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<?php
/**
* This file is part of the sj-i/php-profiler package.
*
* (c) sji <[email protected]>
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
declare(strict_types=1);
namespace PhpProfiler\Lib\Loop\LoopMiddleware;
use Exception;
use PhpProfiler\Lib\Loop\LoopMiddlewareInterface;
final class RetryOnExceptionMiddleware implements LoopMiddlewareInterface
{
private LoopMiddlewareInterface $chain;
/** @var array<int, class-string<Exception>> */
private array $exception_names;
private int $max_retry;
private int $current_retry_count = 0;
* RetryOnExceptionLoop constructor.
* @param int $max_retry
* @param array<int, class-string<Exception>> $exception_names
* @param LoopMiddlewareInterface $chain
public function __construct(int $max_retry, array $exception_names, LoopMiddlewareInterface $chain)
$this->max_retry = $max_retry;
$this->exception_names = $exception_names;
$this->chain = $chain;
}
public function invoke(): bool
while ($this->current_retry_count <= $this->max_retry or $this->max_retry === -1) {
try {
$result = $this->chain->invoke();
$this->current_retry_count = 0;
return $result;
} catch (Exception $e) {
if (in_array(get_class($e), $this->exception_names, true)) {
$this->current_retry_count++;
continue;
throw $e;
return false;
sj-i /
php-profiler
