| /* |
| * Copyright (c) 2008, 2018 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // 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(); |
| } |