CouchbaseCache.php in Plug 7

Namespace

Doctrine\Common\Cache

File

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

<?php

/*
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the MIT license. For more information, see
 * <http://www.doctrine-project.org>.
 */
namespace Doctrine\Common\Cache;

use Couchbase;

/**
 * Couchbase cache provider.
 *
 * @link   www.doctrine-project.org
 * @since  2.4
 * @author Michael Nitschinger <[e-mail]>
 */
class CouchbaseCache extends CacheProvider {

  /**
   * @var Couchbase|null
   */
  private $couchbase;

  /**
   * Sets the Couchbase instance to use.
   *
   * @param Couchbase $couchbase
   *
   * @return void
   */
  public function setCouchbase(Couchbase $couchbase) {
    $this->couchbase = $couchbase;
  }

  /**
   * Gets the Couchbase instance used by the cache.
   *
   * @return Couchbase|null
   */
  public function getCouchbase() {
    return $this->couchbase;
  }

  /**
   * {@inheritdoc}
   */
  protected function doFetch($id) {
    return $this->couchbase
      ->get($id) ?: false;
  }

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

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

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

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

  /**
   * {@inheritdoc}
   */
  protected function doGetStats() {
    $stats = $this->couchbase
      ->getStats();
    $servers = $this->couchbase
      ->getServers();
    $server = explode(":", $servers[0]);
    $key = $server[0] . ":" . "11210";
    $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_AVAILABLE => $stats['limit_maxbytes'],
    );
  }

}

Classes

Name	Description
CouchbaseCache	Couchbase cache provider.