javax.persistence.metamodel.MapAttribute Maven / Gradle / Ivy
/*******************************************************************************
* 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 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();
}