private function _iterator()
    {
        if(!isset($this->_iterator))
            $this->_iterator = $this->_resultSet()->getIterator();

        return $this->_iterator;
    }
private function _iterator()
    {
        if(!isset($this->_iterator))
            $this->_iterator = $this->_resultSet()->getIterator();

        return $this->_iterator;
    }
private function _iterator ( ) { if ( ! isset ( $ this -> _iterator ) ) $ this -> _iterator = $ this -> _resultSet ( ) -> getIterator ( ) ; return $ this -> _iterator ; }
Returns the delegate iterator from the resultset
Returns the delegate iterator from the resultset