protected virtual void OnSuccess(TopicDetailsEventArgs e)
{
var handler = Success;
if (null == handler)
{
return;
}
handler(this, e);
}
private void topicDetailsHandler_Success(object sender, Handlers.TopicDetailsEventArgs e)
{
Log.Spew("Queried Topic: \"" + e.TopicPath + "\"");
if (!rootTopicPath.Equals(e.TopicPath))
{
throw new InvalidOperationException("Topic details received for unexpected topic path.");
}
if (null == e.TopicDetails)
{
// The root topic path does not yet exist so we need to create it implicitly
// by creating the child nodes.
Log.Spew("Creating topic tree...");
var addTopicHandler = new Handlers.AddTopicHandler();
addTopicHandler.Success += addTopicHandler_Success;
AddTopic(addTopicHandler, steeringTopicPath);
AddTopic(addTopicHandler, brakingTopicPath);
AddTopic(addTopicHandler, accelerationTopicPath);
AddTopic(addTopicHandler, gearTopicPath);
AddTopic(addTopicHandler, refreshIntervalTopicPath, TopicType.RECORD);
AddTopic(addTopicHandler, buttonStatesTopicPath, TopicType.RECORD);
AddTopic(addTopicHandler, buttonNamesTopicPath, TopicType.RECORD);
AddTopic(addTopicHandler, countOfUpdatesMetricTopicPath);
AddTopic(addTopicHandler, upTimeInSecondsMetricTopicPath);
AddTopic(addTopicHandler, countOfSuccessfulTopicSourceUpdatesMetricTopicPath);
AddTopic(addTopicHandler, countOfFailedTopicSourceUpdatesMetricTopicPath);
AddTopic(addTopicHandler, rateOfUpdatesPerSecondMetricTopicPath);
AddTopic(addTopicHandler, rateOfSuccessfulTopicSourceUpdatesPerSecond);
}
else
{
// The root topic path exists so we need to start updating it.
// (I am making the assumption that all of the topics I need to have added
// below this root will be there... this could break if I add a new topic to the
// tree in this codebase without restarting the Diffusion server or removing the
// root topic first.)
AddTopicSources();
}
}
