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 /*
  * Copyright (c) 2008, 2009 Sun Microsystems. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
  * which accompanies this distribution.
  * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
  * and the Eclipse Distribution License is available at
  * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *     Linda DeMichiel - Java Persistence 2.0 - Version 2.0 (October 1, 2009)
 *     Specification available from http://jcp.org/en/jsr/detail?id=317
 */
// $Id: $
package javax.persistence.metamodel;

Instances of the type MapAttribute represent persistent java.util.Map-valued attributes.

Parameters:
<X> The type the represented Map belongs to
<K> The type of the key of the represented Map
<V> The type of the value of the represented Map
Since:
Java Persistence 2.0
public interface MapAttribute<X, K, V> extends PluralAttribute<X, java.util.Map<K, V>, V> {
Return the Java type of the map key.

Returns:
Java key type
Return the type representing the key type of the map.

Returns:
type representing key type
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