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