/******************************************************************************* | |
* 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: | |
* Gordon Yorke - EclipseLink Interceptors work (ER 219683) | |
******************************************************************************/ | |
package org.eclipse.persistence.queries; | |
import org.eclipse.persistence.internal.sessions.AbstractRecord; | |
import org.eclipse.persistence.internal.sessions.AbstractSession; | |
import org.eclipse.persistence.sessions.Record; | |
import org.eclipse.persistence.sessions.Session; | |
/** | |
* <p><b>Purpose:</b> | |
* The purpose of this class is to provide the query redirector with some helper methods for | |
* general EclipseLink operations (such as checking a query against the cache) which may not | |
* occur because the query is being redirected. | |
* | |
* @author Gordon Yorke | |
* | |
*/ | |
public class QueryRedirectorHelper { | |
/** | |
* This method will cause EclipseLink to check the EclipseLink cache for the object. EclipseLink | |
* always checks the shared cache before executing a query but because the query has been redirected | |
* in this case the cache check has also been redirected. Through this method the redirector can have | |
* EclipseLink check the cache in the normal manner. | |
*/ | |
public static Object checkEclipseLinkCache(DatabaseQuery query, Record record, Session session){ | |
return query.checkEarlyReturn((AbstractSession)session, (AbstractRecord)record); | |
} | |
} |