| /******************************************************************************* |
| * Copyright (c) 2009, 2015 Oracle. All rights reserved. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License 2.0, which accompanies this distribution |
| * and is available at https://www.eclipse.org/legal/epl-2.0/. |
| * |
| * Contributors: |
| * Oracle - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.jpt.jpa.core.internal.context.java; |
| |
| import java.util.List; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.jpt.jpa.core.context.RelationshipMapping; |
| import org.eclipse.jpt.jpa.core.context.SpecifiedRelationshipStrategy; |
| import org.eclipse.jpt.jpa.core.context.java.JavaManyToOneMapping; |
| import org.eclipse.jpt.jpa.core.context.java.JavaSpecifiedJoinColumnRelationshipStrategy; |
| import org.eclipse.jpt.jpa.core.context.java.JavaSpecifiedJoinTableRelationshipStrategy; |
| 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.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 JavaSpecifiedJoinColumnRelationshipStrategy joinColumnStrategy; |
| |
| // JPA 2.0 |
| protected final JavaSpecifiedJoinTableRelationshipStrategy 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(IProgressMonitor monitor) { |
| super.synchronizeWithResourceModel(monitor); |
| this.joinColumnStrategy.synchronizeWithResourceModel(monitor); |
| this.joinTableStrategy.synchronizeWithResourceModel(monitor); |
| } |
| |
| @Override |
| public void update(IProgressMonitor monitor) { |
| super.update(monitor); |
| this.joinColumnStrategy.update(monitor); |
| this.joinTableStrategy.update(monitor); |
| } |
| |
| |
| // ********** strategy ********** |
| |
| @Override |
| protected SpecifiedRelationshipStrategy buildStrategy() { |
| if (this.isJpa2_0Compatible()) { |
| if (this.joinTableStrategy.getJoinTable() != null) { |
| return this.joinTableStrategy; |
| } |
| } |
| return this.joinColumnStrategy; |
| } |
| |
| |
| // ********** join table strategy ********** |
| |
| public JavaSpecifiedJoinTableRelationshipStrategy 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 JavaSpecifiedJoinTableRelationshipStrategy buildJoinTableStrategy() { |
| return this.isJpa2_0Compatible() ? |
| new GenericJavaMappingJoinTableRelationshipStrategy(this) : |
| new NullJavaJoinTableRelationshipStrategy(this); |
| } |
| |
| |
| // ********** join column strategy ********** |
| |
| public JavaSpecifiedJoinColumnRelationshipStrategy 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 JavaSpecifiedJoinColumnRelationshipStrategy buildJoinColumnStrategy() { |
| return new GenericJavaMappingJoinColumnRelationshipStrategy(this); |
| } |
| |
| |
| // ********** misc ********** |
| |
| public boolean isOwner() { |
| return true; |
| } |
| |
| public boolean isOwnedBy(RelationshipMapping mapping) { |
| return false; |
| } |
| |
| |
| // ********** Java completion proposals ********** |
| |
| @Override |
| public Iterable<String> getCompletionProposals(int pos) { |
| Iterable<String> result = super.getCompletionProposals(pos); |
| if (result != null) { |
| return result; |
| } |
| |
| result = this.joinColumnStrategy.getCompletionProposals(pos); |
| if (result != null) { |
| return result; |
| } |
| |
| return this.joinTableStrategy.getCompletionProposals(pos); |
| } |
| |
| |
| // ********** validation ********** |
| |
| @Override |
| public void validate(List<IMessage> messages, IReporter reporter) { |
| super.validate(messages, reporter); |
| this.joinColumnStrategy.validate(messages, reporter); |
| this.joinTableStrategy.validate(messages, reporter); |
| } |
| } |