1 files changed, 69 insertions, 0 deletions
diff --git a/lib/private/memcache/factory.php b/lib/private/memcache/factory.php
new file mode 100644
index 00000000000..fde7d947567
--- /dev/null
+++ b/lib/private/memcache/factory.php
@@ -0,0 +1,69 @@
+<?php
+/**
+ * Copyright (c) 2013 Robin Appelman <icewind@owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace OC\Memcache;
+
+class Factory {
+	/**
+	 * get a cache instance, will return null if no backend is available
+	 *
+	 * @param string $prefix
+	 * @return \OC\Memcache\Cache
+	 */
+	function create($prefix = '') {
+		if (XCache::isAvailable()) {
+			return new XCache($prefix);
+		} elseif (APCu::isAvailable()) {
+			return new APCu($prefix);
+		} elseif (APC::isAvailable()) {
+			return new APC($prefix);
+		} elseif (Memcached::isAvailable()) {
+			return new Memcached($prefix);
+		} else {
+			return null;
+		}
+	}
+
+	/**
+	 * check if there is a memcache backend available
+	 *
+	 * @return bool
+	 */
+	public function isAvailable() {
+		return XCache::isAvailable() || APCu::isAvailable() || APC::isAvailable() || Memcached::isAvailable();
+	}
+
+	/**
+	 * get a in-server cache instance, will return null if no backend is available
+	 *
+	 * @param string $prefix
+	 * @return \OC\Memcache\Cache
+	 */
+	public static function createLowLatency($prefix = '') {
+		if (XCache::isAvailable()) {
+			return new XCache($prefix);
+		} elseif (APCu::isAvailable()) {
+			return new APCu($prefix);
+		} elseif (APC::isAvailable()) {
+			return new APC($prefix);
+		} else {
+			return null;
+		}
+	}
+
+	/**
+	 * check if there is a in-server backend available
+	 *
+	 * @return bool
+	 */
+	public static function isAvailableLowLatency() {
+		return XCache::isAvailable() || APCu::isAvailable() || APC::isAvailable();
+	}
+
+
+}