal.provisional.core.IReporter; |
| |
| /** |
| * Java single relationship (1:1, m:1) mapping |
| */ |
| public abstract class AbstractJavaSingleRelationshipMapping<T extends RelationshipMapping2_0Annotation> |
| extends AbstractJavaRelationshipMapping<T> |
| implements JavaSingleRelationshipMapping2_0 |
| { |
| protected Boolean specifiedOptional; |
| |
| protected final JavaDerivedIdentity2_0 derivedIdentity; |
| |
| |
| protected AbstractJavaSingleRelationshipMapping(JavaPersistentAttribute parent) { |
| super(parent); |
| this.derivedIdentity = buildDerivedIdentity(); |
| } |
| |
| @Override |
| protected void initialize() { |
| super.initialize(); |
| this.specifiedOptional = this.getResourceOptional(); |
| this.derivedIdentity.initialize(); |
| } |
| |
| @Override |
| protected void update() { |
| super.update(); |
| this.setSpecifiedOptional_(this.getResourceOptional()); |
| this.derivedIdentity.update(); |
| } |
| |
| @Override |
| protected void addSupportingAnnotationNamesTo(Vector<String> names) { |
| super.addSupportingAnnotationNamesTo(names); |
| names.add(JPA.JOIN_COLUMN); |
| names.add(JPA.JOIN_COLUMNS); |
| names.add(JPA.JOIN_TABLE); |
| if (this.isJpa2_0Compatible()) { |
| names.add(JPA.ID); |
| names.add(JPA2_0.MAPS_ID); |
| } |
| } |
| |
| |
| // ********** 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.setResourceOptional(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 Boolean getResourceOptional(); |
| |
| protected abstract void setResourceOptional(Boolean newOptional); |
| |
| |
| // ********** 2.0 derived identity ********** |
| |
| protected JavaDerivedIdentity2_0 buildDerivedIdentity() { |
| return this.isJpa2_0Compatible() ? |
| ((JpaFactory2_0) this.getJpaFactory()).buildJavaDerivedIdentity(this) : |
| new NullJavaDerivedIdentity2_0(this); |
| } |
| |
| public JavaDerivedIdentity2_0 getDerivedIdentity() { |
| return this.derivedIdentity; |
| } |
| |
| |
| // ********** AbstractJavaRelationshipMapping implementation ********** |
| |
| @Override |
| protected String buildDefaultTargetEntity() { |
| return this.getPersistentAttribute().getSingleReferenceTargetTypeName(); |
| } |
| |
| |
| // ********** Fetchable implementation ********** |
| |
| public FetchType getDefaultFetch() { |
| return DEFAULT_FETCH_TYPE; |
| } |
| |
| |
| @Override |
| public Iterator<String> javaCompletionProposals(int pos, Filter<String> filter, CompilationUnit astRoot) { |
| Iterator<String> result = super.javaCompletionProposals(pos, filter, astRoot); |
| if (result == null) { |
| result = this.derivedIdentity.javaCompletionProposals(pos, filter, astRoot); |
| } |
| return result; |
| } |
| |
| @Override |
| public void validate(List<IMessage> messages, IReporter reporter, CompilationUnit astRoot) { |
| super.validate(messages, reporter, astRoot); |
| this.derivedIdentity.validate(messages, reporter, astRoot); |
| } |
| } |