-/*
- * Copyright (c) 2015 Brocade Communications Systems, Inc. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-package org.opendaylight.controller.cluster.entityownership;
-
-import static org.junit.Assert.assertEquals;
-import static org.mockito.AdditionalMatchers.or;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.never;
-import static org.mockito.Mockito.reset;
-import static org.mockito.Mockito.timeout;
-import static org.mockito.Mockito.times;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.verifyNoMoreInteractions;
-import static org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor.clearMessages;
-import static org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor.expectFirstMatching;
-import static org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor.expectMatching;
-
-import akka.actor.ActorRef;
-import akka.actor.PoisonPill;
-import akka.actor.Props;
-import akka.actor.Terminated;
-import akka.dispatch.Dispatchers;
-import akka.testkit.TestActorRef;
-import com.google.common.collect.ImmutableMap;
-import com.google.common.util.concurrent.Uninterruptibles;
-import java.time.Duration;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicLong;
-import java.util.function.Predicate;
-import org.junit.After;
-import org.junit.Test;
-import org.opendaylight.controller.cluster.access.concepts.MemberName;
-import org.opendaylight.controller.cluster.datastore.DatastoreContext;
-import org.opendaylight.controller.cluster.datastore.DatastoreContext.Builder;
-import org.opendaylight.controller.cluster.datastore.ShardTestKit;
-import org.opendaylight.controller.cluster.datastore.identifiers.ShardIdentifier;
-import org.opendaylight.controller.cluster.datastore.messages.BatchedModifications;
-import org.opendaylight.controller.cluster.datastore.messages.PeerAddressResolved;
-import org.opendaylight.controller.cluster.datastore.messages.PeerDown;
-import org.opendaylight.controller.cluster.datastore.messages.PeerUp;
-import org.opendaylight.controller.cluster.datastore.messages.SuccessReply;
-import org.opendaylight.controller.cluster.entityownership.messages.CandidateAdded;
-import org.opendaylight.controller.cluster.entityownership.messages.RegisterCandidateLocal;
-import org.opendaylight.controller.cluster.entityownership.messages.RegisterListenerLocal;
-import org.opendaylight.controller.cluster.entityownership.messages.UnregisterCandidateLocal;
-import org.opendaylight.controller.cluster.entityownership.messages.UnregisterListenerLocal;
-import org.opendaylight.controller.cluster.entityownership.selectionstrategy.EntityOwnerSelectionStrategyConfig;
-import org.opendaylight.controller.cluster.entityownership.selectionstrategy.LastCandidateSelectionStrategy;
-import org.opendaylight.controller.cluster.raft.RaftState;
-import org.opendaylight.controller.cluster.raft.TestActorFactory;
-import org.opendaylight.controller.cluster.raft.base.messages.ElectionTimeout;
-import org.opendaylight.controller.cluster.raft.base.messages.TimeoutNow;
-import org.opendaylight.controller.cluster.raft.messages.AppendEntries;
-import org.opendaylight.controller.cluster.raft.messages.RequestVote;
-import org.opendaylight.controller.cluster.raft.utils.MessageCollectorActor;
-import org.opendaylight.mdsal.eos.dom.api.DOMEntity;
-import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipChange;
-import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipListener;
-import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-
-/**
- * Unit tests for EntityOwnershipShard.
- *
- * @author Thomas Pantelis
- */
-public class EntityOwnershipShardTest extends AbstractEntityOwnershipTest {
- private static final String ENTITY_TYPE = "test type";
- private static final YangInstanceIdentifier ENTITY_ID1 =
- YangInstanceIdentifier.of(QName.create("test", "2015-08-14", "entity1"));
- private static final YangInstanceIdentifier ENTITY_ID2 =
- YangInstanceIdentifier.of(QName.create("test", "2015-08-14", "entity2"));
- private static final YangInstanceIdentifier ENTITY_ID3 =
- YangInstanceIdentifier.of(QName.create("test", "2015-08-14", "entity3"));
- private static final YangInstanceIdentifier ENTITY_ID4 =
- YangInstanceIdentifier.of(QName.create("test", "2015-08-14", "entity4"));
- private static final YangInstanceIdentifier ENTITY_ID5 =
- YangInstanceIdentifier.of(QName.create("test", "2015-08-14", "entity5"));
- private static final String LOCAL_MEMBER_NAME = "local-member-1";
- private static final String PEER_MEMBER_1_NAME = "peer-member-1";
- private static final String PEER_MEMBER_2_NAME = "peer-member-2";
-
- private Builder dataStoreContextBuilder = DatastoreContext.newBuilder().persistent(false);
- private final TestActorFactory actorFactory = new TestActorFactory(getSystem());
-
- @After
- public void tearDown() {
- actorFactory.close();
- }
-
- @Test
- public void testOnRegisterCandidateLocal() {
- testLog.info("testOnRegisterCandidateLocal starting");
-
- ShardTestKit kit = new ShardTestKit(getSystem());
-
- TestActorRef<EntityOwnershipShard> shard = actorFactory.createTestActor(newLocalShardProps());
-
- ShardTestKit.waitUntilLeader(shard);
-
- YangInstanceIdentifier entityId = ENTITY_ID1;
- DOMEntity entity = new DOMEntity(ENTITY_TYPE, entityId);
-
- shard.tell(new RegisterCandidateLocal(entity), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- verifyCommittedEntityCandidate(shard, ENTITY_TYPE, entityId, LOCAL_MEMBER_NAME);
- verifyOwner(shard, ENTITY_TYPE, entityId, LOCAL_MEMBER_NAME);
-
- testLog.info("testOnRegisterCandidateLocal ending");
- }
-
- @Test
- public void testOnRegisterCandidateLocalWithNoInitialLeader() {
- testLog.info("testOnRegisterCandidateLocalWithNoInitialLeader starting");
-
- final ShardTestKit kit = new ShardTestKit(getSystem());
-
- dataStoreContextBuilder.shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(2);
-
- ShardIdentifier leaderId = newShardId(LOCAL_MEMBER_NAME);
- ShardIdentifier peerId = newShardId(PEER_MEMBER_1_NAME);
-
- TestActorRef<TestEntityOwnershipShard> peer = actorFactory.createTestActor(TestEntityOwnershipShard.props(
- newShardBuilder(peerId, peerMap(leaderId.toString()), PEER_MEMBER_1_NAME)), peerId.toString());
- TestEntityOwnershipShard peerShard = peer.underlyingActor();
- peerShard.startDroppingMessagesOfType(RequestVote.class);
- peerShard.startDroppingMessagesOfType(ElectionTimeout.class);
-
- TestActorRef<EntityOwnershipShard> shard = actorFactory.createTestActor(
- newShardProps(leaderId, peerMap(peerId.toString()), LOCAL_MEMBER_NAME), leaderId.toString());
-
- YangInstanceIdentifier entityId = ENTITY_ID1;
- DOMEntity entity = new DOMEntity(ENTITY_TYPE, entityId);
-
- shard.tell(new RegisterCandidateLocal(entity), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- // Now allow RequestVotes to the peer so the shard becomes the leader. This should retry the commit.
- peerShard.stopDroppingMessagesOfType(RequestVote.class);
-
- verifyCommittedEntityCandidate(shard, ENTITY_TYPE, entityId, LOCAL_MEMBER_NAME);
- verifyOwner(shard, ENTITY_TYPE, entityId, LOCAL_MEMBER_NAME);
-
- testLog.info("testOnRegisterCandidateLocalWithNoInitialLeader ending");
- }
-
- @Test
- public void testOnRegisterCandidateLocalWithNoInitialConsensus() {
- testLog.info("testOnRegisterCandidateLocalWithNoInitialConsensus starting");
-
- final ShardTestKit kit = new ShardTestKit(getSystem());
-
- dataStoreContextBuilder.shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(2)
- .shardTransactionCommitTimeoutInSeconds(1);
-
- ShardIdentifier leaderId = newShardId(LOCAL_MEMBER_NAME);
- ShardIdentifier peerId = newShardId(PEER_MEMBER_1_NAME);
-
- TestActorRef<TestEntityOwnershipShard> peer = actorFactory.createTestActor(TestEntityOwnershipShard.props(
- newShardBuilder(peerId, peerMap(leaderId.toString()), PEER_MEMBER_1_NAME)), peerId.toString());
- TestEntityOwnershipShard peerShard = peer.underlyingActor();
- peerShard.startDroppingMessagesOfType(ElectionTimeout.class);
-
- // Drop AppendEntries so consensus isn't reached.
