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<?php
declare(strict_types=1);
namespace Doctrine\ORM\Query\AST;
use function strtoupper;
/**
* OrderByItem ::= (ResultVariable | StateFieldPathExpression) ["ASC" | "DESC"]
*
* @link www.doctrine-project.org
*/
class OrderByItem extends Node
{
/** @var mixed */
public $expression;
/** @var string */
public $type;
/** @param mixed $expression */
public function __construct($expression)
{
$this->expression = $expression;
}
/** @return bool */
public function isAsc()
{
return strtoupper($this->type) === 'ASC';
}
/** @return bool */
public function isDesc()
{
return strtoupper($this->type) === 'DESC';
}
/**
* {@inheritdoc}
*/
public function dispatch($sqlWalker)
{
return $sqlWalker->walkOrderByItem($this);
}
}
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