fork problem in pvm

[hardest]

hi.I'm a new user of pvm.I wanna define concurrent process like "fork" and "join" in jbpm.But I cannot find "fork" and "join" in pvm and only find "node".So I can only use node to simulate the behavior of fork like this:
ProcessDefinition processDefinition = ProcessFactory.build("sequence")
.node("one").initial().behaviour(new Parrel("one")).transition("aaa").to("two").transition("bbb").to("three").node("two").behaviour(new WaitState("two")).transition("ccc").to("four").node("three").behaviour(new WaitState("three")).transition("ddd").to("four").node("four").behaviour(new WaitState("four")).done();

Execution execution = processDefinition.startExecution();
Execution e=execution.createExecution("child");
Execution e2=execution.createExecution("child2");
e.signal();
e2.signal();

But i want the real fork and join like jbpm do.Is there any implemented fork and join in pvm?

[tom.baeyens]

not in the pvm. that will be coming in jbpm 4.

[hardest]

you mean the new pvm virsion in jbpm4 will implements the fork and join mechanism?

[hardest]

hi.i read the manual and the source of pvm these days,and i think maybe i should implement the fork and join using "activity" in pvm.is that a correct and recommended way?

[tom.baeyens]

yes. see also jpdl.

[hardest]

thanks for reply

[147175882]

Hi, hardest.I got the same problem like your, but I can't resolve it. Could you share me your demonstration and to learn it together.If your want, then. Please send it to [e-mail] very much

[galanfish]

"hardest" wrote:
hi.i read the manual and the source of pvm these days,and i think maybe i should implement the fork and join using "activity" in pvm.is that a correct and recommended way?

can anyone please explain for us that why this way is better? what's the advantage?

thx!