X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-akka-raft%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fraft%2Fbehaviors%2FRaftActorBehavior.java;h=bf5116935d108c91ecec947cf7544ecc7f7cd3dc;hp=b766e0ce39fe9be1b847f54c625c802d036a7a0a;hb=f276ae33b951d173b51c467bb7bb1a5f5cf9a1e6;hpb=bead4f9288b0c758ac736ee8945ca01313b177da

diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/RaftActorBehavior.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/RaftActorBehavior.java
index b766e0ce39..bf5116935d 100644
--- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/RaftActorBehavior.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/RaftActorBehavior.java
@@ -9,6 +9,7 @@
 package org.opendaylight.controller.cluster.raft.behaviors;
 
 import akka.actor.ActorRef;
+import javax.annotation.Nullable;
 import org.opendaylight.controller.cluster.raft.RaftState;
 
 /**
@@ -34,20 +35,19 @@ public interface RaftActorBehavior extends AutoCloseable{
      * @param sender The sender of the message
      * @param message A message that needs to be processed
      *
-     * @return The new behavior or current behavior
+     * @return The new behavior or current behavior, or null if the message was not handled.
      */
-    RaftActorBehavior handleMessage(ActorRef sender, Object message);
+    @Nullable RaftActorBehavior handleMessage(ActorRef sender, Object message);
 
     /**
-     * The state associated with a given behavior
      *
-     * @return
+     * @return The state associated with a given behavior
      */
     RaftState state();
 
     /**
      *
-     * @return
+     * @return The Id of the Leader if known else null
      */
     String getLeaderId();
 
@@ -58,8 +58,24 @@ public interface RaftActorBehavior extends AutoCloseable{
     void setReplicatedToAllIndex(long replicatedToAllIndex);
 
     /**
-     * getting the index of the log entry which is replicated to all nodes
-     * @return
+     * @return the index of the log entry which is replicated to all nodes
      */
     long getReplicatedToAllIndex();
+
+    /**
+     * @return the leader's payload data version.
+     */
+    short getLeaderPayloadVersion();
+
+    /**
+     * switchBehavior makes sure that the current behavior is shutdown before it switches to the new
+     * behavior
+     *
+     * @param behavior The new behavior to switch to
+     * @return The new behavior
+     */
+    RaftActorBehavior switchBehavior(RaftActorBehavior behavior);
+
+    @Override
+    void close();
 }