Bug 5450: Query akka cluster state on Follower ElectionTimeout

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

diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/RaftActorContext.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/RaftActorContext.java
index b20e9daa945cee3e14cb0181be72317808b8afc0..ba6645f2407c55afdbbdae8cffd524dfbcc466a7 100644 (file)
--- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/RaftActorContext.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/RaftActorContext.java
@@ -12,11 +12,15 @@ import akka.actor.ActorRef;
 import akka.actor.ActorSelection;
 import akka.actor.ActorSystem;
 import akka.actor.Props;
+import akka.cluster.Cluster;
 import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.Supplier;
 import java.util.Collection;
+import java.util.Optional;
+import java.util.function.LongSupplier;
 import javax.annotation.Nullable;
 import org.opendaylight.controller.cluster.DataPersistenceProvider;
+import org.opendaylight.controller.cluster.raft.behaviors.RaftActorBehavior;
+import org.opendaylight.controller.cluster.raft.persisted.ServerConfigurationPayload;
 import org.opendaylight.controller.cluster.raft.policy.RaftPolicy;
 import org.slf4j.Logger;
 
@@ -55,6 +59,13 @@ public interface RaftActorContext {
      */
     ActorRef getActor();
 
+    /**
+     * The akka Cluster singleton for the actor system if one is configured.
+     *
+     * @return an Optional containing the CLuster instance is present.
+     */
+    Optional<Cluster> getCluster();
+
     /**
      * @return the ElectionTerm information
      */
@@ -207,7 +218,7 @@ public interface RaftActorContext {
      * @param retriever a supplier of the total memory metric
      */
     @VisibleForTesting
-    void setTotalMemoryRetriever(Supplier<Long> retriever);
+    void setTotalMemoryRetriever(LongSupplier retriever);
 
     /**
      *
@@ -235,5 +246,20 @@ public interface RaftActorContext {
      * @return the RaftActor's peer information as a ServerConfigurationPayload if the
      * dynamic server configurations are available, otherwise returns null
      */
-    @Nullable ServerConfigurationPayload getPeerServerInfo();
+    @Nullable ServerConfigurationPayload getPeerServerInfo(boolean includeSelf);
+
+    /**
+     * @return true if this RaftActor is a voting member of the cluster, false otherwise.
+     */
+    boolean isVotingMember();
+
+    /**
+     * @return true if there are any voting peers, false otherwise.
+     */
+    boolean anyVotingPeers();
+
+    /**
+     * @return current behavior attached to the raft actor.
+     */
+    RaftActorBehavior getCurrentBehavior();
 }