Hide IsolatedLeaderCheck message

[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 924c30f657b927528a81ac9997564418c8ec2fe5..b941cfcc9f5b93374c763a9eeaf207998120dedb 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
@@ -20,7 +20,6 @@ import org.opendaylight.controller.cluster.raft.RaftActorContext;
 import org.opendaylight.controller.cluster.raft.RaftActorLeadershipTransferCohort;
 import org.opendaylight.controller.cluster.raft.RaftState;
 import org.opendaylight.controller.cluster.raft.base.messages.ElectionTimeout;
-import org.opendaylight.controller.cluster.raft.base.messages.IsolatedLeaderCheck;
 import org.opendaylight.controller.cluster.raft.messages.AppendEntriesReply;
 
 /**
@@ -46,7 +45,13 @@ import org.opendaylight.controller.cluster.raft.messages.AppendEntriesReply;
  * set commitIndex = N (§5.3, §5.4).
  */
 public class Leader extends AbstractLeader {
-    private static final IsolatedLeaderCheck ISOLATED_LEADER_CHECK = new IsolatedLeaderCheck();
+    /**
+     * Internal message sent to periodically check if this leader has become isolated and should transition
+     * to {@link IsolatedLeader}.
+     */
+    @VisibleForTesting
+    static final Object ISOLATED_LEADER_CHECK = new Object();
+
     private final Stopwatch isolatedLeaderCheck;
     private @Nullable LeadershipTransferContext leadershipTransferContext;
 
@@ -58,7 +63,7 @@ public class Leader extends AbstractLeader {
     @Override public RaftActorBehavior handleMessage(ActorRef sender, Object originalMessage) {
         Preconditions.checkNotNull(sender, "sender should not be null");
 
-        if (originalMessage instanceof IsolatedLeaderCheck) {
+        if (ISOLATED_LEADER_CHECK.equals(originalMessage)) {
             if (isLeaderIsolated()) {
                 LOG.warn("{}: At least {} followers need to be active, Switching {} from Leader to IsolatedLeader",
                         context.getId(), getMinIsolatedLeaderPeerCount(), leaderId);