/*
* Copyright (c) 2008, 2009 Sun Microsystems. 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 2.0 - Version 2.0 (October 1, 2009)
* Specification available from http://jcp.org/en/jsr/detail?id=317
*/
// $Id: SharedCacheMode.java 20957 2011-06-13 09:58:51Z stliu $
package javax.persistence;
/**
* Specifies how the provider must use a second-level cache for the
* persistence unit. Corresponds to the value of the <code>persistence.xml</code>
* <code>shared-cache-mode</code> element, and returned as the result of
* {@link javax.persistence.spi.PersistenceUnitInfo#getSharedCacheMode()}.
*
* @since Java Persistence 2.0
*/
public enum SharedCacheMode {
/**
* All entities and entity-related state and data are cached.
*/
ALL,
/**
* Caching is disabled for the persistence unit.
*/
NONE,
/**
* Caching is enabled for all entities for <code>Cacheable(true)</code>
* is specified. All other entities are not cached.
*/
ENABLE_SELECTIVE,
/**
* Caching is enabled for all entities except those for which
* <code>Cacheable(false) is specified. Entities for which
* <code>Cacheable(false) is specified are not cached.
*/
DISABLE_SELECTIVE,
/**
*
* Caching behavior is undefined: provider-specific defaults may apply.
*/
UNSPECIFIED
}