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

//EJB3 Specification Copyright 2004-2006 Sun Microsystems, Inc.

package javax.persistence;

import java.lang.annotation.Retention;

import java.lang.annotation.Target;

import static java.lang.annotation.ElementType.*;

import static java.lang.annotation.RetentionPolicy.*;

/**

 * Designates a class whose mapping information is applied to the entities that inherit

 * from it. A mapped superclass has no separate table defined for it.

 *

 * A class designated with the MappedSuperclass annotation can be mapped in the same way as

 * an entity except that the mappings will apply only to its subclasses since no table exists

 * for the mapped superclass itself. When applied to the subclasses the inherited mappings will

 * apply in the context of the subclass tables. Mapping information may be overridden in such

 * subclasses by using the AttributeOverride and AssociationOverride annotations or corresponding *

 * XML elements.

 *  

 * @author Emmanuel Bernard

 */

@Target(TYPE) @Retention(RUNTIME)

public @interface MappedSuperclass {}