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Hibernate definition of the Java Persistence 2.0 (JSR 317) API.

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/*
 * 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: Cacheable.java 20957 2011-06-13 09:58:51Z stliu $

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 persistence.xml caching element
 * is ENABLE_SELECTIVE or DISABLE_SELECTIVE.
 * The value of the Cacheable annotation is inherited by
 * subclasses; it can be overridden by specifying
 * Cacheable on a subclass.
 *
 *  Cacheable(false) 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;
}