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/*******************************************************************************
* Copyright (c) 2009, 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 org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.core.MappingKeys;
import org.eclipse.jpt.core.context.AttributeMapping;
import org.eclipse.jpt.core.context.RelationshipMapping;
import org.eclipse.jpt.core.context.java.JavaJoinColumnJoiningStrategy;
import org.eclipse.jpt.core.context.java.JavaJoinTableJoiningStrategy;
import org.eclipse.jpt.core.context.java.JavaMappedByJoiningStrategy;
import org.eclipse.jpt.core.context.java.JavaOneToOneMapping;
import org.eclipse.jpt.core.context.java.JavaPrimaryKeyJoinColumnJoiningStrategy;
import org.eclipse.jpt.core.jpa2.context.java.JavaOneToOneRelationshipReference2_0;
import org.eclipse.jpt.core.resource.java.OwnableRelationshipMappingAnnotation;
import org.eclipse.jpt.utility.Filter;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
import org.eclipse.wst.validation.internal.provisional.core.IReporter;
public abstract class AbstractJavaOneToOneRelationshipReference
extends AbstractJavaRelationshipReference
implements JavaOneToOneRelationshipReference2_0
{
protected final JavaMappedByJoiningStrategy mappedByJoiningStrategy;
protected final JavaJoinColumnJoiningStrategy joinColumnJoiningStrategy;
protected final JavaPrimaryKeyJoinColumnJoiningStrategy primaryKeyJoinColumnJoiningStrategy;
protected final JavaJoinTableJoiningStrategy joinTableJoiningStrategy;
protected AbstractJavaOneToOneRelationshipReference(JavaOneToOneMapping parent) {
super(parent);
this.mappedByJoiningStrategy = buildMappedByJoiningStrategy();
this.joinColumnJoiningStrategy = buildJoinColumnJoiningStrategy();
this.primaryKeyJoinColumnJoiningStrategy = buildPrimaryKeyJoinColumnJoiningStrategy();
this.joinTableJoiningStrategy = buildJoinTableJoiningStrategy();
}
protected JavaMappedByJoiningStrategy buildMappedByJoiningStrategy() {
return new GenericJavaMappedByJoiningStrategy(this);
}
protected JavaJoinColumnJoiningStrategy buildJoinColumnJoiningStrategy() {
return new GenericJavaJoinColumnJoiningStrategy(this);
}
protected JavaPrimaryKeyJoinColumnJoiningStrategy buildPrimaryKeyJoinColumnJoiningStrategy() {
return new GenericJavaPrimaryKeyJoinColumnJoiningStrategy(this);
}
protected abstract JavaJoinTableJoiningStrategy buildJoinTableJoiningStrategy();
@Override
public JavaOneToOneMapping getRelationshipMapping() {
return (JavaOneToOneMapping) getParent();
}
public OwnableRelationshipMappingAnnotation getMappingAnnotation() {
return getRelationshipMapping().getMappingAnnotation();
}
public boolean isRelationshipOwner() {
return this.mappedByJoiningStrategy.getMappedByAttribute() == null;
}
public boolean isOwnedBy(RelationshipMapping mapping) {
return this.mappedByJoiningStrategy.relationshipIsOwnedBy(mapping);
}
@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.mappedByJoiningStrategy.javaCompletionProposals(pos, filter, astRoot);
}
if (result == null) {
result = this.joinColumnJoiningStrategy.javaCompletionProposals(pos, filter, astRoot);
}
if (result == null) {
result = this.primaryKeyJoinColumnJoiningStrategy.javaCompletionProposals(pos, filter, astRoot);
}
if (result == null) {
result = this.joinTableJoiningStrategy.javaCompletionProposals(pos, filter, astRoot);
}
return result;
}
// **************** mapped by **********************************************
public JavaMappedByJoiningStrategy getMappedByJoiningStrategy() {
return this.mappedByJoiningStrategy;
}
public boolean usesMappedByJoiningStrategy() {
return getPredominantJoiningStrategy() == this.mappedByJoiningStrategy;
}
public void setMappedByJoiningStrategy() {
this.mappedByJoiningStrategy.addStrategy();
this.joinColumnJoiningStrategy.removeStrategy();
this.primaryKeyJoinColumnJoiningStrategy.removeStrategy();
this.joinTableJoiningStrategy.removeStrategy();
setPredominantJoiningStrategy();
}
public void unsetMappedByJoiningStrategy() {
this.mappedByJoiningStrategy.removeStrategy();
setPredominantJoiningStrategy();
}
public boolean mayBeMappedBy(AttributeMapping mappedByMapping) {
return mappedByMapping.getKey() == MappingKeys.ONE_TO_ONE_ATTRIBUTE_MAPPING_KEY;
