Version 1

[yaffs-website] / vendor / doctrine / cache / lib / Doctrine / Common / Cache / ApcuCache.php

diff --git a/vendor/doctrine/cache/lib/Doctrine/Common/Cache/ApcuCache.php b/vendor/doctrine/cache/lib/Doctrine/Common/Cache/ApcuCache.php
new file mode 100644 (file)
index 0000000..2a91752
--- /dev/null
+++ b/vendor/doctrine/cache/lib/Doctrine/Common/Cache/ApcuCache.php
@@ -0,0 +1,106 @@
+<?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;
+
+/**
+ * APCu cache provider.
+ *
+ * @link   www.doctrine-project.org
+ * @since  1.6
+ * @author Kévin Dunglas <dunglas@gmail.com>
+ */
+class ApcuCache extends CacheProvider
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function doFetch($id)
+    {
+        return apcu_fetch($id);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doContains($id)
+    {
+        return apcu_exists($id);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doSave($id, $data, $lifeTime = 0)
+    {
+        return apcu_store($id, $data, $lifeTime);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doDelete($id)
+    {
+        // apcu_delete returns false if the id does not exist
+        return apcu_delete($id) || ! apcu_exists($id);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doFlush()
+    {
+        return apcu_clear_cache();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doFetchMultiple(array $keys)
+    {
+        return apcu_fetch($keys) ?: [];
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doSaveMultiple(array $keysAndValues, $lifetime = 0)
+    {
+        $result = apcu_store($keysAndValues, null, $lifetime);
+
+        return empty($result);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function doGetStats()
+    {
+        $info = apcu_cache_info(true);
+        $sma  = apcu_sma_info();
+
+        return array(
+            Cache::STATS_HITS             => $info['num_hits'],
+            Cache::STATS_MISSES           => $info['num_misses'],
+            Cache::STATS_UPTIME           => $info['start_time'],
+            Cache::STATS_MEMORY_USAGE     => $info['mem_size'],
+            Cache::STATS_MEMORY_AVAILABLE => $sma['avail_mem'],
+        );
+    }
+}