/// <summary>
/// Start listening for events
/// </summary>
public virtual void Start()
{
if (IsListening)
{
throw new BusConfigurationException("Attempted to start the MicroserviceHost, but it has already started.");
}
OnHostStarted();
IsListening = true;
foreach (MicroserviceCommandListener callback in CommandListeners)
{
Logger.LogInformation($"Registering command queue {callback.Queue}");
ICommandReceiver receiver = Context.CreateCommandReceiver(callback.Queue);
receiver.DeclareCommandQueue();
receiver.StartReceivingCommands(callback.Callback);
CommandReceivers.Add(receiver);
}
MessageReceiver = Context.CreateMessageReceiver(QueueName, Topics);
MessageReceiver.StartReceivingMessages();
MessageReceiver.StartHandlingMessages(eventMessage =>
{
OnEventMessageReceived(eventMessage);
foreach (MicroserviceListener microserviceListener in Listeners)
{
foreach (Regex expression in microserviceListener.TopicRegularExpressions)
{
if (expression.IsMatch(eventMessage.Topic))
{
microserviceListener.Callback.Invoke(eventMessage);
}
}
}
OnEventMessageHandled(eventMessage);
});
}
public void StartListening(IMicroserviceHost host)
{
Host = host;
_receiver.StartReceivingCommands(Handle);
}