Domain Model Net Core

10 minutes to read 2.

Domain model net core. Anemic domain models are extremely common when using orm s such as entity framework. Define one rich domain model for each business microservice or bounded context. 5 minutes to read. In the previous section the fundamental design principles and patterns for designing a domain model were explained.

Although these are kind of basic concepts for people who are into asp net mvc for some time or mvc pattern in general but can be really confusing for new comers. It is pure net poco code because the mapping action is implemented in the persistence layer. This post looks at the problems of having an anemic domain model and then goes on to look at a few simple techniques to allow you to create richer models when using entity framework code first and ef core. In this post i will describe the overall architecture of the new expense tracking application and how various components fit.

Implementing a microservice domain model with net core. In the context of asp net core mvc apps the model could be a domain model view model or an edit model. Difference between domain model viewmodel and editmodel in asp net mvc we often hear terms like model view model etc in context of mvc applications. In the previous section the fundamental design principles and patterns for designing a domain model were explained.

Keep in mind however that a bc or business microservice could sometimes be composed of several physical services that share a single domain model. In the asp net core application the model could mean many things depending on the what are you trying to do. Having read vaugh vernon s book on ddd implementation i decided to portgrade port upgrade my old clunky windows based n tier desktop expense tracking application to asp net core mvc application using some of the domain driven design concepts i studied in the book. We will learn what they are and how and where to use them.

Now it is time to explore possible ways to implement the domain model by using net core plain c code and ef core. As shown in figure 7 6 the ordering domain layer library has dependencies only on the net core libraries or nuget packages but not on any other custom library such as data library. Your goal is to create a single cohesive domain model for each business microservice or bounded context bc. Now it is time to explore possible ways to implement the domain model by using net core plain c code and ef core.

The main responsibility of an aggregate is to enforce invariants across state changes for all the entities within that aggregate. Ef core provides a way to map the domain model to the physical database without contaminating the domain model. For instance the domain model layer should not take a dependency on any other layer the domain model classes should be plain old clr objects or poco classes. Implement a microservice domain model with net core.