- peerShard.startDroppingMessagesOfType(AppendEntries.class);
-
- TestActorRef<EntityOwnershipShard> leader = actorFactory.createTestActor(
- newShardProps(leaderId, peerMap(peerId.toString()), LOCAL_MEMBER_NAME), leaderId.toString());
-
- ShardTestKit.waitUntilLeader(leader);
-
- YangInstanceIdentifier entityId = ENTITY_ID1;
- DOMEntity entity = new DOMEntity(ENTITY_TYPE, entityId);
-
- leader.tell(new RegisterCandidateLocal(entity), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- // Wait enough time for the commit to timeout.
- Uninterruptibles.sleepUninterruptibly(1, TimeUnit.SECONDS);
-
- // Resume AppendEntries - the follower should ack the commit which should then result in the candidate
- // write being applied to the state.
- peerShard.stopDroppingMessagesOfType(AppendEntries.class);
-
- verifyCommittedEntityCandidate(leader, ENTITY_TYPE, entityId, LOCAL_MEMBER_NAME);
- verifyOwner(leader, ENTITY_TYPE, entityId, LOCAL_MEMBER_NAME);
-
- testLog.info("testOnRegisterCandidateLocalWithNoInitialConsensus ending");
- }
-
- @Test
- public void testOnRegisterCandidateLocalWithIsolatedLeader() throws Exception {
- testLog.info("testOnRegisterCandidateLocalWithIsolatedLeader starting");
-
- final ShardTestKit kit = new ShardTestKit(getSystem());
-
- dataStoreContextBuilder.shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(2)
- .shardIsolatedLeaderCheckIntervalInMillis(50);
-
- ShardIdentifier leaderId = newShardId(LOCAL_MEMBER_NAME);
- ShardIdentifier peerId = newShardId(PEER_MEMBER_1_NAME);
-
- TestActorRef<TestEntityOwnershipShard> peer = actorFactory.createTestActor(TestEntityOwnershipShard.props(
- newShardBuilder(peerId, peerMap(leaderId.toString()), PEER_MEMBER_1_NAME)), peerId.toString());
- TestEntityOwnershipShard peerShard = peer.underlyingActor();
- peerShard.startDroppingMessagesOfType(ElectionTimeout.class);
-
- TestActorRef<EntityOwnershipShard> leader = actorFactory.createTestActor(
- newShardProps(leaderId, peerMap(peerId.toString()), LOCAL_MEMBER_NAME));
-
- ShardTestKit.waitUntilLeader(leader);
-
- // Drop AppendEntries and wait enough time for the shard to switch to IsolatedLeader.
- peerShard.startDroppingMessagesOfType(AppendEntries.class);
- verifyRaftState(leader, state ->
- assertEquals("getRaftState", RaftState.IsolatedLeader.toString(), state.getRaftState()));
-
- YangInstanceIdentifier entityId = ENTITY_ID1;
- DOMEntity entity = new DOMEntity(ENTITY_TYPE, entityId);
-
- leader.tell(new RegisterCandidateLocal(entity), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- // Resume AppendEntries - the candidate write should now be committed.
- peerShard.stopDroppingMessagesOfType(AppendEntries.class);
- verifyCommittedEntityCandidate(leader, ENTITY_TYPE, entityId, LOCAL_MEMBER_NAME);
- verifyOwner(leader, ENTITY_TYPE, entityId, LOCAL_MEMBER_NAME);
-
- testLog.info("testOnRegisterCandidateLocalWithIsolatedLeader ending");
- }
-
- @Test
- public void testOnRegisterCandidateLocalWithRemoteLeader() {
- testLog.info("testOnRegisterCandidateLocalWithRemoteLeader starting");
-
- ShardTestKit kit = new ShardTestKit(getSystem());
-
- dataStoreContextBuilder.shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(2)
- .shardBatchedModificationCount(5);
-
- ShardIdentifier leaderId = newShardId(PEER_MEMBER_1_NAME);
- ShardIdentifier localId = newShardId(LOCAL_MEMBER_NAME);
- TestActorRef<TestEntityOwnershipShard> leader = actorFactory.createTestActor(TestEntityOwnershipShard.props(
- newShardBuilder(leaderId, peerMap(localId.toString()), PEER_MEMBER_1_NAME),
- actorFactory.createActor(MessageCollectorActor.props())), leaderId.toString());
- final TestEntityOwnershipShard leaderShard = leader.underlyingActor();
-
- TestActorRef<TestEntityOwnershipShard> local = actorFactory.createTestActor(TestEntityOwnershipShard.props(
- newShardBuilder(localId, peerMap(leaderId.toString()),LOCAL_MEMBER_NAME)), localId.toString());
- local.underlyingActor().startDroppingMessagesOfType(ElectionTimeout.class);
-
- local.tell(new RegisterCandidateLocal(new DOMEntity(ENTITY_TYPE, ENTITY_ID1)), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME);
- verifyOwner(leader, ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME);
-
- // Test with initial commit timeout and subsequent retry.
-
- local.tell(dataStoreContextBuilder.shardTransactionCommitTimeoutInSeconds(1).build(), ActorRef.noSender());
- leaderShard.startDroppingMessagesOfType(BatchedModifications.class);
-
- local.tell(new RegisterCandidateLocal(new DOMEntity(ENTITY_TYPE, ENTITY_ID2)), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- expectFirstMatching(leaderShard.collectorActor(), BatchedModifications.class);
-
- // Send a bunch of registration messages quickly and verify.
