/******************************************************************************* | |
* 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; | |
/** | |
* 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 | |
} |