2009/9/3 孫 皓 <[email protected]>:
>
>
> Hi, John
>
> I have a process definition which using concurrent-iterator here,
> it is not so simple like the below example:
>
> --------- Definition ---------
> concurrent_iterator :on => "${f:workers}", :to_field => 'worker',
> :merge_type => 'isolate', :timeout => '${f:timeout}' do
> participant :ref => '${f:worker}', :step => 'send_job'
> ---------------------------------
>
> ------- Example ------------
> [ 'sequence', {}, [ [ 'participant', { 'ref': '${f:user0}' }, [] ],
> [ 'participant', { 'ref': '${f:user1}' }, [] ] ] ]
> --------------------------------
>
> ------ My Problem --------
> [ 'concurrent_iterator', .... [ [ 'participant', { 'ref': '$
> {f:worker}' }, [] ], [ 'participant', { 'ref': '${f:worker}' }, [] ] ] ]
> --------------------------------
>
> I can not distinct one worker from the other easily, any suggestions ?
Hello,
this is a hard problem, I guess you could translate the
"concurrent_iterator" to a concurrence :
if the workers are "alice, bob, charly" then
--------- Definition ---------
concurrent_iterator :on => "${f:workers}", :to_field => 'worker',
:merge_type => 'isolate', :timeout => '${f:timeout}' do
participant :ref => '${f:worker}', :step => 'send_job'
end
---------------------------------
becomes
--------- Result ---------
concurrence :merge_type => 'isolate', :timeout => '${f:timeout}' do
participant :ref => 'alice', :step => 'send_job'
participant :ref => 'bob', :step => 'send_job'
participant :ref => 'charly', :step => 'send_job'
end
---------------------------------
but that's maybe "tricky", and it will not necessarily play will with
"displaying the workitem" in the diagram.
Another totally different approach would be to look only at the
"trace" of the workflow from a history point of view. But that's not
ruote-fluo orientend at all, it would require a timeline library (like
http://www.simile-widgets.org/timeline/ )
Cheers,
--
John Mettraux - http://jmettraux.wordpress.com
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