/*
* 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.proccess;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
/**
* Created by The eXo Platform SAS.
*
* @author Gennady Azarenkov
* @version $Id: WorkerThread.java 11907 2008-03-13 15:36:21Z ksm $
*/
public abstract class WorkerThread extends Thread
{
/**
* Logger.
*/
private static final Log LOG = ExoLogger.getLogger("exo.jcr.component.core.WorkerThread");
protected boolean stopped = false;
protected long timeout;
public WorkerThread(String name, long timeout)
{
super(name);
this.timeout = timeout;
}
public WorkerThread(long timeout)
{
super();
this.timeout = timeout;
}
@Override
public void run()
{
while (!stopped)
{
try
{
callPeriodically();
sleep(timeout);
}
catch (InterruptedException e)
{
if (LOG.isTraceEnabled())
{
LOG.trace("An exception occurred: " + e.getMessage());
}
}
catch (Exception e)
{
LOG.error(e.getLocalizedMessage(), e);
}
}
}
public void halt()
{
stopped = true;
}
protected abstract void callPeriodically() throws Exception;
}