RE: Web apps on the AS/400

Java already calls RPG perfectly, Leif.  I use it all the time.  In fact, I
use it almost exclusively that way: my Java programs call RPG programs to do
business logic.  Actually, my Java programs call RPG programs to communicate
with data queues, which in turn communicate with other RPG programs as
servers, but that's my preferred way to communicate with business logic
servers.  Message-based client/server processing is far more robust and
flexible than simple program calls.

Joe


> -----Original Message-----
> From: owner-midrange-l@midrange.com
> [mailto:owner-midrange-l@midrange.com]On Behalf Of Leif Svalgaard
> Sent: Saturday, March 17, 2001 10:26 AM
> To: MIDRANGE-L@midrange.com
> Subject: Re: Web apps on the AS/400
>
>
> From: David Gibbs <david@midrange.com>
> > >Wouldn't it be lovely if you could write a program in
> > >the language that was most convenient or natural
> > >or matching-your-skill-set or (...) and have that program
> > >be usable from any other program? Just as it was
> > >in the pre-Java days.
> >
> > I think that with a future version of the ILE environment you
> will be able
> > to call Java classes directly as if they were standard programs.
> >
> > Correct me if I am wrong, but I think that George Farr
> indicated that this
> > was coming in a future version of RPG (in his COMMON presentation).
> >
>
> But RPG is only one,
> How about CL, COBOL, MI, REXX, SQL, C, C++, ...
> And we are not just talking about RPG calling Java. What would
> be better is Java calling RPG (to do business logic). Or simply
> making Java a first-class citizen without any tricks. Of course
> you can always fake it (in any language), but write the parameters
> to a file, starting another job, in that job call the program that
> reads the parameter file and produces a result file to be
> read by the original program, when the temporary jobs ends.
> That is NOT what I meant.
>
> Furthermore all that is "in future" versions. Doing us no good
> now.

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