public function setSelect() {
        $select = $this->_options['select'];
        if (!$select) {
            $select = $this->getModel()->select();
        }
        if ($this->_options['conditions']) {
            $select->where($this->_options['conditions']);
        }       
        if ($this->_options['order']) {
            $select->order($this->_options['order']);
        }
        $this->_select = $select;
        return $this;
    }