public TriggerOption withEarlyFiringsAtEvery(long count){
  CountTrigger trigger=new CountTrigger(Type.EARLY,count);
  triggerList.add(trigger);
  return this;
}

public TriggerOption withEarlyFiringsAtEvery ( long count ) { CountTrigger trigger = new CountTrigger ( Type . EARLY , count ) ; triggerList . add ( trigger ) ; return this ; }
a trigger should be fired before the watermark once for every n tuple ( s )
