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How to compare two UML Model Resources ignoring XMI ids. [message #1733998]

Thu, 02 June 2016 19:44

Wesley Klewerton

Messages: 11
Registered: March 2016

Junior Member

When I copy an UML Model Resource using EcoreUtil.copyAll all XMI:IDs are redefined. Then, if I use diffmerge to compare them the result is that the models are completely different. I've tryed to use the MatchCriterionKind.NAME in the ConfigurableMatchPolicy, however it haven't worked.

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Re: How to compare two UML Model Resources ignoring XMI ids. [message #1734039 is a reply to message #1733998]

Fri, 03 June 2016 09:29

Olivier Constant

Messages: 106
Registered: January 2012

Senior Member

You need to override method 'getUniqueName(...)' in your match policy in order to make MatchCriterionKind.NAME effective on your metamodel (in this case, UML2).
Alternatively, since org.eclipse.uml2.uml.NamedElement also has a 'getQualifiedName()' method, you may directly override method 'getMatchID(...)' and use the qualified name as a match ID for named elements.

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