private static IMessageBus BuildMessageBus(AbstractConfiguration cfg)
{
ISubscriptionService subscriptionService = MessageBusConfigurationExtensions.GetSubscriptionService(cfg);
IMessageSink messageSink = MessageBusConfigurationExtensions.GetMessageSink(cfg);
IObjectContainer container = ObjectContainerConfigurationExtensions.GetObjectContainer(cfg);
IRouteManager routeManager = container.Resolve <IRouteManager>();
Xyperico.Agres.MessageBus.Implementation.MessageBus bus = new Agres.MessageBus.Implementation.MessageBus(subscriptionService, routeManager, messageSink);
container.RegisterInstance <IMessageBus>(bus);
return(bus);
}
private static void AutoSubscribeToHandledMessages(BaseConfiguration cfg)
{
ISubscriptionService subscriptionService = MessageBusConfigurationExtensions.GetSubscriptionService(cfg);
IMessageSink messageSink = MessageBusConfigurationExtensions.GetMessageSink(cfg);
MessageDispatcher dispatcher = MessageBusConfigurationExtensions.GetDispatcher(cfg);
foreach (Type msg in dispatcher.GetHandledMessages())
{
if (typeof(IEvent).IsAssignableFrom(msg))
{
subscriptionService.Subscribe(msg, messageSink);
}
}
}
/// <summary>
/// Start configuration of messages bus and scan for message handlers in the supplied assemblies.
/// </summary>
/// <param name="cfg"></param>
/// <param name="assemblies"></param>
/// <param name="messageHandlerConvention"></param>
/// <returns></returns>
public static MessageBusConfiguration MessageBus(this BaseConfiguration cfg, IEnumerable <Assembly> assemblies, IMessageHandlerConvention messageHandlerConvention = null)
{
if (cfg.ContainsKey(MessageBus_SettingsKey))
{
throw new InvalidOperationException("You should not configure MessageBus twice.");
}
cfg.Set(MessageBus_SettingsKey, true);
Condition.Requires(assemblies, "assemblies").IsNotNull();
// Also scan core message handlers
assemblies = assemblies.Union(new Assembly[] { Assembly.GetExecutingAssembly() });
MessageDispatcher dispatcher = MessageBusConfigurationExtensions.GetDispatcher(cfg);
dispatcher.RegisterMessageHandlers(assemblies, messageHandlerConvention ?? new DefaultMessageHandlerConvention());
return(new MessageBusConfiguration(cfg));
}
private static MessageBusHost BuildMessageBusHost(AbstractConfiguration cfg)
{
MessageBusHost busHost = new MessageBusHost(MessageBusConfigurationExtensions.GetMessageSource(cfg), MessageBusConfigurationExtensions.GetDispatcher(cfg));
return(busHost);
}
