class MemcachedCache

Memcached cache provider.

@license http://www.opensource.org/licenses/lgpl-license.php LGPL @link www.doctrine-project.org @since 2.2 @author Benjamin Eberlei <kontakt@beberlei.de> @author Guilherme Blanco <guilhermeblanco@hotmail.com> @author Jonathan Wage <jonwage@gmail.com> @author Roman Borschel <roman@code-factory.org> @author David Abdemoulaie <dave@hobodave.com>

Hierarchy

Expanded class hierarchy of MemcachedCache

1 file declares its use of MemcachedCache
MemcachedCacheTest.php in drupal/core/vendor/doctrine/common/tests/Doctrine/Tests/Common/Cache/MemcachedCacheTest.php

File

drupal/core/vendor/doctrine/common/lib/Doctrine/Common/Cache/MemcachedCache.php, line 37

Namespace

Doctrine\Common\Cache
View source
class MemcachedCache extends CacheProvider {

  /**
   * @var Memcached
   */
  private $memcached;

  /**
   * Sets the memcache instance to use.
   *
   * @param Memcached $memcached
   */
  public function setMemcached(Memcached $memcached) {
    $this->memcached = $memcached;
  }

  /**
   * Gets the memcached instance used by the cache.
   *
   * @return Memcached
   */
  public function getMemcached() {
    return $this->memcached;
  }

  /**
   * {@inheritdoc}
   */
  protected function doFetch($id) {
    return $this->memcached
      ->get($id);
  }

  /**
   * {@inheritdoc}
   */
  protected function doContains($id) {
    return false !== $this->memcached
      ->get($id);
  }

  /**
   * {@inheritdoc}
   */
  protected function doSave($id, $data, $lifeTime = 0) {
    if ($lifeTime > 30 * 24 * 3600) {
      $lifeTime = time() + $lifeTime;
    }
    return $this->memcached
      ->set($id, $data, (int) $lifeTime);
  }

  /**
   * {@inheritdoc}
   */
  protected function doDelete($id) {
    return $this->memcached
      ->delete($id);
  }

  /**
   * {@inheritdoc}
   */
  protected function doFlush() {
    return $this->memcached
      ->flush();
  }

  /**
   * {@inheritdoc}
   */
  protected function doGetStats() {
    $stats = $this->memcached
      ->getStats();
    $servers = $this->memcached
      ->getServerList();
    $key = $servers[0]['host'] . ':' . $servers[0]['port'];
    $stats = $stats[$key];
    return array(
      Cache::STATS_HITS => $stats['get_hits'],
      Cache::STATS_MISSES => $stats['get_misses'],
      Cache::STATS_UPTIME => $stats['uptime'],
      Cache::STATS_MEMORY_USAGE => $stats['bytes'],
      Cache::STATS_MEMORY_AVAILIABLE => $stats['limit_maxbytes'],
    );
  }

}

Members

Namesort descending Modifiers Type Description Overrides
Cache::STATS_HITS constant
Cache::STATS_MEMORY_AVAILIABLE constant
Cache::STATS_MEMORY_USAGE constant
Cache::STATS_MISSES constant
Cache::STATS_UPTIME constant
CacheProvider::$namespace private property
CacheProvider::$namespaceVersion private property
CacheProvider::contains public function Test if an entry exists in the cache. Overrides Cache::contains
CacheProvider::delete public function Deletes a cache entry. Overrides Cache::delete
CacheProvider::deleteAll public function Delete all cache entries.
CacheProvider::DOCTRINE_NAMESPACE_CACHEKEY constant
CacheProvider::fetch public function Fetches an entry from the cache. Overrides Cache::fetch
CacheProvider::flushAll public function Deletes all cache entries.
CacheProvider::getNamespace public function Retrieve the namespace that prefixes all cache ids.
CacheProvider::getNamespaceCacheKey private function Namespace cache key
CacheProvider::getNamespacedId private function Prefix the passed id with the configured namespace value
CacheProvider::getNamespaceVersion private function Namespace version
CacheProvider::getStats public function Retrieves cached information from data store Overrides Cache::getStats
CacheProvider::save public function Puts data into the cache. Overrides Cache::save
CacheProvider::setNamespace public function Set the namespace to prefix all cache ids with.
MemcachedCache::$memcached private property
MemcachedCache::doContains protected function Test if an entry exists in the cache. Overrides CacheProvider::doContains
MemcachedCache::doDelete protected function Deletes a cache entry. Overrides CacheProvider::doDelete
MemcachedCache::doFetch protected function Fetches an entry from the cache. Overrides CacheProvider::doFetch
MemcachedCache::doFlush protected function Deletes all cache entries. Overrides CacheProvider::doFlush
MemcachedCache::doGetStats protected function Retrieves cached information from data store Overrides CacheProvider::doGetStats
MemcachedCache::doSave protected function Puts data into the cache. Overrides CacheProvider::doSave
MemcachedCache::getMemcached public function Gets the memcached instance used by the cache.
MemcachedCache::setMemcached public function Sets the memcache instance to use.