javax.persistence.InheritanceType Maven / Gradle / Ivy
/*
* Copyright (c) 2008, 2009, 2011 Oracle, Inc. 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.
*/
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
}