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//
// ========================================================================
// Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.server.session;
/**
* StalePeriodStrategy
*
* A session is regarded as being stale if it has been
* x seconds since it was last read from the cluster.
*/
public class StalePeriodStrategy implements StalenessStrategy
{
protected long _staleMs = 0;
/**
* @see org.eclipse.jetty.server.session.StalenessStrategy#isStale(org.eclipse.jetty.server.session.Session)
*/
@Override
public boolean isStale (Session session)
{
if (session == null)
return false;
//never persisted, must be fresh session
if (session.getSessionData().getLastSaved() == 0)
return false;
if (_staleMs <= 0)
{
//TODO always stale, never stale??
return false;
}
else
{
// return (session.getSessionData().getAccessed() - session.getSessionData().getLastSaved() >= _staleMs);
return (System.currentTimeMillis() - session.getSessionData().getLastSaved() >= _staleMs);
}
}
/**
* @return
*/
public long getStaleSec ()
{
return (_staleMs<=0?0L:_staleMs/1000L);
}
/**
* The amount of time in seconds that a session can be held
* in memory without being refreshed from the cluster.
* @param sec
*/
public void setStaleSec (long sec)
{
if (sec == 0)
_staleMs = 0L;
else
_staleMs = sec * 1000L;
}
}
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