Milko Kosturkov
An experienced developer specializing in the web.
DDD Quick Intro
"The Blue Book"
Domain Driven Design:
The important parts (IMHO)
- Focus on the domain of the problem
- Collaboration with the domain experts
- Usage of Ubiquitous Language
- Recognition of Bounded Contexts
Music Idol
Music Idol
The Domain
Help all the teams involved in the production do their job quicker, easier and with better quality...
We didn't really know what we were supposed to create
Music Idol
The Domain Experts
- the casting team
- the assistant directors
- the wardrobe and makeup people
- the producers
Music Idol
The Ubiquitous Language
- contestant
- list (of contestants)
- location
- room (blue, red, green...)
- tape
- time code
- rehearsal
Music Idol
Bounded Contexts
- contestants sign-up
- contestant communication
- casting management
- video tapes management
- user roles management
Terms
- Entities
- Value Objects
- Aggregates
- Aggregate Roots
- Services
- Application services
- Repositories
- Factories
Terms (tech. perspective)
- Entities - mutable objects
- Value Objects - immutable objects
- Aggregates - a bunch of associated objects
- Aggregate Roots - the entry object to the upper
- Services - functions
- Repositories - interfaces for digging through entities
- Factories - Factory objects
Extra tech stuff
- Application Services / Use Cases
- Command Query Responsibility Segregation
- Event sourcing
- Hexagonal / Onion / Ports and Adapters Architecture
- Screaming Architecture
- Action-Domain-Responder
DDD Quick Intro
By Milko Kosturkov
