format source with scalafmt
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Patrik Nordwall
parent
0f40491d42
commit
ce404e4f53
1669 changed files with 43208 additions and 35404 deletions
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@ -161,24 +161,21 @@ class IntegrationDocSpec extends AkkaSpec(IntegrationDocSpec.config) {
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//#tweet-authors
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val authors: Source[Author, NotUsed] =
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tweets
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.filter(_.hashtags.contains(akkaTag))
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.map(_.author)
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tweets.filter(_.hashtags.contains(akkaTag)).map(_.author)
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//#tweet-authors
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//#email-addresses-mapAsync
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val emailAddresses: Source[String, NotUsed] =
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authors
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.mapAsync(4)(author => addressSystem.lookupEmail(author.handle))
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.collect { case Some(emailAddress) => emailAddress }
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authors.mapAsync(4)(author => addressSystem.lookupEmail(author.handle)).collect {
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case Some(emailAddress) => emailAddress
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}
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//#email-addresses-mapAsync
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//#send-emails
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val sendEmails: RunnableGraph[NotUsed] =
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emailAddresses
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.mapAsync(4)(address => {
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emailServer.send(
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Email(to = address, title = "Akka", body = "I like your tweet"))
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emailServer.send(Email(to = address, title = "Akka", body = "I like your tweet"))
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})
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.to(Sink.ignore)
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@ -208,19 +205,14 @@ class IntegrationDocSpec extends AkkaSpec(IntegrationDocSpec.config) {
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val onErrorMessage = (ex: Throwable) => AckingReceiver.StreamFailure(ex)
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val probe = TestProbe()
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val receiver = system.actorOf(
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Props(new AckingReceiver(probe.ref, ackWith = AckMessage)))
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val sink = Sink.actorRefWithAck(
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receiver,
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onInitMessage = InitMessage,
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ackMessage = AckMessage,
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onCompleteMessage = OnCompleteMessage,
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onFailureMessage = onErrorMessage
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)
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val receiver = system.actorOf(Props(new AckingReceiver(probe.ref, ackWith = AckMessage)))
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val sink = Sink.actorRefWithAck(receiver,
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onInitMessage = InitMessage,
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ackMessage = AckMessage,
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onCompleteMessage = OnCompleteMessage,
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onFailureMessage = onErrorMessage)
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words
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.map(_.toLowerCase)
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.runWith(sink)
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words.map(_.toLowerCase).runWith(sink)
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probe.expectMsg("Stream initialized!")
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probe.expectMsg("hello")
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@ -272,7 +264,8 @@ class IntegrationDocSpec extends AkkaSpec(IntegrationDocSpec.config) {
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val emailAddresses: Source[String, NotUsed] =
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authors.via(
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Flow[Author].mapAsync(4)(author => addressSystem.lookupEmail(author.handle))
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Flow[Author]
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.mapAsync(4)(author => addressSystem.lookupEmail(author.handle))
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.withAttributes(supervisionStrategy(resumingDecider)))
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//#email-addresses-mapAsync-supervision
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}
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@ -287,29 +280,28 @@ class IntegrationDocSpec extends AkkaSpec(IntegrationDocSpec.config) {
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tweets.filter(_.hashtags.contains(akkaTag)).map(_.author)
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val emailAddresses: Source[String, NotUsed] =
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authors
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.mapAsyncUnordered(4)(author => addressSystem.lookupEmail(author.handle))
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.collect { case Some(emailAddress) => emailAddress }
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authors.mapAsyncUnordered(4)(author => addressSystem.lookupEmail(author.handle)).collect {
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case Some(emailAddress) => emailAddress
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}
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val sendEmails: RunnableGraph[NotUsed] =
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emailAddresses
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.mapAsyncUnordered(4)(address => {
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emailServer.send(
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Email(to = address, title = "Akka", body = "I like your tweet"))
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emailServer.send(Email(to = address, title = "Akka", body = "I like your tweet"))
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})
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.to(Sink.ignore)
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sendEmails.run()
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//#external-service-mapAsyncUnordered
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probe.receiveN(7).toSet should be(Set(
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"rolandkuhn@somewhere.com",
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"patriknw@somewhere.com",
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"bantonsson@somewhere.com",
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"drewhk@somewhere.com",
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"ktosopl@somewhere.com",
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"mmartynas@somewhere.com",
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"akkateam@somewhere.com"))
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probe.receiveN(7).toSet should be(
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Set("rolandkuhn@somewhere.com",
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"patriknw@somewhere.com",
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"bantonsson@somewhere.com",
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"drewhk@somewhere.com",
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"ktosopl@somewhere.com",
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"mmartynas@somewhere.com",
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"akkateam@somewhere.com"))
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}
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"careful managed blocking with mapAsync" in {
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@ -320,8 +312,9 @@ class IntegrationDocSpec extends AkkaSpec(IntegrationDocSpec.config) {
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val authors = tweets.filter(_.hashtags.contains(akkaTag)).map(_.author)
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val phoneNumbers =
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authors.mapAsync(4)(author => addressSystem.lookupPhoneNumber(author.handle))
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.collect { case Some(phoneNo) => phoneNo }
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authors.mapAsync(4)(author => addressSystem.lookupPhoneNumber(author.handle)).collect {
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case Some(phoneNo) => phoneNo
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}
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//#blocking-mapAsync
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val blockingExecutionContext = system.dispatchers.lookup("blocking-dispatcher")
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@ -330,8 +323,7 @@ class IntegrationDocSpec extends AkkaSpec(IntegrationDocSpec.config) {
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phoneNumbers
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.mapAsync(4)(phoneNo => {
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Future {
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smsServer.send(
