{
MessageListener messageListener = (MessageListener) _listener;
subscribeForChanges(changeContext, true, false);
String instanceName = _manager.getInstanceName();
List<Message> messages = _accessor.getChildValues(keyBuilder.messages(instanceName));
messageListener.onMessage(instanceName, messages, changeContext);
} else if (_changeType == EXTERNAL_VIEW)
{
ExternalViewChangeListener externalViewListener = (ExternalViewChangeListener) _listener;
subscribeForChanges(changeContext, true, true);
List<ExternalView> externalViewList = _accessor.getChildValues(keyBuilder.externalViews());