/// <summary>
/// Create an actor to act as a subscriber on behalf of the specified observer.
/// </summary>
/// <param name="createSubscriber">
/// The <see cref="CreateSubscriber"/> request message.
/// </param>
/// <returns></returns>
IActorRef CreateSubscriberActor(CreateSubscriber <TMessage> createSubscriber)
{
if (createSubscriber == null)
{
throw new ArgumentNullException(nameof(createSubscriber));
}
IObserver <TMessage> observer = createSubscriber.Observer;
return(Context.ActorOf(
Props.Create <EventSubscriber <TMessage> >(observer)
.WithSupervisorStrategy(
new OneForOneStrategy(error => // Slightly hacky way of notifying observer of any errors encountered by the subscriber actor.
{
observer.OnError(error);
return Directive.Stop;
})
)
));
}
/// <summary>
/// Create an actor to act as a subscriber on behalf of the specified observer.
/// </summary>
/// <param name="createSubscriber">
/// The <see cref="CreateSubscriber"/> request that specifies the observer to use.
/// </param>
/// <returns>
/// A <see cref="SubscriberCreated"/> message representing the newly-created subscriber.
/// </returns>
void CreateSubscriberActor(CreateSubscriber createSubscriber)
{
if (createSubscriber == null)
{
throw new ArgumentNullException(nameof(createSubscriber));
}
IActorRef subscriberManager;
if (!_subscriberManagers.TryGetValue(createSubscriber.BaseMessageType, out subscriberManager))
{
subscriberManager = Context.ActorOf(
SubscriberManagerProps(createSubscriber.BaseMessageType)
);
_subscriberManagers.Add(createSubscriber.BaseMessageType, subscriberManager);
_subscriberManagerReverseLookup.Add(subscriberManager, createSubscriber.BaseMessageType);
Context.Watch(subscriberManager);
}
// Forward the message to the typed subscriber manager; they'll know what to do with it.
subscriberManager.Forward(createSubscriber);
}
/// <summary>
/// Create an actor to act as a subscriber on behalf of the specified observer.
/// </summary>
/// <param name="createSubscriber">
/// The <see cref="CreateSubscriber"/> request that specifies the observer to use.
/// </param>
/// <returns>
/// A <see cref="SubscriberCreated"/> message representing the newly-created subscriber.
/// </returns>
void CreateSubscriberActor(CreateSubscriber createSubscriber)
{
if (createSubscriber == null)
throw new ArgumentNullException(nameof(createSubscriber));
IActorRef subscriberManager;
if (!_subscriberManagers.TryGetValue(createSubscriber.BaseMessageType, out subscriberManager))
{
subscriberManager = Context.ActorOf(
SubscriberManagerProps(createSubscriber.BaseMessageType)
);
_subscriberManagers.Add(createSubscriber.BaseMessageType, subscriberManager);
_subscriberManagerReverseLookup.Add(subscriberManager, createSubscriber.BaseMessageType);
Context.Watch(subscriberManager);
}
// Forward the message to the typed subscriber manager; they'll know what to do with it.
subscriberManager.Forward(createSubscriber);
}
