jpa/plugins/org.eclipse.jpt.ui/src/org/eclipse/jpt/ui/internal/mappings/details/JoinColumnInJoinTableStateObject.java

/*******************************************************************************
 * 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 org.eclipse.jpt.core.internal.context.base.IJoinColumn;
import org.eclipse.jpt.core.internal.context.base.IJoinTable;
import org.eclipse.jpt.core.internal.context.base.IMultiRelationshipMapping;
import org.eclipse.jpt.db.internal.Table;

/**
 * @version 2.0
 * @since 2.0
 */
public class JoinColumnInJoinTableStateObject extends AbstractJoinColumnStateObject
{
	private IJoinTable joinTable;

	/**
	 * Creates a new <code>JoinColumnInJoinTableStateObject</code>.
	 *
	 * @param joinColumn
	 */
	public JoinColumnInJoinTableStateObject(IJoinColumn joinColumn) {
		super(joinColumn);
	}

	/**
	 * Creates a new <code>JoinColumnInJoinTableStateObject</code>.
	 *
	 * @param joinTable
	 */
	public JoinColumnInJoinTableStateObject(IJoinTable joinTable) {
		super();
		this.joinTable = joinTable;
	}

	/*
	 * (non-Javadoc)
	 */
	@Override
	public IJoinColumn getJoinColumn() {
		return (IJoinColumn) super.getJoinColumn();
	}

	public final IJoinTable getJoinTable() {
		return joinTable;
	}

	/*
	 * (non-Javadoc)
	 */
	@Override
	public Table getNameTable() {
		if (getJoinColumn() == null) {
			return null;
		}

		return joinTable.dbTable();
	}

	/*
	 * (non-Javadoc)
	 */
	@Override
	public Table getReferencedNameTable() {
		return relationshipMapping().typeMapping().primaryDbTable();
	}

	public IMultiRelationshipMapping relationshipMapping() {
		return (IMultiRelationshipMapping) joinTable.parent();
	}
}