From f3035bf8b767b107ce05f3890b1809b6d676e58e Mon Sep 17 00:00:00 2001
From: Patrik Nordwall <patrik.nordwall@gmail.com>
Date: Wed, 15 Aug 2012 17:28:10 +0200
Subject: [PATCH] sealed ClusterDomainEvent, see #2202

---
 akka-cluster/src/main/scala/akka/cluster/ClusterDaemon.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/akka-cluster/src/main/scala/akka/cluster/ClusterDaemon.scala b/akka-cluster/src/main/scala/akka/cluster/ClusterDaemon.scala
index 1d7a2a7514..2039d8d157 100644
--- a/akka-cluster/src/main/scala/akka/cluster/ClusterDaemon.scala
+++ b/akka-cluster/src/main/scala/akka/cluster/ClusterDaemon.scala
@@ -896,7 +896,7 @@ object ClusterEvent {
   /**
    * Marker interface for cluster domain events.
    */
-  trait ClusterDomainEvent
+  sealed trait ClusterDomainEvent
 
   /**
    * Current snapshot state of the cluster. Sent to new subscriber.