X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2FLeaderLocalDelegateFactory.java;h=af57577c4d37bc08eb5ebd7df92bdd2df2663b31;hp=d33cebbebc2f7680dff2097f8b3ab3745f861c26;hb=3402cfce32b05957219e54754dd7ca5b0a54cd0e;hpb=59e84273be97b1115fb3fb0f06364b7491a40385

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/LeaderLocalDelegateFactory.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/LeaderLocalDelegateFactory.java
index d33cebbebc..af57577c4d 100644
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/LeaderLocalDelegateFactory.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/LeaderLocalDelegateFactory.java
@@ -7,24 +7,25 @@
  */
 package org.opendaylight.controller.cluster.datastore;
 
+import static java.util.Objects.requireNonNull;
+
 import akka.actor.ActorPath;
 import akka.actor.ActorRef;
 import akka.actor.ActorSelection;
 import akka.actor.Props;
-import com.google.common.base.Preconditions;
 
 /**
  * Base class for factories instantiating delegates which are local to the
  * shard leader.
  *
- * <D> delegate type
- * <M> message type
+ * @param <D> delegate type
+ * @param <M> message type
  */
-abstract class LeaderLocalDelegateFactory<M, D> extends DelegateFactory<M, D> {
+abstract class LeaderLocalDelegateFactory<M> {
     private final Shard shard;
 
     protected LeaderLocalDelegateFactory(final Shard shard) {
-        this.shard = Preconditions.checkNotNull(shard);
+        this.shard = requireNonNull(shard);
     }
 
     protected final ActorRef getSelf() {
@@ -47,20 +48,21 @@ abstract class LeaderLocalDelegateFactory<M, D> extends DelegateFactory<M, D> {
         return shard.getContext().actorOf(props);
     }
 
-    protected final ActorSelection selectActor(ActorRef ref) {
+    protected final ActorSelection selectActor(final ActorRef ref) {
         return shard.getContext().system().actorSelection(ref.path());
     }
 
-    protected final ActorSelection selectActor(ActorPath path) {
+    protected final ActorSelection selectActor(final ActorPath path) {
         return shard.getContext().system().actorSelection(path);
     }
 
     /**
      * Invoked whenever the local shard's leadership role changes.
      *
-     * @param isLeader true if the shard has become leader, false if it has
-     *                 become a follower.
+     * @param isLeader true if the shard has become leader, false if it has become a follower.
+     * @param hasLeader true if the shard knows about leader ID
      */
-    abstract void onLeadershipChange(boolean isLeader);
-    abstract void onMessage(M message, boolean isLeader);
+    abstract void onLeadershipChange(boolean isLeader, boolean hasLeader);
+
+    abstract void onMessage(M message, boolean isLeader, boolean hasLeader);
 }