// ========================================================================
// Copyright 2006 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//========================================================================
package org.mortbay.cometd.continuation;
import java.util.Timer;
import java.util.TimerTask;
import javax.servlet.ServletContext;
import org.mortbay.cometd.AbstractBayeux;
import org.mortbay.cometd.ClientImpl;
import org.mortbay.thread.Timeout;
import org.mortbay.thread.Timeout.Task;
/* ------------------------------------------------------------ */
/**
* Extension of Bayeux that uses {@link ContinuationClient}s.
*
* @author gregw
*
*/
public class ContinuationBayeux extends AbstractBayeux
{
private static int __id;
private transient Timer _tick;
private transient Timeout _timeout;
private long _now;
/* ------------------------------------------------------------ */
/*
* (non-Javadoc)
*
* @see org.mortbay.cometd.AbstractBayeux#newClient(java.lang.String,
* dojox.io.cometd.Destination)
*/
@Override
public ClientImpl newRemoteClient()
{
ClientImpl client=new ContinuationClient(this);
addClient(client,null);
return client;
}
/* ------------------------------------------------------------ */
/*
* (non-Javadoc)
*
* @see
* org.mortbay.cometd.AbstractBayeux#initialize(javax.servlet.ServletContext
* )
*/
@Override
protected void initialize(ServletContext context)
{
super.initialize(context);
_tick=new Timer("ContinuationBayeux-" + __id++,true);
_timeout=new Timeout();
_tick.schedule(new TimerTask()
{
@Override
public void run()
{
_now=System.currentTimeMillis();
_timeout.tick(_now);
}
},100L,100L);
}
/* ------------------------------------------------------------ */
long getNow()
{
return _now;
}
/* ------------------------------------------------------------ */
/*
* (non-Javadoc)
*
* @see
* org.mortbay.cometd.AbstractBayeux#initialize(javax.servlet.ServletContext
* )
*/
public void destroy()
{
_tick.cancel();
}
/* ------------------------------------------------------------ */
void startTimeout(Timeout.Task timeout, long interval)
{
synchronized(_timeout)
{
_timeout.schedule(timeout,interval);
}
}
/* ------------------------------------------------------------ */
void cancelTimeout(Timeout.Task timeout)
{
synchronized(_timeout)
{
if (timeout != null)
timeout.cancel();
}
}
}