| /******************************************************************************* |
| * Copyright (c) 2009, 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.core.internal.context.java; |
| |
| import java.util.List; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jpt.common.utility.Filter; |
| import org.eclipse.jpt.jpa.core.context.ReadOnlyJoinColumnRelationship; |
| import org.eclipse.jpt.jpa.core.context.ReadOnlyJoinTableRelationship; |
| import org.eclipse.jpt.jpa.core.context.Relationship; |
| import org.eclipse.jpt.jpa.core.context.RelationshipMapping; |
| import org.eclipse.jpt.jpa.core.context.java.JavaJoinColumnRelationshipStrategy; |
| import org.eclipse.jpt.jpa.core.context.java.JavaJoinTableRelationshipStrategy; |
| import org.eclipse.jpt.jpa.core.context.java.JavaManyToOneMapping; |
| import org.eclipse.jpt.jpa.core.internal.jpa1.context.java.GenericJavaMappingJoinTableRelationshipStrategy; |
| import org.eclipse.jpt.jpa.core.internal.jpa1.context.java.NullJavaJoinTableRelationshipStrategy; |
| import org.eclipse.jpt.jpa.core.jpa2.context.java.JavaManyToOneRelationship2_0; |
| import org.eclipse.jpt.jpa.core.jpa2.context.java.JavaMappingJoinColumnRelationshipStrategy2_0; |
| import org.eclipse.jpt.jpa.core.jpa2.context.java.JavaMappingJoinTableRelationshipStrategy2_0; |
| import org.eclipse.jpt.jpa.core.jpa2.context.java.JavaMappingRelationshipStrategy2_0; |
| import org.eclipse.wst.validation.internal.provisional.core.IMessage; |
| import org.eclipse.wst.validation.internal.provisional.core.IReporter; |
| |
| public class GenericJavaManyToOneRelationship |
| extends AbstractJavaMappingRelationship<JavaManyToOneMapping> |
| implements JavaManyToOneRelationship2_0 |
| { |
| protected final JavaMappingJoinColumnRelationshipStrategy2_0 joinColumnStrategy; |
| |
| // JPA 2.0 |
| protected final JavaMappingJoinTableRelationshipStrategy2_0 joinTableStrategy; |
| |
| |
| public GenericJavaManyToOneRelationship(JavaManyToOneMapping parent) { |
| super(parent); |
| this.joinColumnStrategy = this.buildJoinColumnStrategy(); |
| this.joinTableStrategy = this.buildJoinTableStrategy(); |
| |
| this.strategy = this.buildStrategy(); |
| } |
| |
| |
| // ********** synchronize/update ********** |
| |
| @Override |
| public void synchronizeWithResourceModel() { |
| super.synchronizeWithResourceModel(); |
| this.joinColumnStrategy.synchronizeWithResourceModel(); |
| this.joinTableStrategy.synchronizeWithResourceModel(); |
| } |
| |
| @Override |
| public void update() { |
| super.update(); |
| this.joinColumnStrategy.update(); |
| this.joinTableStrategy.update(); |
| } |
| |
| |
| // ********** strategy ********** |
| |
| @Override |
| protected JavaMappingRelationshipStrategy2_0 buildStrategy() { |
| if (this.isJpa2_0Compatible()) { |
| if (this.joinTableStrategy.getJoinTable() != null) { |
| return this.joinTableStrategy; |
| } |
| } |
| return this.joinColumnStrategy; |
| } |
| |
| |
| // ********** join table strategy ********** |
| |
| public JavaJoinTableRelationshipStrategy getJoinTableStrategy() { |
| return this.joinTableStrategy; |
| } |
| |
| public boolean strategyIsJoinTable() { |
| return this.strategy == this.joinTableStrategy; |
| } |
| |
| public final void setStrategyToJoinTable() { |
| this.joinTableStrategy.addStrategy(); |
| this.joinColumnStrategy.removeStrategy(); |
| this.updateStrategy(); |
| } |
| |
| public boolean mayHaveDefaultJoinTable() { |
| return false; |
| } |
| |
| protected JavaMappingJoinTableRelationshipStrategy2_0 buildJoinTableStrategy() { |
| return this.isJpa2_0Compatible() ? |
| new GenericJavaMappingJoinTableRelationshipStrategy(this) : |
| new NullJavaJoinTableRelationshipStrategy(this); |
| } |
| |
| |
| // ********** join column strategy ********** |
| |
| public JavaJoinColumnRelationshipStrategy getJoinColumnStrategy() { |
| return this.joinColumnStrategy; |
| } |
| |
| public boolean strategyIsJoinColumn() { |
| return this.strategy == this.joinColumnStrategy; |
| } |
| |
| public void setStrategyToJoinColumn() { |
| // join column strategy is the default; so no need to add stuff, |
| // just remove all the others |
| this.joinTableStrategy.removeStrategy(); |
| this.updateStrategy(); |
| } |
| |
| public boolean mayHaveDefaultJoinColumn() { |
| return this.joinTableStrategy.getJoinTable() == null; |
| } |
| |
| protected JavaMappingJoinColumnRelationshipStrategy2_0 buildJoinColumnStrategy() { |
| return new GenericJavaMappingJoinColumnRelationshipStrategy(this); |
| } |
| |
| |
| // ********** conversions ********** |
| |
| public void initializeOn(Relationship newRelationship) { |
| newRelationship.initializeFromJoinColumnRelationship(this); |
| newRelationship.initializeFromJoinTableRelationship(this); |
| } |
| |
| @Override |
| public void initializeFromJoinTableRelationship(ReadOnlyJoinTableRelationship oldRelationship) { |
| super.initializeFromJoinTableRelationship(oldRelationship); |
| this.joinTableStrategy.initializeFrom(oldRelationship.getJoinTableStrategy()); |
| } |
| |
| @Override |
| public void initializeFromJoinColumnRelationship(ReadOnlyJoinColumnRelationship oldRelationship) { |
| super.initializeFromJoinColumnRelationship(oldRelationship); |
| this.joinColumnStrategy.initializeFrom(oldRelationship.getJoinColumnStrategy()); |
| } |
| |
| |
| // ********** misc ********** |
| |
| @Override |
| public JavaManyToOneMapping getMapping() { |
| return this.getParent(); |
| } |
| |
| public boolean isOwner() { |
| return true; |
| } |
| |
| public boolean isOwnedBy(RelationshipMapping mapping) { |
| return false; |
| } |
| |
| |
| // ********** Java completion proposals ********** |
| |
| @Override |
| public Iterable<String> getJavaCompletionProposals(int pos, Filter<String> filter, CompilationUnit astRoot) { |
| Iterable<String> result = super.getJavaCompletionProposals(pos, filter, astRoot); |
| if (result != null) { |
| return result; |
| } |
| |
| result = this.joinColumnStrategy.getJavaCompletionProposals(pos, filter, astRoot); |
| if (result != null) { |
| return result; |
| } |
| |
| return this.joinTableStrategy.getJavaCompletionProposals(pos, filter, astRoot); |
| } |
| |
| |
| // ********** validation ********** |
| |
| @Override |
| public void validate(List<IMessage> messages, IReporter reporter, CompilationUnit astRoot) { |
| super.validate(messages, reporter, astRoot); |
| this.joinColumnStrategy.validate(messages, reporter, astRoot); |
| this.joinTableStrategy.validate(messages, reporter, astRoot); |
| } |
| } |