June 2009
Eric Evans: What I've learned about DDD since the book - introduction
This is the introductory part of the talk Eric Evans gave at a meeting of DDD-NYC group. Since the talk builds on what Eric wrote in the book, he felt it would be useful to remind the audience of what the book said. Watch this part if you need a brief DDD refresher.
[watch main talk]
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Eric Evans: What I've learned about DDD since the book
In this talk, first presented at QCon London 2009, Eric Evans describes what he'd learned about DDD since the book was published. The talk was recorded at the May meeting of DDD-NYC SIG. In this talk, first presented at QCon London 2009, Eric Evans describes what he'd learned about DDD since the book was published. The talk was recorded at the May meeting of DDD-NYC SIG.
Because the talk goes over what has changed since the book, it assumes some knowledge of DDD. If you need a quick refresher, please watch the introduction part first.
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Should the Domain Layer ever use the IRepositories it defines?
Tue, 06/16/2009 - 17:40 — SpartanDeveloperDomain Layer
class Member
string UserName
interface IMemberRepository
Let's say you want functionality to check if a UserName is in the database already. This logic would have to use a concrete implementation of the IMemberRepository, eg MemberRepositoryNHibernate.
My question is, where and how should this logic be implemented?
The Web Layer?
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