/******************************************************************************* | |
* 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.server.*; | |
/** | |
* INTERNAL: | |
* IdentityMapAccessor subclass for client sessions. | |
* Note: A client session will always use it's parent session's IdentityMapManager | |
*/ | |
public class ClientSessionIdentityMapAccessor extends IdentityMapAccessor { | |
/** | |
* INTERNAL: | |
* Create a ClientSessionIdentityMapAccessor | |
* Since the parent session's identity map manager is used, an IdentityMapManager | |
* does not need to be supplied to the constructor | |
*/ | |
public ClientSessionIdentityMapAccessor(ClientSession session) { | |
super(session, null); | |
} | |
/** | |
* INTERNAL: | |
* Was PUBLIC: customer will be redirected to {@link org.eclipse.persistence.sessions.Session}. | |
* 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. | |
* Extreme 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() { | |
((ClientSession)session).getParent().getIdentityMapAccessor().initializeAllIdentityMaps(); | |
} | |
/** | |
* INTERNAL: | |
* Return the IdentityMapManager for the client session. | |
* This overrides the IdentityMapAccessor version of getIdentityMapManager to | |
* return the parent session's IdentityMapManager | |
*/ | |
public IdentityMapManager getIdentityMapManager() { | |
return ((ClientSession)session).getParent().getIdentityMapAccessorInstance().getIdentityMapManager(); | |
} | |
/** | |
* INTERNAL: | |
* The client session does not have a local identity map, so this has no effect and should not be used. | |
*/ | |
public void initializeIdentityMap(Class theClass) { | |
// Do nothing | |
} | |
/** | |
* INTERNAL: | |
* The client session does not have a local identity map, so this has no effect and should not be used. | |
*/ | |
public void initializeIdentityMaps() { | |
// Do nothing | |
} | |
/** | |
* INTERNAL: | |
* The identity map manager cannot be set on a client session since it | |
* looks at it's parent session's identity map manager. | |
*/ | |
public void setIdentityMapManager(IdentityMapManager identityMapManager) { | |
} | |
} |