/** Timeout for reaping old sessions. */
public void handleAlarm(Alarm alarm) {
try {
_sessionList.clear();
int liveSessions = 0;
if (_isClosed) return;
long now = Alarm.getCurrentTime();
synchronized (_sessions) {
_sessionIter = _sessions.values(_sessionIter);
while (_sessionIter.hasNext()) {
SessionArrayValue session = _sessionIter.next();
long maxIdleTime = session.getMaxInactiveInterval();
if (session.inUse()) liveSessions++;
else if (session.getAccessTime() + maxIdleTime < now) _sessionList.add(session);
else liveSessions++;
}
}
synchronized (_statisticsLock) {
_sessionTimeoutCount += _sessionList.size();
}
for (int i = 0; i < _sessionList.size(); i++) {
SessionArrayValue session = _sessionList.get(i);
try {
long maxIdleTime = session.getMaxInactiveInterval();
_sessions.remove(session.getId());
session.invalidate();
} catch (Throwable e) {
log.log(Level.FINER, e.toString(), e);
}
}
} finally {
if (!_isClosed) alarm.queue(60000);
}
}
/** Notification from the cluster. */
public void notifyRemove(String id) {
SessionArrayValue session = _sessions.remove(id);
if (session != null) session.invalidate();
}