/**
* Garbage-collects any expired sessions. Must be called before client-inteface functions do
* anything which relies on the existence a session, that is: creating sessions, using sessions or
* checking whether sessions exist.
*
* <p>FIXME: Before putting the session manager into fred, write a thread which periodically
* garbage collects old sessions - currently, sessions will only be garbage collected if any
* client continues using the SessiomManager
*
* @param time The current time.
*/
private synchronized void removeExpiredSessions(long time) {
for (Session session = mSessionsByID.peekValue();
session != null && session.isExpired(time);
session = mSessionsByID.peekValue()) {
mSessionsByID.popValue();
mSessionsByUserID.remove(session.getUserID());
}
// FIXME: Execute every few hours only.
verifyQueueOrder();
verifySessionsByUserIDTable();
}
/** Callback from SessionManager during apply() */
public void visit(Session aSession) {
try {
// Age the lease
aSession.age(delta);
debug("AgingTimerTask: visit: " + aSession);
// Stop session if lease expired
if (aSession.isExpired()) {
info("AgingTimerTask: Session expired: " + aSession);
aSession.stop();
}
} catch (Throwable t) {
warn("AgingTimerTask: Error in timer task : " + t);
}
}
@Test
public void testSessionIsExpired() {
Assert.assertTrue(expiredSession.isExpired());
}
@Test
public void testSessionIsNotExpired() {
Assert.assertFalse(session.isExpired());
}