private Comparison setupComparison(Resource resource1, Resource resource2) {
IDiffProcessor customDiffProcessor =
new DiffBuilder() {
@Override
public void attributeChange(
Match match,
EAttribute attribute,
Object value,
DifferenceKind kind,
DifferenceSource source) {
// System.out.println("attributeChange diff algo called. Attribute type : " +
// attribute.getName());
if (attribute.getName().equals("id")) {
// System.out.println("ignored");
return;
} else {
// System.out.println("considered");
super.attributeChange(match, attribute, value, kind, source);
}
}
};
IDiffEngine diffEngine = new DefaultDiffEngine(customDiffProcessor);
IComparisonScope scope = new DefaultComparisonScope(resource1, resource2, null);
IEObjectMatcher fallBackMatcher =
DefaultMatchEngine.createDefaultEObjectMatcher(UseIdentifiers.NEVER);
IEObjectMatcher customIDMatcher = new IdentifierEObjectMatcher(fallBackMatcher, getMatcher());
IComparisonFactory comparisonFactory =
new DefaultComparisonFactory(new DefaultEqualityHelperFactory());
IMatchEngine.Factory matchEngineFactory =
new MatchEngineFactoryImpl(customIDMatcher, comparisonFactory);
matchEngineFactory.setRanking(20);
IMatchEngine.Factory.Registry matchEngineRegistry = new MatchEngineFactoryRegistryImpl();
matchEngineRegistry.add(matchEngineFactory);
EMFCompare comparator =
EMFCompare.builder()
.setDiffEngine(diffEngine)
.setMatchEngineFactoryRegistry(matchEngineRegistry)
.build();
Comparison comparison = comparator.compare(scope);
return comparison;
}
public Comparison match(UseIdentifiers useIDs) {
final IMatchEngine matchEngine = DefaultMatchEngine.create(useIDs);
comparison = matchEngine.match(scope, new BasicMonitor());
return comparison;
}