src/javax/persistence/criteria/PluralJoin.java

/*******************************************************************************
 * 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 - Proposed Final Draft, Version 2.0 (August 31, 2009)
 *     Specification available from http://jcp.org/en/jsr/detail?id=317
 *
 * Java(TM) Persistence API, Version 2.0 - EARLY ACCESS
 * This is an implementation of an early-draft specification developed under the 
 * Java Community Process (JCP).  The code is untested and presumed not to be a  
 * compatible implementation of JSR 317: Java(TM) Persistence API, Version 2.0.   
 * We encourage you to migrate to an implementation of the Java(TM) Persistence 
 * API, Version 2.0 Specification that has been tested and verified to be compatible 
 * as soon as such an implementation is available, and we encourage you to retain 
 * this notice in any implementation of Java(TM) Persistence API, Version 2.0 
 * Specification that you distribute.
 ******************************************************************************/
package javax.persistence.criteria;

import javax.persistence.metamodel.PluralAttribute;

/**
 * The <code>PluralJoin</code> interface defines functionality
 * that is common to joins to all collection types.  It is
 * not intended to be used directly in query construction.
 *
 * @param <Z> the source type
 * @param <C> the collection type
 * @param <E> the element type of the collection 
 *
 * @since Java Persistence 2.0
 */
public interface PluralJoin<Z, C, E> extends Join<Z, E> {

    /**
     * Return the metamodel representation for the collection-valued 
     * attribute corresponding to the join.
     * @return metamodel collection-valued attribute corresponding
     *         to the target of the join
     */
    PluralAttribute<? super Z, C, E> getModel();
}