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+doc #16549 StreamTCP docs

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This commit is contained in:
Konrad 'ktoso' Malawski 2014-12-22 16:18:26 +01:00
parent f9ab2e42c5
commit e98af843ae
16 changed files with 305 additions and 108 deletions
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21
akka-docs-dev/rst/scala/code/docs/stream/TwitterStreamQuickstartDocSpec.scala
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@ -36,7 +36,7 @@ object TwitterStreamQuickstartDocSpec {
final case class Tweet(author: Author, timestamp: Long, body: String) {
def hashtags: Set[Hashtag] =
body.split(" ").collect { case t if t.startsWith("#") ⇒ Hashtag(t) }.toSet
body.split(" ").collect { case t if t.startsWith("#") => Hashtag(t) }.toSet
}
//#model
@ -54,7 +54,6 @@ object TwitterStreamQuickstartDocSpec {
Nil)
}
// TODO replace ⇒ with => and disable this intellij setting
class TwitterStreamQuickstartDocSpec extends AkkaSpec {
import TwitterStreamQuickstartDocSpec._
@ -86,7 +85,7 @@ class TwitterStreamQuickstartDocSpec extends AkkaSpec {
trait Example3 {
//#authors-collect
val authors: Source[Author] =
tweets.collect { case t if t.hashtags.contains(Akka) ⇒ t.author }
tweets.collect { case t if t.hashtags.contains(Akka) => t.author }
//#authors-collect
}
@ -118,7 +117,7 @@ class TwitterStreamQuickstartDocSpec extends AkkaSpec {
// format: OFF
//#flow-graph-broadcast
val g = FlowGraph { implicit builder ⇒
val g = FlowGraph { implicit builder =>
import FlowGraphImplicits._
val b = Broadcast[Tweet]
@ -151,8 +150,8 @@ class TwitterStreamQuickstartDocSpec extends AkkaSpec {
//#backpressure-by-readline
val completion: Future[Unit] =
Source(1 to 10)
.map(i ⇒ { println(s"map => $i"); i })
.foreach { i ⇒ readLine(s"Element = $i; continue reading? [press enter]\n") }
.map(i => { println(s"map => $i"); i })
.foreach { i => readLine(s"Element = $i; continue reading? [press enter]\n") }
Await.ready(completion, 1.minute)
//#backpressure-by-readline
@ -163,17 +162,17 @@ class TwitterStreamQuickstartDocSpec extends AkkaSpec {
//#tweets-fold-count
val sumSink = Sink.fold[Int, Int](0)(_ + _)
val counter: RunnableFlow = tweets.map(t ⇒ 1).to(sumSink)
val counter: RunnableFlow = tweets.map(t => 1).to(sumSink)
val map: MaterializedMap = counter.run()
val sum: Future[Int] = map.get(sumSink)
sum.map { c ⇒ println(s"Total tweets processed: $c") }
sum.map { c => println(s"Total tweets processed: $c") }
//#tweets-fold-count
new AnyRef {
//#tweets-fold-count-oneline
val sum: Future[Int] = tweets.map(t ⇒ 1).runWith(sumSink)
val sum: Future[Int] = tweets.map(t => 1).runWith(sumSink)
//#tweets-fold-count-oneline
}
}
@ -186,7 +185,7 @@ class TwitterStreamQuickstartDocSpec extends AkkaSpec {
val counterRunnableFlow: RunnableFlow =
tweetsInMinuteFromNow
.filter(_.hashtags contains Akka)
.map(t ⇒ 1)
.map(t => 1)
.to(sumSink)
// materialize the stream once in the morning
@ -204,7 +203,7 @@ class TwitterStreamQuickstartDocSpec extends AkkaSpec {
val sum: Future[Int] = map.get(sumSink)
sum.map { c ⇒ println(s"Total tweets processed: $c") }
sum.map { c => println(s"Total tweets processed: $c") }
//#tweets-fold-count
}