Re: Layers, Levels, and DIP

From: Robert C. Martin (unclebob_at_objectmentor.com)
Date: 02/26/04 

Date: Thu, 26 Feb 2004 12:03:31 -0600

On Wed, 25 Feb 2004 08:36:37 -0000, "John W. Wilkinson"
<john.wilkinson@spirentcom_removethis.com> wrote:

>
>Why is the Domain more abstract than a App? Assuming a 'Domain' means
>something like an application framework then I don't get it. An application
>framework is not an abstract application but an incomplete application, or
>even just a collection of domain specific utilities.

The domain contains the highest level business rules and
relationships. The domain can be used by many different applications
without change.

The applications are more specific. They use the domain to achieve
certain goals.

So in that sense the domain is more abstract than the applications.

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