/*
* 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 <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();
}