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Scala Reactive Programming
book

Scala Reactive Programming

by Rambabu Posa
February 2018
Intermediate to advanced
552 pages
13h 46m
English
Packt Publishing
Content preview from Scala Reactive Programming

What is an Actor?

An Actor is the fundamental computation unit. As per Carl Hewitt's Actor Model, an Actor should perform one, and only one, responsibility. Actors are lightweight event-driven processes.

The Actor is the fundamental building block in the Actor Model as well as Akka-based applications. In simple words, we can say that an Actor is a computational unit of an entity. Like an OOP instance (object), it also has state and behavior.

Like OOP's Object, Actor = State + Behavior.

Like an OOP's object, an Actor's state is maintained in instance variables. An Actor's behavior is a function, operation, or method to perform its job or task.

As a computational unit, it should embody the following three axioms:

Actors are completely abstract ...

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Publisher Resources

ISBN: 9781787288645