| /* |
| * Copyright (c) 2008, 2018 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // 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)</code> is specified. Entities for which |
| * <code>Cacheable(false)</code> is specified are not cached. |
| */ |
| DISABLE_SELECTIVE, |
| |
| /** |
| * |
| * Caching behavior is undefined: provider-specific defaults may apply. |
| */ |
| UNSPECIFIED |
| } |