/*
* Copyright (C) 2009 eXo Platform SAS.
*
* 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.exoplatform.services.jcr.impl.core.observation;
import org.exoplatform.services.jcr.impl.core.SessionImpl;
import org.exoplatform.services.jcr.impl.core.SessionRegistry;
import org.exoplatform.services.jcr.impl.dataflow.persistent.WorkspacePersistentDataManager;
import org.exoplatform.services.jcr.impl.util.EntityCollection;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.jcr.observation.EventListener;
import javax.jcr.observation.EventListenerIterator;
/**
* Created by The eXo Platform SAS.
*
* @author <a href="mailto:gennady.azarenkov@exoplatform.com">Gennady Azarenkov</a>
* @version $Id: ObservationManagerRegistry.java 11907 2008-03-13 15:36:21Z ksm $
*/
public class ObservationManagerRegistry
{
protected static final Log LOG = ExoLogger.getLogger("exo.jcr.component.core.ObservationManagerRegistry");
protected Map<EventListener, ListenerCriteria> listenersMap;
protected ActionLauncher launcher;
private final SessionRegistry sessionRegistry;
public ObservationManagerRegistry(WorkspacePersistentDataManager workspaceDataManager,
SessionRegistry sessionRegistry)
{
this.listenersMap = new HashMap<EventListener, ListenerCriteria>();
this.launcher = new ActionLauncher(this, workspaceDataManager, sessionRegistry);
this.sessionRegistry=sessionRegistry;
}
public ObservationManagerImpl createObservationManager(SessionImpl session)
{
return new ObservationManagerImpl(this, session.getId());
}
public void addEventListener(EventListener listener, ListenerCriteria filter)
{
listenersMap.put(listener, filter);
}
public void removeEventListener(EventListener listener)
{
listenersMap.remove(listener);
}
public EventListenerIterator getEventListeners()
{
return new EntityCollection(listenersMap.keySet());
}
public ListenerCriteria getListenerFilter(EventListener listener)
{
return listenersMap.get(listener);
}
SessionRegistry getSessionRegistry()
{
return sessionRegistry;
}
public void removeSessionEventListeners(SessionImpl session)
{
// Iterating without ConcurrentModificationException
List<EventListener> eventsForRemove = new ArrayList<EventListener>();
for (EventListener listener : listenersMap.keySet())
{
ListenerCriteria criteria = listenersMap.get(listener);
if (criteria.getSessionId().equals(session.getId()))
{
eventsForRemove.add(listener);
}
}
for (EventListener listener : eventsForRemove)
{
listenersMap.remove(listener);
}
}
}