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Re: [jwt-dev] Re: [Metamodel] Why do not use BPDM as MetaModel ?
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Hi Emmanuel
We definitely need to put it on the map, if only because it is advocated
as a standard, and because it seems to address and have resolved our
very generic metamodel problematics.
However... as Florian said, it would be a little bit hard and too costly
to switch from our current eclipse-centric, contribution-based, XPDL
targeted first phase to something that looks still a lot farther from
concrete implementation. Moreover OMG-based standards have not a good
track record of feasability of implementation...
Finally it's ties with BPMN are intersting, but if it's the metamodel
behind bpmn, what about its ties to eclipse-based metamodels and dsl
technologies ?
On a first look I'd say it's redundant with our current approach at the
moment. I personally would need to have a deeper look at it though - any
experience welcome.
Regards
Marc Dutoo
Open Wide
Florian Lautenbacher a écrit :
Hi Emmanuel,
I agree with you that BPDM is a great meta-model that captures all the
aspects that we will need. But it is much too big when you want to
implement all aspects in a few month. Using BPDM would take us years to
come up with a presentable solution. Therefore, I agree with Marc in one
of his former posts, where he said that we should more focus on existing
tools and how they can be changed in order to meet all requirements for
XPDL, BPEL, etc. than to start from scratch and throw away all existing
code.
The work from Steve is a great starting point and gives us hints what we
will need to change on the current meta-model in order to generate XPDL
in the end.
Best regards,
Florian
---
In response to your message on the newsgroup from 11.04./16.04.:
Hello,
BPDM (Business Process Definition MetaModel) project has started few
years ago. The goal of this project is:
"This specification has been through a multi-year process within the
Object Management Group (OMG) to define a common meta model for the
various process notations, methodologies and standards. BPDM also
serves as the meta model behind the popular Business Process Modeling
(BPMN) notation."
The last proposal for specification has been submited at the end of last
month. You can visit the site http://www.modeldriven.org/web/bpdm and
see the specification.
I see a lot of advantages:
1) A lot of people have worked on this model and i think they fixed a
lot of potential problems
2) This is linked with the BPMN project, the standard in terms of GUI
approach
3) This is the OMG standard meta model
4) It covered XPDL and BPEL
So what do you think ?
Emmanuel
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