/******************************************************************************* | |
* 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.internal.sessions; | |
import org.eclipse.persistence.internal.identitymaps.*; | |
import org.eclipse.persistence.internal.sessions.IdentityMapAccessor; | |
import org.eclipse.persistence.sessions.broker.*; | |
import java.util.*; | |
/** | |
* INTERNAL: | |
* Subclass of IdentityMapAccessor for Session brokers | |
* Overrides some identiy map initialization code | |
*/ | |
public class SessionBrokerIdentityMapAccessor extends IdentityMapAccessor { | |
public SessionBrokerIdentityMapAccessor(AbstractSession session, IdentityMapManager identityMapManager) { | |
super(session, identityMapManager); | |
} | |
/** | |
* INTERNAL: | |
* Reset the entire object cache. | |
* This method blows away both this session's and its parents caches, including the server cache or any other cache. | |
* This throws away any objects that have been read in. | |
* Extream caution should be used before doing this because object identity will no longer | |
* be maintained for any objects currently read in. This should only be called | |
* if the application knows that it no longer has references to object held in the cache. | |
*/ | |
public void initializeAllIdentityMaps() { | |
for (Iterator sessionEnum = ((SessionBroker)session).getSessionsByName().values().iterator(); | |
sessionEnum.hasNext();) { | |
AbstractSession session = (AbstractSession)sessionEnum.next(); | |
session.getIdentityMapAccessorInstance().initializeAllIdentityMaps(); | |
} | |
super.initializeAllIdentityMaps(); | |
} | |
/** | |
* INTERNAL: | |
* Reset the entire local object caches. | |
* This throws away any objects that have been read in. | |
* Extream caution should be used before doing this because object identity will no longer | |
* be maintained for any objects currently read in. This should only be called | |
* if the application knows that it no longer has references to object held in the cache. | |
*/ | |
public void initializeIdentityMaps() { | |
for (Iterator sessionEnum = ((SessionBroker)session).getSessionsByName().values().iterator(); | |
sessionEnum.hasNext();) { | |
AbstractSession session = (AbstractSession)sessionEnum.next(); | |
session.getIdentityMapAccessorInstance().initializeIdentityMaps(); | |
} | |
super.initializeIdentityMaps(); | |
} | |
} |