From 1537bcf55a86cee4e062e62d4fe6545579cbca1e Mon Sep 17 00:00:00 2001
From: fjy <fangjin@metamarkets.com>
Date: Wed, 22 May 2013 23:53:31 -0700
Subject: [PATCH] restore server selector behaviour

---
 .../com/metamx/druid/client/selector/ServerSelector.java   | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/client/src/main/java/com/metamx/druid/client/selector/ServerSelector.java b/client/src/main/java/com/metamx/druid/client/selector/ServerSelector.java
index 086b117b59a..388761aaaa2 100644
--- a/client/src/main/java/com/metamx/druid/client/selector/ServerSelector.java
+++ b/client/src/main/java/com/metamx/druid/client/selector/ServerSelector.java
@@ -83,7 +83,12 @@ public class ServerSelector
   public QueryableDruidServer pick()
   {
     synchronized (this) {
-      return Collections.min(servers, comparator);
+      final int size = servers.size();
+      switch (size) {
+        case 0: return null;
+        case 1: return servers.iterator().next();
+        default: return Collections.min(servers, comparator);
+      }
     }
   }
 }