From 43d7fa73534c07d10a88ec120c0938d0d00a184e Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@devilix.net>
Date: Thu, 9 Jan 2014 17:29:45 +0200
Subject: Implement atomic increment/decrement in Cache library

Requested via issue #109
Supersedes PR #241
---
 system/libraries/Cache/drivers/Cache_dummy.php | 31 +++++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

(limited to 'system/libraries/Cache/drivers/Cache_dummy.php')

diff --git a/system/libraries/Cache/drivers/Cache_dummy.php b/system/libraries/Cache/drivers/Cache_dummy.php
index d9af3773b..7e2b907a6 100644
--- a/system/libraries/Cache/drivers/Cache_dummy.php
+++ b/system/libraries/Cache/drivers/Cache_dummy.php
@@ -58,9 +58,10 @@ class CI_Cache_dummy extends CI_Driver {
 	 * @param	string	Unique Key
 	 * @param	mixed	Data to store
 	 * @param	int	Length of time (in seconds) to cache the data
+	 * @param	bool	Whether to store the raw value
 	 * @return	bool	TRUE, Simulating success
 	 */
-	public function save($id, $data, $ttl = 60)
+	public function save($id, $data, $ttl = 60, $raw = FALSE)
 	{
 		return TRUE;
 	}
@@ -80,6 +81,34 @@ class CI_Cache_dummy extends CI_Driver {
 
 	// ------------------------------------------------------------------------
 
+	/**
+	 * Increment a raw value
+	 *
+	 * @param	string	$id	Cache ID
+	 * @param	int	$offset	Step/value to add
+	 * @return	mixed	New value on success or FALSE on failure
+	 */
+	public function increment($id, $offset = 1)
+	{
+		return TRUE;
+	}
+
+	// ------------------------------------------------------------------------
+
+	/**
+	 * Decrement a raw value
+	 *
+	 * @param	string	$id	Cache ID
+	 * @param	int	$offset	Step/value to reduce by
+	 * @return	mixed	New value on success or FALSE on failure
+	 */
+	public function decrement($id, $offset = 1)
+	{
+		return TRUE;
+	}
+
+	// ------------------------------------------------------------------------
+
 	/**
 	 * Clean the cache
 	 *
-- 
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