org.eclipse.persistence.queries.QueryRedirectorHelper Maven / Gradle / Ivy
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/*
* Copyright (c) 1998, 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:
// 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;
/**
* Purpose:
* 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);
}
}