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class PredisCache in Plug 7

Predis cache provider.

@author othillo <othillo@othillo.nl>

Hierarchy

Expanded class hierarchy of PredisCache

1 file declares its use of PredisCache
PredisCacheTest.php in lib/doctrine/cache/tests/Doctrine/Tests/Common/Cache/PredisCacheTest.php

File

lib/doctrine/cache/lib/Doctrine/Common/Cache/PredisCache.php, line 12

Namespace

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

  /**
   * @var Client
   */
  private $client;

  /**
   * @param Client $client
   *
   * @return void
   */
  public function __construct(Client $client) {
    $this->client = $client;
  }

  /**
   * {@inheritdoc}
   */
  protected function doFetch($id) {
    $result = $this->client
      ->get($id);
    if (null === $result) {
      return false;
    }
    return $result;
  }

  /**
   * {@inheritdoc}
   */
  protected function doFetchMultiple(array $keys) {
    $fetchedItems = call_user_func_array(array(
      $this->client,
      'mget',
    ), $keys);
    return array_filter(array_combine($keys, $fetchedItems));
  }

  /**
   * {@inheritdoc}
   */
  protected function doContains($id) {
    return $this->client
      ->exists($id);
  }

  /**
   * {@inheritdoc}
   */
  protected function doSave($id, $data, $lifeTime = 0) {
    if ($lifeTime > 0) {
      $response = $this->client
        ->setex($id, $lifeTime, $data);
    }
    else {
      $response = $this->client
        ->set($id, $data);
    }
    return $response === true || $response == 'OK';
  }

  /**
   * {@inheritdoc}
   */
  protected function doDelete($id) {
    return $this->client
      ->del($id) > 0;
  }

  /**
   * {@inheritdoc}
   */
  protected function doFlush() {
    $response = $this->client
      ->flushdb();
    return $response === true || $response == 'OK';
  }

  /**
   * {@inheritdoc}
   */
  protected function doGetStats() {
    $info = $this->client
      ->info();
    return array(
      Cache::STATS_HITS => false,
      Cache::STATS_MISSES => false,
      Cache::STATS_UPTIME => $info['Server']['uptime_in_seconds'],
      Cache::STATS_MEMORY_USAGE => $info['Memory']['used_memory'],
      Cache::STATS_MEMORY_AVAILABLE => false,
    );
  }

}

Members

Namesort descending Modifiers Type Description Overrides
Cache::STATS_HITS constant
Cache::STATS_MEMORY_AVAILABLE constant
Cache::STATS_MEMORY_AVAILIABLE constant Only for backward compatibility (may be removed in next major release)
Cache::STATS_MEMORY_USAGE constant
Cache::STATS_MISSES constant
Cache::STATS_UPTIME constant
CacheProvider::$namespace private property The namespace to prefix all cache ids with.
CacheProvider::$namespaceVersion private property The namespace version.
CacheProvider::contains public function Tests 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 Deletes all cache entries. Overrides ClearableCache::deleteAll
CacheProvider::DOCTRINE_NAMESPACE_CACHEKEY constant
CacheProvider::fetch public function Fetches an entry from the cache. Overrides Cache::fetch
CacheProvider::fetchMultiple public function Returns an associative array of values for keys is found in cache. Overrides MultiGetCache::fetchMultiple
CacheProvider::flushAll public function Flushes all cache entries. Overrides FlushableCache::flushAll
CacheProvider::getNamespace public function Retrieves the namespace that prefixes all cache ids.
CacheProvider::getNamespaceCacheKey private function Returns the namespace cache key.
CacheProvider::getNamespacedId private function Prefixes the passed id with the configured namespace value.
CacheProvider::getNamespaceVersion private function Returns the namespace version.
CacheProvider::getStats public function Retrieves cached information from the data store. Overrides Cache::getStats
CacheProvider::save public function Puts data into the cache. Overrides Cache::save
CacheProvider::setNamespace public function Sets the namespace to prefix all cache ids with. 1
PredisCache::$client private property
PredisCache::doContains protected function Tests if an entry exists in the cache. Overrides CacheProvider::doContains
PredisCache::doDelete protected function Deletes a cache entry. Overrides CacheProvider::doDelete
PredisCache::doFetch protected function Fetches an entry from the cache. Overrides CacheProvider::doFetch
PredisCache::doFetchMultiple protected function Default implementation of doFetchMultiple. Each driver that supports multi-get should owerwrite it. Overrides CacheProvider::doFetchMultiple
PredisCache::doFlush protected function Flushes all cache entries. Overrides CacheProvider::doFlush
PredisCache::doGetStats protected function Retrieves cached information from the data store. Overrides CacheProvider::doGetStats
PredisCache::doSave protected function Puts data into the cache. Overrides CacheProvider::doSave
PredisCache::__construct public function