X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-akka-raft%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fraft%2Fbase%2Fmessages%2FSendHeartBeat.java;h=ba1c157d37241f2274c9c7a9ed307f281a282a82;hb=97542f208267cb5392fc8c8d9baf6c1d3ee4ae32;hp=3c8c845f5dbb9aa7cf71c9add1d5ec16753285df;hpb=475d28f717bae92b2cc10b0589131771fcc62242;p=controller.git

diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/base/messages/SendHeartBeat.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/base/messages/SendHeartBeat.java
index 3c8c845f5d..ba1c157d37 100644
--- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/base/messages/SendHeartBeat.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/base/messages/SendHeartBeat.java
@@ -11,10 +11,17 @@ package org.opendaylight.controller.cluster.raft.base.messages;
 import java.io.Serializable;
 
 /**
- * This messages is sent to the Leader to prompt it to send a heartbeat
- * to it's followers.
- *
- * Typically the Leader to itself on a schedule
+ * This messages is sent via a schedule to the Leader to prompt it to send a heart beat to its followers.
  */
-public class SendHeartBeat implements Serializable {
+public final class SendHeartBeat implements Serializable {
+    private static final long serialVersionUID = 1L;
+    public static final SendHeartBeat INSTANCE = new SendHeartBeat();
+
+    private SendHeartBeat() {
+        // Hidden on purpose
+    }
+
+    private Object readResolve() {
+        return INSTANCE;
+    }
 }