-
- leaderShard.stopDroppingMessagesOfType(BatchedModifications.class);
- clearMessages(leaderShard.collectorActor());
-
- int max = 100;
- List<YangInstanceIdentifier> entityIds = new ArrayList<>();
- for (int i = 1; i <= max; i++) {
- YangInstanceIdentifier id = YangInstanceIdentifier.of(QName.create("test", "2015-08-14", "test" + i));
- entityIds.add(id);
- local.tell(new RegisterCandidateLocal(new DOMEntity(ENTITY_TYPE, id)), kit.getRef());
- }
-
- for (int i = 0; i < max; i++) {
- verifyCommittedEntityCandidate(local, ENTITY_TYPE, entityIds.get(i), LOCAL_MEMBER_NAME);
- }
-
- testLog.info("testOnRegisterCandidateLocalWithRemoteLeader ending");
- }
-
- @Test
- public void testOnUnregisterCandidateLocal() {
- testLog.info("testOnUnregisterCandidateLocal starting");
-
- ShardTestKit kit = new ShardTestKit(getSystem());
- TestActorRef<EntityOwnershipShard> shard = actorFactory.createTestActor(newLocalShardProps());
- ShardTestKit.waitUntilLeader(shard);
-
- DOMEntity entity = new DOMEntity(ENTITY_TYPE, ENTITY_ID1);
-
- // Register
-
- shard.tell(new RegisterCandidateLocal(entity), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- verifyCommittedEntityCandidate(shard, ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME);
- verifyOwner(shard, ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME);
-
- // Unregister
-
- shard.tell(new UnregisterCandidateLocal(entity), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- verifyOwner(shard, ENTITY_TYPE, ENTITY_ID1, "");
-
- // Register again
-
- shard.tell(new RegisterCandidateLocal(entity), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- verifyCommittedEntityCandidate(shard, ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME);
- verifyOwner(shard, ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME);
-
- testLog.info("testOnUnregisterCandidateLocal ending");
- }
-
- @Test
- public void testOwnershipChanges() {
- testLog.info("testOwnershipChanges starting");
-
- final ShardTestKit kit = new ShardTestKit(getSystem());
-
- dataStoreContextBuilder.shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(2);
-
- ShardIdentifier leaderId = newShardId(LOCAL_MEMBER_NAME);
- ShardIdentifier peerId1 = newShardId(PEER_MEMBER_1_NAME);
- ShardIdentifier peerId2 = newShardId(PEER_MEMBER_2_NAME);
-
- TestActorRef<TestEntityOwnershipShard> peer1 = actorFactory.createTestActor(TestEntityOwnershipShard.props(
- newShardBuilder(peerId1, peerMap(leaderId.toString(), peerId2.toString()), PEER_MEMBER_1_NAME)),
- peerId1.toString());
- peer1.underlyingActor().startDroppingMessagesOfType(ElectionTimeout.class);
-
- TestActorRef<TestEntityOwnershipShard> peer2 = actorFactory.createTestActor(TestEntityOwnershipShard.props(
- newShardBuilder(peerId2, peerMap(leaderId.toString(), peerId1.toString()), PEER_MEMBER_2_NAME)),
- peerId2.toString());
- peer2.underlyingActor().startDroppingMessagesOfType(ElectionTimeout.class);
-
- TestActorRef<EntityOwnershipShard> leader = actorFactory.createTestActor(
- newShardProps(leaderId, peerMap(peerId1.toString(), peerId2.toString()), LOCAL_MEMBER_NAME),
- leaderId.toString());
-
- ShardTestKit.waitUntilLeader(leader);
-
- DOMEntity entity = new DOMEntity(ENTITY_TYPE, ENTITY_ID1);
-
- // Add a remote candidate
-
- peer1.tell(new RegisterCandidateLocal(entity), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- verifyCommittedEntityCandidate(leader, entity.getType(), entity.getIdentifier(), PEER_MEMBER_1_NAME);
-
- // Register local
-
- leader.tell(new RegisterCandidateLocal(entity), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- // Verify the remote candidate becomes owner
-
- verifyCommittedEntityCandidate(leader, entity.getType(), entity.getIdentifier(), LOCAL_MEMBER_NAME);
- verifyOwner(leader, entity.getType(), entity.getIdentifier(), PEER_MEMBER_1_NAME);
-
- // Add another remote candidate and verify ownership doesn't change
-
- peer2.tell(new RegisterCandidateLocal(entity), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- verifyCommittedEntityCandidate(leader, entity.getType(), entity.getIdentifier(), PEER_MEMBER_2_NAME);
- Uninterruptibles.sleepUninterruptibly(500, TimeUnit.MILLISECONDS);
- verifyOwner(leader, entity.getType(), entity.getIdentifier(), PEER_MEMBER_1_NAME);
-
- // Remove the second remote candidate and verify ownership doesn't change
-
- peer2.tell(new UnregisterCandidateLocal(entity), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- verifyEntityCandidateRemoved(leader, entity.getType(), entity.getIdentifier(), PEER_MEMBER_2_NAME);
- Uninterruptibles.sleepUninterruptibly(500, TimeUnit.MILLISECONDS);
- verifyOwner(leader, entity.getType(), entity.getIdentifier(), PEER_MEMBER_1_NAME);
-
- // Remove the first remote candidate and verify the local candidate becomes owner
-
- peer1.tell(new UnregisterCandidateLocal(entity), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- verifyEntityCandidateRemoved(leader, entity.getType(), entity.getIdentifier(), PEER_MEMBER_1_NAME);
- verifyOwner(leader, entity.getType(), entity.getIdentifier(), LOCAL_MEMBER_NAME);
-
- // Add the second remote candidate back and verify ownership doesn't change
-
- peer2.tell(new RegisterCandidateLocal(entity), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- verifyCommittedEntityCandidate(leader, entity.getType(), entity.getIdentifier(), PEER_MEMBER_2_NAME);
- Uninterruptibles.sleepUninterruptibly(500, TimeUnit.MILLISECONDS);
- verifyOwner(leader, entity.getType(), entity.getIdentifier(), LOCAL_MEMBER_NAME);
-
- // Unregister the local candidate and verify the second remote candidate becomes owner
-
- leader.tell(new UnregisterCandidateLocal(entity), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- verifyEntityCandidateRemoved(leader, entity.getType(), entity.getIdentifier(), LOCAL_MEMBER_NAME);
- verifyOwner(leader, entity.getType(), entity.getIdentifier(), PEER_MEMBER_2_NAME);
-
- testLog.info("testOwnershipChanges ending");
- }
-
- @Test
- public void testOwnerChangesOnPeerAvailabilityChanges() throws Exception {
- testLog.info("testOwnerChangesOnPeerAvailabilityChanges starting");
-
- final ShardTestKit kit = new ShardTestKit(getSystem());
-
- dataStoreContextBuilder.shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(4)
- .shardIsolatedLeaderCheckIntervalInMillis(100000);
-
- ShardIdentifier leaderId = newShardId(LOCAL_MEMBER_NAME);
- ShardIdentifier peerId1 = newShardId(PEER_MEMBER_1_NAME);
- ShardIdentifier peerId2 = newShardId(PEER_MEMBER_2_NAME);
-
- TestActorRef<TestEntityOwnershipShard> peer1 = actorFactory.createTestActor(TestEntityOwnershipShard.props(
- newShardBuilder(peerId1, peerMap(leaderId.toString(), peerId2.toString()), PEER_MEMBER_1_NAME)),
- peerId1.toString());
- peer1.underlyingActor().startDroppingMessagesOfType(ElectionTimeout.class);
-
- TestActorRef<TestEntityOwnershipShard> peer2 = actorFactory.createTestActor(TestEntityOwnershipShard.props(
- newShardBuilder(peerId2, peerMap(leaderId.toString(), peerId1.toString()), PEER_MEMBER_2_NAME)),
- peerId2.toString());
- peer2.underlyingActor().startDroppingMessagesOfType(ElectionTimeout.class);
-
- TestActorRef<EntityOwnershipShard> leader = actorFactory.createTestActor(
- newShardProps(leaderId, peerMap(peerId1.toString(), peerId2.toString()), LOCAL_MEMBER_NAME),
- leaderId.toString());
-
- verifyRaftState(leader, state ->
- assertEquals("getRaftState", RaftState.Leader.toString(), state.getRaftState()));
-
- // Send PeerDown and PeerUp with no entities
-
- leader.tell(new PeerDown(peerId2.getMemberName(), peerId2.toString()), ActorRef.noSender());
- leader.tell(new PeerUp(peerId2.getMemberName(), peerId2.toString()), ActorRef.noSender());
-
- // Add candidates for entity1 with the local leader as the owner
-
- leader.tell(new RegisterCandidateLocal(new DOMEntity(ENTITY_TYPE, ENTITY_ID1)), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME);
-
- peer2.tell(new RegisterCandidateLocal(new DOMEntity(ENTITY_TYPE, ENTITY_ID1)), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID1, PEER_MEMBER_2_NAME);
-
- peer1.tell(new RegisterCandidateLocal(new DOMEntity(ENTITY_TYPE, ENTITY_ID1)), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID1, PEER_MEMBER_1_NAME);
- verifyOwner(leader, ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME);
-
- // Add candidates for entity2 with peerMember2 as the owner
-
- peer2.tell(new RegisterCandidateLocal(new DOMEntity(ENTITY_TYPE, ENTITY_ID2)), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID2, PEER_MEMBER_2_NAME);
-
- peer1.tell(new RegisterCandidateLocal(new DOMEntity(ENTITY_TYPE, ENTITY_ID2)), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID2, PEER_MEMBER_1_NAME);
- verifyOwner(leader, ENTITY_TYPE, ENTITY_ID2, PEER_MEMBER_2_NAME);
-
- // Add candidates for entity3 with peerMember2 as the owner.
