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%2Fclient%2Fmessages%2FFindLeaderReply.java;h=549fe038ed5467ca77d963816d4325bbcee0ad3d;hb=d3790efbca191389411dbb71f1940027f95c2c23;hp=b36ef112b364371d01d9e7f411fdf27761938606;hpb=17d82f582a6bc13c78be3b19954ff8c021180e93;p=controller.git

diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/client/messages/FindLeaderReply.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/client/messages/FindLeaderReply.java
index b36ef112b3..549fe038ed 100644
--- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/client/messages/FindLeaderReply.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/client/messages/FindLeaderReply.java
@@ -8,14 +8,28 @@
 
 package org.opendaylight.controller.cluster.raft.client.messages;
 
-public class FindLeaderReply {
+import com.google.common.annotations.VisibleForTesting;
+import java.io.Serializable;
+import java.util.Optional;
+import javax.annotation.Nullable;
+
+/**
+ * Reply to {@link FindLeader} message, containing the address of the leader actor, as known to the raft actor which
+ * sent the message. If the responding actor does not have knowledge of the leader, {@link #getLeaderActor()} will
+ * return {@link Optional#empty()}.
+ *
+ * This message is intended for testing purposes only.
+ */
+@VisibleForTesting
+public final class FindLeaderReply implements Serializable {
+    private static final long serialVersionUID = 1L;
     private final String leaderActor;
 
-    public FindLeaderReply(String leaderActor) {
+    public FindLeaderReply(@Nullable final String leaderActor) {
         this.leaderActor = leaderActor;
     }
 
-    public String getLeaderActor() {
-        return leaderActor;
+    public Optional<String> getLeaderActor() {
+        return Optional.ofNullable(leaderActor);
     }
 }