--- /dev/null
+<?php defined('SYSPATH') OR die('No direct access allowed.');
+/**
+ * Cache driver interface.
+ *
+ * $Id: Cache.php 4046 2009-03-05 19:23:29Z Shadowhand $
+ *
+ * @package Cache
+ * @author Kohana Team
+ * @copyright (c) 2007-2008 Kohana Team
+ * @license http://kohanaphp.com/license.html
+ */
+interface Cache_Driver {
+
+ /**
+ * Set a cache item.
+ */
+ public function set($id, $data, array $tags = NULL, $lifetime);
+
+ /**
+ * Find all of the cache ids for a given tag.
+ */
+ public function find($tag);
+
+ /**
+ * Get a cache item.
+ * Return NULL if the cache item is not found.
+ */
+ public function get($id);
+
+ /**
+ * Delete cache items by id or tag.
+ */
+ public function delete($id, $tag = FALSE);
+
+ /**
+ * Deletes all expired cache items.
+ */
+ public function delete_expired();
+
+} // End Cache Driver
\ No newline at end of file