Re: Extended attributes of subflow formal parameters or declared types

Dirk Hoffmann <[email protected]> Mon, 26 Sep 2005 16:43:52 +0200
Newsgroups gmane.comp.java.enhydra.shark
Message-ID <[email protected]>
Hi Peter,

thanks for the hint and see below:

Peter Niederlag wrote:
> Hi Dirk,
>
> probably OT again but still. ;)
>
> Dirk Hoffmann schrieb:
>   
>> 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.
>>     
>
> If I do unserstand you correctly you are facing a problem that is not
> solved/handled in XPDL. There is no specification how process variables
> are to be handled in single activities(workItems).
>   
Yes, and I was hoping to use the concept of extended attributes to add
this information to my xpdl.

I had a look at the xsd for xpdl and found out that you can't specify
extended attributes for formal parameters. Maybe I put the presentation
info into an extended attribute of the application with references to
the variables. The XForms-language could be helpful in this respect.
> Since I am heading for web-deployment of Shark rather then
> desktop-application I lately discovered that wfmOpen uses XForms in
> extended attributes:
>
> http://wfmopen.sourceforge.net/
> http://wfmopen.sourceforge.net/userapi/de/danet/an/workflow/api/doc-files/user-manual.html#N1C5BA
>
> I don't really have a clue how it works but to mee that seems like a
> smart idea at least in web-environment. Maybe it does give you some
> inspiration as well.
>   
Yes it does. I could adopt some parts of their specs e.G. using the same
names for form controls such as "select1" or "textarea".

Cheers,
Dirk
> Cheers,
> Peter
>   
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