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Re: [dsdp-mtj-dev] MTJ Model
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Arto,
Can you please point us at the explanation you gave before (mentioned by
Kevin)? Maybe we can read up on this before the meeting.
During the meeting - It would be good if you could get us all on the
same page. I agree we should take a few minutes to address this central
component of MTJ.
Is there any presentations you have which you can send out before the
meeting?
Please assume that most of us are not familiar with the details of EMF.
Thanks!
-Christian
Arto.Laurila@xxxxxxxxx wrote:
Hi,
The current MTJ services are using an EMF based model, that is
initially created with any EMF compatible tool.
The tools that Kevin is referring here and what e.g. I have used is
the a bit older Rational Rose tool to create the UML model.
I think that even some very old version of Rose can be used with this.
Thus the same model can be done with other tools, like IBM Rational
Architect or Modeler or what ever (or even directly with the EMF).
When thinking the current MTJ architecture, there is certainly needed
to discuss that does team members have experience on EMF or not.
In case of that would be replaced, it pretty much means that the whole
MTJ internal architecture have to be recoded also.
As comparing to other Eclipse based projects, some of those are not
using EMF at all and they do model their data model e.g. with plain java.
As it is e.g. with EclipseME (Craig, correct me if I'm wrong).
Why the EMF has been used here, well that enables to have a Eclipse
compatible and working data layer, where the initial design is done
with UML and the the MTJ related EMF layer is generated from the UML
file. That saves a lot of coding & testing time.
In my part I have to say that if the EMF layer is dropped, I may have
problems to participate to create the same functionality again from Nokia
point of view.
-Arto
------------------------------------------------------------------------
*From:* dsdp-mtj-dev-bounces@xxxxxxxxxxx
[mailto:dsdp-mtj-dev-bounces@xxxxxxxxxxx] *On Behalf Of *ext
Raniere Hugo-wha006
*Sent:* 14. marraskuuta 2007 16:33
*To:* Mobile Tools for The Java Platform mailing list
*Subject:* RE: [dsdp-mtj-dev] MTJ Model
Hi Kevin,
I’m one of the guys at Motorola intending to work in MTJ. I agree
with you that having this kind of dependencies may not be good for
the project, and one of the tasks we are proposing in this MTJ
reboot is to have an new proposed architecture by beginning of
next year. For sure we can review the data model for this new
proposed architecture.
During the meeting we are also going to talk about the proposed
planning (more info on mtj wiki). If the meeting time is not
enough to discuss about the data model, we can set a new activity
in the planning to analyze the data model.
Best regards,
Hugo
------------------------------------------------------------------------
*From:* dsdp-mtj-dev-bounces@xxxxxxxxxxx
[mailto:dsdp-mtj-dev-bounces@xxxxxxxxxxx] *On Behalf Of *Kevin M
Horowitz
*Sent:* Wednesday, November 14, 2007 11:11 AM
*To:* dsdp-mtj-dev@xxxxxxxxxxx
*Subject:* [dsdp-mtj-dev] MTJ Model
Hi,
I realize this is a little late for today's meeting, but I would
like to suggest that as part of the reset, we open the idea of the
current data model behind the MTJ project. The model stores all of
the relational data about devices and setup. The model is
generated using a Rational product, and then converted using the
EMF project. Arto provided instructions at the very end of our
relationship explaining how this code is generated, but this ties
us to a commercial product that many of our participants might not
have in the future, and makes modifications to the underlaying
data structure difficult to maintain my team members.
kevin
--
Kevin Horowitz
khorowit@xxxxxxxxxx
Expeditor Tools Development
Workplace Portal and Collaboration Software
IBM - Boca Raton, +1-561-862-2113
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