/** Removes the SimpleTimer. */
public void removeSimpleTimer() {
synchronized (_events) {
runn.setAnswer(false);
_events.clear();
_eventTimes.clear();
_events.notifyAll();
}
synchronized (_readyEvents) {
_readyEvents.clear();
_readyEvents.notifyAll();
}
}
/**
* @param event
* @param timeoutMs
* @param useEarliestTime if its already scheduled, use the earlier of the two timeouts, else use
* the later
*/
public void addEvent(TimedEvent event, long timeoutMs, boolean useEarliestTime) {
int totalEvents = 0;
long now = System.currentTimeMillis();
long eventTime = now + timeoutMs;
Long time = Long.valueOf(eventTime);
synchronized (_events) {
// remove the old scheduled position, then reinsert it
Long oldTime = _eventTimes.get(event);
if (oldTime != null) {
if (useEarliestTime) {
if (oldTime.longValue() < eventTime) {
_events.notifyAll();
return; // already scheduled for sooner than requested
} else {
_events.remove(oldTime);
}
} else {
if (oldTime.longValue() > eventTime) {
_events.notifyAll();
return; // already scheduled for later than the given period
} else {
_events.remove(oldTime);
}
}
}
// FIXME if you plan to use this class again
while (_events.containsKey(time)) time = Long.valueOf(time.longValue() + 1);
_events.put(time, event);
_eventTimes.put(event, time);
if ((_events.size() != _eventTimes.size())) {
_log.error("Skewed events: " + _events.size() + " for " + _eventTimes.size());
for (TimedEvent evt : _eventTimes.keySet()) {
Long when = _eventTimes.get(evt);
TimedEvent cur = _events.get(when);
if (cur != evt) {
_log.error("event " + evt + " @ " + when + ": " + cur);
}
}
}
totalEvents = _events.size();
_events.notifyAll();
}
if (time.longValue() > eventTime + 100) {
if (_log.shouldLog(Log.WARN))
_log.warn(
"Lots of timer congestion, had to push "
+ event
+ " back "
+ (time.longValue() - eventTime)
+ "ms (# events: "
+ totalEvents
+ ")");
}
long timeToAdd = System.currentTimeMillis() - now;
if (timeToAdd > 50) {
if (_log.shouldLog(Log.WARN))
_log.warn(
"timer contention: took "
+ timeToAdd
+ "ms to add a job with "
+ totalEvents
+ " queued");
}
}
