ProgramCall versus JDBC -- JAVA400-L

What is the difference between using the ProgramCall component to call a
program or using JDBC to call a store procedure.  I know that you can return
one or many result sets if you use JDBC.  Are there a performance
differences?

Mark

-----Original Message-----
From: dawall@us.ibm.com [mailto:dawall@us.ibm.com]
Sent: Tuesday, March 21, 2000 12:24 PM
To: JAVA400-L@midrange.com
Subject: Re: NT(IIS)->AS400 - where's the bridge?


A couple of choices I can think of are:

   1. Use the ProgramCall component of the AS/400 Toolbox for Java.  It
   does the work so a Java programs can easily call AS/400 programs in a
   client/server environment.  The Toolbox does all the back end
   processing.  Your task is to write the Java program that uses the
   Toolbox and to get the program invoked in your environment.  Check it
   out at http://www.ibm.com/as400/toolbox.

   2. Use Active Server page support in Client Access / 400.  CA/400 has a
   set of ActiveX Automation Objects for this environment.  Check it out at
   http://www.as400.ibm.com/clientaccess/3tier/

David Wall
AS/400 Toolbox for Java


Nikolay.Ichpekov@ssa.co.uk on 03/16/2000 11:26:59 AM

Please respond to JAVA400-L@midrange.com

To:   JAVA400-L@midrange.com
cc:
Subject:  NT(IIS)->AS400 - where's the bridge?




Hi all,

This is my first post to this forum although I've been following it on and
off for the past month or so. Anyway, enough small talk on with my
problems.

I've just been 'volunteered' to come up with a quick and easy (why do they
always say that!) solution for a limited order entry e-commerce based
product. The scenario is: client (with browser) accesses an application
server (which is also COM client) residing on an NT server running
Microsoft IIS which provides connectivity to various COM servers. (This
already exists!)

My task is to provide a way for IIS to send data across to an AS400 where
the relevant RPG program is called to process it and apply updates to the
database. If you thought that was simple, the conditions are: no use of
client/access (ODBC), no use of MQ Series, no redirection to an AS400
webserver. Emphasis is on minimum cost, methinks.

Having little experience with writing commercial Java (apart from the odd
applet) or indeed using MIIS, I'm a little lost at the moment. I've been
toying with the idea of extending the ISAPI to provide simple socket
connectivity to an AS400 where presumably a simple servlet or cgi script
will call (or wrap) the relevant RPG program. Not quite sure how much work
is involved though. Anyone out there with any ideas will be greatly
rewarded.... Or at least sent a note of thanks!

Nik



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