110 lines
3.8 KiB
PHP
110 lines
3.8 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Cache\Traits;
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use Psr\Log\LoggerInterface;
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use Symfony\Component\Cache\Adapter\AdapterInterface;
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use Symfony\Component\Cache\CacheItem;
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use Symfony\Component\Cache\Exception\InvalidArgumentException;
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use Symfony\Component\Cache\LockRegistry;
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use Symfony\Contracts\Cache\CacheInterface;
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use Symfony\Contracts\Cache\CacheTrait;
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use Symfony\Contracts\Cache\ItemInterface;
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/**
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* @author Nicolas Grekas <p@tchwork.com>
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*
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* @internal
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*/
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trait ContractsTrait
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{
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use CacheTrait {
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doGet as private contractsGet;
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}
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private $callbackWrapper;
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private $computing = [];
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/**
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* Wraps the callback passed to ->get() in a callable.
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*
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* @return callable the previous callback wrapper
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*/
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public function setCallbackWrapper(?callable $callbackWrapper): callable
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{
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if (!isset($this->callbackWrapper)) {
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$this->callbackWrapper = \Closure::fromCallable([LockRegistry::class, 'compute']);
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if (\in_array(\PHP_SAPI, ['cli', 'phpdbg'], true)) {
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$this->setCallbackWrapper(null);
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}
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}
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$previousWrapper = $this->callbackWrapper;
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$this->callbackWrapper = $callbackWrapper ?? static function (callable $callback, ItemInterface $item, bool &$save, CacheInterface $pool, \Closure $setMetadata, ?LoggerInterface $logger) {
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return $callback($item, $save);
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};
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return $previousWrapper;
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}
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private function doGet(AdapterInterface $pool, string $key, callable $callback, ?float $beta, array &$metadata = null)
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{
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if (0 > $beta = $beta ?? 1.0) {
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throw new InvalidArgumentException(sprintf('Argument "$beta" provided to "%s::get()" must be a positive number, %f given.', static::class, $beta));
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}
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static $setMetadata;
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$setMetadata = $setMetadata ?? \Closure::bind(
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static function (CacheItem $item, float $startTime, ?array &$metadata) {
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if ($item->expiry > $endTime = microtime(true)) {
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$item->newMetadata[CacheItem::METADATA_EXPIRY] = $metadata[CacheItem::METADATA_EXPIRY] = $item->expiry;
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$item->newMetadata[CacheItem::METADATA_CTIME] = $metadata[CacheItem::METADATA_CTIME] = (int) ceil(1000 * ($endTime - $startTime));
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} else {
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unset($metadata[CacheItem::METADATA_EXPIRY], $metadata[CacheItem::METADATA_CTIME]);
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}
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},
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null,
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CacheItem::class
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);
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return $this->contractsGet($pool, $key, function (CacheItem $item, bool &$save) use ($pool, $callback, $setMetadata, &$metadata, $key) {
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// don't wrap nor save recursive calls
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if (isset($this->computing[$key])) {
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$value = $callback($item, $save);
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$save = false;
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return $value;
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}
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$this->computing[$key] = $key;
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$startTime = microtime(true);
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if (!isset($this->callbackWrapper)) {
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$this->setCallbackWrapper($this->setCallbackWrapper(null));
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}
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try {
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$value = ($this->callbackWrapper)($callback, $item, $save, $pool, function (CacheItem $item) use ($setMetadata, $startTime, &$metadata) {
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$setMetadata($item, $startTime, $metadata);
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}, $this->logger ?? null);
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$setMetadata($item, $startTime, $metadata);
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return $value;
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} finally {
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unset($this->computing[$key]);
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}
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}, $beta, $metadata, $this->logger ?? null);
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}
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}
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