| /******************************************************************************* |
| * 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); |
| } |
| } |