}
events.add(selectExprProcessors[level.getLevelNumber()].process(eventsPerStream, isNewData, isSynthesize, agentInstanceContext));
if(prototype.isSorting()) {
EventBean[] currentEventsPerStream = new EventBean[] { entry.getValue() };
currentGenerators.add(new GroupByRollupKey(currentEventsPerStream, level, groupKey));
}
}
}
if (events.isEmpty()) {