CurrentStateChangeListener currentStateChangeListener;
currentStateChangeListener = (CurrentStateChangeListener) _listener;
subscribeForChanges(changeContext, true, true);
String instanceName = HelixUtil.getInstanceNameFromPath(_path);
String[] pathParts = _path.split("/");
List<CurrentState> currentStates = _accessor.getChildValues(keyBuilder.currentStates(instanceName, pathParts[pathParts.length - 1]));
currentStateChangeListener.onStateChange(instanceName, currentStates, changeContext);
} else if (_changeType == MESSAGE)
{
MessageListener messageListener = (MessageListener) _listener;