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/*******************************************************************************
* Copyright (c) 2008, 2009 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.ui.internal.details;
import org.eclipse.jpt.core.context.Entity;
import org.eclipse.jpt.core.context.JoinColumn;
import org.eclipse.jpt.core.context.JoinColumnJoiningStrategy;
import org.eclipse.jpt.core.context.RelationshipMapping;
import org.eclipse.jpt.core.context.RelationshipReference;
import org.eclipse.jpt.core.context.TypeMapping;
import org.eclipse.jpt.db.Schema;
import org.eclipse.jpt.db.Table;
/**
* The state object used to create or edit a primary key join column on a
* relationship mapping.
*
* @see JoinColumn
* @see JoinColumnJoiningStrategy
* @see JoinColumnInJoiningStrategyDialog
*
* @version 3.0
* @since 2.0
*/
public class JoinColumnInJoiningStrategyStateObject
extends JoinColumnStateObject
{
/**
* Creates a new <code>JoinColumnInJoiningStrategyStateObject</code>.
*
* @param joiningStrategy The owner of the join column to create
* @param joinColumn The join column to edit or <code>null</code> if this is
* used to create a new one
*/
public JoinColumnInJoiningStrategyStateObject(
JoinColumnJoiningStrategy joiningStrategy,
JoinColumn joinColumn) {
super(joiningStrategy, joinColumn);
}
@Override
public JoinColumnJoiningStrategy getOwner() {
return (JoinColumnJoiningStrategy) super.getOwner();
}
private RelationshipReference getRelationshipReference() {
return getOwner().getRelationshipReference();
}
private RelationshipMapping getRelationshipMapping() {
return getRelationshipReference().getRelationshipMapping();
}
private TypeMapping getTypeMapping() {
return getOwner().getTypeMapping();
}
@Override
public String getDefaultTable() {
JoinColumn joinColumn = getJoinColumn();
if (joinColumn != null) {
return joinColumn.getDefaultTable();
}
return getTypeMapping().getPrimaryTableName();
}
@Override
public Table getNameTable() {
Schema schema = this.getDbSchema();
if (schema == null) {
return null;
}
String tableIdentifier = this.getTable();
if (tableIdentifier == null) {
tableIdentifier = this.getDefaultTable();
}
return schema.getTableForIdentifier(tableIdentifier);
}
@Override
public Table getReferencedNameTable() {
RelationshipMapping relationshipMapping = getRelationshipMapping();
if (relationshipMapping == null){
return null;
}
Entity targetEntity = relationshipMapping.getResolvedTargetEntity();
if (targetEntity != null) {
return targetEntity.getPrimaryDbTable();
}
return null;
}
@Override
public Schema getDbSchema() {
return getTypeMapping().getDbSchema();
}
}
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