Re: Comparing two models for differences

Where would these methods be added?
Martin

Holger Krug wrote:
> On Tue, Jul 23, 2002 at 11:21:48AM +0200, Martin Matula wrote:
> 
>>For some usecases it could be also better to use "metamodel-based diff", 
>>which is a utility that operates on MDR directly rather than on XMI 
>>files and compares two different datastructures using their metamodel. 
>>One of my students developed such a module for NetBeans as part of his 
>>master thesis. Hopefuly he will contribute it soon.
> 
> 
> 
> Martin, it seems you have clever students. Could your student suggest
> to add something like metamodel-based "equals(other)" and "hashCode()"
> methods. Two models are equal when there diff is empty and the hash
> codes of equal models is equal ?! `equals' should be trivial,
> `hashCode' would be somehow more involved, but it should be possible
> to rely on the hash codes of Java collections ?!
>