/******************************************************************************* | |
* Copyright (c) 1998, 2013 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 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: | |
* Oracle - initial API and implementation from Oracle TopLink | |
******************************************************************************/ | |
package org.eclipse.persistence.mappings.querykeys; | |
import org.eclipse.persistence.descriptors.ClassDescriptor; | |
import org.eclipse.persistence.internal.helper.DatabaseTable; | |
/** | |
* <p> | |
* <b>Purpose</b>:Represents a direct collection join query. | |
*/ | |
public class DirectCollectionQueryKey extends ForeignReferenceQueryKey { | |
/** | |
* INTERNAL: | |
* override the isCollectionQueryKey() method in the superclass to return true. | |
* @return boolean | |
*/ | |
public boolean isCollectionQueryKey() { | |
return true; | |
} | |
/** | |
* INTERNAL: | |
* override the isDirectCollectionQueryKey() method in the superclass to return true. | |
* @return boolean | |
*/ | |
public boolean isDirectCollectionQueryKey() { | |
return true; | |
} | |
/** | |
* PUBLIC: | |
* Returns the reference table. | |
*/ | |
public DatabaseTable getRelationTable(ClassDescriptor referenceDescriptor) { | |
return null; | |
} | |
} |