Subversion Repositories WebE

//$Id:$

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

package javax.persistence;

import java.lang.annotation.Target;

import java.lang.annotation.Retention;

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

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

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

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

/**

 * This annotation is used to override a many-to-one or one-to-one mapping of property or field for

 * an entity relationship.

 * The AssociationOverride annotation may be applied to an entity that extends a mapped superclass

 * to override a many-to-one or one-to-one mapping defined by the mapped superclass. If the

 * AssociationOverride annotation is not specified, the join column is mapped the same as in

 * the original mapping.

 *

 * @author Emmanuel Bernard

 */

@Target({TYPE, METHOD, FIELD}) @Retention(RUNTIME)

public @interface AssociationOverride {

        /**

         * The name of the relationship property whose mapping is being overridden if property-based

         * access is being used, or the name of the relationship field if field-based access is used.

         */

        String name();

        /**

         * The join column that is being mapped to the persistent attribute.

         */

        JoinColumn[] joinColumns();

}