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The most common partition-case, as divertTo(Mat) #24388

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Viktor Klang (√) 2018-01-22 19:17:41 +01:00 • committed by Johan Andrén
parent 6264f8ea70
commit e999d03e8b
11 changed files with 174 additions and 1 deletions
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27
akka-stream/src/main/scala/akka/stream/javadsl/Source.scala
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@ -751,6 +751,33 @@ final class Source[+Out, +Mat](delegate: scaladsl.Source[Out, Mat]) extends Grap
matF: function.Function2[Mat, M2, M3]): javadsl.Source[Out, M3] =
new Source(delegate.alsoToMat(that)(combinerToScala(matF)))
/**
* Attaches the given [[Sink]] to this [[Flow]], meaning that elements will be sent to the [[Sink]]
* instead of being passed through if the predicate `when` returns `true`.
*
* '''Emits when''' emits when an element is available from the input and the chosen output has demand
*
* '''Backpressures when''' the currently chosen output back-pressures
*
* '''Completes when''' upstream completes and no output is pending
*
* '''Cancels when''' when all downstreams cancel
*/
def divertTo(that: Graph[SinkShape[Out], _], when: function.Predicate[Out]): javadsl.Source[Out, Mat] =
new Source(delegate.divertTo(that, when.test))
/**
* Attaches the given [[Sink]] to this [[Flow]], meaning that elements will be sent to the [[Sink]]
* instead of being passed through if the predicate `when` returns `true`.
*
* @see [[#divertTo]]
*
* It is recommended to use the internally optimized `Keep.left` and `Keep.right` combiners
* where appropriate instead of manually writing functions that pass through one of the values.
*/
def divertToMat[M2, M3](that: Graph[SinkShape[Out], M2], when: function.Predicate[Out], matF: function.Function2[Mat, M2, M3]): javadsl.Source[Out, M3] =
new Source(delegate.divertToMat(that, when.test)(combinerToScala(matF)))
/**
* Interleave is a deterministic merge of the given [[Source]] with elements of this [[Source]].
* It first emits `segmentSize` number of elements from this flow to downstream, then - same amount for `that` source,