Implementing Domain-Driven Design

Using a Mini-Layer of Domain Services

Sometimes it may be desirable to create a “mini-layer” of Domain Services above the rest of your domain model Entities and Value Objects. As I previously indicated, this will often lead down the precarious path of Anemic Domain Model, which should be considered an anti-pattern.

Yet, there are some systems where designing in the mini-layer of Domain Services makes more sense than in others and will not lead to Anemic Domain Model. It depends on the characteristics of the domain model, and in the case of the Identity and Access Context this is actually quite helpful.

If you were to experience working in such a domain and you did decide to produce a mini-layer of Domain Services, remember that such are always ...