raboof/pekko
1
0
Fork 0
Code Issues Pull requests Projects Releases 6 Packages Wiki Activity Actions 11

also fix FlowInterleaveSpec

Browse source 
Also-by: Johan Andrén <johan@markatta.com>
Also-by: Roland Kuhn <rk@rkuhn.info>
Also-by: Martynas Mickevičius <mmartynas@gmail.com>
This commit is contained in:
Endre Sándor Varga 2016-01-20 10:00:37 +02:00 • committed by Martynas Mickevičius
parent ef77b56e66
commit 60497f6561
195 changed files with 1110 additions and 857 deletions
Download patch file Download diff file Expand all files Collapse all files

5
akka-docs/rst/scala/code/docs/stream/cookbook/RecipeReduceByKey.scala
View file

@ -1,5 +1,6 @@
package docs.stream.cookbook
import akka.NotUsed
import akka.stream.{ Graph, FlowShape, Inlet, Outlet, Attributes, OverflowStrategy }
import akka.stream.scaladsl._
import scala.concurrent.{ Await, Future }
@ -17,7 +18,7 @@ class RecipeReduceByKey extends RecipeSpec {
def words = Source(List("hello", "world", "and", "hello", "universe", "akka") ++ List.fill(1000)("rocks!"))
//#word-count
val counts: Source[(String, Int), Unit] = words
val counts: Source[(String, Int), NotUsed] = words
// split the words into separate streams first
.groupBy(MaximumDistinctWords, identity)
// add counting logic to the streams
@ -45,7 +46,7 @@ class RecipeReduceByKey extends RecipeSpec {
def reduceByKey[In, K, Out](
maximumGroupSize: Int,
groupKey: (In) => K,
foldZero: (K) => Out)(fold: (Out, In) => Out): Flow[In, (K, Out), Unit] = {
foldZero: (K) => Out)(fold: (Out, In) => Out): Flow[In, (K, Out), NotUsed] = {
Flow[In]
.groupBy(maximumGroupSize, groupKey)