Java tutorial
/******************************************************************************* * Copyright (c) 2008 - 2013 Oracle Corporation. All rights reserved. * * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 * which accompanies this distribution. * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html * and the Eclipse Distribution License is available at * http://www.eclipse.org/org/documents/edl-v10.php. * * Contributors: * Linda DeMichiel - Java Persistence 2.1 * Linda DeMichiel - Java Persistence 2.0 * ******************************************************************************/ package javax.persistence; /** * Defines inheritance strategy options. * * @since Java Persistence 1.0 */ public enum InheritanceType { /** A single table per class hierarchy. */ SINGLE_TABLE, /** A table per concrete entity class. */ TABLE_PER_CLASS, /** * A strategy in which fields that are specific to a * subclass are mapped to a separate table than the fields * that are common to the parent class, and a join is * performed to instantiate the subclass. */ JOINED }