From 880d2d24b9545e95d4bdb491b5b309ce6df7d2d4 Mon Sep 17 00:00:00 2001
From: Daniele Alessandri <suppakilla@gmail.com>
Date: Sun, 24 Apr 2011 11:04:57 +0200
Subject: [PATCH] Add the ability to get a connection out of a cluster using a
 key.

---
 lib/Predis/Network/ConnectionCluster.php | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/Predis/Network/ConnectionCluster.php b/lib/Predis/Network/ConnectionCluster.php
index 91167632..d4d5d831 100644
--- a/lib/Predis/Network/ConnectionCluster.php
+++ b/lib/Predis/Network/ConnectionCluster.php
@@ -2,6 +2,7 @@
 
 namespace Predis\Network;
 
+use Predis\Helpers;
 use Predis\ClientException;
 use Predis\Commands\ICommand;
 use Predis\Distribution\IDistributionStrategy;
@@ -61,6 +62,12 @@ class ConnectionCluster implements IConnectionCluster, \IteratorAggregate {
         return isset($this->_pool[$alias]) ? $this->_pool[$alias] : null;
     }
 
+    public function getConnectionByKey($key) {
+        $hashablePart = Helpers::getKeyHashablePart($key);
+        $keyHash = $this->_distributor->generateKey($hashablePart);
+        return $this->_distributor->get($keyHash);
+    }
+
     public function getIterator() {
         return new \ArrayIterator($this->_pool);
     }