RE: Is RPG 'DEAD" -- RPG400-L

Duane,

Yes, I understand how it works in RPG. But your original post said, "Throw an exception "over" the
method with the try finally and it will also not catch the exception."

To me, it seems you're saying that Java, C++, C#, something with a try/finally allows you to throw the
exception further up the call stack like you can with RPG. I'm not aware of any other language with
that capability.

Just wanted to know which one you were talking about.

Charles Wilt
--
Software Engineer
CINTAS Corporation - IT 92B
513.701.1307

wiltc@xxxxxxxxxx

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx]
On Behalf Of Christen, Duane J.
Sent: Wednesday, June 18, 2008 5:16 PM
To: 'RPG programming on the AS400 / iSeries'
Subject: RE: Is RPG 'DEAD"

Charles,

QMHSNDPM API, you can send a message (*ESCAPE) to any
method/procedure/module/program in the call stack. On the i, with any ILE
language (REXX?) you would normally percolate the exception up the call
stack, but you can send it as far up as you want. Make sure you understand
what is occuring if you do though.

From Steves message:

<snip>

- the called procedure sends an *ESCAPE message back to the caller
of your procedure

</snip>

I took this to mean that proc1->proc2->proc3 proc2 contains a Monitor and
proc3 throws an exception to proc1. This may not be what Steve intended to
say but this is how I took it.

Duane Christen

--Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx]On Behalf Of Wilt, Charles
Sent: Wednesday, June 18, 2008 1:27 PM
To: RPG programming on the AS400 / iSeries
Subject: RE: Is RPG 'DEAD"

Duane,

How can you throw an exception over the method with the try/finally?

Is this Java only? I don't see a way to do it in C#.

Charles Wilt
--
Software Engineer
CINTAS Corporation - IT 92B
513.701.1307

wiltc@xxxxxxxxxx

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-

bounces@xxxxxxxxxxxx]

On Behalf Of Christen, Duane J.
Sent: Wednesday, June 18, 2008 2:10 PM
To: 'RPG programming on the AS400 / iSeries'
Subject: RE: Is RPG 'DEAD"

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx]On Behalf Of Steve Richter
Sent: Wednesday, June 18, 2008 12:11 PM
To: RPG programming on the AS400 / iSeries
Subject: Re: Is RPG 'DEAD"

<snip>
your monitor code will not run in the following situations:
- you call a COBOL program and it uses STOP RUN to exit.
</snip>

I have no idea, we don't have any COBOL here to test with, so I'll give
you this one.

<snip>
- the called procedure sends an *ESCAPE message back to the caller
of your procedure
- the job is ended
</snip>

Throw an exception "over" the method with the try finally and it will

also

not catch the exception.

An exception/error should cascade up the call stack unless it is so
eggregious that it is time to end the program. If you are having

problems

with exceptions then you need write code that checks for the error
condition before attempting the operation

Duane Christen

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