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; import static java.lang.annotation.ElementType.TYPE; import static java.lang.annotation.RetentionPolicy.RUNTIME; import java.lang.annotation.Retention; import java.lang.annotation.Target; /** * Specifies whether an entity should be cached if caching is enabled * when the value of the <code>persistence.xml</code> caching element * is <code>ENABLE_SELECTIVE</code> or <code>DISABLE_SELECTIVE</code>. * The value of the <code>Cacheable</code> annotation is inherited by * subclasses; it can be overridden by specifying * <code>Cacheable</code> on a subclass. * * <p> <code>Cacheable(false)</code> means that the entity and its state must * not be cached by the provider. * * @since Java Persistence 2.0 */ @Target({ TYPE }) @Retention(RUNTIME) public @interface Cacheable { /** * (Optional) Whether or not the entity should be cached. */ boolean value() default true; }