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!str #15089 add flatMapMerge

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This commit is contained in:
Roland Kuhn 2015-12-01 18:03:30 +01:00
parent 3f3f5c8575
commit 073e7058dc
13 changed files with 485 additions and 74 deletions
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21
akka-stream/src/main/scala/akka/stream/javadsl/Flow.scala
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@ -852,10 +852,25 @@ final class Flow[-In, +Out, +Mat](delegate: scaladsl.Flow[In, Out, Mat]) extends
* '''Completes when''' upstream completes and all consumed substreams complete
*
* '''Cancels when''' downstream cancels
*
*/
def flatMapConcat[T](f: function.Function[Out, Source[T, _]]): Flow[In, T, Mat] =
new Flow(delegate.flatMapConcat[T](x ⇒ f(x).asScala))
def flatMapConcat[T, M](f: function.Function[Out, Source[T, M]]): Flow[In, T, Mat] =
new Flow(delegate.flatMapConcat[T, M](x ⇒ f(x).asScala))
/**
* Transform each input element into a `Source` of output elements that is
* then flattened into the output stream by merging, where at most `breadth`
* substreams are being consumed at any given time.
*
* '''Emits when''' a currently consumed substream has an element available
*
* '''Backpressures when''' downstream backpressures
*
* '''Completes when''' upstream completes and all consumed substreams complete
*
* '''Cancels when''' downstream cancels
*/
def flatMapMerge[T, M](breadth: Int, f: function.Function[Out, Source[T, M]]): Flow[In, T, Mat] =
new Flow(delegate.flatMapMerge(breadth, o ⇒ f(o).asScala))
/**
* Concatenate the given [[Source]] to this [[Flow]], meaning that once this