Akka intro at Amsterdam Scala Academy meetup

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Akka intro! Amsterdam Scala Academy III! Dec 19 ‘2013 +

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Akka • Akka is a toolkit and runtime for building highly concurrent, distributed, and fault tolerant event- driven applications on the JVM.

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Akka • Higly concurrent <— Actors! • Fault tolerance <— Supervision! • Distributed <— Remoting / Cluster akka-actor, akka-cluster, akka-persistence, akka-io, akka-osgi, akka-testkit, etc

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Akka • Failure: Deal with it. Viktor Klang  http://skillsmatter.com/podcast/scala/viktor-klang! • The road to akka cluster. Jonas Boner  http://skillsmatter.com/podcast/scala/jonas-boner

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Actors • Actor computation model —> Carl Hewitt, 1973.! • An actor is a computational entity that, in response to a message it receives, can concurrently:! • send a ﬁnite number of messages to other actors;! • create a ﬁnite number of new actors;! • designate the behavior to be used for the next message it receives.! • Actors in Scala: Scalaz, Liftweb, Scala actors, Akka

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Green Belt Akka • Akka concepts! • https://github.com/ajantis/akka-meetup-sthlm/ blob/master/GREEN_BELT_AKKA.md

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Practice • Akka Kata in Scala. Authors: ! ! • Henrik Engström : @h3nk3! • Björn Antonsson : @bantonsson! • http://github.com/ajantis/akka-meetup-sthlm! • > git clone [email protected]:ajantis/akka-meetup- sthlm.git! • > sbt gen-idea / sbt eclipse