| /* |
| * 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.sessions.coordination; |
| |
| import org.eclipse.persistence.internal.sessions.*; |
| |
| /** |
| * <p> |
| * <b>Purpose</b>: Provide a remote command implementation for remote cache |
| * merges of changes. |
| * </p><p> |
| * <b>Description</b>: This command provides the implementation for cache |
| * synchronization using RCM. |
| * </p> |
| * @author Steven Vo |
| * @since OracleAS TopLink 10<i>g</i> (9.0.4) |
| * |
| */ |
| public class MergeChangeSetCommand extends Command { |
| |
| /** The changes to be applied remotely */ |
| protected UnitOfWorkChangeSet changeSet; |
| |
| /** |
| * INTERNAL: |
| * Return the changes to be applied |
| */ |
| public UnitOfWorkChangeSet getChangeSet(AbstractSession session) { |
| return changeSet; |
| } |
| |
| /** |
| * INTERNAL: |
| * Set the changes to be applied |
| */ |
| public void setChangeSet(UnitOfWorkChangeSet newChangeSet) { |
| changeSet = newChangeSet; |
| } |
| |
| /** |
| * INTERNAL: |
| * This method will be invoked by the RCM only when the CommandProcessor is a |
| * TopLink session. The session will be passed in for the command to use. |
| */ |
| @Override |
| public void executeWithSession(AbstractSession session) { |
| MergeManager manager = new MergeManager(session); |
| manager.mergeIntoDistributedCache(); |
| manager.setCascadePolicy(MergeManager.CASCADE_ALL_PARTS); |
| |
| // Do the main merge |
| manager.mergeChangesFromChangeSet(getChangeSet(session)); |
| } |
| } |