Book Image

Building Applications with Scala

By : Diego Pacheco
Book Image

Building Applications with Scala

By: Diego Pacheco

Overview of this book

<p>Scala is known for incorporating both object-oriented and functional programming into a concise and extremely powerful package. However, creating an app in Scala can get a little tricky because of the complexity the language has. This book will help you dive straight into app development by creating a real, reactive, and functional application. We will provide you with practical examples and instructions using a hands-on approach that will give you a firm grounding in reactive functional principles.</p> <p>The book will take you through all the fundamentals of app development within Scala as you build an application piece by piece. We’ve made sure to incorporate everything you need from setting up to building reports and scaling architecture. This book also covers the most useful tools available in the Scala ecosystem, such as Slick, Play, and Akka, and a whole lot more. It will help you unlock the secrets of building your own up-to-date Scala application while maximizing performance and scalability.</p>
Table of Contents (17 chapters)
Building Applications with Scala
Credits
About the Author
Acknowledgments
About the Reviewer
www.PacktPub.com
Preface

Chapter 8. Developing a Chat with Akka

In the previous chapters, we persisted data into MySQL using Slick and wrote PDF reports using Jasper reports. Now we will add more features in our app using Akka.

In this chapter, you will learn how to create Actors using the Akka framework. We will use Actors in combination with the Play framework and WebSockets in order to have a chat capability.

We will cover the following topics in this chapter:

  • Understanding the Actor model

  • Actor systems, Actor routing, and dispatchers

  • Mailboxes, Actor configuration, and persistence

  • Creating our Chat Application

  • Testing our Actors