Current File : /home/emtnaeewxm/www/vendor/symfony/symfony/src/Symfony/Component/Lock/Store/RetryTillSaveStore.php
<?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\Lock\Store;
use Psr\Log\LoggerAwareInterface;
use Psr\Log\LoggerAwareTrait;
use Psr\Log\NullLogger;
use Symfony\Component\Lock\Exception\LockConflictedException;
use Symfony\Component\Lock\Key;
use Symfony\Component\Lock\StoreInterface;
/**
* RetryTillSaveStore is a StoreInterface implementation which decorate a non blocking StoreInterface to provide a
* blocking storage.
*
* @author Jérémy Derussé <jeremy@derusse.com>
*/
class RetryTillSaveStore implements StoreInterface, LoggerAwareInterface
{
use LoggerAwareTrait;
private $decorated;
private $retrySleep;
private $retryCount;
/**
* @param StoreInterface $decorated The decorated StoreInterface
* @param int $retrySleep Duration in ms between 2 retry
* @param int $retryCount Maximum amount of retry
*/
public function __construct(StoreInterface $decorated, $retrySleep = 100, $retryCount = PHP_INT_MAX)
{
$this->decorated = $decorated;
$this->retrySleep = $retrySleep;
$this->retryCount = $retryCount;
$this->logger = new NullLogger();
}
/**
* {@inheritdoc}
*/
public function save(Key $key)
{
$this->decorated->save($key);
}
/**
* {@inheritdoc}
*/
public function waitAndSave(Key $key)
{
$retry = 0;
$sleepRandomness = (int) ($this->retrySleep / 10);
do {
try {
$this->decorated->save($key);
return;
} catch (LockConflictedException $e) {
usleep(($this->retrySleep + random_int(-$sleepRandomness, $sleepRandomness)) * 1000);
}
} while (++$retry < $this->retryCount);
$this->logger->warning('Failed to store the "{resource}" lock. Abort after {retry} retry.', ['resource' => $key, 'retry' => $retry]);
throw new LockConflictedException();
}
/**
* {@inheritdoc}
*/
public function putOffExpiration(Key $key, $ttl)
{
$this->decorated->putOffExpiration($key, $ttl);
}
/**
* {@inheritdoc}
*/
public function delete(Key $key)
{
$this->decorated->delete($key);
}
/**
* {@inheritdoc}
*/
public function exists(Key $key)
{
return $this->decorated->exists($key);
}
}
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