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What is Domain Driven Design? - Stack Overflow DDD (domain driven design) is a useful concept for analyse of requirements of a project and handling the complexity of these requirements Before that people were analysing these requirements with considering the relationships between classes and tables and in fact their design were based on database tables relationships it is not old but it has
What is Domain Driven Design (DDD)? - Stack Overflow Before attempting DDD, you should be familiar with design patterns and enterprise design patterns Knowing these makes DDD a lot easier to grasp And, as mentioned above, there is a free introduction to DDD available from InfoQ (where you can also find talks about DDD)
DDD - Dependencies between domain model, services and repositories To your last point, services in DDD are a place to put what I describe as "awkward" logic If you have some type of logic or work flow that has dependencies on other entities this is the type of logic that usually doesn't "fit" inside a domain object itself Example: If I have a method on my business object to perform some type of validation, the service class might execute this method (still
DDD and MVC: Difference between Model and Entity In DDD, there is also the concept of a Domain Entity, which has a unique identity to it As I understand it, a user is a good example of an Entity (unique userid, for instance) The Entity has a life-cycle -- it's values can change throughout the course of the action -- and then it's saved or discarded
Where to put business logic in DDD - Stack Overflow If you put all your business logic in an (implicitly stateless) service layer you're writing procedural code By decoupling behavior from data, you're giving up on writing object-oriented code That's not always bad: it's simple, and if you have simple business logic there's no reason to invest in a full-fledged object-oriented domain model The more complex the business logic (and the larger
DAO, Repositories and Services in DDD - Stack Overflow After reading several articles, I am starting to understand the difference between DAO and Repositories, but I find myself in trouble trying to understand the difference between Repositories and Se
Domain Driven Design vs Model Driven Architecture The root of both Domain-Driven Design (DDD) and Model Driven Architecture (MDA) is Model-Driven Engineering (MDE), also known as Model-Driven Software Development (MDSD) if limited to the software development domain