Fix NPE in YangTextSchemaSourceSerializationProxy#getRepresentation

[controller.git] / opendaylight / md-sal / sal-clustering-commons / src / main / java / org / opendaylight / controller / cluster / notifications / RoleChangeNotification.java

diff --git a/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/notifications/RoleChangeNotification.java b/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/notifications/RoleChangeNotification.java
index de2733fc86de37eec8c3207dfe1b8d0d1c408f28..370ce1f3bbf00d9731207b28a77e36981bf03450 100644 (file)
--- a/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/notifications/RoleChangeNotification.java
+++ b/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/notifications/RoleChangeNotification.java
@@ -11,16 +11,15 @@ package org.opendaylight.controller.cluster.notifications;
 import java.io.Serializable;
 
 /**
- * Notification message representing a Role change of a cluster member
- *
- * Roles generally are Leader, Follower and Candidate. But can be based on the consensus strategy/implementation
- *
- * The Listener could be in a separate ActorSystem and hence this message needs to be Serializable
+ * Notification message representing a Role change of a cluster member.
+ * Roles generally are Leader, Follower and Candidate. But can be based on the consensus strategy/implementation.
+ * The Listener could be in a separate ActorSystem and hence this message needs to be Serializable.
  */
 public class RoleChangeNotification implements Serializable {
-    private String memberId;
-    private String oldRole;
-    private String newRole;
+    private static final long serialVersionUID = -2873869509490117116L;
+    private final String memberId;
+    private final String oldRole;
+    private final String newRole;
 
     public RoleChangeNotification(String memberId, String oldRole, String newRole) {
         this.memberId = memberId;