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!str,htc replace and remove OneBoundedInterpreter

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main work by @drewhk with contributions from @2m and @rkuhn

This work uncovered many well-hidden bugs in existing Stages, in
particular StatefulStage. These were hidden by the behavior of
OneBoundedInterpreter that normally behaves more orderly than it
guarantees in general, especially with respect to the timeliness of
delivery of upstream termination signals; the bugs were then that
internal state was not flushed when onComplete arrived “too early”.
This commit is contained in:
Roland Kuhn 2015-10-31 14:46:10 +01:00
parent 20f54435f1
commit 556012b7ee
107 changed files with 2456 additions and 3061 deletions
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5
akka-stream/src/main/scala/akka/stream/impl/io/IOSources.scala
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@ -10,6 +10,7 @@ import java.util.concurrent.{ LinkedBlockingQueue, BlockingQueue }
import akka.actor.{ ActorRef, Deploy }
import akka.japi
import akka.stream._
import akka.stream.ActorAttributes.Dispatcher
import akka.stream.impl.StreamLayout.Module
import akka.stream.impl.{ ErrorPublisher, SourceModule }
import akka.stream.scaladsl.{ Source, FlowGraph }
@ -27,13 +28,13 @@ import scala.util.control.NonFatal
private[akka] final class SynchronousFileSource(f: File, chunkSize: Int, val attributes: Attributes, shape: SourceShape[ByteString])
extends SourceModule[ByteString, Future[Long]](shape) {
override def create(context: MaterializationContext) = {
// FIXME rewrite to be based on AsyncStage rather than dangerous downcasts
// FIXME rewrite to be based on GraphStage rather than dangerous downcasts
val mat = ActorMaterializer.downcast(context.materializer)
val settings = mat.effectiveSettings(context.effectiveAttributes)
val bytesReadPromise = Promise[Long]()
val props = SynchronousFilePublisher.props(f, bytesReadPromise, chunkSize, settings.initialInputBufferSize, settings.maxInputBufferSize)
val dispatcher = IOSettings.blockingIoDispatcher(context)
val dispatcher = context.effectiveAttributes.get[Dispatcher](IOSettings.IODispatcher).dispatcher
val ref = mat.actorOf(context, props.withDispatcher(dispatcher))