Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

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

@@ -0,0 +1,121 @@
+<?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 <michael@nitschinger.at>
+ */
+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'],
+        );
+    }
+}