How would you call the visitor?
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Craig
Neuwirt
Sent: Friday, June 16, 2006 3:56 AM
To: [email protected]
Subject: Re: [Castle-users] Using ActiveRecord with Legacy Database
Yeah, I like the decorator
pattern too. Haven't used it to your level though. Although I can't
use AR currently, I am thinking of making my domain AR entities so I can take
advantage of the nice validation framework. I would augment it with the
Visitor pattern to accomodate validation depenendencies between entities.
Does that sound like a reasonable approach to you?
On 6/15/06, Ayende Rahien <[EMAIL PROTECTED]> wrote:
I like to use generic decorator repositories, usually
acessible via IoC.
repos =
Container.Resolve<IRepository<Customer>>()
repos is SecurityRepository
-> inner is LogginRepository
-> inner is ValidationRepository
-> inner is
LogicalDeletionRepository {turn Delete() to Cancel()+save() )
On 6/15/06, Craig Neuwirt <[EMAIL PROTECTED] >
wrote:
I know AR promotes validation within the model. If you
don't use AR, do you usually still put validation in your models or directly in
the Business services or create a separate validation service. Just
curous
On 6/12/06, hammett <[EMAIL PROTECTED]>
wrote:
Clarifying:
- with or without AR I create a DA layer.
- I usually work with models. If I'm using AR then AR entities are my
models. I just don't like invoking FindAll, or Create on the
presentation layer, instead I use a service layer that is aware of
business rules and its implications, so if later I have to add some
logic say, everytime a Customer is created, I just need to change one
place
- The only time I've used a dataset was to process some reports, where
the columns and aggregated columns were somewhat dinamically, and
more, the report was generated by a windows service to be viewed
later. For that situation only, DS was perfect. :-)
On 6/12/06, Craig Neuwirt <[EMAIL PROTECTED]> wrote:
>
> One last ? on this thread. If you know you are not going to use
AR, would
> you still create your Domain Model as AR Entities, or just pass POCO (or a
> DataSet) to your DA Layer.
>
> thanks for your feedback
>
>
> On 6/12/06, hammett <
[EMAIL PROTECTED]> wrote:
> >
> Yep.
>
> On 6/12/06, Craig Neuwirt <[EMAIL PROTECTED]> wrote:
> > Gotcha!, but you do pass the AR objects to your DA layer
interface.
>
> --
> Cheers,
> hammett
> http://hammett.castleproject.org/
>
>
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--
Cheers,
hammett
http://hammett.castleproject.org/
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