--- /dev/null
+<?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.
+ *
+ * @license http://www.opensource.org/licenses/lgpl-license.php LGPL
+ * @link www.doctrine-project.org
+ * @since 2.2
+ * @author Osman Ungur <osmanungur@gmail.com>
+ */
+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
+ );
+ }
+}