Hanselminutes Podcast 105 - Rocky Lhotka on Data Access Mania, LINQ and CSLA.NET
My one-hundred-and-fifth podcast is up. I got a chance to sit down with Rocky Lhotka (blog) and talk about the direction data access, business objects and multi-tier development are going, as well as where he things LINQ fits into his view of CSLA.NET. CSLA.NET is Rocky's application development framework that supports his multi-tiered view of business application development.
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Enjoy. Who knows what'll happen in the next show?
Scott Hanselman is a former professor, former Chief Architect in finance, now speaker, consultant, father, diabetic, and Microsoft employee. He is a failed stand-up comic, a cornrower, and a book author.
Money interview with Rocky, I've read a couple of his books and always appreciated his "object as center of the universe" (as he put it) perspective. He's had a heavy influence on my designs, and it's always worth while to pause when new technologies like linq come out and wonder "where does this belong?".
I really enjoyed the part of the conversation that floated around the creation of "Conceptual" objects, that is those that are driven by use cases and are often not 1:1 with the data store. The bitch of the matter is that it's basically impossible to generate these objects (at least w/out some pretty detailed mapping files), and so you inevitably end up getting your hands dirty and writing some code. I have to admit I'm a huge fan of code generation (CodeSmith in particular) and have often had to compromise with a model that is a lot more 1:1 with the datastore then I would like it to be.
I'm hoping that the Entity Framework finally solves this, I've been playing with the beta and it's promising. If they would just include a rule validation engine and authorization engine in the generated code (or allow you to map them in with xml attributes in mapping files) I think we might finally get the silver bullet of ORM (at least IMO).
Keep 'em coming man I really enjoyed this one.
That being said, I do think there are cases where CSLA would be a great tool.
Keep up the great work!
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I listened to the Rocky Lhotka show a few days ago and iTunes says the new one is on outsourcing...
PS. What a lousy idea to interrupt the show with a commercial. Of course if that's what it takes to keep the show running we must live with it, but it really breaks the conversation and makes me loose the line of thinking you so nicely build up during an interview.