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Home » Modeling » EMF "Technology" (Ecore Tools, EMFatic, etc)  » [EMF compare] merging explanation
[EMF compare] merging explanation [message #621314] Wed, 19 August 2009 18:08
Eclipse UserFriend
Originally posted by: mugbi83.googlemail.com

Hi

After some time searching for good model comparison software I came
across EMF compare. From what I have seen so far it is really a great
piece of work but sadly the documentation could not answer all of my
questions. I hope that you can fill these gaps.

I had no problems with matching elements and using the difference engine
to get a match- and diffmodel (I used the standalone example and EMF
models). I understand how this works but after these steps I want to
merge both models. This seems to be a very tricky part.

So my actual question is: what happens when calling
MergeService.merge(....) ? Does this really merge the left and the right
model (according to the Boolean parameter and the diffs), are these
changes also stored in the ResourceSet? Does merge use the diffs and the
two models in the resource set?

Is it possible to store the diff-/matchmodels and apply the changes
later, without loading both models but only one of them? Like: Store
the snapshot, store the left model; two days later apply the merging on
he left model (the right model was deleted). Is this possible?

I hope my questions are not too confusing
Thanks for your attention,
Best regards
Philipp
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