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Hands-On Domain-Driven Design with .NET Core

You're reading from   Hands-On Domain-Driven Design with .NET Core Tackling complexity in the heart of software by putting DDD principles into practice

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Product type Paperback
Published in Apr 2019
Publisher Packt
ISBN-13 9781788834094
Length 446 pages
Edition 1st Edition
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Author (1):
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Alexey Zimarev Alexey Zimarev
Author Profile Icon Alexey Zimarev
Alexey Zimarev
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Table of Contents (14) Chapters Close

Preface 1. Why Domain-Driven Design? FREE CHAPTER 2. Language and Context 3. EventStorming 4. Designing the Model 5. Implementing the Model 6. Acting with Commands 7. Consistency Boundary 8. Aggregate Persistence 9. CQRS - The Read Side 10. Event Sourcing 11. Projections and Queries 12. Bounded Context 13. Other Books You May Enjoy

Summary

In this chapter, we looked at how the intent of our users can be represented as commands that those users send to our system. We learned how these commands can be handled, looked at several examples of the command handler pattern, and then got to the application service.

We looked at API versioning; although it is not directly related to the book topic, the practice is too important to ignore. We will touch upon the versioning topic in Chapter 10, Event Sourcing.

Our application service grew throughout this chapter, and we used one of the latest features of C#, a gift from the functional world, called advanced pattern matching. We used this feature to simplify the application service interface, which ended up having just a single method. By doing this, we also enabled using a composition, yet another functional-style approach, to chain command handling with operational...

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