public static UnsubscribeAction ConnectToRouter <T>(this IMessagePipeline pipeline, IPipelineSink <T> sink)
where T : class
{
MessageRouterConfigurator routerConfigurator = MessageRouterConfigurator.For(pipeline);
MessageRouter <T> router = routerConfigurator.FindOrCreate <T>();
UnsubscribeAction result = router.Connect(sink);
return(() => result() && (router.SinkCount == 0));
}
public CorrelatedMessageRouter <TMessage, TKey> FindOrCreate <TMessage, TKey>()
where TMessage : class, CorrelatedBy <TKey>
{
MessageRouterConfigurator configurator = MessageRouterConfigurator.For(_sink);
MessageRouter <TMessage> router = configurator.FindOrCreate <TMessage>();
var scope = new CorrelatedMessageRouterConfiguratorScope <TMessage, TKey>();
router.Inspect(scope);
return(scope.Router ?? ConfigureRouter <TMessage, TKey>(router));
}
public UnsubscribeAction Subscribe <TMessage>(Func <TMessage, Action <TMessage> > getHandler) where TMessage : class
{
var routerConfigurator = MessageRouterConfigurator.For(_pipeline);
var router = routerConfigurator.FindOrCreate <TMessage>();
Func <TMessage, Action <TMessage> > consumer = getHandler;
var sink = new InstanceMessageSink <TMessage>(consumer);
var result = router.Connect(sink);
UnsubscribeAction remove = SubscribedTo <TMessage>();
return(() => result() && (router.SinkCount == 0) && remove());
}
private static void EnsureRouterExists <TMessage>(IPipelineSink <object> sink) where TMessage : class
{
MessageRouterConfigurator routerConfigurator = MessageRouterConfigurator.For(sink);
routerConfigurator.FindOrCreate <TMessage>();
}