I'm interested, Aaron... what would you consider tighter integration than
the various methods that Java on i5/OS supports?  You can use the toolbox to
call any RPG program from anywhere in the world (you can in fact call any
program) via a TCP/IP socket.  You can use PCML or XPCML to externalize the
specifics of a toolbox call.  This architecture was designed to allow robust
interaction in an n-tier environment, and is light years ahead of most other
languages.  Python, for example, has a hard time calling other programs on
the same machine, much less on other machines.

On the other hand, if you're running on the same box as the host, you can
bypass the socket and directly call the program.  Or you can even use direct
JNI calls.

How much more tightly can you integrate a VM to a compiled language?


From: albartell

So now I am REALLY curious because if they did things right it could be
the one better than what the IBM PCML Java team considers tight
integration to RPG.

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