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The project consists of multiple modules which are bound into one service program. There are f. e. the following modules:
- frame builder
- frame parser
- commands
- main module
Thanks for the answers about my ILE questions ... you mostly confirmed--
what I already told them (but ... as said the new guy knows everything better).
... but I have another may be silly question ... but until now nobody
could answer it in a way that I'm satisfied:
Why to bind multiple modules in a single service program?
If the functions/procedures are grouped depending on their
functionality into a source member and almost all functions are
exported and the exported ones are strongly encapsulated and only RPG is used.
Why would we need multiple modules with functions which can be grouped
together in a service program?
If the modules include functions with different functionality why we
should bind them into a single service program?
And if we are working with different programming languages, why not
using a service program for each language.
... activation time cannot be the reason, because the service programs
are bound with deferred. Also before we had deferred the activation
time was very fast, at least at this customer (and he currently has
around 120 service programs with around 8000 exported functions in total).
... working with different activation groups may also cause the same
service program to be activated multiple times in the same job. The
bigger the service program the more must be loaded (multiple times)
into memory
Mit freundlichen Grüßen / Best regards
Birgitta Hauser
Modernization – Education – Consulting on IBM i
"Shoot for the moon, even if you miss, you'll land among the stars."
(Les
Brown)
"If you think education is expensive, try ignorance." (Derek Bok)
"What is worse than training your staff and losing them? Not training
them and keeping them!"
„Train people well enough so they can leave, treat them well enough so
they don't want to.“ (Richard Branson)
-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of
Charles Wilt
Sent: Dienstag, 1. November 2022 16:50
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: ILE Concepts
On Tue, Nov 1, 2022 at 9:36 AM Jon Paris <jon.paris@xxxxxxxxxxxxxx> wrote:
I would also add that I find their current method of one source oneAgreed, it makes no sense to limit yourself to 1 module per service program.
object also rather dated and pointless. But is is sadly a quite
widely used approach.
I've been asking for our home-grown build process to be enhanced for
5+ years now... :(
Charles
--
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