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//$Id: IdClass.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.TYPE;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
/**
* Specifies a composite primary key class that is mapped to multiple fields or properties
* of the entity.
*
* The names of the fields or properties in the primary key class and the primary key fields
* or properties of the entity must correspond and their types must be the same.
*
* @author Emmanuel Bernard
*/
@
Target({TYPE
}) @
Retention(RUNTIME
)
public @
interface IdClass
{
/**
* Primary key class
*/
Class value
();
}