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[EMF Compare] Comparing unordered elements [message #1017335]

Mon, 11 March 2013 11:59

Eclipse User

Hello,

I am starting to experiment with EMF Compare 2.1.

I tried to compare two simple identical models, having simply modified the order of some elements.
The elements are matched, however the result contains differences of the kind "MOVE".
I've checked the metamodel, to ensure that the corresponding EReference has its ordered property set to "false" and it is the case.

With EMF Compare 1.2 I did not have this problem.

Is there something I have forgotten to do to consider the order of the elements only when the EReference is ordered ?

In advance, thanks

Re: [EMF Compare] Comparing unordered elements [message #1017623 is a reply to message #1017335]

Tue, 12 March 2013 04:23

Eclipse User

Olivier,

We detect "move" differences on features that match one of the following:

The feature is marked as "ordered", or
The feature is a containmnent reference.

My guess is that you are in the second case, and have an "unordered" containment reference. There is no way (yet) to configure this behavior except when launching comparisons through code (i.e. not through the default "compare With" actions of Eclipse). If you are launching your comparisons through code, the behavior to customize is the Feature Filter.

Laurent Goubet
Obeo

Re: [EMF Compare] Comparing unordered elements [message #1017656 is a reply to message #1017623]

Tue, 12 March 2013 05:24

Eclipse User

Hello Laurent,

you've guessed right.

I will see what I can do with the Feature Filter's customization, it seems simple enough.

Thanks again.
Olivier

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