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On 16/10/2009, at 5:08 AM, Lim Hock-Chai wrote:
I don't ever think of a situation where I would want to create a
program
using multiple *MODULE. If there are common functions that needed by
other programs, I put those functions in a service program and bind
them
with the service program.
How about the classic MVC arrangement?
o Module for screen handling
o Module for control flow
o Module for data access
The data access module will likely call functions in a service program
to perform the real work but this approach (if done properly allows
you plug in a different screen handler (e.g., CGI) or different
database access. None of these modules would be common to other
programs but by using separate modules I gain more flexibility at the
cost of a slight increase in complexity.
Regards,
Simon Coulter.
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