<?php declare(strict_types=1); namespace Doctrine\ORM\Query\AST; /** * EmptyCollectionComparisonExpression ::= CollectionValuedPathExpression "IS" ["NOT"] "EMPTY" * * @link www.doctrine-project.org */ class EmptyCollectionComparisonExpression extends Node { /** @var PathExpression */ public $expression; /** @var bool */ public $not; /** @param PathExpression $expression */ public function __construct($expression, bool $not = false) { $this->expression = $expression; $this->not = $not; } /** * {@inheritdoc} */ public function dispatch($sqlWalker) { return $sqlWalker->walkEmptyCollectionComparisonExpression($this); } }