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Fixed bug in Chunker, exposed by interpreter changes

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This commit is contained in:
Endre Sándor Varga 2016-08-01 12:20:30 +02:00
parent b8ceb863c9
commit 083bfb6692
3 changed files with 22 additions and 5 deletions
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11
akka-docs/rst/scala/code/docs/stream/cookbook/RecipeByteStrings.scala
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@ -42,8 +42,15 @@ class RecipeByteStrings extends RecipeSpec {
override def onUpstreamFinish(): Unit = {
if (buffer.isEmpty) completeStage()
// elements left in buffer, keep accepting downstream pulls
// and push from buffer until buffer is emitted
else {
// There are elements left in buffer, so
// we keep accepting downstream pulls and push from buffer until emptied.
//
// It might be though, that the upstream finished while it was pulled, in which
// case we will not get an onPull from the downstream, because we already had one.
// In that case we need to emit from the buffer.
if (isAvailable(out)) emitChunk()
}
}
})