*/
        return new Iterator<T>() {
          boolean atStart = true;

          @Override
          public boolean hasNext() {
            return iterator.hasNext();
          }

          @Override
          @ParametricNullness
          public T next() {
            T result = iterator.next();
            atStart = false; // not called if next() fails
            return result;
          }

    }

    public void addSearchLog(final SearchRequestParams params, final LocalDateTime requestedTime, final String queryId, final String query,
            final int pageStart, final int pageSize, final QueryResponseList queryResponseList) {

        final RoleQueryHelper roleQueryHelper = ComponentUtil.getRoleQueryHelper();