From fc781c891a0da3e8976e94b13fd6b9e56ab56fb3 Mon Sep 17 00:00:00 2001
From: Trismegiste <florent.g@allopneus.com>
Date: Sun, 12 May 2013 20:09:13 +0200
Subject: [PATCH] comments to explain where the problem is

---
 ChainOfResponsibilities/ChainOfResponsibilities.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ChainOfResponsibilities/ChainOfResponsibilities.php b/ChainOfResponsibilities/ChainOfResponsibilities.php
index 82ba06e..5b2686d 100644
--- a/ChainOfResponsibilities/ChainOfResponsibilities.php
+++ b/ChainOfResponsibilities/ChainOfResponsibilities.php
@@ -10,6 +10,8 @@ namespace DesignPatterns;
  * in the chain and so forth
  *
  * Examples:
+ * - logging framework
+ * - spam filter
  * - Caching: first object is an instance of e.g. a Memcached Interface, if that "misses" it delegates the call to the
  *   Database Interface
  * - Yii Framework: CFilterChain is a chain of controller action filters. the executing point is passed from one filter
@@ -17,6 +19,8 @@ namespace DesignPatterns;
  *
  */
 
+// the idea is good but in general, the Handler component in this pattern 
+// is an abstract class which makes much more of the work
 interface KeyValueStorage
 {
     public function get($key);