split out memcache factory from base class

1 files changed, 38 insertions, 0 deletions

diff --git a/lib/memcache/factory.php b/lib/memcache/factory.php
new file mode 100644
index 00000000000..1926582aa5c
--- /dev/null
+++ b/lib/memcache/factory.php
@@ -0,0 +1,38 @@
+<?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 bool $global
+	 * @return \OC\Memcache\Cache
+	 */
+	function create($global = false) {
+		if (XCache::isAvailable()) {
+			return new XCache($global);
+		} elseif (APC::isAvailable()) {
+			return new APC($global);
+		} elseif (Memcached::isAvailable()) {
+			return new Memcached($global);
+		} else {
+			return null;
+		}
+	}
+
+	/**
+	 * check if there is a memcache backend available
+	 *
+	 * @return bool
+	 */
+	public function isAvailable() {
+		return XCache::isAvailable() || APC::isAvailable() || Memcached::isAvailable();
+	}
+}