Re: EJB versus RPG/COBOL -- JAVA400-L

Joe,

first think, then write!

regards 

Dieter

On Mittwoch, 10. März 2004 22:47, Joe Pluta wrote:
> > From: Dieter Bender
> >
> > reading some of
> > your postings the whole world does application development the wrong
>
> way,
>
> > only who uses RPG wherever possible is a good guy. But most
>
> applications
>
> > are written in diffrent languages and not in RPG and the as400
> > installations are getting less, the only growing market in information
> > technology is Linux and Java.
> >
> > In my opinion
> > the as400 is a very good database server and its one chance to survive
>
> for
>
> > this platform as a database server for java applications.
>
> Dieter, I've heard you say this same thing over and over for years now,
> and I'm not going to spend a lot of time arguing with you.  Rather than
> take the time to try and understand what I am saying, you seem to just
> want to attack it at every juncture.  That's fine, but it's pretty
> unproductive.
>
> For example, the iSeries is not a database server.  It was never
> designed for that.  It is a business rules server.  And if you knew how
> to write applications that took advantage of that, we wouldn't hear you
> complaining about poor performance.
>
> I disagree with your fundamental application design strategy.  For
> example, you keep bringing up inheritance.  Any good Java programmer
> knows that a loosely coupled design uses very little inheritance.
> Composition is by far the more prevalent method of aggregation,
> especially given Java's single inheritance model.
>
> As to the growing market in Java and Linux, that's all fine and good for
> a software vendor, but it is my opinion that software firms who write
> platform independent code are maximizing their profit at the expense of
> their users' productivity.  What works on Wintel doesn't work on Linux;
> what work on OS/400 doesn't work on Sun.  Anybody who tries to shoehorn
> the same code into every box is doing their clients a disservice.
>
> Anyway, that's my bit.  My clients, who understand and appreciate the
> TCO benefits of the iSeries, will continue to write their business logic
> in RPG or COBOL and then do a simple interface to their servlets for
> presentation.  EJB is overkill for anything other than software vendors.
>
> Joe
>
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-- 
mfG

Dieter Bender


DV-Beratung Dieter Bender
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