if (e.getId() == MapEvent.REMOVE) {
removeFromHistory(e);
}
for (EventListener listener : listenerList.getListeners(DataNodeListener.class)) {
DataNodeListener temp = (DataNodeListener) listener;
switch (e.getId()) {
case MapEvent.ADD:
temp.dataNodeAdded(e);
break;
case MapEvent.CHANGE:
temp.dataNodeChanged(e);
break;
case MapEvent.REMOVE:
temp.dataNodeRemoved(e);
break;
default:
throw new IllegalArgumentException("Invalid DataNodeEvent type: " + e.getId());
}
}