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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\Cache\Adapter; use Psr\Cache\CacheItemInterface; use Symfony\Component\Cache\CacheItem; use Symfony\Component\Cache\PruneableInterface; use Symfony\Component\Cache\ResettableInterface; use Symfony\Contracts\Cache\CacheInterface; use Symfony\Contracts\Service\ResetInterface; /* * An adapter that collects data about all cache calls. * * @author Aaron Scherer <aequasi@gmail.com> * @author Tobias Nyholm <tobias.nyholm@gmail.com> * @author Nicolas Grekas <p@tchwork.com> / class TraceableAdapter implements AdapterInterface, CacheInterface, PruneableInterface, ResettableInterface { protected $pool; private $calls = []; public function __construct(AdapterInterface $pool) { $this->pool = $pool; } /* * {@inheritdoc} / public function get(string $key, callable $callback, float $beta = null, array &$metadata = null) { if (!$this->pool instanceof CacheInterface) { throw new \BadMethodCallException(sprintf('Cannot call "%s::get()": this class doesn\'t implement "%s".', \get_class($this->pool), CacheInterface::class)); } $isHit = true; $callback = function (CacheItem $item, bool &$save) use ($callback, &$isHit) { $isHit = $item->isHit(); return $callback($item, $save); }; $event = $this->start(__FUNCTION__); try { $value = $this->pool->get($key, $callback, $beta, $metadata); $event->result[$key] = \is_object($value) ? \get_class($value) : \gettype($value); } finally { $event->end = microtime(true); } if ($isHit) { ++$event->hits; } else { ++$event->misses; } return $value; } /* * {@inheritdoc} / public function getItem($key) { $event = $this->start(__FUNCTION__); try { $item = $this->pool->getItem($key); } finally { $event->end = microtime(true); } if ($event->result[$key] = $item->isHit()) { ++$event->hits; } else { ++$event->misses; } return $item; } /* * {@inheritdoc} / public function hasItem($key) { $event = $this->start(__FUNCTION__); try { return $event->result[$key] = $this->pool->hasItem($key); } finally { $event->end = microtime(true); } } /* * {@inheritdoc} / public function deleteItem($key) { $event = $this->start(__FUNCTION__); try { return $event->result[$key] = $this->pool->deleteItem($key); } finally { $event->end = microtime(true); } } /* * {@inheritdoc} / public function save(CacheItemInterface $item) { $event = $this->start(__FUNCTION__); try { return $event->result[$item->getKey()] = $this->pool->save($item); } finally { $event->end = microtime(true); } } /* * {@inheritdoc} / public function saveDeferred(CacheItemInterface $item) { $event = $this->start(__FUNCTION__); try { return $event->result[$item->getKey()] = $this->pool->saveDeferred($item); } finally { $event->end = microtime(true); } } /* * {@inheritdoc} / public function getItems(array $keys = []) { $event = $this->start(__FUNCTION__); try { $result = $this->pool->getItems($keys); } finally { $event->end = microtime(true); } $f = function () use ($result, $event) { $event->result = []; foreach ($result as $key => $item) { if ($event->result[$key] = $item->isHit()) { ++$event->hits; } else { ++$event->misses; } yield $key => $item; } }; return $f(); } /* * {@inheritdoc} / public function clear() { $event = $this->start(__FUNCTION__); try { return $event->result = $this->pool->clear(); } finally { $event->end = microtime(true); } } /* * {@inheritdoc} / public function deleteItems(array $keys) { $event = $this->start(__FUNCTION__); $event->result['keys'] = $keys; try { return $event->result['result'] = $this->pool->deleteItems($keys); } finally { $event->end = microtime(true); } } /* * {@inheritdoc} / public function commit() { $event = $this->start(__FUNCTION__); try { return $event->result = $this->pool->commit(); } finally { $event->end = microtime(true); } } /* * {@inheritdoc} / public function prune() { if (!$this->pool instanceof PruneableInterface) { return false; } $event = $this->start(__FUNCTION__); try { return $event->result = $this->pool->prune(); } finally { $event->end = microtime(true); } } /* * {@inheritdoc} / public function reset() { if (!$this->pool instanceof ResetInterface) { return; } $event = $this->start(__FUNCTION__); try { $this->pool->reset(); } finally { $event->end = microtime(true); } } /* * {@inheritdoc} */ public function delete(string $key): bool { $event = $this->start(__FUNCTION__); try { return $event->result[$key] = $this->pool->deleteItem($key); } finally { $event->end = microtime(true); } } public function getCalls() { return $this->calls; } public function clearCalls() { $this->calls = []; } protected function start($name) { $this->calls[] = $event = new TraceableAdapterEvent(); $event->name = $name; $event->start = microtime(true); return $event; } } class TraceableAdapterEvent { public $name; public $start; public $end; public $result; public $hits = 0; public $misses = 0; }

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