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#19267 add .viaAsync combinator

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This commit is contained in:
Roland Kuhn 2015-12-22 21:15:57 +01:00
parent 8a5a420108
commit a733096564
6 changed files with 188 additions and 3 deletions
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41
akka-stream/src/main/scala/akka/stream/javadsl/Source.scala
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@ -352,6 +352,47 @@ final class Source[+Out, +Mat](delegate: scaladsl.Source[Out, Mat]) extends Grap
def viaMat[T, M, M2](flow: Graph[FlowShape[Out, T], M], combine: function.Function2[Mat, M, M2]): javadsl.Source[T, M2] =
new Source(delegate.viaMat(flow)(combinerToScala(combine)))
/**
* Transform this [[Source]] by appending the given processing stages, ensuring
* that an `asyncBoundary` attribute is set around those steps.
* {{{
* +----------------------------+
* | Resulting Source |
* | |
* | +------+ +------+ |
* | | | | | |
* | | this | ~Out~> | flow | ~~> T
* | | | | | |
* | +------+ +------+ |
* +----------------------------+
* }}}
* The materialized value of the combined [[Flow]] will be the materialized
* value of the current flow (ignoring the other Flow’s value), use
* `viaMat` if a different strategy is needed.
*/
def viaAsync[T, M](flow: Graph[FlowShape[Out, T], M]): javadsl.Source[T, Mat] =
new Source(delegate.viaAsync(flow))
/**
* Transform this [[Source]] by appending the given processing stages, ensuring
* that an `asyncBoundary` attribute is set around those steps.
* {{{
* +----------------------------+
* | Resulting Source |
* | |
* | +------+ +------+ |
* | | | | | |
* | | this | ~Out~> | flow | ~~> T
* | | | | | |
* | +------+ +------+ |
* +----------------------------+
* }}}
* The `combine` function is used to compose the materialized values of this flow and that
* flow into the materialized value of the resulting Flow.
*/
def viaAsyncMat[T, M, M2](flow: Graph[FlowShape[Out, T], M], combine: function.Function2[Mat, M, M2]): javadsl.Source[T, M2] =
new Source(delegate.viaAsyncMat(flow)(combinerToScala(combine)))
/**
* Connect this [[Source]] to a [[Sink]], concatenating the processing steps of both.
* {{{