Re: PCML Performance -- RPG400-L

OK - but the PCML has nothing to do with the actual call and whether or not the program persists in memory etc. etc. It has no more effect than a prototype in RPG. It just defines the interface - not persistence or anything else. I believe that toolbox calls can be made to provide persistence but haven't used the toolkit in eons so I don't recall the details.

You'll get better answers I suspect if you change the title to reflect that it is JT/400 toolbox calls that you need details on - not PCML itself - and you may get more help on the Java list than here.

Jon Paris

www.partner400.com
www.SystemiDeveloper.com

On Mar 7, 2018, at 3:18 PM, Alan Campin <alan0307d@xxxxxxxxx> wrote:

Right. The program that gets called is running on the IBM i. The RPG
compiler can store the PCML information in the program object.

On Wed, Mar 7, 2018 at 12:14 PM, Jon Paris <jon.paris@xxxxxxxxxxxxxx> wrote:

Are you sure you mean PCML Alan?

PCML is the markup language that is used to facilitate the calling of
programs/service programs from Java.

Unless it has another meaning I have never encountered on IBM i.

Jon Paris

www.partner400.com
www.SystemiDeveloper.com

On Mar 7, 2018, at 2:27 PM, Alan Campin <alan0307d@xxxxxxxxx> wrote:

Can anyone point me to a document that explains how PCML works?

My understanding of PCML is that it loads the programs, opens the files,
runs the processing, closes the files, dumps the program out of memory

and

repeats this every time it called.

My boss was telling me that he thought that wasn't true. That it

maintained

state. I know that a stored procedure call maintains state as long as the
connection is kept but I always thought that PCML did not.

We are at V7R2. Thanks for any help.
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