class SimpleCatalogManager implements CatalogManager {

    @Override
    public Difference getCommitDifference(Resource commitId) {
        long start = System.currentTimeMillis();
        try (RepositoryConnection conn = configProvider.getRepository().getConnection()) {
            utils.validateResource(commitId, commitFactory.getTypeIRI(), conn);
            return utils.getCommitDifference(commitId, conn);
        } finally {
            log.trace("getCommitDifference took {}ms", System.currentTimeMillis() - start);
        }
    }

    public  SimpleCatalogManager();

}