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Introduction to Actors • Akka Documentation

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Actors can also be seen as a form of active objects where invoking a method corresponds to sending a message. The Scala Actors library provides both asynchronous and synchronous message sends (the latter are implemented by exchanging several asynchronous messages).
Akka. The Actor Model is a very promising concurrent programming model. One of its most successful implementations is Akka, which is the reference implementation on the JVM.);})();(function(){window.jsl.dh(z7bFZvkvhrXQ8Q_7x4GIAw__22,
Actors are containers​. You can think of an Actor as a cloud app or service that runs on the Apify platform. The run of an Actor is not limited to the lifetime of a single HTTP transaction. It can run for as long as necessary, even forever.
The behavior of an actor defines how it reacts to the messages that it receives. The message may either be of the type that the Actor declares and which is part of the ActorRef signature, or it may be a system Signal that expresses a lifecycle event of either this actor or one of its child actors.
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.