-
- peer2.tell(new RegisterCandidateLocal(new DOMEntity(ENTITY_TYPE, ENTITY_ID3)), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID3, PEER_MEMBER_2_NAME);
-
- leader.tell(new RegisterCandidateLocal(new DOMEntity(ENTITY_TYPE, ENTITY_ID3)), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID3, LOCAL_MEMBER_NAME);
-
- peer1.tell(new RegisterCandidateLocal(new DOMEntity(ENTITY_TYPE, ENTITY_ID3)), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID3, PEER_MEMBER_1_NAME);
- verifyOwner(leader, ENTITY_TYPE, ENTITY_ID3, PEER_MEMBER_2_NAME);
-
- // Add only candidate peerMember2 for entity4.
-
- peer2.tell(new RegisterCandidateLocal(new DOMEntity(ENTITY_TYPE, ENTITY_ID4)), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID4, PEER_MEMBER_2_NAME);
- verifyOwner(leader, ENTITY_TYPE, ENTITY_ID4, PEER_MEMBER_2_NAME);
-
- // Add only candidate peerMember1 for entity5.
-
- peer1.tell(new RegisterCandidateLocal(new DOMEntity(ENTITY_TYPE, ENTITY_ID5)), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID5, PEER_MEMBER_1_NAME);
- verifyOwner(leader, ENTITY_TYPE, ENTITY_ID5, PEER_MEMBER_1_NAME);
-
- // Kill peerMember2 and send PeerDown - the entities (2, 3, 4) owned by peerMember2 should get a new
- // owner selected
-
- kit.watch(peer2);
- peer2.tell(PoisonPill.getInstance(), ActorRef.noSender());
- kit.expectMsgClass(Duration.ofSeconds(5), Terminated.class);
- kit.unwatch(peer2);
-
- leader.tell(new PeerDown(peerId2.getMemberName(), peerId2.toString()), ActorRef.noSender());
- // Send PeerDown again - should be noop
- leader.tell(new PeerDown(peerId2.getMemberName(), peerId2.toString()), ActorRef.noSender());
- peer1.tell(new PeerDown(peerId2.getMemberName(), peerId2.toString()), ActorRef.noSender());
-
- verifyOwner(leader, ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME);
- verifyOwner(leader, ENTITY_TYPE, ENTITY_ID2, PEER_MEMBER_1_NAME);
- verifyOwner(leader, ENTITY_TYPE, ENTITY_ID3, LOCAL_MEMBER_NAME);
- // no other candidates for entity4 so peerMember2 should remain owner.
- verifyOwner(leader, ENTITY_TYPE, ENTITY_ID4, PEER_MEMBER_2_NAME);
-
- verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID1, PEER_MEMBER_2_NAME);
- verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID2, PEER_MEMBER_2_NAME);
- verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID3, PEER_MEMBER_2_NAME);
- verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID4, PEER_MEMBER_2_NAME);
-
- // Reinstate peerMember2
-
- peer2 = actorFactory.createTestActor(TestEntityOwnershipShard.props(
- newShardBuilder(peerId2, peerMap(leaderId.toString(), peerId1.toString()), PEER_MEMBER_2_NAME)),
- peerId2.toString());
- peer2.underlyingActor().startDroppingMessagesOfType(ElectionTimeout.class);
- leader.tell(new PeerUp(peerId2.getMemberName(), peerId2.toString()), ActorRef.noSender());
- // Send PeerUp again - should be noop
- leader.tell(new PeerUp(peerId2.getMemberName(), peerId2.toString()), ActorRef.noSender());
- peer1.tell(new PeerUp(peerId2.getMemberName(), peerId2.toString()), ActorRef.noSender());
-
- // peerMember2's candidates should be removed on startup.
- verifyNoEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID1, PEER_MEMBER_2_NAME);
- verifyNoEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID2, PEER_MEMBER_2_NAME);
- verifyNoEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID3, PEER_MEMBER_2_NAME);
- verifyNoEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID4, PEER_MEMBER_2_NAME);
-
- verifyOwner(leader, ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME);
- verifyOwner(leader, ENTITY_TYPE, ENTITY_ID2, PEER_MEMBER_1_NAME);
- verifyOwner(leader, ENTITY_TYPE, ENTITY_ID3, LOCAL_MEMBER_NAME);
- verifyOwner(leader, ENTITY_TYPE, ENTITY_ID4, "");
-
- // Add back candidate peerMember2 for entities 1, 2, & 3.
-
- peer2.tell(new RegisterCandidateLocal(new DOMEntity(ENTITY_TYPE, ENTITY_ID1)), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- peer2.tell(new RegisterCandidateLocal(new DOMEntity(ENTITY_TYPE, ENTITY_ID2)), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- peer2.tell(new RegisterCandidateLocal(new DOMEntity(ENTITY_TYPE, ENTITY_ID3)), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID1, PEER_MEMBER_2_NAME);
- verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID2, PEER_MEMBER_2_NAME);
- verifyCommittedEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID3, PEER_MEMBER_2_NAME);
- verifyCommittedEntityCandidate(peer2, ENTITY_TYPE, ENTITY_ID1, PEER_MEMBER_2_NAME);
- verifyCommittedEntityCandidate(peer2, ENTITY_TYPE, ENTITY_ID2, PEER_MEMBER_2_NAME);
- verifyCommittedEntityCandidate(peer2, ENTITY_TYPE, ENTITY_ID3, PEER_MEMBER_2_NAME);
- verifyOwner(leader, ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME);
- verifyOwner(leader, ENTITY_TYPE, ENTITY_ID2, PEER_MEMBER_1_NAME);
- verifyOwner(leader, ENTITY_TYPE, ENTITY_ID3, LOCAL_MEMBER_NAME);
- verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME);
- verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID2, PEER_MEMBER_1_NAME);
- verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID3, LOCAL_MEMBER_NAME);
- verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID4, "");
-
- // Kill peerMember1 and send PeerDown - entity 2 should get a new owner selected
-
- kit.watch(peer1);
- peer1.tell(PoisonPill.getInstance(), ActorRef.noSender());
- kit.expectMsgClass(Duration.ofSeconds(5), Terminated.class);
- kit.unwatch(peer1);
- leader.tell(new PeerDown(peerId1.getMemberName(), peerId1.toString()), ActorRef.noSender());
-
- verifyOwner(leader, ENTITY_TYPE, ENTITY_ID2, PEER_MEMBER_2_NAME);
-
- // Verify the reinstated peerMember2 is fully synced.
-
- verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME);
- verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID2, PEER_MEMBER_2_NAME);
- verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID3, LOCAL_MEMBER_NAME);
- verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID4, "");
-
- // Reinstate peerMember1 and verify no owner changes
-
- peer1 = actorFactory.createTestActor(TestEntityOwnershipShard.props(newShardBuilder(
- peerId1, peerMap(leaderId.toString(), peerId2.toString()), PEER_MEMBER_1_NAME)), peerId1.toString());
- peer1.underlyingActor().startDroppingMessagesOfType(ElectionTimeout.class);
- leader.tell(new PeerUp(peerId1.getMemberName(), peerId1.toString()), ActorRef.noSender());
-
- verifyOwner(leader, ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME);
- verifyOwner(leader, ENTITY_TYPE, ENTITY_ID2, PEER_MEMBER_2_NAME);
- verifyOwner(leader, ENTITY_TYPE, ENTITY_ID3, LOCAL_MEMBER_NAME);
- verifyOwner(leader, ENTITY_TYPE, ENTITY_ID4, "");
-
- verifyNoEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID1, PEER_MEMBER_1_NAME);
- verifyNoEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID2, PEER_MEMBER_1_NAME);
- verifyNoEntityCandidate(leader, ENTITY_TYPE, ENTITY_ID3, PEER_MEMBER_1_NAME);
-
- verifyNoEntityCandidate(peer2, ENTITY_TYPE, ENTITY_ID1, PEER_MEMBER_1_NAME);
- verifyNoEntityCandidate(peer2, ENTITY_TYPE, ENTITY_ID2, PEER_MEMBER_1_NAME);
- verifyNoEntityCandidate(peer2, ENTITY_TYPE, ENTITY_ID3, PEER_MEMBER_1_NAME);
-
- // Verify the reinstated peerMember1 is fully synced.
