logger.debug("found event '{}' with no content, add this event to the excluded " +
"TimeRangesCalendar - this event could be referenced by the modifiedBy clause",
eventTitle);
if (!calendarCache.containsKey(eventTitle)) {
calendarCache.put(eventTitle, new TimeRangeCalendar());
}
TimeRangeCalendar timeRangeCalendar = calendarCache.get(eventTitle);
for (When when : event.getTimes()) {
timeRangeCalendar.addTimeRange(new LongRange(when.getStartTime().getValue(), when.getEndTime().getValue()));
}
}
}
// add all calendars to the Scheduler an rebase all existing Triggers