Search icon CANCEL
Subscription
0
Cart icon
Cart
Close icon
You have no products in your basket yet
Save more on your purchases!
Savings automatically calculated. No voucher code required
Arrow left icon
All Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Newsletters
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Designing Hexagonal Architecture with Java

You're reading from  Designing Hexagonal Architecture with Java

Product type Book
Published in Jan 2022
Publisher Packt
ISBN-13 9781801816489
Pages 460 pages
Edition 1st Edition
Languages
Author (1):
Davi Vieira Davi Vieira
Profile icon Davi Vieira
Toc

Table of Contents (21) Chapters close

Preface 1. Section 1: Architecture Fundamentals
2. Chapter 1: Why Hexagonal Architecture? 3. Chapter 2: Wrapping Business Rules inside Domain Hexagon 4. Chapter 3: Handling Behavior with Ports and Use Cases 5. Chapter 4: Creating Adapters to Interact with the Outside World 6. Chapter 5: Exploring the Nature of Driving and Driven Operations 7. Section 2: Using Hexagons to Create a Solid Foundation
8. Chapter 6: Building the Domain Hexagon 9. Chapter 7: Building the Application Hexagon 10. Chapter 8: Building the Framework Hexagon 11. Chapter 9: Applying Dependency Inversion with Java Modules 12. Section 3: Becoming Cloud-Native
13. Chapter 10: Adding Quarkus to a Modularized Hexagonal Application 14. Chapter 11: Leveraging CDI Beans to Manage Ports and Use Cases 15. Chapter 12: Using RESTEasy Reactive to Implement Input Adapters 16. Chapter 13: Persisting Data with Output Adapters and Hibernate Reactive 17. Chapter 14: Setting Up Dockerfile and Kubernetes Objects for Cloud Deployment 18. Chapter 15: Good Design Practices for Your Hexagonal Application 19. Assessments 20. Other Books You May Enjoy

Using policy and specification to deal with business rules

One of the most valuable things a system possesses is its codified business rules. Those rules represent a vital effort to understand a real-world problem and translate that understanding into working software. That's not a trivial task, for sure. In DDD, we learn how crucial it is to work closely with domain experts to model our problem domain correctly. If domain experts are not available, we should seek developers with knowledge in the business. If none of them is available, we have no choice but to embark on a knowledge-seeking journey through books and any other resources that can help us grasp our problem domain's inner workings.

Once the business knowledge is acquired and we have enough relevant information about the problem domain's steps and processes, we can then start the adventure to transform that knowledge into code. At a first glance, this process to understand business needs and transform them...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at ₹800/month. Cancel anytime}