public function get_range_by_token($token_start="",
                              $token_finish="",
                              $row_count=self::DEFAULT_ROW_COUNT,
                              $column_slice=null,
                              $column_names=null,
                              $consistency_level=null,
                              $buffer_size=null) {

        $cp = $this->create_column_parent();
        $slice = $this->create_slice_predicate($column_names, $column_slice);

        return $this->_get_range_by_token($token_start, $token_finish, $row_count,
            $cp, $slice, $consistency_level, $buffer_size);
    }