public function get($key,
        $column_slice=null,
        $column_names=null,
        $consistency_level=null) {

        $column_parent = $this->create_column_parent();
        $predicate = $this->create_slice_predicate($column_names, $column_slice);
        return $this->_get($key, $column_parent, $predicate, $consistency_level);
    }