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Akka Cookbook

You're reading from   Akka Cookbook Recipes for concurrent, fast, and reactive applications

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Product type Paperback
Published in May 2017
Publisher Packt
ISBN-13 9781785288180
Length 414 pages
Edition 1st Edition
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Authors (3):
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Vivek Mishra Vivek Mishra
Author Profile Icon Vivek Mishra
Vivek Mishra
Piyush Mishra Piyush Mishra
Author Profile Icon Piyush Mishra
Piyush Mishra
Héctor Veiga Ortiz Héctor Veiga Ortiz
Author Profile Icon Héctor Veiga Ortiz
Héctor Veiga Ortiz
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Toc

Table of Contents (12) Chapters Close

Preface 1. Diving into Akka FREE CHAPTER 2. Supervision and Monitoring 3. Routing Messages 4. Using Futures and Agents 5. Scheduling Actors and Other Utilities 6. Akka Persistence 7. Remoting and Akka Clustering 8. Akka Streams 9. Akka HTTP 10. Understanding Various Akka patterns 11. Microservices with Lagom

Writing routing DSL for HTTP servers

Akka HTTP provides an elegant DSL for defining the layout of your REST API. This DSL allows you to compose different directives to route and handle your incoming requests. Directives are functions that either let the HTTP request through or reject it depending on its nature. There are over 150 distinct directives to handle the different aspects of the HTTP protocol and parameters of an HTTP request or response. For instance, there are method directives (post, get, put, delete, and so on) or path directives to match a certain path in the URI of the request.

Check all the predefined directives ordered alphabetically in http://doc.akka.io/docs/akka-http/current/scala/http/routing-dsl/directives/alphabetically.html.

In this recipe, we see how to easily write a CRUD (Create, Read, Update, Delete) REST API using memory as our storage solution. We will...

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