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Update scalariform (#23778) (#23783)

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Arnout Engelen 2017-10-06 10:30:28 +02:00 • committed by GitHub
parent 63ccdeec16
commit b1df13d4d4
221 changed files with 1528 additions and 1580 deletions
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14
akka-docs/src/test/scala/docs/stream/cookbook/RecipeReduceByKey.scala
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@ -24,7 +24,7 @@ class RecipeReduceByKey extends RecipeSpec {
//transform each element to pair with number of words in it
.map(_ -> 1)
// add counting logic to the streams
.reduce((l, r) => (l._1, l._2 + r._2))
.reduce((l, r) ⇒ (l._1, l._2 + r._2))
// get a stream of word counts
.mergeSubstreams
//#word-count
@ -45,21 +45,21 @@ class RecipeReduceByKey extends RecipeSpec {
//#reduce-by-key-general
def reduceByKey[In, K, Out](
maximumGroupSize: Int,
groupKey: (In) => K,
map: (In) => Out)(reduce: (Out, Out) => Out): Flow[In, (K, Out), NotUsed] = {
groupKey: (In) ⇒ K,
map: (In) ⇒ Out)(reduce: (Out, Out) ⇒ Out): Flow[In, (K, Out), NotUsed] = {
Flow[In]
.groupBy[K](maximumGroupSize, groupKey)
.map(e => groupKey(e) -> map(e))
.reduce((l, r) => l._1 -> reduce(l._2, r._2))
.map(e ⇒ groupKey(e) -> map(e))
.reduce((l, r) ⇒ l._1 -> reduce(l._2, r._2))
.mergeSubstreams
}
val wordCounts = words.via(
reduceByKey(
MaximumDistinctWords,
groupKey = (word: String) => word,
map = (word: String) => 1)((left: Int, right: Int) => left + right))
groupKey = (word: String) ⇒ word,
map = (word: String) ⇒ 1)((left: Int, right: Int) ⇒ left + right))
//#reduce-by-key-general
Await.result(wordCounts.limit(10).runWith(Sink.seq), 3.seconds).toSet should be(Set(