Domain Specific Objects In Entity Framework

Entity framework core 2 1 reintroduces the attribute approach for identifying value objects.

Domain specific objects in entity framework. One of the 4 principles of object oriented programming encapsulation is an act of data integrity. Entity framework tools in visual studio. Introduction for this article tutorial i will demonstrate a quick and easy way on how to use data access objects dao s with the entity framework. It facilitates the developer to work with domain specific objects and not to worry about underlying data in the database.

Rather than complextype we must use the new owned attribute. It provides a high level of abstraction for data access and results in fewer lines of code by a programmer. This assumes that we are using the money value object on our blog post entity as follows. See msdn for full details.

Entity framework is an object relational mapping technology that enables net developers to work with relational data by using domain specific objects. Working with entity framework core value objects. The ado net entity framework basically comprises of the. It eliminates the need for most of the data access code that developers usually need to write.

Lets start off by taking a look at our database context and configuration. Domain specific modeling languages tend to support higher level abstractions than general purpose modeling languages so they require less effort and fewer low level details to specify a given system. These data access objects form a layer between the business logic and the database access technology. An entity is different from a value object primarily due to the fact that an entity has an identity while a value object does not.

Lets discuss that next. And that s especially important in domain modeling. With entity framework microsoft s flagship data access platform you can work with relational data using domain specific objects. The idea is that the business logic should remain ignorant of the technology.

Public class blogpost. If you ve worked with entity framework core you might be wondering how you can map to a complex type that isn t an entity and has no dbset in the context. 2 minutes to read 5.