Relative Content

Tag Archive for entity

Entity to DTO Usage

Been trying to come up with a flow for a basic tiered web application, and have been reading conflicting information online. What I’m trying to figure out is if there is an advantage to still using DTO objects from your DAO to Service layer through the use of some sort of mapper.

Complex fetching of Domain Objects

Usually whenever I want to fetch an aggregate root by ID I just use some type of Repository::findByID(…) function

DDD: big immutable item with some references to entity identifiers, should it be object value or entity?

Let’s say I have a Mail, this mail have many properties given by the constructor (for example, 10-15 parameters).
This mail can’t be edited (immutable), the user has specifically requested to send this content. Mail has no methods but multiple constructors (for managing different scenarios), and it has few references on other entity identifiers (for example a reference on the identifier of the sender and the receiver).

Entity Framework Entities – Some Data From Web Service – Best Architecture?

We are currently using Entity Framework as an ORM across a few web applications, and until now, it has suited us well as all our data is stored in a single database. We are using the repository pattern, and have services (the domain layer) which use these, and return the EF entities directly to the ASP.NET MVC controllers.

Relationships in a Chen ERD