Extended attributes of subflow formal parameters or declared types

Hi,

Here is the problem:
-------------------
I want to attach some presentation information to workflow variables and
am searching for the best approach.

The presentation information is to be specified in the XPDL probably as
an extended attribute named "Presentation" that would be attached to I
don't know yet.

The presentation information is to be accessed in a modified version of
the org.enhydra.shark.corbaclient.UpdateVariable class.

The first approach
------------------
Suppose the "Presentation" extended attribute is attached to a process
variable.

In this case its value is easily retrieved using the
AdminMisc.getVariableExtendedAttributeValue method.

But...
------
But how is it retrieved if the process is a sub process of another
process and the process variable is in fact a formal parameter?

I do neither see how it would be possible to retrieve extended
attributes of the formal parameter nor how to retrieve extended
attributes of the workflow variable that is the actual parameter of the
formal parameter.

BTW: The JaWE editor does not provide a way to attach extended
attributes to formal parameters. Maybe WfMC does not allow for this.

Another approach with still a question
--------------------------------------
An alternative could be to assign the presentation information to a
declared type.

But how could extended attributes of declared types be retrieved?

I hope some of you are having some ideas on this and would be glad to
hear about.

Regards,
Dirk

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