| /******************************************************************************* |
| * 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 table relationship<ul> |
| * <li>1:1 (JPA 2.0) |
| * <li>1:m |
| * <li>m:1 (JPA 2.0) |
| * <li>m:m |
| * <li>association override (JPA 2.0) |
| * </ul> |
| * <p> |
| * 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. |
| */ |
| public interface ReadOnlyJoinTableRelationship |
| extends ReadOnlyRelationship |
| { |
| /** |
| * Return the (never <code>null</code>) strategy used to configure |
| * the relationship's join table strategy. |
| */ |
| ReadOnlyJoinTableRelationshipStrategy getJoinTableStrategy(); |
| |
| /** |
| * Return whether the join table strategy is the |
| * relationship's current strategy. |
| */ |
| boolean strategyIsJoinTable(); |
| |
| /** |
| * Return whether this relationship may potentially have a default join |
| * table. For example, a M-M mapping may have a default join table |
| * if it does not specify a "mapped by" attribute or a join table; |
| * but a M-1 mapping does not support a default join table in any |
| * situation. |
| */ |
| boolean mayHaveDefaultJoinTable(); |
| } |
