"Grouping" workflow & sub-flow releases

[Catherall, Andy M]

Hi all

I'm curious to see if any cunning work-arounds have been developed for
the following example scenario: 

* I have a workflow with a sub-flow. 
* This subflow is called some-way through the main-flow, and hence there
can be several instances of the main-flow active that have not yet got
so far as to call the sub-flow.
* I would like to change the design of both the main-flow & sub-flow in
some way, such that the new sub-flow design is reliant upon the change
in the main-flow design (eg A step in the main-flow does something, a
step in the sub-flow now expects that that something has been done).
* If I release these two new workflows into production, there is the
following risk:
A workflow instance which began when the old design was active now
reaches the subflow, but calls the *new* version. As described above,
the subflow expects that the mainflow has completed something, but as
the old design of the mainflow was being used, this is not correct.
Errors will probably now occur.


What would be great is if it were possible to associate subflow versions
with mainflow versions so that we could effectively version up the
package, rather than just the individual workflow templates. However,
I'm not aware of this being available on any version.

Any ideas? 

Cheers
Andy Catherall
Technical Analyst - SAP Workflow, IXOS & DMS
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