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/*******************************************************************************
* Copyright (c) 2008, 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.jpa.ui.internal.details;
import java.util.ListIterator;
import org.eclipse.jpt.common.utility.internal.CollectionTools;
import org.eclipse.jpt.jpa.core.context.JoinColumn;
import org.eclipse.jpt.jpa.core.context.JoinColumnRelationshipStrategy;
import org.eclipse.jpt.jpa.core.context.ReadOnlyJoinColumn;
import org.eclipse.jpt.jpa.core.context.ReadOnlyJoinColumnRelationshipStrategy;
import org.eclipse.jpt.jpa.core.context.TypeMapping;
import org.eclipse.jpt.jpa.db.Schema;
import org.eclipse.jpt.jpa.db.Table;
/**
* The state object used to create or edit a primary key join column on a
* relationship mapping.
*
* @see JoinColumn
* @see JoinColumnRelationshipStrategy
* @see JoinColumnInJoiningStrategyDialog
*
* @version 2.3
* @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(
ReadOnlyJoinColumnRelationshipStrategy joiningStrategy,
ReadOnlyJoinColumn joinColumn) {
super(joiningStrategy, joinColumn);
}
@Override
public JoinColumnRelationshipStrategy getOwner() {
return (JoinColumnRelationshipStrategy) super.getOwner();
}
@Override
public ListIterator<String> tables() {
Schema schema = getDbSchema();
return schema == null ? super.tables() : CollectionTools.list(schema.getSortedTableIdentifiers()).listIterator();
}
protected Schema getDbSchema() {
TypeMapping typeMapping = getRelationshipSource();
return typeMapping == null ? null : typeMapping.getDbSchema();
}
protected TypeMapping getRelationshipSource() {
return getOwner().getRelationshipSource();
}
protected TypeMapping getRelationshipTarget() {
return getOwner().getRelationshipTarget();
}
@Override
public String getDefaultTable() {
JoinColumn joinColumn = getJoinColumn();
if (joinColumn != null) {
return joinColumn.getDefaultTable();
}
TypeMapping typeMapping = getRelationshipSource();
return typeMapping == null ? null : typeMapping.getPrimaryTableName();
}
@Override
public Table getNameTable() {
TypeMapping typeMapping = getRelationshipSource();
return typeMapping == null ? null : typeMapping.getPrimaryDbTable();
}
@Override
public Table getReferencedNameTable() {
TypeMapping relationshipTarget = getRelationshipTarget();
return relationshipTarget == null ? null : relationshipTarget.getPrimaryDbTable();
}
}
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