public function addLogicalOperator($operator)
    {
        if ($this->_mode === self::GM_SIGNS) {
            include_once 'Zend/Search/Lucene/Search/QueryParserException.php';
            throw new Zend_Search_Lucene_Search_QueryParserException('It\'s not allowed to mix boolean and signs styles in the same subquery.');
        }

        $this->_mode = self::GM_BOOLEAN;

        $this->_entries[] = $operator;
    }
public function addLogicalOperator($operator)
    {
        if ($this->_mode === self::GM_SIGNS) {
            include_once 'Zend/Search/Lucene/Search/QueryParserException.php';
            throw new Zend_Search_Lucene_Search_QueryParserException('It\'s not allowed to mix boolean and signs styles in the same subquery.');
        }

        $this->_mode = self::GM_BOOLEAN;

        $this->_entries[] = $operator;
    }
public function addLogicalOperator ( $ operator ) { if ( $ this -> _mode === self :: GM_SIGNS ) { include_once 'Zend/Search/Lucene/Search/QueryParserException.php' ; throw new Zend_Search_Lucene_Search_QueryParserException ( 'It\'s not allowed to mix boolean and signs styles in the same subquery.' ) ; } $ this -> _mode = self :: GM_BOOLEAN ; $ this -> _entries [ ] = $ operator ; }
Process logical operator

@param integer $operator
Process logical operator