RE: IBM pushing Java (array bounds checking as a moral issue)

What about the other end of the spectrum, when a shops standards go too
far, and management are spending more time worrying whether the
programmers are adhering to the standards, and not letting get on with
the job they really want to do. At a recent job, a CL program of mine
was rejected because the CL commmands didn't line up nicely in the
source? 

-----Original Message-----
From: Simon Coulter [mailto:shc@flybynight.com.au]
Sent: Tuesday, March 30, 1999 1:29 AM
To: MIDRANGE-L@midrange.com
Subject: RE: IBM pushing Java (array bounds checking as a moral issue)



Hello Joel,

Ooh! What do I do if I advocate compliance with the standards but the
standards suck?  Between 
a rock and a hard place!  Or the Devil and the deep blue sea!

I don't have any argument with the emergency fix per se, just the fact
that it was necessary in 
the first place.  Your wish to go back to sleep (and the title change to
include moral issues) 
reminded me of a story from my misspent youth (in Bible class actually
before I replaced blind 
faith with opaque logic):

WARNING, WARNING, HOMILE APPROACHING ....

"The Boy Who Could Sleep Through Thunderstorms"

A farmer was looking for some casual help and went into town where a
group of teenagers was 
lounging against a fence.  He asked them if any of them wanted to earn
some money.  Of course 
they said yes (what teenager isn't in need of some cash?).  He then
asked them if they'd done 
any farm work and what did they think was their major asset.  Most of
the boys had little 
experience and certainly couldn't answere the last question.  But one
boy just said "I can 
sleep through thuderstorms".  The farmer thought that was a bit weird
but none of the other 
boys seemed interested in actually working for the money so he took the
boy back to the farm.

The boy seemed quite suited to farm work and the farmer had no
complaints until one night a 
huge storm blew up.  The farmer woke up and went to rouse the boy to
check the animals, and the 
barn, and the haystacks, etc, but the boy was fast asleep.  They farmer
shook him and shouted 
at him but nothing would wake the boy.  In disgust the farmer swore he
would sack him and went 
out into the storm by himself.

When he reached the barn he found all the doors tightly shut.  All the
animals were safe 
inside.  The haystacks were covered with tarpaulins and tied down.
Everthing was in its place 
(ship-shape and Bristol fashion for our colleagues in Blighty).

The farmer walked back to the house and remembered what the boy had
said.  "I can sleep through 
thunderstorms".

And the moral is ......?

Regards,
Simon Coulter.

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//--- forwarded letter
-------------------------------------------------------
> X-Mailer: Internet Mail Service (5.0.1460.8)
> MIME-Version: 1.0
> Date: Mon, 29 Mar 99 09:35:15 -0800
> From: "Joel Fritz" <JFritz@sharperimage.com>
> To: "'MIDRANGE-L@midrange.com'" <MIDRANGE-L@midrange.com>
> Reply-To: MIDRANGE-L@midrange.com
> Subject: RE: IBM pushing Java (array bounds checking as a moral issue)

> 
> But what if shop standards are foursquare against writing programs
> properly.<g>
> 
> Seriously, at 2AM it's hard to worry whether someone who worked where
you do
> five years ago should have done bounds checking on an array.  You
generally
> want to do the simplest thing possible to make the broken production
job run
> properly and then try to fix it right the next day.  There are lots of
ways
> to handle array overflow when you're designing a program; it's just
nice to
> have something you can do in 10 minutes in a emergency and go back to
sleep.
> 
> 
> -----Original Message-----
> From: Simon Coulter [mailto:shc@flybynight.com.au]
> Sent: Saturday, March 27, 1999 11:45 PM
> To: MIDRANGE-L@midrange.com
> Subject: RE: IBM pushing Java
> 
> 
> 
> Hello Joel,
> 
> Gosh, I've been busy on this topic!
> 
> You wrote:
> >programs on an as needed basis.  It's really fun to handle an array
> overflow
> >suppor
call at 2 AM by converting the program to RPGIV and expanding the
> >array, cancelling the OPM version and then giving a retry to the CL
message
> >that follows. 
> 
> Of course if the program had been written properly it would be doing
bounds
> checking on the array index and 
> would have sent a message weeks ago informing you of the approaching
end of
> the array (assuming the element 
> usage has ben gradually increasing -- I just love those 9999 element
arrays
> -- we'll never fill that up!).
> 
> Even if this was just one of those things and the array simply isn't
large
> enough ('cause too many of whatever 
> is stored were added today) it should be possible to handle the
situation.
> For instance, log the failed data 
> to a file, send someone a message, and process the log file later --
> standard transaction update problem 
> handling.  Please note that this is meant for the general case.  One
can
> always think up specific scenarios 
> where programmatically handling the error is not worth the effort.
> 
> A perfect case for dynamically allocating storage and using that for
the
> array.
> 
> And that CL message indicates no (or very little) exception handling
is
> being performed and you really don't 
> want to know my opinion on that!! - even though the Cat, Dog, Rabbit,
Impala
> message is useful to restart the 
> program.
> 
> I can see this append starting a whole war of words ...
> 
> Regards,
> Simon Coulter.
> 
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> «»                                                                «»
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