-
- verifyOwner(peer1, ENTITY_TYPE, ENTITY_ID1, LOCAL_MEMBER_NAME);
- verifyOwner(peer1, ENTITY_TYPE, ENTITY_ID2, PEER_MEMBER_2_NAME);
- verifyOwner(peer1, ENTITY_TYPE, ENTITY_ID3, LOCAL_MEMBER_NAME);
- verifyOwner(peer1, ENTITY_TYPE, ENTITY_ID4, "");
-
- AtomicLong leaderLastApplied = new AtomicLong();
- verifyRaftState(leader, rs -> {
- assertEquals("LastApplied up-to-date", rs.getLastApplied(), rs.getLastIndex());
- leaderLastApplied.set(rs.getLastApplied());
- });
-
- verifyRaftState(peer2, rs -> assertEquals("LastApplied", leaderLastApplied.get(), rs.getLastIndex()));
-
- // Kill the local leader and elect peer2 the leader. This should cause a new owner to be selected for
- // the entities (1 and 3) previously owned by the local leader member.
-
- peer2.tell(new PeerAddressResolved(peerId1.toString(), peer1.path().toString()), ActorRef.noSender());
- peer2.tell(new PeerUp(leaderId.getMemberName(), leaderId.toString()), ActorRef.noSender());
- peer2.tell(new PeerUp(peerId1.getMemberName(), peerId1.toString()), ActorRef.noSender());
-
- kit.watch(leader);
- leader.tell(PoisonPill.getInstance(), ActorRef.noSender());
- kit.expectMsgClass(Duration.ofSeconds(5), Terminated.class);
- kit.unwatch(leader);
- peer2.tell(new PeerDown(leaderId.getMemberName(), leaderId.toString()), ActorRef.noSender());
- peer2.tell(TimeoutNow.INSTANCE, peer2);
-
- verifyRaftState(peer2, state ->
- assertEquals("getRaftState", RaftState.Leader.toString(), state.getRaftState()));
-
- verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID1, PEER_MEMBER_2_NAME);
- verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID2, PEER_MEMBER_2_NAME);
- verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID3, PEER_MEMBER_2_NAME);
- verifyOwner(peer2, ENTITY_TYPE, ENTITY_ID4, "");
-
- testLog.info("testOwnerChangesOnPeerAvailabilityChanges ending");
- }
-
- @Test
- public void testLeaderIsolation() throws Exception {
- testLog.info("testLeaderIsolation starting");
-
- final ShardTestKit kit = new ShardTestKit(getSystem());
-
- ShardIdentifier leaderId = newShardId(LOCAL_MEMBER_NAME);
- ShardIdentifier peerId1 = newShardId(PEER_MEMBER_1_NAME);
- ShardIdentifier peerId2 = newShardId(PEER_MEMBER_2_NAME);
-
- dataStoreContextBuilder.shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(4)
- .shardIsolatedLeaderCheckIntervalInMillis(100000);
-
- TestActorRef<TestEntityOwnershipShard> peer1 = actorFactory.createTestActor(TestEntityOwnershipShard.props(
- newShardBuilder(peerId1, peerMap(leaderId.toString(), peerId2.toString()), PEER_MEMBER_1_NAME)),
- peerId1.toString());
- peer1.underlyingActor().startDroppingMessagesOfType(ElectionTimeout.class);
-
- TestActorRef<TestEntityOwnershipShard> peer2 = actorFactory.createTestActor(TestEntityOwnershipShard.props(
- newShardBuilder(peerId2, peerMap(leaderId.toString(), peerId1.toString()), PEER_MEMBER_2_NAME)),
- peerId2.toString());
- peer2.underlyingActor().startDroppingMessagesOfType(ElectionTimeout.class);
-
- dataStoreContextBuilder = DatastoreContext.newBuilderFrom(dataStoreContextBuilder.build())
- .shardIsolatedLeaderCheckIntervalInMillis(500);
-
- TestActorRef<TestEntityOwnershipShard> leader = actorFactory.createTestActor(TestEntityOwnershipShard.props(
- newShardBuilder(leaderId, peerMap(peerId1.toString(), peerId2.toString()), LOCAL_MEMBER_NAME)),
- leaderId.toString());
-
- ShardTestKit.waitUntilLeader(leader);
-
- // Add entity1 candidates for all members with the leader as the owner
-
- DOMEntity entity1 = new DOMEntity(ENTITY_TYPE, ENTITY_ID1);
- leader.tell(new RegisterCandidateLocal(entity1), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verifyCommittedEntityCandidate(leader, entity1.getType(), entity1.getIdentifier(), LOCAL_MEMBER_NAME);
-
- peer1.tell(new RegisterCandidateLocal(entity1), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verifyCommittedEntityCandidate(leader, entity1.getType(), entity1.getIdentifier(), PEER_MEMBER_1_NAME);
-
- peer2.tell(new RegisterCandidateLocal(entity1), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verifyCommittedEntityCandidate(leader, entity1.getType(), entity1.getIdentifier(), PEER_MEMBER_2_NAME);
-
- verifyOwner(leader, entity1.getType(), entity1.getIdentifier(), LOCAL_MEMBER_NAME);
- verifyOwner(peer1, entity1.getType(), entity1.getIdentifier(), LOCAL_MEMBER_NAME);
- verifyOwner(peer2, entity1.getType(), entity1.getIdentifier(), LOCAL_MEMBER_NAME);
-
- // Add entity2 candidates for all members with peer1 as the owner
-
- DOMEntity entity2 = new DOMEntity(ENTITY_TYPE, ENTITY_ID2);
- peer1.tell(new RegisterCandidateLocal(entity2), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verifyCommittedEntityCandidate(leader, entity2.getType(), entity2.getIdentifier(), PEER_MEMBER_1_NAME);
-
- peer2.tell(new RegisterCandidateLocal(entity2), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verifyCommittedEntityCandidate(leader, entity2.getType(), entity2.getIdentifier(), PEER_MEMBER_2_NAME);
-
- leader.tell(new RegisterCandidateLocal(entity2), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verifyCommittedEntityCandidate(leader, entity2.getType(), entity2.getIdentifier(), LOCAL_MEMBER_NAME);
-
- verifyOwner(leader, entity2.getType(), entity2.getIdentifier(), PEER_MEMBER_1_NAME);
- verifyOwner(peer1, entity2.getType(), entity2.getIdentifier(), PEER_MEMBER_1_NAME);
- verifyOwner(peer2, entity2.getType(), entity2.getIdentifier(), PEER_MEMBER_1_NAME);
-
- // Add entity3 candidates for all members with peer2 as the owner
-
- DOMEntity entity3 = new DOMEntity(ENTITY_TYPE, ENTITY_ID3);
- peer2.tell(new RegisterCandidateLocal(entity3), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verifyCommittedEntityCandidate(leader, entity3.getType(), entity3.getIdentifier(), PEER_MEMBER_2_NAME);
-
- leader.tell(new RegisterCandidateLocal(entity3), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verifyCommittedEntityCandidate(leader, entity3.getType(), entity3.getIdentifier(), LOCAL_MEMBER_NAME);
-
- peer1.tell(new RegisterCandidateLocal(entity3), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verifyCommittedEntityCandidate(leader, entity3.getType(), entity3.getIdentifier(), PEER_MEMBER_1_NAME);
-
- verifyOwner(leader, entity3.getType(), entity3.getIdentifier(), PEER_MEMBER_2_NAME);
- verifyOwner(peer1, entity3.getType(), entity3.getIdentifier(), PEER_MEMBER_2_NAME);
- verifyOwner(peer2, entity3.getType(), entity3.getIdentifier(), PEER_MEMBER_2_NAME);
-
- // Add listeners on all members
-
- DOMEntityOwnershipListener leaderListener = mock(DOMEntityOwnershipListener.class);
- leader.tell(new RegisterListenerLocal(leaderListener, ENTITY_TYPE), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verify(leaderListener, timeout(5000).times(3)).ownershipChanged(or(or(
- ownershipChange(entity1, false, true, true), ownershipChange(entity2, false, false, true)),
- ownershipChange(entity3, false, false, true)));
- reset(leaderListener);
-
- DOMEntityOwnershipListener peer1Listener = mock(DOMEntityOwnershipListener.class);
- peer1.tell(new RegisterListenerLocal(peer1Listener, ENTITY_TYPE), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verify(peer1Listener, timeout(5000).times(3)).ownershipChanged(or(or(
- ownershipChange(entity1, false, false, true), ownershipChange(entity2, false, true, true)),
- ownershipChange(entity3, false, false, true)));
- reset(peer1Listener);
-
- DOMEntityOwnershipListener peer2Listener = mock(DOMEntityOwnershipListener.class);
- peer2.tell(new RegisterListenerLocal(peer2Listener, ENTITY_TYPE), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verify(peer2Listener, timeout(5000).times(3)).ownershipChanged(or(or(
- ownershipChange(entity1, false, false, true), ownershipChange(entity2, false, false, true)),
- ownershipChange(entity3, false, true, true)));
- reset(peer2Listener);
-
- // Isolate the leader by dropping AppendEntries to the followers and incoming messages from the followers.
