private void callEventObserver(String name, Match match, long time) { Object ptn = eventNames.get(name); ObserveEvent.Type obsType = eventTypes.get(name); log(lvl, "%s: %s with: %s at: %s", obsType, name, ptn, match); ObserveEvent observeEvent = new ObserveEvent(name, obsType, ptn, match, observedRegion, time); Object callBack = eventCallBacks.get(name); Observing.addEvent(observeEvent); if (callBack != null && callBack instanceof ObserverCallBack) { log(lvl, "running call back: %s", obsType); if (obsType == ObserveEvent.Type.APPEAR) { ((ObserverCallBack) callBack).appeared(observeEvent); } else if (obsType == ObserveEvent.Type.VANISH) { ((ObserverCallBack) callBack).vanished(observeEvent); } else if (obsType == ObserveEvent.Type.CHANGE) { ((ObserverCallBack) callBack).changed(observeEvent); } else if (obsType == ObserveEvent.Type.GENERIC) { ((ObserverCallBack) callBack).happened(observeEvent); } } }