| /* |
| * Copyright (c) 1998, 2021 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: |
| // 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. |
| */ |
| @Override |
| 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 |
| */ |
| @Override |
| 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. |
| */ |
| @Override |
| 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. |
| */ |
| @Override |
| 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. |
| */ |
| @Override |
| public void setIdentityMapManager(IdentityMapManager identityMapManager) { |
| } |
| } |