Migrating non-PFC applications to PFC.

Hi,
    I'm going to be involved in migrating a non-PFC application to PFC based
application. I've been working with PFC since it came out, but I've not been
involved with conversion of a non-PFC application. Would anybody share
his/her thoughts about the process involved in doing that and the pitfalls
to watch for. I would appreciate any input. Thanks.

JD



0
JD
3/23/1999 12:39:17 AM
sybase.powerbuilder.pfc 6437 articles. 1 followers. Follow

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I've only done it on small apps and it was a real headache. For starters you
must throw away your existing mdi frame, login window, etc, and use the ones
in PFC. All your frame logic, which isn't already in PFC, will have to be
salvaged and recreated in the PFC extension objects, n_cst_appmanager,
w_frame, m_frame, w_login, etc.

For the rest of the application its easy to salvage structures, DW's,
project objects, pipelines, and custom nvo's but that's about it. You can
try to export your objects and change their ancestry to pfc objects. If you
can overcome the compiler errors (this shouldn't be too bad) you'll have a
big chore looking through every line of your code to determine if:
1. it should be removed so that PFC features can be used instead
2. it conflicts with PFC in some way
3. it can co-exist with PFC

Unfortunately, #3 is less common than I would like.

The hardest, most time consuming task, is once you've migrated the
application you will need to comprehensively test every feature in it.
Expect for all kinds of minor behaviors to have changed.

So, its certainly not impossible but it is a major pain.

Enjoy!


John Olson [TeamPS]                   john.olson@bigfoot.com
Developower, Inc.                        developower@bigfoot.com
---- All support communications via News Group please ----
JD wrote in message ...
>Hi,
>    I'm going to be involved in migrating a non-PFC application to PFC
based
>application. I've been working with PFC since it came out, but I've not
been
>involved with conversion of a non-PFC application. Would anybody share
>his/her thoughts about the process involved in doing that and the pitfalls
>to watch for. I would appreciate any input. Thanks.
>
>JD
>
>
>


0
John
3/25/1999 1:41:46 AM
Reply:

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