Examples with IEObjectMatcher org.eclipse.emf.compare.match.eobject.IEObjectMatcher used on opensource projects

Example 1 with IEObjectMatcher

use of org.eclipse.emf.compare.match.eobject.IEObjectMatcher in project tdq-studio-se by Talend.

the class ModelElementMatchEngine method createDQEObjectMatcher.

/**
 * Creates and configures an {@link IEObjectMatcher} with the strategy given by {@code useIDs}. The {@code cache}
 * will be used to cache some expensive computation (should better a LoadingCache).
 *
 * @param useIDs which strategy the return IEObjectMatcher must follow.
 * @param weightProviderRegistry the match engine needs a WeightProvider in case of this match engine do not use
 * identifiers.
 * @return a new IEObjectMatcher.
 */
public static IEObjectMatcher createDQEObjectMatcher(UseIdentifiers useIDs, WeightProvider.Descriptor.Registry weightProviderRegistry) {
    final IEObjectMatcher matcher;
    final ModelElementEditonDistance editionDistance = new ModelElementEditonDistance(weightProviderRegistry);
    final CachingDistance cachedDistance = new CachingDistance(editionDistance);
    switch(useIDs) {
        case NEVER:
            matcher = new ProximityEObjectMatcher(cachedDistance);
            break;
        case ONLY:
            matcher = new IdentifierEObjectMatcher();
            break;
        case WHEN_AVAILABLE:
        // fall through to default
        default:
            // Use an ID matcher, delegating to proximity when no ID is available
            final IEObjectMatcher contentMatcher = new ProximityEObjectMatcher(cachedDistance);
            matcher = new IdentifierEObjectMatcher(contentMatcher);
            break;
    }
    return matcher;
}

Example 2 with IEObjectMatcher

use of org.eclipse.emf.compare.match.eobject.IEObjectMatcher in project tdq-studio-se by Talend.

the class AbstractComparisonLevel method createDefaultEMFCompare.

/**
 * create a EMFCompare with default configuration.
 *
 * @return
 */
protected EMFCompare createDefaultEMFCompare() {
    // Configure EMF Compare
    IEObjectMatcher matcher = ModelElementMatchEngine.createDQEObjectMatcher(UseIdentifiers.NEVER);
    DefaultEqualityHelperFactory equalityHelperFactory = new DefaultEqualityHelperFactory();
    IComparisonFactory comparisonFactory = new DefaultComparisonFactory(equalityHelperFactory);
    IMatchEngine.Factory.Registry matchEngineRegistry = new MatchEngineFactoryRegistryImpl();
    // IMatchEngine.Factory.Registry matchEngineRegistry =
    // EMFCompareRCPPlugin.getDefault().getMatchEngineFactoryRegistry();
    DQMatchEngineFactory matchEngineFactoryImpl = new DQMatchEngineFactory(matcher, comparisonFactory);
    matchEngineRegistry.add(matchEngineFactoryImpl);
    Builder builder = EMFCompare.builder();
    builder.setDiffEngine(diffEngineWithFilter());
    EMFCompare comparator = builder.setMatchEngineFactoryRegistry(matchEngineRegistry).build();
    return comparator;
}

Example 3 with IEObjectMatcher

use of org.eclipse.emf.compare.match.eobject.IEObjectMatcher in project statecharts by Yakindu.

the class SCTMatchEngineFactory method getMatchEngine.

@Override
public IMatchEngine getMatchEngine() {
    final IComparisonFactory comparisonFactory = new DefaultComparisonFactory(new DefaultEqualityHelperFactory());
    final IEObjectMatcher matcher = DefaultMatchEngine.createDefaultEObjectMatcher(UseIdentifiers.WHEN_AVAILABLE);
    return new SCTMatchEngine(matcher, comparisonFactory);
}

Example 4 with IEObjectMatcher

use of org.eclipse.emf.compare.match.eobject.IEObjectMatcher in project tdq-studio-se by Talend.

the class ExampleLauncher method compare.

public static void compare() {
    // Load the two input models
    ResourceSet resourceSet1 = new ResourceSetImpl();
    ResourceSet resourceSet2 = new ResourceSetImpl();
    // String xmi1 = "path/to/first/model.xmi";
    // String xmi2 = "path/to/second/model.xmi";
    load(fileName1, resourceSet1);
    load(fileName2, resourceSet2);
    // Configure EMF Compare
    IEObjectMatcher matcher = DefaultMatchEngine.createDefaultEObjectMatcher(UseIdentifiers.NEVER);
    IComparisonFactory comparisonFactory = new DefaultComparisonFactory(new DefaultEqualityHelperFactory());
    IMatchEngine.Factory matchEngineFactory = new MatchEngineFactoryImpl(matcher, comparisonFactory);
    matchEngineFactory.setRanking(20);
    IMatchEngine.Factory.Registry matchEngineRegistry = new MatchEngineFactoryRegistryImpl();
    matchEngineRegistry.add(matchEngineFactory);
    EMFCompare comparator = EMFCompare.builder().setMatchEngineFactoryRegistry(matchEngineRegistry).build();
    // Compare the two models
    IComparisonScope scope = new DefaultComparisonScope(resourceSet1, resourceSet2, null);
    Comparison compare = comparator.compare(scope);
    comparator.compare(scope);
    EList<Diff> differences = compare.getDifferences();
    ICompareEditingDomain editingDomain = EMFCompareEditingDomain.create(scope.getLeft(), scope.getRight(), null);
    AdapterFactory adapterFactory = new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE);
    EMFCompareConfiguration configuration = new EMFCompareConfiguration(new CompareConfiguration());
    CompareEditorInput input = new ComparisonScopeEditorInput(configuration, editingDomain, adapterFactory, comparator, scope);
    // CompareUI.openCompareDialog(input); // or CompareUI.openCompareEditor(input);
    CompareUI.openCompareEditor(input);
}

Example 5 with IEObjectMatcher

use of org.eclipse.emf.compare.match.eobject.IEObjectMatcher in project InformationSystem by ObeoNetwork.

the class EMFCompareUtils method initializeComparator.

/**
 * Initializes the EMF Compare comparator.
 *
 * @return the EMFCompare comparator.
 */
private static EMFCompare initializeComparator() {
    final IEObjectMatcher matcher = DefaultMatchEngine.createDefaultEObjectMatcher(UseIdentifiers.NEVER);
    final IComparisonFactory comparisonFactory = new DefaultComparisonFactory(new DefaultEqualityHelperFactory());
    final IMatchEngine.Factory matchEngineFactory = new MatchEngineFactoryImpl(matcher, comparisonFactory);
    matchEngineFactory.setRanking(20);
    final IMatchEngine.Factory.Registry matchEngineRegistry = new MatchEngineFactoryRegistryImpl();
    matchEngineRegistry.add(matchEngineFactory);
    final IDiffProcessor diffProcessor = new DiffBuilder();
    final IDiffEngine diffEngine = new DefaultDiffEngine(diffProcessor) {

        @Override
        protected FeatureFilter createFeatureFilter() {
            return new FeatureFilter() {

                @Override
                protected boolean isIgnoredAttribute(EAttribute attribute) {
                    if (attribute == null) {
                        // comparison, do it here.
                        return true;
                    } else {
                        return super.isIgnoredAttribute(attribute);
                    }
                }
            };
        }
    };
    final EMFCompare comparator = EMFCompare.builder().setDiffEngine(diffEngine).setMatchEngineFactoryRegistry(matchEngineRegistry).build();
    return comparator;
}