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102 lines
2.1 KiB
102 lines
2.1 KiB
<?php |
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namespace Doctrine\Common\Cache; |
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use Memcache; |
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use function time; |
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/** |
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* Memcache cache provider. |
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* |
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* @link www.doctrine-project.org |
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* |
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* @deprecated |
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*/ |
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class MemcacheCache extends CacheProvider |
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{ |
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/** @var Memcache|null */ |
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private $memcache; |
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/** |
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* Sets the memcache instance to use. |
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* |
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* @return void |
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*/ |
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public function setMemcache(Memcache $memcache) |
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{ |
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$this->memcache = $memcache; |
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} |
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/** |
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* Gets the memcache instance used by the cache. |
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* |
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* @return Memcache|null |
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*/ |
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public function getMemcache() |
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{ |
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return $this->memcache; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function doFetch($id) |
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{ |
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return $this->memcache->get($id); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function doContains($id) |
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{ |
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$flags = null; |
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$this->memcache->get($id, $flags); |
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//if memcache has changed the value of "flags", it means the value exists |
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return $flags !== null; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function doSave($id, $data, $lifeTime = 0) |
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{ |
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if ($lifeTime > 30 * 24 * 3600) { |
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$lifeTime = time() + $lifeTime; |
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} |
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return $this->memcache->set($id, $data, 0, (int) $lifeTime); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function doDelete($id) |
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{ |
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// Memcache::delete() returns false if entry does not exist |
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return $this->memcache->delete($id) || ! $this->doContains($id); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function doFlush() |
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{ |
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return $this->memcache->flush(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function doGetStats() |
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{ |
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$stats = $this->memcache->getStats(); |
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return [ |
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Cache::STATS_HITS => $stats['get_hits'], |
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Cache::STATS_MISSES => $stats['get_misses'], |
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Cache::STATS_UPTIME => $stats['uptime'], |
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Cache::STATS_MEMORY_USAGE => $stats['bytes'], |
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Cache::STATS_MEMORY_AVAILABLE => $stats['limit_maxbytes'], |
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]; |
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} |
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}
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