Subversion Repositories WebE

/* $Id: PersistenceUnit.java 11282 2007-03-14 22:05:59Z epbernard $

 * JBoss Inc

 *

 * Distributable under LGPL license.

 * See terms of license at gnu.org.

 */

package javax.persistence;

import java.lang.annotation.ElementType;

import java.lang.annotation.Retention;

import java.lang.annotation.RetentionPolicy;

import java.lang.annotation.Target;

/**

 * Expresses a dependency on an EntityManagerFactory.

 *

 * @author <a href="mailto:bill@jboss.org">Bill Burke</a>

 */

@Target({ElementType.TYPE, ElementType.METHOD, ElementType.FIELD})

@Retention(RetentionPolicy.RUNTIME)

public @interface PersistenceUnit {

        /**

         * The name by which the entity manager factory is to be accessed in the environment

         * referencing context, and is not needed when dependency injection is used.

         */

        String name() default "";

        /**

         * The name of the persistence unit as defined in the persistence.xml file. If specified, the

         * persistence unit for the entity manager factory that is accessible in JNDI must have the

         * same name.

         */

        String unitName() default "";

}