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//$Id: AttributeOverride.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.RetentionPolicy.*;

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

/**

 * The AttributeOverride annotation is used to override the mapping of a Basic (whether explicit

 * or default) property or field or Id property or field.

 *

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

 * or to an embedded field or property to override a basic mapping defined by the mapped superclass

 * or embeddable class. If the AttributeOverride annotation is not specified, the column is mapped

 * the same as in the original mapping.

 *

 * @author Emmanuel Bernard

 */

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

public @interface AttributeOverride {

        /**

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

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

         */

        String name();

        /**

         * The column that is being mapped to the persistent attribute

         */

        Column column();

}