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=str #16787 java cookbook

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Konrad Malawski 2015-07-08 10:23:10 +03:00 • committed by Martynas Mickevičius
parent 708d7017f2
commit c0e52338df
7 changed files with 413 additions and 66 deletions
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6
akka-docs-dev/rst/scala/code/docs/stream/cookbook/RecipeKeepAlive.scala
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@ -22,16 +22,16 @@ class RecipeKeepAlive extends RecipeSpec {
val sink = Sink(sub)
//#inject-keepalive
val keepAliveStream: Source[ByteString, Unit] = ticks
val tickToKeepAlivePacket: Flow[Tick, ByteString, Unit] = Flow[Tick]
.conflate(seed = (tick) => keepaliveMessage)((msg, newTick) => msg)
val graph = FlowGraph.closed() { implicit builder =>
import FlowGraph.Implicits._
val unfairMerge = builder.add(MergePreferred[ByteString](1))
dataStream ~> unfairMerge.preferred
// If data is available then no keepalive is injected
keepAliveStream ~> unfairMerge ~> sink
dataStream ~> unfairMerge.preferred
ticks ~> tickToKeepAlivePacket ~> unfairMerge ~> sink
}
//#inject-keepalive