object Test extends App {
implicit val sys = ActorSystem("streamSys")
implicit val ec = sys.dispatcher
implicit val mat = ActorMaterializer(
ActorMaterializerSettings(sys)
.withInputBuffer(1,1)
)
case class Tick()
RunnableGraph.fromGraph(GraphDSL.create() { implicit b =>
import GraphDSL.Implicits._
// this is the asynchronous stage in this graph
val zipper = b.add(ZipWith[Tick, Seq[String], Int]((tick, count) =>
count.length).async)
// this slows down the pipeline by 3 seconds
Source.tick(initialDelay = 3.seconds, interval = 3000.milliseconds,
Tick()) ~> zipper.in0
// faster producer with all elements passed inside a Seq
Source.tick(initialDelay = 1.second, interval = 1.milliseconds, "item")
.conflateWithSeed(Seq(_)) { (acc,elem) => acc :+ elem } ~> zipper.in1
zipper.out ~> Sink.foreach(println)
ClosedShape
}).run()
}
hello, I was a akka beginer and confused about why this code result 'seq
length' was 300 instand of 3000?
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