Bug 7407 - Add request leadership functionality to shards

[controller.git] / opendaylight / md-sal / sal-akka-raft / src / main / java / org / opendaylight / controller / cluster / raft / behaviors / Leader.java

diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/Leader.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/Leader.java
index f5f3f51819be30fdeefb020ebf20100fa7c6cf29..eb49abc17aea4a0ebefacde0a5925312082e1405 100644 (file)
--- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/Leader.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/Leader.java
@@ -10,6 +10,7 @@ package org.opendaylight.controller.cluster.raft.behaviors;
 import akka.actor.ActorRef;
 import akka.actor.ActorSelection;
 import com.google.common.annotations.VisibleForTesting;
+import com.google.common.base.Optional;
 import com.google.common.base.Preconditions;
 import com.google.common.base.Stopwatch;
 import java.util.concurrent.TimeUnit;
@@ -134,6 +135,13 @@ public class Leader extends AbstractLeader {
             return;
         }
 
+        final Optional<String> requestedFollowerIdOptional
+                = leadershipTransferContext.transferCohort.getRequestedFollowerId();
+        if (requestedFollowerIdOptional.isPresent() && !requestedFollowerIdOptional.get().equals(followerId)) {
+            // we want to transfer leadership to specific follower
+            return;
+        }
+
         FollowerLogInformation followerInfo = getFollower(followerId);
         if (followerInfo == null) {
             return;