/******************************************************************************* | |
* 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>PluralAttribute</code> represent | |
* persistent collection-valued attributes. | |
* | |
* @param <X> The type the represented collection belongs to | |
* @param <C> The type of the represented collection | |
* @param <E> The element type of the represented collection | |
* | |
* @since Java Persistence 2.0 | |
*/ | |
public interface PluralAttribute<X, C, E> | |
extends Attribute<X, C>, Bindable<E> { | |
public static enum CollectionType { | |
/** Collection-valued attribute */ | |
COLLECTION, | |
/** Set-valued attribute */ | |
SET, | |
/** List-valued attribute */ | |
LIST, | |
/** Map-valued attribute */ | |
MAP | |
} | |
/** | |
* Return the collection type. | |
* @return collection type | |
*/ | |
CollectionType getCollectionType(); | |
/** | |
* Return the type representing the element type of the | |
* collection. | |
* @return element type | |
*/ | |
Type<E> getElementType(); | |
} |