An introduction to Domain Driven Design Rob Allen, January 2024
A presentation at PHPSW, January 2024 in January 2024 in Bristol, UK by Rob Allen
An introduction to Domain Driven Design Rob Allen, January 2024
It started with a book Rob Allen | @rob@social.akrabat.com
Rob Allen | @rob@social.akrabat.com
DDD provides for the Strategic and Tactical Rob Allen | @rob@social.akrabat.com
Domains & Models Rob Allen | @rob@social.akrabat.com
A Domain is something in the real-world Rob Allen | @rob@social.akrabat.com
A Domain is the subject of our project Rob Allen | @rob@social.akrabat.com
A Domain is understood by experts in the space Rob Allen | @rob@social.akrabat.com
A Domain Model is a representation of the Domain Rob Allen | @rob@social.akrabat.com
A Domain Model is an abstraction of reality Rob Allen | @rob@social.akrabat.com
A Domain Model is expressed as diagrams, words, code Rob Allen | @rob@social.akrabat.com
Building domain knowledge Rob Allen | @rob@social.akrabat.com
“We have really everything in common with America nowadays except, of course, language” Oscar Wilde Rob Allen | @rob@social.akrabat.com
Ubiquitous Language Rob Allen | @rob@social.akrabat.com
Ubiquitous Language is The agreed concepts, meanings and terms for the project Rob Allen | @rob@social.akrabat.com
You have to talk! Rob Allen | @rob@social.akrabat.com
Ubiquitous Language is Foundational to implementing Domain Driven Design Rob Allen | @rob@social.akrabat.com
In Domain-Driven Design Everything revolves around Ubiquitous Language Rob Allen | @rob@social.akrabat.com
Observations about creating a domain model Rob Allen | @rob@social.akrabat.com
Focus effort where it matters Rob Allen | @rob@social.akrabat.com
Knowledge Crunching Rob Allen | @rob@social.akrabat.com
Knowledge Crunching Event Storming Rob Allen | @rob@social.akrabat.com
By Henning Schwentner - CC BY-SA 4.0
Knowledge Crunching User Story Mapping Rob Allen | @rob@social.akrabat.com
By Dai Fujihara - CC BY-SA 2.0
Knowledge Crunching Event Modelling Rob Allen | @rob@social.akrabat.com
eventmodelling.org
Managing Domain Complexity Rob Allen | @rob@social.akrabat.com
Bounded Contexts define the boundary for a model Rob Allen | @rob@social.akrabat.com
Bounded Contexts protect the domain model from dilution Rob Allen | @rob@social.akrabat.com
Bounded Contexts are composed into an application Rob Allen | @rob@social.akrabat.com
Context maps Rob Allen | @rob@social.akrabat.com
Tactical design Rob Allen | @rob@social.akrabat.com
Tactical Design Entities, Value Objects & Aggregates Rob Allen | @rob@social.akrabat.com
Tactical Design Storing State Rob Allen | @rob@social.akrabat.com
Tactical Design Services Rob Allen | @rob@social.akrabat.com
Tactical Design Architecture Rob Allen | @rob@social.akrabat.com
To sum up Rob Allen | @rob@social.akrabat.com
“Domain-Driven Design is about creating shared understanding of the problem space that is reinforced ubiquitously via conversations, code and diagrams.” Nick Tune Rob Allen | @rob@social.akrabat.com
Thank you! Rob Allen | @rob@social.akrabat.com
Photo Credits - Event Storming: H Schwentner, https://commons.wikimedia.org/w/index.php?curid=57766348 - Story Mapping: D Fujihara, https://www.flickr.com/photos/49942291@N06/6271934371 Rob Allen | @rob@social.akrabat.com
