2 * Copyright (c) 2022 PANTHEON.tech, s.r.o. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.controller.eos.akka.owner.supervisor;
10 import akka.actor.typed.ActorRef;
11 import akka.actor.typed.Behavior;
12 import akka.actor.typed.javadsl.AbstractBehavior;
13 import akka.actor.typed.javadsl.ActorContext;
14 import akka.cluster.ddata.ORMap;
15 import akka.cluster.ddata.ORSet;
16 import akka.cluster.ddata.typed.javadsl.DistributedData;
17 import akka.cluster.ddata.typed.javadsl.Replicator;
18 import akka.cluster.ddata.typed.javadsl.ReplicatorMessageAdapter;
19 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
20 import java.time.Duration;
21 import org.opendaylight.controller.eos.akka.owner.supervisor.command.ClearCandidates;
22 import org.opendaylight.controller.eos.akka.owner.supervisor.command.ClearCandidatesForMember;
23 import org.opendaylight.controller.eos.akka.owner.supervisor.command.ClearCandidatesResponse;
24 import org.opendaylight.controller.eos.akka.owner.supervisor.command.OwnerSupervisorCommand;
25 import org.opendaylight.controller.eos.akka.registry.candidate.CandidateRegistry;
26 import org.opendaylight.mdsal.eos.dom.api.DOMEntity;
27 import org.slf4j.Logger;
29 abstract class AbstractSupervisor extends AbstractBehavior<OwnerSupervisorCommand> {
31 final ReplicatorMessageAdapter<OwnerSupervisorCommand, ORMap<DOMEntity, ORSet<String>>> candidateReplicator;
33 @SuppressFBWarnings(value = "MC_OVERRIDABLE_METHOD_CALL_IN_CONSTRUCTOR",
34 justification = "getContext() is non-final")
35 AbstractSupervisor(final ActorContext<OwnerSupervisorCommand> context) {
38 final ActorRef<Replicator.Command> replicator = DistributedData.get(getContext().getSystem()).replicator();
39 candidateReplicator = new ReplicatorMessageAdapter<>(getContext(), replicator, Duration.ofSeconds(5));
42 Behavior<OwnerSupervisorCommand> onClearCandidatesForMember(final ClearCandidatesForMember command) {
43 getLogger().debug("Clearing candidates for member: {}", command.getCandidate());
45 candidateReplicator.askGet(
46 askReplyTo -> new Replicator.Get<>(CandidateRegistry.KEY,
47 new Replicator.ReadMajority(Duration.ofSeconds(15)), askReplyTo),
48 response -> new ClearCandidates(response, command));
53 Behavior<OwnerSupervisorCommand> finishClearCandidates(final ClearCandidates command) {
54 if (command.getResponse() instanceof Replicator.GetSuccess) {
55 getLogger().debug("Retrieved candidate data, clearing candidates for {}",
56 command.getOriginalMessage().getCandidate());
58 getContext().spawnAnonymous(CandidateCleaner.create()).tell(command);
60 getLogger().debug("Unable to retrieve candidate data for {}, no candidates present sending empty reply",
61 command.getOriginalMessage().getCandidate());
62 command.getOriginalMessage().getReplyTo().tell(new ClearCandidatesResponse());
68 abstract Logger getLogger();