Book Image

Akka Cookbook

By : Vivek Mishra, Héctor Veiga Ortiz
Book Image

Akka Cookbook

By: Vivek Mishra, Héctor Veiga Ortiz

Overview of this book

Akka is an open source toolkit that simplifies the construction of distributed and concurrent applications on the JVM. This book will teach you how to develop reactive applications in Scala using the Akka framework. This book will show you how to build concurrent, scalable, and reactive applications in Akka. You will see how to create high performance applications, extend applications, build microservices with Lagom, and more. We will explore Akka's actor model and show you how to incorporate concurrency into your applications. The book puts a special emphasis on performance improvement and how to make an application available for users. We also make a special mention of message routing and construction. By the end of this book, you will be able to create a high-performing Scala application using the Akka framework.
Table of Contents (18 chapters)
Title Page
About the Authors
About the Reviewer
Customer Feedback

Scheduling an actor's operation at a specified interval

Scheduling an actor is the same as we scheduling the simple operation. There are cases where we want an actor to do some after some work repeatedly after an interval of time. 

Getting ready

Just import the Hello-Akka project in the IDE; no other prerequisites are required. 

How to do it…

  1. Create a file, say, ScheduleActor.scala in the com.packt.chapter5 package.
  2. Add the following imports to the top of the file:
        import{Actor, Props, ActorSystem}
        import scala.concurrent.duration._
  1. Create a simple actor, as follows, that adds two random integers:
        class RandomIntAdder extends Actor {
          val r = scala.util.Random
          def receive = {
            case "tick" => 
              val randomInta = r.nextInt(10)
              val randomIntb = r.nextInt(10)
              println(s"sum of $randomInta and $randomIntb is 
              ${randomInta + randomIntb}")

  1. Create a test application...