-
- leader.underlyingActor().startDroppingMessagesOfType(RequestVote.class);
- leader.underlyingActor().startDroppingMessagesOfType(AppendEntries.class);
-
- peer2.underlyingActor().startDroppingMessagesOfType(AppendEntries.class,
- ae -> ae.getLeaderId().equals(leaderId.toString()));
- peer1.underlyingActor().startDroppingMessagesOfType(AppendEntries.class);
-
- // Make peer1 start an election and become leader by enabling the ElectionTimeout message.
-
- peer1.underlyingActor().stopDroppingMessagesOfType(ElectionTimeout.class);
-
- // Send PeerDown to the isolated leader so it tries to re-assign ownership for the entities owned by the
- // isolated peers.
-
- leader.tell(new PeerDown(peerId1.getMemberName(), peerId1.toString()), ActorRef.noSender());
- leader.tell(new PeerDown(peerId2.getMemberName(), peerId2.toString()), ActorRef.noSender());
-
- verifyRaftState(leader, state ->
- assertEquals("getRaftState", RaftState.IsolatedLeader.toString(), state.getRaftState()));
-
- // Expect inJeopardy notification on the isolated leader.
-
- verify(leaderListener, timeout(5000).times(3)).ownershipChanged(or(or(
- ownershipChange(entity1, true, true, true, true), ownershipChange(entity2, false, false, true, true)),
- ownershipChange(entity3, false, false, true, true)));
- reset(leaderListener);
-
- verifyRaftState(peer1, state ->
- assertEquals("getRaftState", RaftState.Leader.toString(), state.getRaftState()));
-
- // Send PeerDown to the new leader peer1 so it re-assigns ownership for the entities owned by the
- // isolated leader.
-
- peer1.tell(new PeerDown(leaderId.getMemberName(), leaderId.toString()), ActorRef.noSender());
-
- verifyOwner(peer1, entity1.getType(), entity1.getIdentifier(), PEER_MEMBER_1_NAME);
-
- verify(peer1Listener, timeout(5000)).ownershipChanged(ownershipChange(entity1, false, true, true));
- reset(peer1Listener);
-
- verify(peer2Listener, timeout(5000)).ownershipChanged(ownershipChange(entity1, false, false, true));
- reset(peer2Listener);
-
- // Remove the isolation.
-
- leader.underlyingActor().stopDroppingMessagesOfType(RequestVote.class);
- leader.underlyingActor().stopDroppingMessagesOfType(AppendEntries.class);
- peer2.underlyingActor().stopDroppingMessagesOfType(AppendEntries.class);
- peer1.underlyingActor().stopDroppingMessagesOfType(AppendEntries.class);
-
- // Previous leader should switch to Follower and send inJeopardy cleared notifications for all entities.
-
- verifyRaftState(leader, state ->
- assertEquals("getRaftState", RaftState.Follower.toString(), state.getRaftState()));
-
- verify(leaderListener, timeout(5000).times(3)).ownershipChanged(or(or(
- ownershipChange(entity1, true, true, true), ownershipChange(entity2, false, false, true)),
- ownershipChange(entity3, false, false, true)));
-
- verifyOwner(leader, entity1.getType(), entity1.getIdentifier(), PEER_MEMBER_1_NAME);
- verify(leaderListener, timeout(5000)).ownershipChanged(ownershipChange(entity1, true, false, true));
-
- Uninterruptibles.sleepUninterruptibly(500, TimeUnit.MILLISECONDS);
- verifyOwner(leader, entity2.getType(), entity2.getIdentifier(), PEER_MEMBER_1_NAME);
- verifyOwner(leader, entity3.getType(), entity3.getIdentifier(), PEER_MEMBER_2_NAME);
-
- verifyNoMoreInteractions(leaderListener);
- verifyNoMoreInteractions(peer1Listener);
- verifyNoMoreInteractions(peer2Listener);
-
- testLog.info("testLeaderIsolation ending");
- }
-
- @Test
- public void testLeaderIsolationWithPendingCandidateAdded() throws Exception {
- testLog.info("testLeaderIsolationWithPendingCandidateAdded starting");
-
- final ShardTestKit kit = new ShardTestKit(getSystem());
-
- ShardIdentifier leaderId = newShardId(LOCAL_MEMBER_NAME);
- ShardIdentifier peerId1 = newShardId(PEER_MEMBER_1_NAME);
- ShardIdentifier peerId2 = newShardId(PEER_MEMBER_2_NAME);
-
- dataStoreContextBuilder.shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(4)
- .shardIsolatedLeaderCheckIntervalInMillis(100000);
-
- TestActorRef<TestEntityOwnershipShard> peer1 = actorFactory.createTestActor(TestEntityOwnershipShard.props(
- newShardBuilder(peerId1, peerMap(leaderId.toString(), peerId2.toString()), PEER_MEMBER_1_NAME),
- actorFactory.createActor(MessageCollectorActor.props())), peerId1.toString());
- peer1.underlyingActor().startDroppingMessagesOfType(ElectionTimeout.class);
-
- TestActorRef<TestEntityOwnershipShard> peer2 = actorFactory.createTestActor(TestEntityOwnershipShard.props(
- newShardBuilder(peerId2, peerMap(leaderId.toString(), peerId1.toString()), PEER_MEMBER_2_NAME),
- actorFactory.createTestActor(MessageCollectorActor.props())), peerId2.toString());
- peer2.underlyingActor().startDroppingMessagesOfType(ElectionTimeout.class);
-
- dataStoreContextBuilder = DatastoreContext.newBuilderFrom(dataStoreContextBuilder.build())
- .shardIsolatedLeaderCheckIntervalInMillis(500);
-
- TestActorRef<TestEntityOwnershipShard> leader = actorFactory.createTestActor(TestEntityOwnershipShard.props(
- newShardBuilder(leaderId, peerMap(peerId1.toString(), peerId2.toString()), LOCAL_MEMBER_NAME),
- actorFactory.createTestActor(MessageCollectorActor.props())), leaderId.toString());
-
- ShardTestKit.waitUntilLeader(leader);
-
- // Add listeners on all members
-
- DOMEntityOwnershipListener leaderListener = mock(DOMEntityOwnershipListener.class,
- "DOMEntityOwnershipListener-" + LOCAL_MEMBER_NAME);
- leader.tell(new RegisterListenerLocal(leaderListener, ENTITY_TYPE), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- DOMEntityOwnershipListener peer1Listener = mock(DOMEntityOwnershipListener.class,
- "DOMEntityOwnershipListener-" + PEER_MEMBER_1_NAME);
- peer1.tell(new RegisterListenerLocal(peer1Listener, ENTITY_TYPE), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- DOMEntityOwnershipListener peer2Listener = mock(DOMEntityOwnershipListener.class,
- "DOMEntityOwnershipListener-" + PEER_MEMBER_2_NAME);
- peer2.tell(new RegisterListenerLocal(peer2Listener, ENTITY_TYPE), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- // Drop the CandidateAdded message to the leader for now.
