Rx.NET in Action: With examples in C#

Rx.NET in Action: With examples in C#
By Tamir Dresher

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Product Description


Rx.NET in Action teaches developers how to build event-driven applications using the Reactive Extensions (Rx) library.

Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.

About the Technology

Modern applications must react to streams of data such as user and system events, internal messages, and sensor input. Reactive Extensions (Rx) is a .NET library containing more than 600 operators that you can compose together to build reactive client- and server-side applications to handle events asynchronously in a way that maximizes responsiveness, resiliency, and elasticity.

About the Book

Rx.NET in Action teaches developers how to build event-driven applications using the Rx library. Starting with an overview of the design and architecture of Rx-based reactive applications, you'll get hands-on with in-depth code examples to discover firsthand how to exploit the rich query capabilities that Rx provides and the Rx concurrency model that allows you to control both the asynchronicity of your code and the processing of event handlers. You'll also learn about consuming event streams, using schedulers to manage time, and working with Rx operators to filter, transform, and group events.

What's Inside

  • Introduction to Rx in C#
  • Creating and consuming streams of data and events
  • Building complex queries on event streams
  • Error handling and testing Rx code

About the Reader

Readers should understand OOP concepts and be comfortable coding in C#.

About the Author

Tamir Dresher is a senior software architect at CodeValue and a prominent member of Israel's Microsoft programming community.

Table of Contents


  1. Reactive programming
  2. Hello, Rx
  3. Functional thinking in C#

  5. Creating observable sequences
  6. Creating observables from .NET asynchronous types
  7. Controlling the observer-observable relationship
  8. Controlling the observable temperature
  9. Working with basic query operators
  10. Partitioning and combining observables
  11. Working with Rx concurrency and synchronization
  12. Error handling and recovery

  14. Writing asynchronous code in .NET
  15. The Rx Disposables library
  16. Testing Rx queries and operators

Product Details

  • Amazon Sales Rank: #130372 in Books
  • Published on: 2017-05-08
  • Original language: English
  • Dimensions: 9.20" h x .70" w x 7.30" l, .0 pounds
  • Binding: Paperback
  • 344 pages

Editorial Reviews

About the Author

Tamir Dresher is a senior software architect at CodeValue. A prominent member of Israel's Microsoft programming community, Tamir has trained hundreds of developers to use Reactive Extensions.

Customer Reviews

Most helpful customer reviews

1 of 1 people found the following review helpful.
4Excellent book, Tamir does a great job
By Andy
Excellent book, Tamir does a great job and explain each process with an example and figure -
and I 'am a fan of Manning publications.

0 of 0 people found the following review helpful.
4Be sure you have some .NET development experience, know C# and are comfortable with Microsoft Visual Studio
By Si Dunn
I agree that this book offers good explanations of reactive programming, the RX framework (which I have used with JavaScript), and functional programming with C#. I like the descriptions and the illustrations for observables, observers, and operators, plus marble diagrams and how the four traits of a reactive system -- responsive, resilient, elastic, and message-driven -- are the heart of the Reactive Manifesto.

What does *not* please me about this book is its seemingly vague approach to starting a new Rx project using Microsoft Visual Studio. The author uses a deprecated format but includes a few short notes on how to change to a newer approach using Visual Studio 2015. However, I already had Visual Studio 2017 loaded, and the code examples in the book looked somewhat different than the code examples available for download. Likewise, VS 2017 has some differences from VS 2015. All in all, I had to struggle a bit to finally get things on track and create good builds.

My first impulse was to give this book three stars instead of four. But being an author myself (not of software books), I know how much hard, well-meaning work goes into creating a manuscript. Also, software often changes faster than how-to-use-it books can keep pace. Instead, I conceded that my .NET and Visual Studio 2017 skills need more work.

Tamir Dresher's book is well written and has good illustrations and code examples. I will continue to use his book to better understand Rx .NET development, while I find other paths to get a good grounding in VS 2017.

Rx.Net in Action is aimed at .NET developers "who write event-based and asynchronous applications and need powerful consuming and querying capabilities over events and push-based sources." The book also is a good introduction to reactive programming and Rx library techniques. The code examples are written in C#.

My thanks to Manning Books for sending me an advance reading copy for review.

0 of 0 people found the following review helpful.
5Solid book on Reactive Extensions
By Jason Bock
Disclaimer: I've written a book for Manning, but I received no compensation for doing this review.

I recently finished this book, and overall I'm very happy with it. Dresher does a good job covering why Rx is a framework .NET developers should learn, and then he covers numerous ways that you can use the goodness of Rx. If you're interested in reactive programming I strongly recommend getting this book.

See all 3 customer reviews...

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