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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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23
akka-stream/src/main/scala/akka/stream/javadsl/SubSource.scala
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@ -61,7 +61,7 @@ class SubSource[+Out, +Mat](delegate: scaladsl.SubFlow[Out, Mat, scaladsl.Source
new Source(delegate.concatSubstreams)
/**
* Transform this [[Flow]] by appending the given processing steps.
* Transform this [[SubSource]] by appending the given processing steps.
* {{{
* +----------------------------+
* | Resulting Source |
@ -80,6 +80,27 @@ class SubSource[+Out, +Mat](delegate: scaladsl.SubFlow[Out, Mat, scaladsl.Source
def via[T, M](flow: Graph[FlowShape[Out, T], M]): SubSource[T, Mat] =
new SubSource(delegate.via(flow))
/**
* Transform this [[SubSource]] by appending the given processing steps, 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
* [[Flow#viaMat viaMat]] if a different strategy is needed.
*/
def viaAsync[T, M](flow: Graph[FlowShape[Out, T], M]): SubSource[T, Mat] =
new SubSource(delegate.viaAsync(flow))
/**
* Connect this [[SubSource]] to a [[Sink]], concatenating the processing steps of both.
* This means that all sub-flows that result from the previous sub-stream operator