-
- leader.underlyingActor().startDroppingMessagesOfType(CandidateAdded.class);
-
- // Add an entity candidates for the leader. Since we've blocked the CandidateAdded message, it won't be
- // assigned the owner.
-
- DOMEntity entity1 = new DOMEntity(ENTITY_TYPE, ENTITY_ID1);
- leader.tell(new RegisterCandidateLocal(entity1), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verifyCommittedEntityCandidate(leader, entity1.getType(), entity1.getIdentifier(), LOCAL_MEMBER_NAME);
- verifyCommittedEntityCandidate(peer1, entity1.getType(), entity1.getIdentifier(), LOCAL_MEMBER_NAME);
- verifyCommittedEntityCandidate(peer2, entity1.getType(), entity1.getIdentifier(), LOCAL_MEMBER_NAME);
-
- DOMEntity entity2 = new DOMEntity(ENTITY_TYPE, ENTITY_ID2);
- leader.tell(new RegisterCandidateLocal(entity2), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verifyCommittedEntityCandidate(leader, entity2.getType(), entity2.getIdentifier(), LOCAL_MEMBER_NAME);
- verifyCommittedEntityCandidate(peer1, entity2.getType(), entity2.getIdentifier(), LOCAL_MEMBER_NAME);
- verifyCommittedEntityCandidate(peer2, entity2.getType(), entity2.getIdentifier(), LOCAL_MEMBER_NAME);
-
- // Capture the CandidateAdded messages.
-
- final List<CandidateAdded> candidateAdded = expectMatching(leader.underlyingActor().collectorActor(),
- CandidateAdded.class, 2);
-
- // Drop AppendEntries to the followers containing a log entry, which will be for the owner writes after we
- // forward the CandidateAdded messages to the leader. This will leave the pending owner write tx's uncommitted.
-
- peer1.underlyingActor().startDroppingMessagesOfType(AppendEntries.class, ae -> ae.getEntries().size() > 0);
- peer2.underlyingActor().startDroppingMessagesOfType(AppendEntries.class, ae -> ae.getEntries().size() > 0);
-
- // Now forward the CandidateAdded messages to the leader and wait for it to send out the AppendEntries.
-
- leader.underlyingActor().stopDroppingMessagesOfType(CandidateAdded.class);
- leader.tell(candidateAdded.get(0), leader);
- leader.tell(candidateAdded.get(1), leader);
-
- expectMatching(peer1.underlyingActor().collectorActor(), AppendEntries.class, 2,
- ae -> ae.getEntries().size() > 0);
-
- // Verify no owner assigned.
-
- verifyNoOwnerSet(leader, entity1.getType(), entity1.getIdentifier());
- verifyNoOwnerSet(leader, entity2.getType(), entity2.getIdentifier());
-
- // Isolate the leader by dropping AppendEntries to the followers and incoming messages from the followers.
-
- leader.underlyingActor().startDroppingMessagesOfType(RequestVote.class);
- leader.underlyingActor().startDroppingMessagesOfType(AppendEntries.class);
-
- peer2.underlyingActor().startDroppingMessagesOfType(AppendEntries.class,
- ae -> ae.getLeaderId().equals(leaderId.toString()));
- peer1.underlyingActor().startDroppingMessagesOfType(AppendEntries.class);
-
- // Send PeerDown to the isolated leader - should be no-op since there's no owned entities.
-
- leader.tell(new PeerDown(peerId1.getMemberName(), peerId1.toString()), ActorRef.noSender());
- leader.tell(new PeerDown(peerId2.getMemberName(), peerId2.toString()), ActorRef.noSender());
-
- // Verify the leader transitions to IsolatedLeader.
-
- verifyRaftState(leader, state -> assertEquals("getRaftState", RaftState.IsolatedLeader.toString(),
- state.getRaftState()));
-
- // Send PeerDown to the new leader peer1.
-
- peer1.tell(new PeerDown(leaderId.getMemberName(), leaderId.toString()), ActorRef.noSender());
-
- // Make peer1 start an election and become leader by sending the TimeoutNow message.
-
- peer1.tell(TimeoutNow.INSTANCE, ActorRef.noSender());
-
- // Verify the peer1 transitions to Leader.
-
- verifyRaftState(peer1, state -> assertEquals("getRaftState", RaftState.Leader.toString(),
- state.getRaftState()));
-
- verifyNoOwnerSet(peer1, entity1.getType(), entity1.getIdentifier());
- verifyNoOwnerSet(peer2, entity1.getType(), entity2.getIdentifier());
-
- verifyNoMoreInteractions(peer1Listener);
- verifyNoMoreInteractions(peer2Listener);
-
- // Add candidate peer1 candidate for entity2.
-
- peer1.tell(new RegisterCandidateLocal(entity2), kit.getRef());
-
- verifyOwner(peer1, entity2.getType(), entity2.getIdentifier(), PEER_MEMBER_1_NAME);
- verify(peer1Listener, timeout(5000)).ownershipChanged(ownershipChange(entity2, false, true, true));
- verify(peer2Listener, timeout(5000)).ownershipChanged(ownershipChange(entity2, false, false, true));
-
- reset(leaderListener, peer1Listener, peer2Listener);
-
- // Remove the isolation.
-
- leader.underlyingActor().stopDroppingMessagesOfType(RequestVote.class);
- leader.underlyingActor().stopDroppingMessagesOfType(AppendEntries.class);
- peer2.underlyingActor().stopDroppingMessagesOfType(AppendEntries.class);
- peer1.underlyingActor().stopDroppingMessagesOfType(AppendEntries.class);
-
- // Previous leader should switch to Follower.
-
- verifyRaftState(leader, state -> assertEquals("getRaftState", RaftState.Follower.toString(),
- state.getRaftState()));
-
- // Send PeerUp to peer1 and peer2.
-
- peer1.tell(new PeerUp(leaderId.getMemberName(), leaderId.toString()), ActorRef.noSender());
- peer2.tell(new PeerUp(leaderId.getMemberName(), leaderId.toString()), ActorRef.noSender());
-
- // The previous leader should become the owner of entity1.
-
- verifyOwner(leader, entity1.getType(), entity1.getIdentifier(), LOCAL_MEMBER_NAME);
-
- // The previous leader's DOMEntityOwnershipListener should get 4 total notifications:
- // - inJeopardy cleared for entity1 (wasOwner=false, isOwner=false, hasOwner=false, inJeopardy=false)
- // - inJeopardy cleared for entity2 (wasOwner=false, isOwner=false, hasOwner=false, inJeopardy=false)
- // - local owner granted for entity1 (wasOwner=false, isOwner=true, hasOwner=true, inJeopardy=false)
- // - remote owner for entity2 (wasOwner=false, isOwner=false, hasOwner=true, inJeopardy=false)
- verify(leaderListener, timeout(5000).times(4)).ownershipChanged(or(
- or(ownershipChange(entity1, false, false, false), ownershipChange(entity2, false, false, false)),
- or(ownershipChange(entity1, false, true, true), ownershipChange(entity2, false, false, true))));
-
- verify(peer1Listener, timeout(5000)).ownershipChanged(ownershipChange(entity1, false, false, true));
- verify(peer2Listener, timeout(5000)).ownershipChanged(ownershipChange(entity1, false, false, true));
-
- // Verify entity2's owner doesn't change.
