Hi! Since what you want only has one inlet, that is what a Sink is, which means you should use SinkShape iso FlowShape. Does that help?
On Sun, Oct 4, 2015 at 12:03 PM, Abhijit Sarkar <[email protected]> wrote: > I'm cutting my teeth on Akka streams, building the quintessential Twitter > streaming client. What I'm trying to do is some processing on the tweet > stream and then based on the result, divide the stream into "good" and > "bad" streams. Both streams are directed to the same ActorPublisher class > instantiated with different names. Following is my code so far but I'm at a > loss connecting all the components. Please help. > > val s = Sink.fanoutPublisher[Tweet](1, 1) > > val goodSink = Sink.actorSubscriber(TwitterSubscriber.props( > "GoodTwitterSubscriber")) > val badSink = Sink.actorSubscriber(TwitterSubscriber.props( > "BadTwitterSubscriber")) > > val allTweets = Flow[HttpResponse].map { _.entity.dataBytes }.flatten( > FlattenStrategy.concat).map { > b => parseTweet(b.utf8String) > } > > val afterEpoch = (t: Tweet) => t.createdAt.getYear > 1970 > > val goodTweets: Sink[HttpResponse, Unit] = allTweets.splitWhen { > afterEpoch }.to(goodSink) > val badTweets: Sink[HttpResponse, Unit] = allTweets.splitWhen { ! > afterEpoch(_)}.to(badSink) > > // I think this is wrong! > val partial = FlowGraph.partial() { implicit builder => > import FlowGraph.Implicits._ > val broadcast = builder.add(Broadcast[HttpResponse](2)) > > broadcast ~> goodTweets > broadcast ~> badTweets > > // I don't need an outlet, only an inlet, but partial needs an outlet > val outlet = builder.add(Source.empty) > FlowShape(broadcast.in, outlet) > }.named("partial") > > > In another class: > > val httpRequest = this.httpRequest { queryParams(follow, track) } > > val flow = this.flow { httpRequest } > > val src = Source.single(httpRequest).via(flow) > > src.via(partial).to(Sink.ignore) > > > > -- > >>>>>>>>>> Read the docs: http://akka.io/docs/ > >>>>>>>>>> Check the FAQ: > http://doc.akka.io/docs/akka/current/additional/faq.html > >>>>>>>>>> Search the archives: https://groups.google.com/group/akka-user > --- > You received this message because you are subscribed to the Google Groups > "Akka User List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/akka-user. > For more options, visit https://groups.google.com/d/optout. > -- Cheers, √ -- >>>>>>>>>> Read the docs: http://akka.io/docs/ >>>>>>>>>> Check the FAQ: >>>>>>>>>> http://doc.akka.io/docs/akka/current/additional/faq.html >>>>>>>>>> Search the archives: https://groups.google.com/group/akka-user --- You received this message because you are subscribed to the Google Groups "Akka User List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/akka-user. For more options, visit https://groups.google.com/d/optout.
