javax.persistence.metamodel.MapAttribute Maven / Gradle / Ivy
// $Id: $
// EJB3 Specification Copyright 2004-2009 Sun Microsystems, Inc.
package javax.persistence.metamodel;
/**
* Instances of the type MapAttribute represent
* persistent java.util.Map-valued attributes.
*
* @param The type the represented Map belongs to
* @param The type of the key of the represented Map
* @param The type of the value of the represented Map
* @since Java Persistence 2.0
*/
public interface MapAttribute extends PluralAttribute, V> {
/**
* Return the Java type of the map key.
*
* @return Java key type
*/
Class getKeyJavaType();
/**
* Return the type representing the key type of the map.
*
* @return type representing key type
*/
Type getKeyType();
}