Re: MI Programming

["Rich Duzenbury" <rduz@xxxxxxxx>]

HAHAHA!  I'm glad there is an API for this task now, but, I can't seem to
find it on my V2R3 machine!


Regards,
Rich

============================================
Rich Duzenbury
http://rich.dyn.ml.org
http://vpsolutions.com
============================================
-----Original Message-----
From: bvining@VNET.IBM.COM <bvining@VNET.IBM.COM>
To: MIDRANGE-L@midrange.com <MIDRANGE-L@midrange.com>
Date: Friday, March 20, 1998 11:03 AM
Subject: MI Programming


>Rich,
>
>Though I realize your view example was just that, an example, I can't
>resist the opportunity to plug the Retrieve Data Queue Message (QMHRDQM)
>API which provides a non-destructive read of one or more messages from
>a data queue.
>
>I do agree with you that MI is still a viable and effective mechanism
>for solving some of the problems developers run into.  Prior to V4R2
>for instance, MI was the only way to access system mutex support.
>
>Bruce Vining
>
>>
>>...
>>In general, I use MI only when a job cannot be done in RPG or CL at all,
or
>>sometimes cleanly.  As an example, some time ago I needed to view the
>>contents of a data queue, and no mechanism was available.  Certainly I
could
>>have pulled each entry off the queue, and then re-inserted it, but that
>>caused sequencing problems.  I could have also dumped the queue object,
and
>>tried to interpret the spooled file.  I considered these methods messy
>>solutions at best.  A clean solution, IMO, was an MI program written
around
>>MATQMSG.
>>
>>So, I believe MI is still a viable and effective mechanism for solving
>>problems, thus my desire to be proficient.
>>
>>Regards,
>>Rich
>>
>
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