On Mon, Jun 14, 2010 at 09:11:37AM +0200, Asier wrote:
> El 10/06/2010 3:45, John Mettraux escribió:
>
> >you could pass 'parameters' to your subprocess :
> >
> > http://ruote.rubyforge.org/exp/subprocess.html
> > under 'passing attributes as variables'
> >
> >For example :
> >
> >---8<---
> >Ruote.process_definition do
> >
> > sequence do
> > asier_participant :user => 'juan'
> > asier_participant :user => 'mafalda'
> > end
> >
> > define :name => 'asier_participant' do
> > participant :ref => '${v:user}'
> > participant :ref => '${user}' :if => '${user}'
> > end
> >end
> >--->8---
> >
> >Please note that the user is passed to the subprocess as a variable (no
> >conflict with your subsequent 'user' field).
>
> This exactly what I'm looking for! Lots of thanks, John. I think
> sometimes you must feel like a teacher with awkward students.
Hello Asier,
it's more like "I wish I had the time to document this or that feature more
thoroughly" or "I wish I had the time to make the doc better".
> >(I assume it's OK for you to translate to XML by yourself).
> >
> >Note : these days I'm using ruote + rails a lot, I'm using a
> >StorageParticipant and a workitem
> >field named 'user'. All the delegation occurs without the workitem leaving
> >the storage participant,
> >by simply modifiying the value of this 'user' field. Many possibilities.
>
> I don't understand this approach: "all the delegation occurs without
> the workitem leaving the storage participant".
>
> Like in a loop?
>
> set 'user' => 'asier'
> repeat do
> participant '${user}'
> stop :unless => "${user}'
> end
This is a possible variant (in fact you've just described the 'universal'
sequential process).
Not at all. The delegation/assignement mechanism I wrote about is not modelled
in the process definition, it happens without engine control.
For example, this process flows from an auditor (role) to a supervisor (role) :
sequence do
auditor
supervisor
end
If I have a "catch all" participant like :
sp = engine.register_participant '.+', Ruote::StorageParticipant
I can do things like :
my_workitems = sp.by_field('user', my_username)
unassigned_workitems = sp.by_field('user')
I can assign to other people
wi = my_workitems.first
wi.fields['user'] = 'asier'
sp.update(wi)
I can list your workitems
asier_workitems = sp.by_field('user', 'asier')
...
Hope it helps, best regards,
--
John Mettraux - http://jmettraux.wordpress.com
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