1 files changed, 63 insertions, 0 deletions
diff --git a/lib/private/cache/broker.php b/lib/private/cache/broker.php
new file mode 100644
index 00000000000..9b7e837e1bc
--- /dev/null
+++ b/lib/private/cache/broker.php
@@ -0,0 +1,63 @@
+<?php
+/**
+ * Copyright (c) 2012 Bart Visscher <bartv@thisnet.nl>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace OC\Cache;
+
+class Broker {
+
+	/**
+	 * @var \OC\Cache
+	 */
+	protected $fast_cache;
+
+	/**
+	 * @var \OC\Cache
+	 */
+	protected $slow_cache;
+
+	public function __construct($fast_cache, $slow_cache) {
+		$this->fast_cache = $fast_cache;
+		$this->slow_cache = $slow_cache;
+	}
+
+	public function get($key) {
+		if ($r = $this->fast_cache->get($key)) {
+			return $r;
+		}
+		return $this->slow_cache->get($key);
+	}
+
+	public function set($key, $value, $ttl=0) {
+		if (!$this->fast_cache->set($key, $value, $ttl)) {
+			if ($this->fast_cache->hasKey($key)) {
+				$this->fast_cache->remove($key);
+			}
+			return $this->slow_cache->set($key, $value, $ttl);
+		}
+		return true;
+	}
+
+	public function hasKey($key) {
+		if ($this->fast_cache->hasKey($key)) {
+			return true;
+		}
+		return $this->slow_cache->hasKey($key);
+	}
+
+	public function remove($key) {
+		if ($this->fast_cache->remove($key)) {
+			return true;
+		}
+		return $this->slow_cache->remove($key);
+	}
+
+	public function clear($prefix='') {
+		$this->fast_cache->clear($prefix);
+		$this->slow_cache->clear($prefix);
+	}
+}