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Can entity have business logic?
In new/modern databases the entity classes should be a very good fit to the Business Logic needs, with a few extra properties needed to set up the database relationships, e.g. Foreign Keys. Therefore, the Business Logic can use the EF entity classes directly without any adaption.
Should business models have logic?
For non trivial applications, business logic/business rules/data access should not be placed directly into Models, Views, or Controllers. To do so would be placing business logic in your presentation layer and thus reducing reuse and maintainability of your code.
Where does business logic live in an application?
Domain layer. This is where the business logic lives. This layer makes a use of injectable repositories and is responsible for the majority of business logic. This is the core of the application that we will test thoroughly.
How is ” business logic should be in a design pattern?
In fact, the suffix Service on a class name is a lot like the much-maligned Manager: It tells you almost nothing about what the object actually does. In reality, what a service ought to do is highly architecture-specific: In a traditional layered architecture, service is literally synonymous with business logic layer.
Which is business logic should be in a domain object?
(…) The logic that should be in a domain object is domain logic – validations, calculations, business rules – whatever you like to call it. To me, this seemed exactly what the situation was about: I advocated the manipulation of an object’s data by introducing methods inside that class that do just that.
What does ” business logic should be in a service “?
In reality, what a service ought to do is highly architecture-specific: In a traditional layered architecture, service is literally synonymous with business logic layer. It’s the layer between UI and Data. Therefore, all business rules go into services.