<?php
declare(strict_types=1);
namespace Doctrine\ORM\Query\Expr;
/**
* Expression class for DQL from.
*
* @link www.doctrine-project.org
*/
class From
{
/** @var string */
protected $from;
/** @var string */
protected $alias;
/** @var string|null */
protected $indexBy;
/**
* @param string $from The class name.
* @param string $alias The alias of the class.
* @param string $indexBy The index for the from.
*/
public function __construct($from, $alias, $indexBy = null)
{
$this->from = $from;
$this->alias = $alias;
$this->indexBy = $indexBy;
}
/**
* @return string
*/
public function getFrom()
{
return $this->from;
}
/**
* @return string
*/
public function getAlias()
{
return $this->alias;
}
/**
* @return string|null
*/
public function getIndexBy()
{
return $this->indexBy;
}
/**
* @return string
*/
public function __toString()
{
return $this->from . ' ' . $this->alias .
($this->indexBy ? ' INDEX BY ' . $this->indexBy : '');
}
}