@Override
public Boolean apply(PortalEvent event) {
if (shutdown) {
// Mark ourselves as interupted and throw an exception
Thread.currentThread().interrupt();
throw new RuntimeException(
"uPortal is shutting down, throwing an exeption to stop aggregation");
}
final DateTime eventDate = event.getTimestampAsDate();
this.lastEventDate.setValue(eventDate);
// If no interval data yet populate it.
if (this.currentIntervalInfo.isEmpty()) {
initializeIntervalInfo(eventDate);
}
// Check each interval to see if an interval boundary has been crossed
boolean intervalCrossed = false;
for (final AggregationInterval interval :
this.intervalsForAggregatorHelper.getHandledIntervals()) {
AggregationIntervalInfo intervalInfo = this.currentIntervalInfo.get(interval);
if (intervalInfo != null
&& !intervalInfo
.getEnd()
.isAfter(
eventDate)) { // if there is no IntervalInfo that interval must not be supported
// in the current environment
logger.debug("Crossing {} Interval, triggered by {}", interval, event);
this.doHandleIntervalBoundary(interval, this.currentIntervalInfo);
intervalInfo = intervalHelper.getIntervalInfo(interval, eventDate);
this.currentIntervalInfo.put(interval, intervalInfo);
this.aggregatorReadOnlyIntervalInfo
.clear(); // Clear out cached per-aggregator interval info whenever a current interval
// info changes
intervalCrossed = true;
}
}
if (intervalCrossed) {
this.intervalsCrossed++;
// If we have crossed more intervals than the interval batch size return false to stop
// aggregation before handling the triggering event
if (this.intervalsCrossed >= intervalAggregationBatchSize) {
return false;
}
}
// Aggregate the event
this.doAggregateEvent(event);
// Update the status object with the event date
this.lastEventDate.setValue(eventDate);
// Continue processing
return true;
}
protected EventSession getEventSession(PortalEvent item) {
final String eventSessionId = item.getEventSessionId();
// First check the aggregation context for a cached session event, fall back
// to asking the DAO if nothing in the context, cache the result
final CacheKey key = CacheKey.build(EVENT_SESSION_CACHE_KEY_SOURCE, eventSessionId);
EventSession eventSession = this.eventAggregationContext.getAttribute(key);
if (eventSession == null) {
eventSession = eventSessionDao.getEventSession(item);
this.eventAggregationContext.setAttribute(key, eventSession);
}
// Record the session access
eventSession.recordAccess(item.getTimestampAsDate());
eventSessionDao.storeEventSession(eventSession);
return eventSession;
}