45 lines
809 B
PHP
45 lines
809 B
PHP
<?php
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/*
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* To change this template, choose Tools | Templates
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* and open the template in the editor.
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*/
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namespace Doctrine\ORM\Query\AST;
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/**
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* NullComparisonExpression ::= (SingleValuedPathExpression | InputParameter) "IS" ["NOT"] "NULL"
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*
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* @author robo
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*/
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class NullComparisonExpression extends Node
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{
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private $_expression;
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private $_not;
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public function __construct($expression)
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{
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$this->_expression = $expression;
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}
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public function getExpression()
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{
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return $this->_expression;
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}
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public function setNot($bool)
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{
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$this->_not = $bool;
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}
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public function isNot()
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{
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return $this->_not;
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}
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public function dispatch($sqlWalker)
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{
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return $sqlWalker->walkNullComparisonExpression($this);
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}
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}
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