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TextMessage(to = phoneNo, body = "I like your tweet"))
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smsServer.send(TextMessage(to = phoneNo, body = "I like your tweet"))
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}(blockingExecutionContext)
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})
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.to(Sink.ignore)
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@ -339,14 +331,14 @@ class IntegrationDocSpec extends AkkaSpec(IntegrationDocSpec.config) {
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sendTextMessages.run()
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//#blocking-mapAsync
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probe.receiveN(7).toSet should be(Set(
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"rolandkuhn".hashCode.toString,
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"patriknw".hashCode.toString,
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"bantonsson".hashCode.toString,
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"drewhk".hashCode.toString,
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"ktosopl".hashCode.toString,
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"mmartynas".hashCode.toString,
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"akkateam".hashCode.toString))
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probe.receiveN(7).toSet should be(
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Set("rolandkuhn".hashCode.toString,
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"patriknw".hashCode.toString,
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"bantonsson".hashCode.toString,
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"drewhk".hashCode.toString,
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"ktosopl".hashCode.toString,
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"mmartynas".hashCode.toString,
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"akkateam".hashCode.toString))
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}
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"careful managed blocking with map" in {
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@ -357,8 +349,9 @@ class IntegrationDocSpec extends AkkaSpec(IntegrationDocSpec.config) {
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val authors = tweets.filter(_.hashtags.contains(akkaTag)).map(_.author)
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val phoneNumbers =
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authors.mapAsync(4)(author => addressSystem.lookupPhoneNumber(author.handle))
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.collect { case Some(phoneNo) => phoneNo }
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authors.mapAsync(4)(author => addressSystem.lookupPhoneNumber(author.handle)).collect {
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case Some(phoneNo) => phoneNo
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}
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//#blocking-map
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val send = Flow[String]
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@ -392,9 +385,7 @@ class IntegrationDocSpec extends AkkaSpec(IntegrationDocSpec.config) {
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implicit val timeout = Timeout(3.seconds)
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val saveTweets: RunnableGraph[NotUsed] =
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akkaTweets
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.mapAsync(4)(tweet => database ? Save(tweet))
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.to(Sink.ignore)
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akkaTweets.mapAsync(4)(tweet => database ? Save(tweet)).to(Sink.ignore)
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//#save-tweets
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saveTweets.run()
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@ -419,8 +410,8 @@ class IntegrationDocSpec extends AkkaSpec(IntegrationDocSpec.config) {
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implicit val blockingExecutionContext = system.dispatchers.lookup("blocking-dispatcher")
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val service = new SometimesSlowService
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implicit val materializer = ActorMaterializer(
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ActorMaterializerSettings(system).withInputBuffer(initialSize = 4, maxSize = 4))
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implicit val materializer =
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ActorMaterializer(ActorMaterializerSettings(system).withInputBuffer(initialSize = 4, maxSize = 4))
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Source(List("a", "B", "C", "D", "e", "F", "g", "H", "i", "J"))
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.map(elem => { println(s"before: $elem"); elem })
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@ -451,8 +442,8 @@ class IntegrationDocSpec extends AkkaSpec(IntegrationDocSpec.config) {
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implicit val blockingExecutionContext = system.dispatchers.lookup("blocking-dispatcher")
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val service = new SometimesSlowService
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implicit val materializer = ActorMaterializer(
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ActorMaterializerSettings(system).withInputBuffer(initialSize = 4, maxSize = 4))
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implicit val materializer =
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ActorMaterializer(ActorMaterializerSettings(system).withInputBuffer(initialSize = 4, maxSize = 4))
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Source(List("a", "B", "C", "D", "e", "F", "g", "H", "i", "J"))
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.map(elem => { println(s"before: $elem"); elem })
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@ -460,17 +451,17 @@ class IntegrationDocSpec extends AkkaSpec(IntegrationDocSpec.config) {
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.runForeach(elem => println(s"after: $elem"))
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//#sometimes-slow-mapAsyncUnordered
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probe.receiveN(10).toSet should be(Set(
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"after: A",
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"after: B",
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"after: C",
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"after: D",
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"after: E",
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"after: F",
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"after: G",
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"after: H",
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"after: I",
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"after: J"))
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probe.receiveN(10).toSet should be(
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Set("after: A",
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"after: B",
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"after: C",
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"after: D",
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"after: E",
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"after: F",
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"after: G",
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"after: H",
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"after: I",
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"after: J"))
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}
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"illustrate use of source queue" in {
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@ -488,14 +479,16 @@ class IntegrationDocSpec extends AkkaSpec(IntegrationDocSpec.config) {
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val source = Source(1 to 10)
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implicit val ec = system.dispatcher
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source.mapAsync(1)(x => {
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queue.offer(x).map {
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case QueueOfferResult.Enqueued => println(s"enqueued $x")
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case QueueOfferResult.Dropped => println(s"dropped $x")
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case QueueOfferResult.Failure(ex) => println(s"Offer failed ${ex.getMessage}")
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case QueueOfferResult.QueueClosed => println("Source Queue closed")
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}
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}).runWith(Sink.ignore)
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source
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.mapAsync(1)(x => {
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queue.offer(x).map {
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case QueueOfferResult.Enqueued => println(s"enqueued $x")
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case QueueOfferResult.Dropped => println(s"dropped $x")
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case QueueOfferResult.Failure(ex) => println(s"Offer failed ${ex.getMessage}")
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case QueueOfferResult.QueueClosed => println("Source Queue closed")
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}
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})
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.runWith(Sink.ignore)
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//#source-queue
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}
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