public override object Create(MaterializationContext context, out IActorRef materializer)
{
var subscriberRef = ActorMaterializer.Downcast(context.Materializer).ActorOf(context, _props);
materializer = subscriberRef;
return(ActorSubscriber.Create <TIn>(subscriberRef));
}
public void ActorPublisher_should_work_in_a_GraphDsl()
{
var materializer = Sys.Materializer();
var probe1 = CreateTestProbe();
var probe2 = CreateTestProbe();
var senderRef1 = ActorOf(Sender.Props);
var source1 = Source.FromPublisher(ActorPublisher.Create <int>(senderRef1))
.MapMaterializedValue(_ => senderRef1);
var sink1 = Sink.FromSubscriber(ActorSubscriber.Create <string>(ActorOf(Receiver.Props(probe1.Ref))))
.MapMaterializedValue(_ => probe1.Ref);
var sink2 = Sink.ActorSubscriber <string>(Receiver.Props(probe2.Ref))
.MapMaterializedValue(_ => probe2.Ref);
var senderRef2 = RunnableGraph.FromGraph(GraphDsl.Create(
Source.ActorPublisher <int>(Sender.Props),
(builder, source2) =>
{
var merge = builder.Add(new Merge <int, int>(2));
var bcast = builder.Add(new Broadcast <string>(2));
builder.From(source1).To(merge.In(0));
builder.From(source2.Outlet).To(merge.In(1));
builder.From(merge.Out).Via(Flow.Create <int>().Select(i => i.ToString())).To(bcast.In);
builder.From(bcast.Out(0)).Via(Flow.Create <string>().Select(s => s + "mark")).To(sink1);
builder.From(bcast.Out(1)).To(sink2);
return(ClosedShape.Instance);
})).Run(materializer);
// the scala test is wrong
const int noOfMessages = 10;
for (var i = 0; i < noOfMessages; i++)
{
senderRef1.Tell(i);
senderRef2.Tell(i + noOfMessages);
}
var probe1Messages = new List <string>(noOfMessages * 2);
var probe2Messages = new List <string>(noOfMessages * 2);
for (var i = 0; i < noOfMessages * 2; i++)
{
probe1Messages.Add(probe1.ExpectMsg <string>());
probe2Messages.Add(probe2.ExpectMsg <string>());
}
probe1Messages.Should().BeEquivalentTo(Enumerable.Range(0, noOfMessages * 2).Select(i => i + "mark"));
probe2Messages.Should().BeEquivalentTo(Enumerable.Range(0, noOfMessages * 2).Select(i => i.ToString()));
}
public override ISubscriber <int?> CreateSubscriber()
{
var props = Props.Create(() => new StrategySubscriber(OneByOneRequestStrategy.Instance));
return(ActorSubscriber.Create <int?>(System.ActorOf(props.WithDispatcher("akka.test.stream-dispatcher"))));
}