Re: Callp question -- RPG400-L

I would day the latter also. State taxes for NY are going to
calculated different than state tax for CT but this is something where
dynamic load of a service program could be used.

Create a procedure in a service program and then in a state table the
name of the service program and procedure to run. You then load the
proper service program at run time so nothing has to be hardwired.

On Mon, Aug 6, 2012 at 8:46 AM, Briggs, Trevor (TBriggs2)
<TBriggs2@xxxxxxxxxxx> wrote:

Having had a little experience calculating state taxes, for me this
would be the latter. There are differences in state's tax calculations
and they change. If NY changed their calculation method, would I really
want to re-test the procedure for every other state that has a state tax
too to make sure I hadn't broken it?

Trevor Briggs
Analyst/Programmer
Lincare, Inc.
(727) 431-1246
TBriggs2@xxxxxxxxxxx

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Alan Shore
Sent: Monday, August 06, 2012 10:39 AM
To: RPG programming on the IBM i / System i
Subject: RE: Callp question

Hmm - I would think it's how one defines "doing one thing only".
Which do you consider "doing one thing only" - Calculating state taxes
where the state code is an input parameter,
Callp Statetaxes(NY);
Or is "doing one thing only" - calculating state taxes for NY
Callp StatetaxesNY;

Interesting thought

Alan Shore
Programmer/Analyst, Direct Response
E:AShore@xxxxxxxx
P:(631) 200-5019
C:(631) 880-8640
"If you're going through Hell, keep going" - Winston Churchill

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Briggs, Trevor
(TBriggs2)
Sent: Monday, August 06, 2012 10:23 AM
To: RPG programming on the IBM i / System i
Subject: RE: Callp question

Call me idealistic, but I believe the intent of a procedure is to do one
thing only. The purpose of parameters is to supply values upon which the
procedure operates, not to specify a switch which alters the function
performed.

On the other hand, I well know that creating four procedures where one
will do can also multiply the overhead of documentation, especially if
you use change management software.

I think the deciding factor would be how much difference there was
between the functions, which if your three procedures are all calling
the same procedure anyway would seem to be small.

Trevor Briggs
Analyst/Programmer
Lincare, Inc.
(727) 431-1246
TBriggs2@xxxxxxxxxxx
-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Dave
Sent: Monday, August 06, 2012 7:49 AM
To: RPG programming on the IBM i / System i
Subject: Callp question

Hi,

I'm being asked to do this :

DoStuffThisWay ();

DoStuffTheOtherWay ();

DoStuffTheOldWay()

Instead of having : DoStuff (wayToDoStuff); So that the caller does not
care about the parameter.

Then, in the module containing my 3 procedures :

P DoStuffThisWay

DoStuff(1);

DoStuffTheOtherWay

DoStuff(2);

Etc.

Obviously,this means maintaining more procedures and duplicating code.
I was wondering about procedure pointers. Could that help? How? Any
other ideas?

Thanks.
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