This filter rejects PageGet instances that
fall before the cutoff time, self.cutoffTime.
# - - - A c c e s s S u m m a r y . _ _ t i m e F i l t e r
def __timeFilter ( self, pageGet ):
'''Filter out expired records.
[ pageGet is a PageGet instance ->
if pageget.when is in the interval [self.cutoffTime,
self.now] ->
return True
else -> return False ]
'''
return self.cutoffTime <= pageGet.when <= self.now