http://www.avaje.org/java8-parent/persistence-api: For open source java artifacts.
  • Rob Bygrave 
/*
 * Copyright (c) 2008, 2009, 2011 Oracle, Inc. 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.
 */
package javax.persistence;

import java.lang.annotation.Retention;
import java.lang.annotation.Target;

import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.RUNTIME;


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
/**
 * 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>
 * <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.

/**
   * (Optional) Whether or not the entity should be cached.
   */
  boolean value() default true;
}