John,
Done!
Thanks,
Pat.
On Aug 5, 2010, at 9:14 AM, John Mettraux wrote:
>
> On Thu, Aug 05, 2010 at 09:02:43AM -0400, Cappelaere Patrice wrote:
>>
>> Good question.
>> BPMN is the visual interface. Then you export it to some intermediate
>> format (like XPDL).
>> When you create a process, you will need to define the input parameters.
>> This is usually done at the application level (Dialog of some sorts). Then
>> this gets mapped to the WorkflowProcess parameters (if you use XPDL as
>> intermediate representation). Then I would need to convert to openwfe xml.
>
> Hello,
>
> you could re-open the ruote engine and wrap launch with your checking logic :
>
> ---8<---
> module Ruote
>
> class Engine
>
> def check_and_launch (pdef, fields={}, variables={})
>
> pdef, params = split_params(pdef)
>
> check_params(params, fields)
>
> # check_params didn't raise, clear for launch...
>
> launch(pdef, fields, variables)
> end
>
> protected
>
> # Splits the params from the process definition.
> # Returns an array [ pdef without params, params ].
> #
> def split_params (pdef)
> # ...
> end
>
> # Will raise an exception if something is not right...
> #
> def check_params (params, fields)
> # ...
> end
> end
> end
>
> #...
>
> pdef = bpmn2_tool.generate_process_definition()
> ruote_engine.check_and_launch(pdef)
> --->8---
>
> Just an idea. (fields is the initial payload, what used to be the
> "launchitem").
>
>
> Kind regards,
>
> --
> John Mettraux - http://jmettraux.wordpress.com
>
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