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- <?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 Redis;
- /**
- * Redis cache provider.
- *
- * @link www.doctrine-project.org
- * @since 2.2
- * @author Osman Ungur <osmanungur@gmail.com>
- */
- class RedisCache extends CacheProvider
- {
- /**
- * @var Redis|null
- */
- private $redis;
- /**
- * Sets the redis instance to use.
- *
- * @param Redis $redis
- *
- * @return void
- */
- public function setRedis(Redis $redis)
- {
- $redis->setOption(Redis::OPT_SERIALIZER, $this->getSerializerValue());
- $this->redis = $redis;
- }
- /**
- * Gets the redis instance used by the cache.
- *
- * @return Redis|null
- */
- 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, $lifeTime = 0)
- {
- if ($lifeTime > 0) {
- return $this->redis->setex($id, $lifeTime, $data);
- }
- return $this->redis->set($id, $data);
- }
- /**
- * {@inheritdoc}
- */
- protected function doDelete($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_AVAILABLE => false
- );
- }
- /**
- * Returns the serializer constant to use. If Redis is compiled with
- * igbinary support, that is used. Otherwise the default PHP serializer is
- * used.
- *
- * @return integer One of the Redis::SERIALIZER_* constants
- */
- protected function getSerializerValue()
- {
- return defined('Redis::SERIALIZER_IGBINARY') ? Redis::SERIALIZER_IGBINARY : Redis::SERIALIZER_PHP;
- }
- }
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