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/*******************************************************************************
* 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.Iterator;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.common.core.utility.TextRange;
import org.eclipse.jpt.common.utility.internal.iterators.SubIteratorWrapper;
import org.eclipse.jpt.jpa.core.context.Entity;
import org.eclipse.jpt.jpa.core.context.JoinColumn;
import org.eclipse.jpt.jpa.core.context.NamedColumn;
import org.eclipse.jpt.jpa.core.context.PersistentAttribute;
import org.eclipse.jpt.jpa.core.context.ReadOnlyBaseJoinColumn;
import org.eclipse.jpt.jpa.core.context.RelationshipMapping;
import org.eclipse.jpt.jpa.core.context.TypeMapping;
import org.eclipse.jpt.jpa.core.context.java.JavaJoinColumn;
import org.eclipse.jpt.jpa.core.context.java.JavaMappingJoinColumnRelationship;
import org.eclipse.jpt.jpa.core.internal.context.JoinColumnTextRangeResolver;
import org.eclipse.jpt.jpa.core.internal.context.JptValidator;
import org.eclipse.jpt.jpa.core.internal.context.NamedColumnTextRangeResolver;
import org.eclipse.jpt.jpa.core.internal.jpa1.context.EntityTableDescriptionProvider;
import org.eclipse.jpt.jpa.core.internal.jpa1.context.JoinColumnValidator;
import org.eclipse.jpt.jpa.core.internal.resource.java.NullJoinColumnAnnotation;
import org.eclipse.jpt.jpa.core.internal.validation.JpaValidationDescriptionMessages;
import org.eclipse.jpt.jpa.core.resource.java.JavaResourcePersistentAttribute;
import org.eclipse.jpt.jpa.core.resource.java.JoinColumnAnnotation;
import org.eclipse.jpt.jpa.core.resource.java.JoinColumnsAnnotation;
import org.eclipse.jpt.jpa.core.resource.java.NestableAnnotation;
import org.eclipse.jpt.jpa.db.Table;
public class GenericJavaMappingJoinColumnRelationshipStrategy
extends AbstractJavaJoinColumnRelationshipStrategy
{
protected final boolean targetForeignKey;
/**
* The default strategy is for a "source" foreign key.
*/
public GenericJavaMappingJoinColumnRelationshipStrategy(JavaMappingJoinColumnRelationship parent) {
this(parent, false);
}
public GenericJavaMappingJoinColumnRelationshipStrategy(JavaMappingJoinColumnRelationship parent, boolean targetForeignKey) {
super(parent);
this.targetForeignKey = targetForeignKey;
}
// ********** join column annotations **********
@Override
protected Iterator<JoinColumnAnnotation> joinColumnAnnotations() {
return new SubIteratorWrapper<NestableAnnotation, JoinColumnAnnotation>(this.joinColumnAnnotations_());
}
protected Iterator<NestableAnnotation> joinColumnAnnotations_() {
return this.getResourcePersistentAttribute().annotations(JoinColumnAnnotation.ANNOTATION_NAME, JoinColumnsAnnotation.ANNOTATION_NAME);
}
@Override
protected JoinColumnAnnotation addJoinColumnAnnotation(int index) {
return (JoinColumnAnnotation) this.getResourcePersistentAttribute().addAnnotation(index, JoinColumnAnnotation.ANNOTATION_NAME, JoinColumnsAnnotation.ANNOTATION_NAME);
}
@Override
protected void removeJoinColumnAnnotation(int index) {
this.getResourcePersistentAttribute().removeAnnotation(index, JoinColumnAnnotation.ANNOTATION_NAME, JoinColumnsAnnotation.ANNOTATION_NAME);
}
@Override
protected void moveJoinColumnAnnotation(int targetIndex, int sourceIndex) {
this.getResourcePersistentAttribute().moveAnnotation(targetIndex, sourceIndex, JoinColumnsAnnotation.ANNOTATION_NAME);
}
@Override
protected JoinColumnAnnotation buildNullJoinColumnAnnotation() {
return new NullJoinColumnAnnotation(this.getResourcePersistentAttribute());
}
// ********** misc **********
protected JavaResourcePersistentAttribute getResourcePersistentAttribute() {
return this.getRelationship().getMapping().getResourcePersistentAttribute();
}
@Override
public JavaMappingJoinColumnRelationship getRelationship() {
return (JavaMappingJoinColumnRelationship) super.getRelationship();
}
@Override
protected JavaJoinColumn.Owner buildJoinColumnOwner() {
return new JoinColumnOwner();
}
public boolean isOverridable() {
return true;
}
public TypeMapping getRelationshipSource() {
RelationshipMapping mapping = this.getRelationshipMapping();
return this.targetForeignKey ?
