public override IEnumerable <UnsubscribeAction> Subscribe <TComponent>(ISubscriberContext context, TComponent instance)
{
Type distributorInterface = typeof(TComponent).GetInterfaces()
.Where(x => x.IsGenericType && x.GetGenericTypeDefinition() == typeof(IDistributor <>))
.SingleOrDefault();
if (distributorInterface != null)
{
Type messageType = distributorInterface.GetGenericArguments().First();
if (!context.HasMessageTypeBeenDefined(messageType))
{
context.MessageTypeWasDefined(messageType);
yield return(this.FastInvoke <DistributorSubscriber, UnsubscribeAction>(new[] { typeof(TComponent), messageType }, "ConnectDistributor", context, instance));
}
}
distributorInterface = typeof(TComponent).GetInterfaces()
.Where(x => x.IsGenericType && x.GetGenericTypeDefinition() == typeof(IWorker <>))
.SingleOrDefault();
if (distributorInterface != null)
{
Type messageType = distributorInterface.GetGenericArguments().First();
Type distributedMessageType = typeof(Distributed <>).MakeGenericType(messageType);
if (!context.HasMessageTypeBeenDefined(distributedMessageType))
{
context.MessageTypeWasDefined(distributedMessageType);
yield return(this.FastInvoke <DistributorSubscriber, UnsubscribeAction>(new[] { typeof(TComponent), messageType }, "ConnectWorker", context, instance));
}
}
}
private IEnumerable <UnsubscribeAction> ConnectSinks <TComponent, TSaga>(ISubscriberContext context, TComponent instance)
where TComponent : ISagaWorker <TSaga>
where TSaga : SagaStateMachine <TSaga>, ISaga
{
var saga = FastActivator <TSaga> .Create(CombGuid.Generate());
var inspector = new SagaStateMachineEventInspector <TSaga>();
saga.Inspect(inspector);
foreach (var result in inspector.GetResults())
{
Type distributedType = typeof(Distributed <>).MakeGenericType(result.SagaEvent.MessageType);
if (!context.HasMessageTypeBeenDefined(distributedType))
{
context.MessageTypeWasDefined(distributedType);
yield return(ConnectSink(context, instance, result.SagaEvent.MessageType, result.SagaEvent.Event, result.States));
}
}
}
