Hi Leon,
Have you tried not adding a broadcast and try to use it inline?
-Endre
On Wed, Nov 25, 2015 at 10:09 AM, Leon Ma <tutuf...@gmail.com> wrote:
> Hi,
>
> I have some questions regarding below code:
>
> val myFlow: Flow[A, B, Any] =
> Flow.fromGraph(FlowGraph.create() { implicit b =>
> import akka.stream.scaladsl.FlowGraph.Implicits._
>
> val broadcast = b.add(Broadcast[A](2))
> val merge = b.add(Merge[B](2))
>
> val flow1 = Flow[A].map(...)
> val flow2 = b.add(Flow[A].map(...))
>
> broadcast ~> flow1 ~> merge
> broadcast ~> flow2 ~> merge
>
> // expose ports
> FlowShape(broadcast.in , merge.out)
> })
>
>
> Question:
>
> What's the purpose of b.add(...)? What's the difference if I don't use
> it, just like flow1?
>
> Thanks
> Leon
>
>
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