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!str #18692 javadsl.FlowGraph.Builder.add()

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* also make factories more consistent by only offering
  FlowGraph.create()
* also remove secondary (edge-based) FlowGraph.Builder DSL
* also improve naming for conversions from Graph to
  Source/Flow/BidiFlow/Sink
This commit is contained in:
Viktor Klang 2015-10-21 22:45:39 +02:00 • committed by Roland Kuhn
parent 0f99a42df9
commit f29d7affbd
120 changed files with 1535 additions and 1897 deletions
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25
akka-stream/src/main/scala/akka/stream/impl/ConstantFun.scala Normal file
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/**
* Copyright (C) 2015 Typesafe Inc. <http://www.typesafe.com>
*/
package akka.stream.impl
import akka.japi.function.{ Function ⇒ JFun, Function2 ⇒ JFun2 }
import akka.japi.{ Pair ⇒ JPair }
private[stream] object ConstantFun {
private[this] val JavaIdentityFunction = new JFun[Any, Any] {
@throws(classOf[Exception]) override def apply(param: Any): Any = param
}
val JavaPairFunction = new JFun2[AnyRef, AnyRef, AnyRef JPair AnyRef] {
def apply(p1: AnyRef, p2: AnyRef): AnyRef JPair AnyRef = JPair(p1, p2)
}
private[this] val ScalaIdentityFunction = (a: Any) ⇒ a
def javaCreatePairFunction[A, B]: JFun2[A, B, JPair[A, B]] = JavaPairFunction.asInstanceOf[JFun2[A, B, JPair[A, B]]]
def javaIdentityFunction[T]: JFun[T, T] = JavaIdentityFunction.asInstanceOf[JFun[T, T]]
def scalaIdentityFunction[T]: T ⇒ T = ScalaIdentityFunction.asInstanceOf[T ⇒ T]
}