[rules-users] Is Flow / jBPM dying on the vine?

[Esteban Aliverti]

What you seem to be looking for is a "Conditional Start Event" where you
can define the condition using Drools syntax. What you should do when you
want to introduce a "wait point" is to do the merge of you current flow
with one of this Conditional Start Event using an Converging Parallel
Gateway. The gateway will not continue its execution until all of its
branches get executed.
That is a 100& BPMN2 solution (you could also use complex gateways, but I'm
not sure in which degree are they supported in jBPM5).
Another solution, more user friendly and even easier to implement and
maintain is to use asynchronous work items that will be completed by rules
when certain condition is met. The good thing about this solution is that
is easy to create your own task definition to put in the editor palette and
that you can create a single work item handler and reuse it for all your
'wait points'.


Best Regards,



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Esteban Aliverti
- Blog @ http://ilesteban.wordpress.com


On Fri, Nov 9, 2012 at 3:18 PM, dunnlow <dunnlow at yahoo.com> wrote:

> Salaboy, the issue I have is that I want users to be able to see the
> process
> graphically, so I think that means I need one overall process (I may use a
> few sub-processes).  Using rules however as you suggest is there a way to
> "pause" a process until a message (/signal) with certain criteria is
> inserted?  I thought about using a business rule task, with a rule that
> would always be false (until the node should allow processing to pass
> through), but I could not get that working.
>
> I also saw a suggestion about adding a "Condition" to the metadata for a
> timer node, but that doesn't seem to be working either.
>
> Mark - thanks for the information.  I'm looking at flexible processes now
> and will be in touch with Kris.
>
> Thanks again,
> -J
>
>
>
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