001/*
002 * Copyright (c) 2008, 2009, 2011 Oracle, Inc. All rights reserved.
003 *
004 * This program and the accompanying materials are made available under the
005 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
006 * which accompanies this distribution.  The Eclipse Public License is available
007 * at http://www.eclipse.org/legal/epl-v10.html and the Eclipse Distribution License
008 * is available at http://www.eclipse.org/org/documents/edl-v10.php.
009 */
010package javax.persistence;
011
012/**
013 * Defines inheritance strategy options.
014 *
015 * @since Java Persistence 1.0
016 */
017public enum InheritanceType {
018
019  /**
020   * A single table per class hierarchy.
021   */
022  SINGLE_TABLE,
023
024  /**
025   * A table per concrete entity class.
026   */
027  TABLE_PER_CLASS,
028
029  /**
030   * A strategy in which fields that are specific to a
031   * subclass are mapped to a separate table than the fields
032   * that are common to the parent class, and a join is
033   * performed to instantiate the subclass.
034   */
035  JOINED
036}