/******************************************************************************* | |
* Copyright (c) 2008 - 2013 Oracle Corporation. 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 2.1 | |
* Linda DeMichiel - Java Persistence 2.0 | |
* | |
******************************************************************************/ | |
package javax.persistence.metamodel; | |
/** | |
* Instances of the type <code>MapAttribute</code> represent | |
* persistent <code>java.util.Map</code>-valued attributes. | |
* | |
* @param <X> The type the represented Map belongs to | |
* @param <K> The type of the key of the represented Map | |
* @param <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. | |
* @return Java key type | |
*/ | |
Class<K> getKeyJavaType(); | |
/** | |
* Return the type representing the key type of the map. | |
* @return type representing key type | |
*/ | |
Type<K> getKeyType(); | |
} |