/******************************************************************************* * Copyright (c) 2010, 2011 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.core.context; /** * Join column relationship
* Provisional API: This interface is part of an interim API that is still
* under development and expected to change significantly before reaching
* stability. It is available at this early stage to solicit feedback from
* pioneering adopters on the understanding that any code that uses this API
* will almost certainly be broken (repeatedly) as the API evolves.
*
* @see RelationshipMapping
* @see Relationship
* @see JoinColumn
*/
public interface ReadOnlyJoinColumnRelationship
extends ReadOnlyRelationship
{
/**
* Return the (never null
) strategy used to configure
* the relationship's join column strategy.
*/
ReadOnlyJoinColumnRelationshipStrategy getJoinColumnStrategy();
/**
* Return whether the join column strategy is the
* relationship's current strategy.
*/
boolean strategyIsJoinColumn();
/**
* Return whether this relationship may potentially have a default join
* column. For example, a 1-1 mapping may have a default join column
* if it does not specify a "mapped by" attribute or a join table;
* but a 1-M mapping does not support a default join column in any
* situation.
*/
boolean mayHaveDefaultJoinColumn();
}