Re: The wisdom of the object mentors (Was: Searching OO Associations with RDBMS Persistence Models)

From: Bob Badour <bbadour_at_pei.sympatico.ca>
Date: Thu, 01 Jun 2006 22:55:14 GMT
Message-ID: <mfKfg.16255$A26.376272@ursa-nb00s0.nbnet.nb.ca>

phlip wrote:

> Bob Badour wrote:
>
>

>>>An application should have its SQL statements in only a few modules, and
>>>all others should be SQL-free.
>>>
>>>Note in my statement, you can replace SQL with GUI, XML, ORB, etc, to
>>>generally the same effect. The point of modules is to isolate and
>>>encapsulate.
>>>
>>>Is that so hard?
>>
>>Define: few

>
>
> Encapsulation is hierarchical. The longer the conceptual distance between
> any two points in a program, the narrower their communication should be,
> if any.
>
> So the few modules that have SQL in them should have wider communication
> with each other than with others. Sometimes we call that a "Layer".

Define few Received on Thu Jun 01 2006 - 17:55:14 CDT