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21 namespace Doctrine\Common\Cache;
26 * Memcached cache provider.
28 * @license http://www.opensource.org/licenses/lgpl-license.php LGPL
29 * @link www.doctrine-project.org
31 * @author Benjamin Eberlei <kontakt@beberlei.de>
32 * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
33 * @author Jonathan Wage <jonwage@gmail.com>
34 * @author Roman Borschel <roman@code-factory.org>
35 * @author David Abdemoulaie <dave@hobodave.com>
37 class MemcachedCache extends CacheProvider
45 * Sets the memcache instance to use.
47 * @param Memcached $memcached
49 public function setMemcached(Memcached $memcached)
51 $this->memcached = $memcached;
55 * Gets the memcached instance used by the cache.
59 public function getMemcached()
61 return $this->memcached;
67 protected function doFetch($id)
69 return $this->memcached->get($id);
75 protected function doContains($id)
77 return (false !== $this->memcached->get($id));
83 protected function doSave($id, $data, $lifeTime = 0)
85 if ($lifeTime > 30 * 24 * 3600) {
86 $lifeTime = time() + $lifeTime;
88 return $this->memcached->set($id, $data, (int) $lifeTime);
94 protected function doDelete($id)
96 return $this->memcached->delete($id);
102 protected function doFlush()
104 return $this->memcached->flush();
110 protected function doGetStats()
112 $stats = $this->memcached->getStats();
113 $servers = $this->memcached->getServerList();
114 $key = $servers[0]['host'] . ':' . $servers[0]['port'];
115 $stats = $stats[$key];
117 Cache::STATS_HITS => $stats['get_hits'],
118 Cache::STATS_MISSES => $stats['get_misses'],
119 Cache::STATS_UPTIME => $stats['uptime'],
120 Cache::STATS_MEMORY_USAGE => $stats['bytes'],
121 Cache::STATS_MEMORY_AVAILIABLE => $stats['limit_maxbytes'],