/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2009, Red Hat Middleware LLC, and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.jboss.system.server.profileservice.repository.clustered.sync;

import org.jboss.system.server.profileservice.repository.clustered.metadata.RepositoryContentMetadata;
import org.jboss.system.server.profileservice.repository.clustered.metadata.RepositoryItemMetadata;

/**
 * {@link SynchronizationPolicy} that does not accept any changes.
 *
 * @author Brian Stansberry
 * 
 * @version $Revision: $
 */
public class ImmutableSynchronizationPolicy implements SynchronizationPolicy
{
   /** 
    * Always returns <code>false</code>
    * 
    * {@inheritDoc}
    * 
    * @return <code>false</code>
    * */
   public boolean acceptJoinAddition(RepositoryItemMetadata toAdd, RepositoryItemMetadata joinersPrevious)
   {
      return false;
   }

   /** 
    * Always returns <code>false</code>
    * 
    * {@inheritDoc}
    * 
    * @return <code>false</code>
    * */
   public boolean acceptJoinReincarnation(RepositoryItemMetadata reincarnation, RepositoryItemMetadata current)
   {
      return false;
   }

   /** 
    * Always returns <code>false</code>
    * 
    * {@inheritDoc}
    * 
    * @return <code>false</code>
    * */
   public boolean acceptJoinRemoval(RepositoryItemMetadata current, RepositoryItemMetadata joinersItem)
   {
      return false;
   }

   /** 
    * Always returns <code>false</code>
    * 
    * {@inheritDoc}
    * 
    * @return <code>false</code>
    * */
   public boolean acceptJoinUpdate(RepositoryItemMetadata update, RepositoryItemMetadata current)
   {
      return false;
   }

   /** 
    * Always returns <code>false</code>
    * 
    * {@inheritDoc}
    * 
    * @return <code>false</code>
    * */
   public boolean acceptMergeAddition(RepositoryItemMetadata toAdd)
   {
      return false;
   }

   /** 
    * Always returns <code>false</code>
    * 
    * {@inheritDoc}
    * 
    * @return <code>false</code>
    * */
   public boolean acceptMergeReincarnation(RepositoryItemMetadata reincarnation, RepositoryItemMetadata current)
   {
      return false;
   }

   /** 
    * Always returns <code>false</code>
    * 
    * {@inheritDoc}
    * 
    * @return <code>false</code>
    * */
   public boolean acceptMergeRemoval(RepositoryItemMetadata current, RepositoryItemMetadata mergersView)
   {
      return false;
   }

   /** 
    * Always returns <code>false</code>
    * 
    * {@inheritDoc}
    * 
    * @return <code>false</code>
    * */
   public boolean acceptMergeUpdate(RepositoryItemMetadata update, RepositoryItemMetadata current)
   {
      return false;
   }

   /** 
    * Always returns <code>false</code>
    * 
    * {@inheritDoc}
    * 
    * @return <code>false</code>
    * */
   public boolean purgeRemovedItems(RepositoryContentMetadata content)
   {
      return false;
   }

}