RE: toolbox to c# -- JAVA400-L

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Why do you want to rewrite the toolbox in C#?

In a distributed environment you don't need that.

I think you should better consider this as an interoperability aspect:

What runs on the AS400 as a server is written in Java and uses
the toolbox in java.

Any client accessing these services knows exactly the protocol.

In all cases if you have C# on a (PC) server somewhere, you will
call sql on your AS400. A better design would be that the AS400
offers services to access the data.

Why not consider web services or soap? .Net uses soap natively.

In this case you take the good where it is and still take all the benefits
of the toolbox.

If you design multi-layers, in all cases you don't directly access
the db with SQL, but with a facade.

I would design a facade in Java on the as400, using the toolbox to
access data. I would also design services. Clients using these
services to get data. (you can do that using webservices, XML, MQSeries,
there is a lot of choices, all of them being clean).

I think we have to consider .Net, but it does not mean you have to throw
away the other technologies.

Just an example: we have many systems linked together. On our AS400 we have
our core banking system. In our international agencies they a completely
different architecture, but they have some clients who needs to access our
data on the AS400. They uses VB and plan to move to .Net. We offered
services,
using MQSeries as transport mechanism and XML for data description, and
everything
works fine. They don't have to know about the technology. They just know
that
they can post a request on a given queue with a given request format, and
that they
will get ea response on another queue in a given response format. We didn't
consider
soap at this time because it was too young, bnut we now have a very flexible
and
opened system because of the use of XML

Gilles

-----Original Message-----
From: Hatzenbeler, Tim [mailto:thatzenbeler@clinitech.net]
Sent: mercredi, 19. juin 2002 18:29
To: 'java400-l@midrange.com'
Subject: toolbox to c#


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I was wondering, if this would work, and if  it would be acceptable...

Our company (PC side) is standardizing around the .net platform, and I would
like to be able to use the same applications and resources as our pc
programmers...  And there all starting a transisition from VisualBasic to
C#, and I was wondering if the (400 Java Open Toolbox) could be converted to
native c# code, and if it would still work.

Personal Feelings:  I like the cross platform abilities of Java, but for our
PC clients, our gui apps seem to run too slow... Older pc hardware, so I was
hoping if I could write the apps in c#, they would run faster, on our PC's
but still allow me full as/400 connection capabilities...

Any thoughts...

Thanks, tim
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