public Results<E> execute(Map<String, ?> map) throws StorageException {
   try {
     return query.execute(map);
   } catch (ClusterJException e) {
     throw HopsExceptionHelper.wrap(e);
   }
 }
 public Results<E> execute(Object... objects) throws StorageException {
   try {
     return query.execute(objects);
   } catch (ClusterJException e) {
     throw HopsExceptionHelper.wrap(e);
   }
 }