Файл: vendor/symfony/cache/Messenger/EarlyExpirationDispatcher.php
Строк: 101
<?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 SymfonyComponentCacheMessenger;
use PsrLogLoggerInterface;
use SymfonyComponentCacheAdapterAdapterInterface;
use SymfonyComponentCacheCacheItem;
use SymfonyComponentDependencyInjectionReverseContainer;
use SymfonyComponentMessengerMessageBusInterface;
use SymfonyComponentMessengerStampHandledStamp;
/**
* Sends the computation of cached values to a message bus.
*/
class EarlyExpirationDispatcher
{
private MessageBusInterface $bus;
private ReverseContainer $reverseContainer;
private ?Closure $callbackWrapper;
public function __construct(MessageBusInterface $bus, ReverseContainer $reverseContainer, ?callable $callbackWrapper = null)
{
$this->bus = $bus;
$this->reverseContainer = $reverseContainer;
$this->callbackWrapper = null === $callbackWrapper ? null : $callbackWrapper(...);
}
/**
* @return mixed
*/
public function __invoke(callable $callback, CacheItem $item, bool &$save, AdapterInterface $pool, Closure $setMetadata, ?LoggerInterface $logger = null)
{
if (!$item->isHit() || null === $message = EarlyExpirationMessage::create($this->reverseContainer, $callback, $item, $pool)) {
// The item is stale or the callback cannot be reversed: we must compute the value now
$logger?->info('Computing item "{key}" online: '.($item->isHit() ? 'callback cannot be reversed' : 'item is stale'), ['key' => $item->getKey()]);
return null !== $this->callbackWrapper ? ($this->callbackWrapper)($callback, $item, $save, $pool, $setMetadata, $logger) : $callback($item, $save);
}
$envelope = $this->bus->dispatch($message);
if ($logger) {
if ($envelope->last(HandledStamp::class)) {
$logger->info('Item "{key}" was computed online', ['key' => $item->getKey()]);
} else {
$logger->info('Item "{key}" sent for recomputation', ['key' => $item->getKey()]);
}
}
// The item's value is not stale, no need to write it to the backend
$save = false;
return $message->getItem()->get() ?? $item->get();
}
}