From eab70fb1349a310d95e8caca985ed9406017985c Mon Sep 17 00:00:00 2001
From: Daniele Alessandri <suppakilla@gmail.com>
Date: Mon, 17 May 2010 19:42:08 +0200
Subject: [PATCH] Implement the new EmptyRingException exception class.

---
 lib/Predis.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/Predis.php b/lib/Predis.php
index 00793c44..8ea222e5 100644
--- a/lib/Predis.php
+++ b/lib/Predis.php
@@ -1543,6 +1543,8 @@ class Shared {
     }
 }
 
+class EmptyRingException extends \Exception { }
+
 class HashRing implements \Predis\IDistributionAlgorithm {
     const DEFAULT_REPLICAS = 128;
     const DEFAULT_WEIGHT   = 100;
@@ -1598,7 +1600,7 @@ class HashRing implements \Predis\IDistributionAlgorithm {
             return;
         }
         if (count($this->_nodes) === 0) {
-            throw new \LogicException('Cannot initialize empty hashring');
+            throw new \EmptyRingException('Cannot initialize empty hashring');
         }
 
         $this->_ring = array();