}
// **************** join columns *******************************************
public JavaJoinColumnJoiningStrategy getJoinColumnJoiningStrategy() {
return this.joinColumnJoiningStrategy;
}
public boolean usesJoinColumnJoiningStrategy() {
return getPredominantJoiningStrategy() == this.joinColumnJoiningStrategy;
}
public void setJoinColumnJoiningStrategy() {
this.mappedByJoiningStrategy.removeStrategy();
this.primaryKeyJoinColumnJoiningStrategy.removeStrategy();
this.joinTableJoiningStrategy.removeStrategy();
// join columns are default, so no need to add annotations
setPredominantJoiningStrategy();
}
public void unsetJoinColumnJoiningStrategy() {
this.joinColumnJoiningStrategy.removeStrategy();
setPredominantJoiningStrategy();
}
public boolean mayHaveDefaultJoinColumn() {
return this.getMappedByJoiningStrategy().getMappedByAttribute() == null
&& this.getPrimaryKeyJoinColumnJoiningStrategy().primaryKeyJoinColumnsSize() == 0
&& this.getJoinTableJoiningStrategy().getJoinTable() == null;
}
// **************** primary key join columns *******************************
public JavaPrimaryKeyJoinColumnJoiningStrategy getPrimaryKeyJoinColumnJoiningStrategy() {
return this.primaryKeyJoinColumnJoiningStrategy;
}
public boolean usesPrimaryKeyJoinColumnJoiningStrategy() {
return getPredominantJoiningStrategy() == this.primaryKeyJoinColumnJoiningStrategy;
}
public void setPrimaryKeyJoinColumnJoiningStrategy() {
this.primaryKeyJoinColumnJoiningStrategy.addStrategy();
this.mappedByJoiningStrategy.removeStrategy();
this.joinColumnJoiningStrategy.removeStrategy();
this.joinTableJoiningStrategy.removeStrategy();
setPredominantJoiningStrategy();
}
public void unsetPrimaryKeyJoinColumnJoiningStrategy() {
this.primaryKeyJoinColumnJoiningStrategy.removeStrategy();
setPredominantJoiningStrategy();
}
public boolean mayHaveDefaultPrimaryKeyJoinColumn() {
return false;
}
// **************** join table *********************************************
public JavaJoinTableJoiningStrategy getJoinTableJoiningStrategy() {
return this.joinTableJoiningStrategy;
}
public boolean usesJoinTableJoiningStrategy() {
return getPredominantJoiningStrategy() == this.joinTableJoiningStrategy;
}
public final void setJoinTableJoiningStrategy() {
this.joinTableJoiningStrategy.addStrategy();
this.mappedByJoiningStrategy.removeStrategy();
this.joinColumnJoiningStrategy.removeStrategy();
this.primaryKeyJoinColumnJoiningStrategy.removeStrategy();
setPredominantJoiningStrategy();
}
public final void unsetJoinTableJoiningStrategy() {
unsetJoinTableJoiningStrategy_();
setPredominantJoiningStrategy();
}
protected void unsetJoinTableJoiningStrategy_() {
this.joinTableJoiningStrategy.removeStrategy();
}
public boolean mayHaveDefaultJoinTable() {
return false;
}
// **************** resource => context ************************************
@Override
protected void initializeJoiningStrategies() {
this.mappedByJoiningStrategy.initialize();
this.primaryKeyJoinColumnJoiningStrategy.initialize();
this.joinTableJoiningStrategy.initialize();
// initialize join columns last, as the existence of a default join
// column is dependent on the other mechanisms (mappedBy, join table)
// not being specified
this.joinColumnJoiningStrategy.initialize();
}
@Override
protected void updateJoiningStrategies() {
this.mappedByJoiningStrategy.update();
this.primaryKeyJoinColumnJoiningStrategy.update();
this.joinTableJoiningStrategy.update();
// update join columns last, as the existence of a default join
// column is dependent on the other mechanisms (mappedBy, join table)
// not being specified
this.joinColumnJoiningStrategy.update();
}
// **************** Validation *********************************************
@Override
public void validate(List<IMessage> messages, IReporter reporter, CompilationUnit astRoot) {
super.validate(messages, reporter, astRoot);
this.mappedByJoiningStrategy.validate(messages, reporter, astRoot);
this.primaryKeyJoinColumnJoiningStrategy.validate(messages, reporter, astRoot);
this.joinColumnJoiningStrategy.validate(messages, reporter, astRoot);
this.joinTableJoiningStrategy.validate(messages, reporter, astRoot);
}
}
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