/** * Cleans up the given store. * * @param crdf could be a triple or a quad store. * @throws CumulusStoreException in case the cleanup fails. */ public static void clean(final Store crdf) throws CumulusStoreException { crdf.clear(); assertEquals( "Store seems not empty after issuing a delete * command.", 0, numOfRes( crdf.query( crdf instanceof TripleStore ? SELECT_ALL_TRIPLES_PATTERN : SELECT_ALL_QUADS_PATTERN))); }