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Domain-Driven Design in PHP

You're reading from Domain-Driven Design in PHP A Highly Practical Guide

Product type Paperback

Published in Jun 2017

Publisher

ISBN-13 9781787284944

Length 394 pages

Edition 1st Edition

Languages

PHP

Concepts

Design

Authors (3):

Keyvan Akbary

Carlos Buenosvinos

Christian Soronellas

View More author details

Table of Contents (16) Chapters

Preface

1. Getting Started with Domain-Driven Design FREE CHAPTER

2. Architectural Styles

3. Value Objects

4. Entities

5. Services

6. Domain-Events

7. Modules

8. Aggregates

9. Factories

10. Repositories

11. Application

12. Integrating Bounded Contexts

13. Hexagonal Architecture with PHP

14. Bibliography

15. The End

Definition

Domain Events are one specific type of Event used for notifying local or remote Bounded Contexts of Domain changes.

Vaughn Vernon defines a Domain Event as:

An occurrence of something that happened in the domain.

Eric Evans defines a Domain Event as:

A full-fledged part of the Domain Model, a representation of something that happened in the Domain. Ignore irrelevant Domain activity while making explicit the events that the Domain Experts want to track or be notified of, or which are associated with state change in the other Model objects.

Martin Fowler defines a Domain Event as something that:

Captures the memory of something interesting which affects the Domain.

Examples of Domain Events in a web application are UserRegistered, OrderPlaced, UserRelocated, and ProductAdded.

Short Story

In a ticket sales agency, a content manager decides to increase the price of a U2 show. Using her back office, she edits the show. A ShowPriceChanged Domain Event is published and persisted into the...

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Authors (3)

Keyvan Akbary

Keyvan Akbary

Keyvan Akbary is a polyglot Software Developer who loves Software fundamentals, the Craftsmanship movement, Extreme Programming, SOLID principles, Clean Code, Design Patterns, and Testing. He's also a sporadic Functional Programmer. He understands technology as a medium for providing value. He has worked on countless projects as a freelancer, on video streaming (Youzee), and on an online marketplace (MyBuilder) - all in addition to founding a crowdfunding company (Funddy). Currently, Keyvan is working in FinTech as a Lead Developer at TransferWise London.

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Carlos Buenosvinos

Carlos Buenosvinos

Carlos Buenosvinos is a PHP Extreme Programmer with more than 15 years of experience developing web applications and more than 10 years experience as a Tech Lead and CTO leading teams of between 20 and 100 people. He is a Certified ScrumMaster (CSM) and has coached and trained close to two dozen different companies in Agile practices, both as an employee and as a consultant. On the technical side, he is a Zend PHP Engineer, a Zend Framework Engineer, and MySQL certified. He is also a board member of the PHP Barcelona User Group. He has worked with e-commerce (Atrapalo and eBay), payment processing (Vendo), classifieds (Emagister), and B2B recruiting tools (XING). He is interested in JavaScript, DevOps, and Scala. He likes developing for mobile, Raspberry Pi, and games.

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Christian Soronellas

Christian Soronellas

Christian Soronellas is a passionate Software Developer, Software Journeyman, and Craftsman Apprentice. He's an Extreme Programmer soul with more than 10 years of experience in web development. He's also a Zend PHP 5.3 Certified Engineer, a Zend Framework Certified Engineer, and a SensioLabs Certified Symfony Developer. He has worked as a freelancer, as well as at Privalia, Emagister, Atrapalo, and Enalquiler as a Software Architect.

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