mapping.getResolvedTargetEntity() :
mapping.getTypeMapping();
}
public TypeMapping getRelationshipTarget() {
RelationshipMapping mapping = this.getRelationshipMapping();
return this.targetForeignKey ?
mapping.getTypeMapping() :
mapping.getResolvedTargetEntity();
}
protected Entity getRelationshipTargetEntity() {
TypeMapping target = this.getRelationshipTarget();
return (target instanceof Entity) ? (Entity) target : null;
}
public boolean isTargetForeignKey() {
return this.targetForeignKey;
}
// ********** validation **********
public String getColumnTableNotValidDescription() {
return JpaValidationDescriptionMessages.NOT_VALID_FOR_THIS_ENTITY;
}
public TextRange getValidationTextRange(CompilationUnit astRoot) {
return this.getRelationship().getValidationTextRange(astRoot);
}
// ********** join column owner **********
protected class JoinColumnOwner
implements JavaJoinColumn.Owner
{
protected JoinColumnOwner() {
super();
}
/**
* by default, the join column is in the type mapping's primary table
*/
public String getDefaultTableName() {
return GenericJavaMappingJoinColumnRelationshipStrategy.this.getTableName();
}
public String getDefaultColumnName() {
//built in MappingTools.buildJoinColumnDefaultName()
return null;
}
public String getAttributeName() {
return GenericJavaMappingJoinColumnRelationshipStrategy.this.getRelationshipMapping().getName();
}
public PersistentAttribute getPersistentAttribute() {
return GenericJavaMappingJoinColumnRelationshipStrategy.this.getRelationshipMapping().getPersistentAttribute();
}
public TypeMapping getTypeMapping() {
return GenericJavaMappingJoinColumnRelationshipStrategy.this.getRelationshipSource();
}
public Entity getRelationshipTarget() {
return GenericJavaMappingJoinColumnRelationshipStrategy.this.getRelationshipTargetEntity();
}
public boolean tableNameIsInvalid(String tableName) {
return GenericJavaMappingJoinColumnRelationshipStrategy.this.tableNameIsInvalid(tableName);
}
/**
* the join column can be on a secondary table
*/
public Iterator<String> candidateTableNames() {
return GenericJavaMappingJoinColumnRelationshipStrategy.this.candidateTableNames();
}
public Table resolveDbTable(String tableName) {
return GenericJavaMappingJoinColumnRelationshipStrategy.this.resolveDbTable(tableName);
}
public Table getReferencedColumnDbTable() {
return GenericJavaMappingJoinColumnRelationshipStrategy.this.getReferencedColumnDbTable();
}
public boolean joinColumnIsDefault(ReadOnlyBaseJoinColumn joinColumn) {
return GenericJavaMappingJoinColumnRelationshipStrategy.this.defaultJoinColumn == joinColumn;
}
public int joinColumnsSize() {
return GenericJavaMappingJoinColumnRelationshipStrategy.this.joinColumnsSize();
}
public TextRange getValidationTextRange(CompilationUnit astRoot) {
return GenericJavaMappingJoinColumnRelationshipStrategy.this.getValidationTextRange(astRoot);
}
public JptValidator buildColumnValidator(NamedColumn column, NamedColumnTextRangeResolver textRangeResolver) {
return new JoinColumnValidator((JoinColumn) column, this, (JoinColumnTextRangeResolver) textRangeResolver, new EntityTableDescriptionProvider());
}
}
}
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