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/*******************************************************************************
* Copyright (c) 2009, 2012 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) {
super.validate(messages, reporter);
this.joinColumnStrategy.validate(messages, reporter);
this.joinTableStrategy.validate(messages, reporter);
}
}
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