| /******************************************************************************* |
| * 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.JoinColumn; |
| import org.eclipse.jpt.core.context.JoinTable; |
| import org.eclipse.jpt.core.context.RelationshipMapping; |
| import org.eclipse.jpt.db.Schema; |
| 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 a join |
| * table. |
| * |
| * @see JoinColumn |
| * @see JoinTable |
| * @see InverseJoinColumnInJoinTableDialog |
| * |
| * @version 2.0 |
| * @since 2.0 |
| */ |
| public class InverseJoinColumnInJoinTableStateObject |
| extends JoinColumnStateObject |
| { |
| /** |
| * Creates a new <code>JoinColumnInJoinTableStateObject</code>. |
| * |
| * @param joinTable |
| * @param joinColumn Either the join column to edit or <code>null</code> if |
| * this state object is used to create a new one |
| */ |
| public InverseJoinColumnInJoinTableStateObject( |
| JoinTable joinTable, |
| JoinColumn joinColumn) { |
| super(joinTable, joinColumn); |
| } |
| |
| |
| @Override |
| public JoinTable getOwner() { |
| return (JoinTable) super.getOwner(); |
| } |
| |
| private RelationshipMapping getRelationshipMapping() { |
| return getOwner().getRelationshipMapping(); |
| } |
| |
| @Override |
| public String getDefaultTable() { |
| return null; |
| } |
| |
| @Override |
| public Table getNameTable() { |
| return getOwner().getDbTable(); |
| } |
| |
| @Override |
| public Table getReferencedNameTable() { |
| Entity targetEntity = getRelationshipMapping().getResolvedTargetEntity(); |
| if (targetEntity == null) { |
| return null; |
| } |
| return targetEntity.getPrimaryDbTable(); |
| } |
| |
| @Override |
| protected Schema getDbSchema() { |
| return null; |
| } |
| |
| @Override |
| protected String getInitialTable() { |
| return getOwner().getName(); |
| } |
| |
| @Override |
| protected boolean isTableEditable() { |
| return false; |
| } |
| |
| @Override |
| public ListIterator<String> tables() { |
| return new SingleElementListIterator<String>(getInitialTable()); |
| } |
| } |