Bug-2397:Provide a mechanism for stakeholders to get notifications on Raft state...

[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
new file mode 100644 (file)
index 0000000..de2733f
--- /dev/null
+++ b/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/notifications/RoleChangeNotification.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+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
+ */
+public class RoleChangeNotification implements Serializable {
+    private String memberId;
+    private String oldRole;
+    private String newRole;
+
+    public RoleChangeNotification(String memberId, String oldRole, String newRole) {
+        this.memberId = memberId;
+        this.oldRole = oldRole;
+        this.newRole = newRole;
+    }
+
+    public String getMemberId() {
+        return memberId;
+    }
+
+    public String getOldRole() {
+        return oldRole;
+    }
+
+    public String getNewRole() {
+        return newRole;
+    }
+}