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/*******************************************************************************
* Copyright (c) 2008 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.mappings.details;
import java.util.ListIterator;
import org.eclipse.jpt.core.context.Entity;
import org.eclipse.jpt.core.context.PrimaryKeyJoinColumn;
import org.eclipse.jpt.db.Table;
import org.eclipse.jpt.utility.internal.iterators.SingleElementListIterator;
/**
* The state object used to create or edit a primary key join column on an
* entity.
*
* @see PrimaryKeyJoinColumn
* @see Entity
* @see PrimaryKeyJoinColumnDialog
* @see PrimaryKeyJoinColumnDialogPane
*
* @version 2.0
* @since 2.0
*/
public class PrimaryKeyJoinColumnStateObject extends BaseJoinColumnStateObject
{
/**
* Creates a new <code>PrimaryKeyJoinColumnStateObject</code>.
*
* @param entity The owner of the join column to create or where it is
* located
* @param joinColumn The join column to edit or <code>null</code> if this is
* used to create a new one
*/
public PrimaryKeyJoinColumnStateObject(Entity entity,
PrimaryKeyJoinColumn joinColumn) {
super(entity, joinColumn);
}
/*
* (non-Javadoc)
*/
@Override
public String getDefaultTable() {
return null;
}
/*
* (non-Javadoc)
*/
@Override
public PrimaryKeyJoinColumn getJoinColumn() {
return (PrimaryKeyJoinColumn) super.getJoinColumn();
}
/*
* (non-Javadoc)
*/
@Override
public Table getNameTable() {
return getOwner().getPrimaryDbTable();
}
/*
* (non-Javadoc)
*/
@Override
public Entity getOwner() {
return (Entity) super.getOwner();
}
/*
* (non-Javadoc)
*/
@Override
public Table getReferencedNameTable() {
return getOwner().getParentEntity().getPrimaryDbTable();
}
/*
* (non-Javadoc)
*/
@Override
protected String initialTable() {
return getOwner().getTableName();
}
/*
* (non-Javadoc)
*/
@Override
public ListIterator<String> tables() {
return new SingleElementListIterator<String>(initialTable());
}
}
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