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Scala Reactive Programming

You're reading from   Scala Reactive Programming Build scalable, functional reactive microservices with Akka, Play, and Lagom

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Product type Paperback
Published in Feb 2018
Publisher Packt
ISBN-13 9781787288645
Length 552 pages
Edition 1st Edition
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Author (1):
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Rambabu Posa Rambabu Posa
Author Profile Icon Rambabu Posa
Rambabu Posa
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Table of Contents (16) Chapters Close

Preface 1. Getting Started with Reactive and Functional Programming FREE CHAPTER 2. Functional Scala 3. Asynchronous Programming with Scala 4. Building Reactive Applications with Akka 5. Adding Reactiveness with RxScala 6. Extending Applications with Play 7. Working with Reactive Streams 8. Integrating Akka Streams to Play Application 9. Reactive Microservices with Lagom 10. Testing Reactive Microservices 11. Managing Microservices in ConductR 12. Reactive Design Patterns and Best Practices 13. Scala Plugin for IntelliJ IDEA 14. Installing Robomongo 15. Other Books You May Enjoy

Akka Actors

In this section, we will discuss what an Actor is, its components, and the Actor lifecycle in detail. We will also discuss the differences between ActorPath and ActorRef.

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...

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