wiki-grav/plugins/email/vendor/symfony/messenger/Handler/Acknowledger.php

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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Messenger\Handler;
use Symfony\Component\Messenger\Exception\LogicException;
/**
* @author Nicolas Grekas <p@tchwork.com>
*/
class Acknowledger
{
private $handlerClass;
private $ack;
private $error = null;
private $result = null;
/**
* @param null|\Closure(\Throwable|null, mixed):void $ack
*/
public function __construct(string $handlerClass, \Closure $ack = null)
{
$this->handlerClass = $handlerClass;
$this->ack = $ack ?? static function () {};
}
/**
* @param mixed $result
*/
public function ack($result = null): void
{
$this->doAck(null, $result);
}
public function nack(\Throwable $error): void
{
$this->doAck($error);
}
public function getError(): ?\Throwable
{
return $this->error;
}
/**
* @return mixed
*/
public function getResult()
{
return $this->result;
}
public function isAcknowledged(): bool
{
return null === $this->ack;
}
public function __destruct()
{
if ($this->ack instanceof \Closure) {
throw new LogicException(sprintf('The acknowledger was not called by the "%s" batch handler.', $this->handlerClass));
}
}
private function doAck(\Throwable $e = null, $result = null): void
{
if (!$ack = $this->ack) {
throw new LogicException(sprintf('The acknowledger cannot be called twice by the "%s" batch handler.', $this->handlerClass));
}
$this->ack = null;
$this->error = $e;
$this->result = $result;
$ack($e, $result);
}
}