} else if (_changeType == EXTERNAL_VIEW)
{
ExternalViewChangeListener externalViewListener = (ExternalViewChangeListener) _listener;
subscribeForChanges(changeContext, true, true);
List<ExternalView> externalViewList = _accessor.getChildValues(keyBuilder.externalViews());
externalViewListener.onExternalViewChange(externalViewList, changeContext);
} else if (_changeType == ChangeType.CONTROLLER)
{
ControllerChangeListener controllerChangelistener = (ControllerChangeListener) _listener;
subscribeForChanges(changeContext, true, false);
controllerChangelistener.onControllerChange(changeContext);