PredisCache.php in Plug 7

Namespace

Doctrine\Common\Cache

File

lib/doctrine/cache/lib/Doctrine/Common/Cache/PredisCache.php

<?php

namespace Doctrine\Common\Cache;

use Predis\Client;

/**
 * Predis cache provider.
 *
 * @author othillo <[e-mail]>
 */
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,
    );
  }

}

Classes

Name	Description
PredisCache	Predis cache provider.