/*
* 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: Fetch.java 20957 2011-06-13 09:58:51Z stliu $
package javax.persistence.criteria;
import javax.persistence.metamodel.Attribute;
/**
* Represents a join-fetched association or attribute.
*
* @param <Z> the source type of the fetch
* @param <X> the target type of the fetch
* @since Java Persistence 2.0
*/
public interface Fetch<Z, X> extends FetchParent<Z, X> {
/**
* Return the metamodel attribute corresponding to the
* fetch join.
*
* @return metamodel attribute for the join
*/
Attribute<? super Z, ?> getAttribute();
/**
* Return the parent of the fetched item.
*
* @return fetch parent
*/
FetchParent<?, Z> getParent();
/**
* Return the join type used in the fetch join.
*
* @return join type
*/
JoinType getJoinType();
}