Sorry in fact it's working good, but I'm still wondering if there is a
simpler/better way to achieve this, without using a Publisher?
Thanks
Loïc
Le samedi 6 février 2016 10:58:40 UTC+1, Loïc Descotte a écrit :
>
> Hi,
>
> Source.queue seems perfect to push elements dynamically into a source.
>
> I am using Akka Streams 2.0 with Play framework (2.5-M2).
>
> In Play 2.5, the controller's 'chunked' method can take an Akka Streams
> Source to stream elements to the browser.
> In other words Play defines its own Sink and I can't run a sourceQueue
> into a Sink by myself.
>
> So I've tried this to create a dynamic source :
>
> val (queue, pub) = Source.queue[String](10,
> OverflowStrategy.fail).toMat(Sink.asPublisher(false))(Keep.both).run()
> val tick = Source.tick(0 second, 1 second, "tick")
> tick.runForeach(t => queue.offer("tick"))
>
> Ok.chunked(Source.fromPublisher(pub))
>
> Sink.asPublisher is the only way I've found to materialize the source and
> keep a reference to it. But I find this a little verbose more important,
> it's not working, the browser is loading forever and no element is emitted.
>
> So is there a proper way to retrieve a source from Source.queue?
>
> Thanks a lot
>
> Loïc
>
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