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Get Your Hands Dirty on Clean Architecture

You're reading from Get Your Hands Dirty on Clean Architecture Build ‘clean' applications with code examples in Java

Product type Paperback

Published in Sep 2019

Publisher Packt

ISBN-13 9781839211966

Length 156 pages

Edition 1st Edition

Languages

Java

Concepts

Software Architecture

Author (1):

Tom Hombergs

View More author details

Table of Contents (13) Chapters

About the Book

1. What's Wrong with Layers? FREE CHAPTER

2. Inverting Dependencies

3. Organizing Code

4. Implementing a Use Case

5. Implementing a Web Adapter

6. Implementing a Persistence Adapter

7. Testing Architecture Elements

8. Mapping Between Boundaries

9. Assembling the Application

10. Enforcing Architecture Boundaries

11. Taking Shortcuts Consciously

12. Deciding on an Architecture Style

How Does This Help Me Build Maintainable Software?

When building a web adapter for an application, we should keep in mind that we are building an adapter that translates HTTP to method calls for the use cases of our application and translates the results back to HTTP and does not do any domain logic.

The application layer, on the other hand, should not do HTTP, so we should make sure not to leak HTTP details. This makes the web adapter replaceable by another adapter should the need arise.

When slicing web controllers, we should not be afraid to build many small classes that don't share a model. They are easier to grasp, to test, and support parallel work. It's more work initially to set up such fine-grained controllers, but it will pay off during maintenance.

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Authors (1)

Tom Hombergs

Tom Hombergs

Tom Hombergs is a software engineer by profession and by passion with more than a decade of experience working on many different software projects for many different clients across various industries. In software projects, he takes on the roles of software developer, architect, and coach, with a focus on the Java ecosystem. He has found that writing is the best way to learn, so he likes to dive deep into topics he encounters in his software projects to create texts that give structure to the chaotic world of software development. He regularly writes about software development on his blog and is an occasional speaker at conferences.

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