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// **********************************************************************
//
// Copyright (c) 2003-2009 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
import Demo.*;
class ReapThread extends Thread
{
static class SessionProxyPair
{
SessionProxyPair(Demo.SessionPrx p, SessionI s)
{
glacier2proxy = null;
proxy = p;
session = s;
}
SessionProxyPair(Glacier2.SessionPrx p, SessionI s)
{
glacier2proxy = p;
proxy = null;
session = s;
}
Glacier2.SessionPrx glacier2proxy;
Demo.SessionPrx proxy;
SessionI session;
}
ReapThread(Ice.Logger logger, long timeout)
{
_logger = logger;
_timeout = timeout;
}
synchronized public void
run()
{
while(!_terminated)
{
try
{
wait((_timeout / 2) * 1000);
}
catch(InterruptedException e)
{
}
if(!_terminated)
{
java.util.Iterator<SessionProxyPair> p = _sessions.iterator();
while(p.hasNext())
{
SessionProxyPair s = p.next();
try
{
//
// Session destruction may take time in a
// real-world example. Therefore the current time
// is computed for each iteration.
//
if((System.currentTimeMillis() - s.session.timestamp()) > _timeout * 1000)
{
_logger.trace("ReapThread", "The session " +
s.proxy.ice_getCommunicator().identityToString(s.proxy.ice_getIdentity()) +
" has timed out.");
if(s.proxy != null)
{
s.proxy.destroy();
}
else
{
s.glacier2proxy.destroy();
}
p.remove();
}
}
catch(Ice.ObjectNotExistException e)
{
p.remove();
}
}
}
}
}
synchronized public void
terminate()
{
_terminated = true;
notify();
// Destroy each of the sessions, releasing any resources they
// may hold. This calls directly on the session, not via the
// proxy since terminate() is called after the communicator is
// shutdown, which means calls on collocated objects are not
// permitted.
java.util.Iterator<SessionProxyPair> p = _sessions.iterator();
while(p.hasNext())
{
p.next().session.shutdown();
}
_sessions.clear();
}
synchronized public void
add(SessionPrx proxy, SessionI session)
{
_sessions.add(new SessionProxyPair(proxy, session));
}
synchronized public void
add(Glacier2.SessionPrx proxy, SessionI session)
{
_sessions.add(new SessionProxyPair(proxy, session));
}
private final long _timeout; // Seconds.
private Ice.Logger _logger;
private boolean _terminated = false;
private java.util.List<SessionProxyPair> _sessions = new java.util.LinkedList<SessionProxyPair>();
}
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