Interprocess Communication

[davidof]

I want to communicate between a java and a 4gl application on the same workstation. Do there exist better ways than sockets to allow a communication between these two processes? ODBC is not ned. i have already thought of pipes but in the forum pipes aren't recommended at all.

 

[curly]

You could use proxygen to generate java classes capable of calling Progress AppServer procedures. Using this method you could access progress procedures from Java.

Ragards,
Marian

 

[davidof]

Thanks for info. thx davide

 

[customprogress]

i came across a download, i think under applications , freeware download, java to progress stuff... have a look.
its jprogress , i quote from his readme file:

Have FUN!!!
Cheers,
Brad.
bjl@uq.net.au

contact him.

 

[joey.jeremiah]

i also know of jpjvm from joanju.com, open sourced.

solution depends if it's java to progress, progress to java or both

 

[TomBascom]

I want to communicate between a java and a 4gl application on the same workstation. Do there exist better ways than sockets to allow a communication between these two processes? ODBC is not ned. i have already thought of pipes but in the forum pipes aren't recommended at all.

Why aren't pipes recommended? They work very well. They are much simpler than sockets to program.

If you have a simple need (and it sounds like you do) then a simple solution like pipes might be very appropriate.

 

[davidof]

Progress-Pipes are supported as simple io files (no locking). So i have to handle all the synchrinisation stuff myself. That's why i think its the best way to let the tcp stream taking care of that.
greats and thanks david

 

[TomBascom]

Progress-Pipes are supported as simple io files (no locking). So i have to handle all the synchrinisation stuff myself. That's why i think its the best way to let the tcp stream taking care of that.
greats and thanks david

You get around that by creating a dedicated pipe for each conversation.