Example: I have two bounded contexts Exams and Courses. The Exams context has a Student entity that has information about the students to take an exam. And the Courses context has a teachers entity...

I am in the process of refactoring an application and am trying to figure out where certain logic should fit. For example, during the registration process I have to check if a user exists based upo...

If we consider a standard persistence repository, the solution is easy. We put the IStuffRepository in the Domain Layer, and the StuffRepositoryImplementation in the Infrastructure Layer. But what...

My understanding of the application services are that they link between the domain and the user interface together. In other words, they serve the controller to perform operations on the domain. ...

I need to know about how to use shared value objects in DDD Eg? If i have two aggregates roots called Registration and Admission, both this aggregates consuming a value object called Address. even...

In Domain Driven Design, domain services should contain operations that do not naturally belong inside an entity. I've had the habit to create one service per entity and group some methods inside ...

I've been studying onion architecture for a couple of days. I understand that dependencies should always go toward the center and how to use dependency injection to accomplish this. But I have a co...

I have a tree of Zone objects: class Zone { protected Zone $parent; public function __construct(Zone $parent) { $this->parent = $parent; } } There are no children nor descendants property...