class RedisCache

RedisCacheTest.php in drupal/core/vendor/doctrine/common/tests/Doctrine/Tests/Common/Cache/RedisCacheTest.php

class RedisCache extends CacheProvider {

  /**
   * @var Redis
   */
  private $redis;

  /**
   * Sets the redis instance to use.
   *
   * @param Redis $redis
   */
  public function setRedis(Redis $redis) {
    $redis
      ->setOption(Redis::OPT_SERIALIZER, Redis::SERIALIZER_IGBINARY);
    $this->redis = $redis;
  }

  /**
   * Gets the redis instance used by the cache.
   *
   * @return Redis
   */
  public function getRedis() {
    return $this->redis;
  }

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

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

  /**
   * {@inheritdoc}
   */
  protected function doSave($id, $data, $lifeTime = 0) {
    $result = $this->redis
      ->set($id, $data);
    if ($lifeTime > 0) {
      $this->redis
        ->expire($id, $lifeTime);
    }
    return $result;
  }

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

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

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

}