-
- Uninterruptibles.sleepUninterruptibly(500, TimeUnit.MILLISECONDS);
- verifyOwner(peer1, entity2.getType(), entity2.getIdentifier(), PEER_MEMBER_1_NAME);
-
- verifyNoMoreInteractions(leaderListener);
- verifyNoMoreInteractions(peer1Listener);
- verifyNoMoreInteractions(peer2Listener);
-
- testLog.info("testLeaderIsolationWithPendingCandidateAdded ending");
- }
-
- @Test
- public void testListenerRegistration() {
- testLog.info("testListenerRegistration starting");
-
- ShardTestKit kit = new ShardTestKit(getSystem());
-
- ShardIdentifier leaderId = newShardId(LOCAL_MEMBER_NAME);
- ShardIdentifier peerId = newShardId(PEER_MEMBER_1_NAME);
-
- TestActorRef<TestEntityOwnershipShard> peer = actorFactory.createTestActor(TestEntityOwnershipShard.props(
- newShardBuilder(peerId, peerMap(leaderId.toString()), PEER_MEMBER_1_NAME)), peerId.toString());
- peer.underlyingActor().startDroppingMessagesOfType(ElectionTimeout.class);
-
- TestActorRef<EntityOwnershipShard> leader = actorFactory.createTestActor(
- newShardProps(leaderId, peerMap(peerId.toString()), LOCAL_MEMBER_NAME), leaderId.toString());
-
- ShardTestKit.waitUntilLeader(leader);
-
- String otherEntityType = "otherEntityType";
- final DOMEntity entity1 = new DOMEntity(ENTITY_TYPE, ENTITY_ID1);
- final DOMEntity entity2 = new DOMEntity(ENTITY_TYPE, ENTITY_ID2);
- final DOMEntity entity3 = new DOMEntity(ENTITY_TYPE, ENTITY_ID3);
- final DOMEntity entity4 = new DOMEntity(otherEntityType, ENTITY_ID3);
- DOMEntityOwnershipListener listener = mock(DOMEntityOwnershipListener.class);
-
- // Register listener
-
- leader.tell(new RegisterListenerLocal(listener, ENTITY_TYPE), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- // Register a couple candidates for the desired entity type and verify listener is notified.
-
- leader.tell(new RegisterCandidateLocal(entity1), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- verify(listener, timeout(5000)).ownershipChanged(ownershipChange(entity1, false, true, true));
-
- leader.tell(new RegisterCandidateLocal(entity2), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- verify(listener, timeout(5000)).ownershipChanged(ownershipChange(entity2, false, true, true));
- reset(listener);
-
- // Register another candidate for another entity type and verify listener is not notified.
-
- leader.tell(new RegisterCandidateLocal(entity4), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- Uninterruptibles.sleepUninterruptibly(500, TimeUnit.MILLISECONDS);
- verify(listener, never()).ownershipChanged(ownershipChange(entity4));
-
- // Register remote candidate for entity1
-
- peer.tell(new RegisterCandidateLocal(entity1), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
- verifyCommittedEntityCandidate(leader, ENTITY_TYPE, entity1.getIdentifier(), PEER_MEMBER_1_NAME);
-
- // Unregister the local candidate for entity1 and verify listener is notified
-
- leader.tell(new UnregisterCandidateLocal(entity1), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- verify(listener, timeout(5000)).ownershipChanged(ownershipChange(entity1, true, false, true));
- reset(listener);
-
- // Unregister the listener, add a candidate for entity3 and verify listener isn't notified
-
- leader.tell(new UnregisterListenerLocal(listener, ENTITY_TYPE), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- leader.tell(new RegisterCandidateLocal(entity3), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- verifyOwner(leader, ENTITY_TYPE, entity3.getIdentifier(), LOCAL_MEMBER_NAME);
- Uninterruptibles.sleepUninterruptibly(500, TimeUnit.MILLISECONDS);
- verify(listener, never()).ownershipChanged(any(DOMEntityOwnershipChange.class));
-
- // Re-register the listener and verify it gets notified of currently owned entities
-
- reset(listener);
-
- leader.tell(new RegisterListenerLocal(listener, ENTITY_TYPE), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- verify(listener, timeout(5000).times(2)).ownershipChanged(or(ownershipChange(entity2, false, true, true),
- ownershipChange(entity3, false, true, true)));
- Uninterruptibles.sleepUninterruptibly(300, TimeUnit.MILLISECONDS);
- verify(listener, never()).ownershipChanged(ownershipChange(entity4));
- verify(listener, times(1)).ownershipChanged(ownershipChange(entity1));
-
- testLog.info("testListenerRegistration ending");
- }
-
- @Test
- public void testDelayedEntityOwnerSelectionWhenMaxPeerRequestsReceived() {
- testLog.info("testDelayedEntityOwnerSelectionWhenMaxPeerRequestsReceived starting");
-
- ShardTestKit kit = new ShardTestKit(getSystem());
- EntityOwnerSelectionStrategyConfig.Builder builder = EntityOwnerSelectionStrategyConfig.newBuilder()
- .addStrategy(ENTITY_TYPE, LastCandidateSelectionStrategy.class, 500);
-
- ShardIdentifier leaderId = newShardId(LOCAL_MEMBER_NAME);
- ShardIdentifier peerId = newShardId(PEER_MEMBER_1_NAME);
-
- TestActorRef<TestEntityOwnershipShard> peer = actorFactory.createTestActor(TestEntityOwnershipShard.props(
- newShardBuilder(peerId, peerMap(leaderId.toString()), PEER_MEMBER_1_NAME)), peerId.toString());
- peer.underlyingActor().startDroppingMessagesOfType(ElectionTimeout.class);
-
- TestActorRef<EntityOwnershipShard> leader = actorFactory.createTestActor(
- newShardProps(leaderId, peerMap(peerId.toString()), LOCAL_MEMBER_NAME, builder.build()),
- leaderId.toString());
-
- ShardTestKit.waitUntilLeader(leader);
-
- DOMEntity entity = new DOMEntity(ENTITY_TYPE, ENTITY_ID1);
-
- // Add a remote candidate
-
- peer.tell(new RegisterCandidateLocal(entity), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- // Register local
-
- leader.tell(new RegisterCandidateLocal(entity), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- // Verify the local candidate becomes owner
-
- verifyCommittedEntityCandidate(leader, entity.getType(), entity.getIdentifier(), PEER_MEMBER_1_NAME);
- verifyCommittedEntityCandidate(leader, entity.getType(), entity.getIdentifier(), LOCAL_MEMBER_NAME);
- verifyOwner(leader, entity.getType(), entity.getIdentifier(), LOCAL_MEMBER_NAME);
-
- testLog.info("testDelayedEntityOwnerSelectionWhenMaxPeerRequestsReceived ending");
- }
-
- @Test
- public void testDelayedEntityOwnerSelection() {
- testLog.info("testDelayedEntityOwnerSelection starting");
-
- final ShardTestKit kit = new ShardTestKit(getSystem());
- EntityOwnerSelectionStrategyConfig.Builder builder = EntityOwnerSelectionStrategyConfig.newBuilder()
- .addStrategy(ENTITY_TYPE, LastCandidateSelectionStrategy.class, 500);
-
- dataStoreContextBuilder.shardHeartbeatIntervalInMillis(100).shardElectionTimeoutFactor(2);
-
- ShardIdentifier leaderId = newShardId(LOCAL_MEMBER_NAME);
- ShardIdentifier peerId1 = newShardId(PEER_MEMBER_1_NAME);
- ShardIdentifier peerId2 = newShardId(PEER_MEMBER_2_NAME);
-
- TestActorRef<TestEntityOwnershipShard> peer1 = actorFactory.createTestActor(TestEntityOwnershipShard.props(
- newShardBuilder(peerId1, peerMap(leaderId.toString(), peerId2.toString()), PEER_MEMBER_1_NAME)),
- peerId1.toString());
- peer1.underlyingActor().startDroppingMessagesOfType(ElectionTimeout.class);
-
- TestActorRef<TestEntityOwnershipShard> peer2 = actorFactory.createTestActor(TestEntityOwnershipShard.props(
- newShardBuilder(peerId2, peerMap(leaderId.toString(), peerId1.toString()), PEER_MEMBER_2_NAME)),
- peerId2.toString());
- peer2.underlyingActor().startDroppingMessagesOfType(ElectionTimeout.class);
-
- TestActorRef<EntityOwnershipShard> leader = actorFactory.createTestActor(
- newShardProps(leaderId, peerMap(peerId1.toString(), peerId2.toString()), LOCAL_MEMBER_NAME,
- builder.build()), leaderId.toString());
-
- ShardTestKit.waitUntilLeader(leader);
-
- DOMEntity entity = new DOMEntity(ENTITY_TYPE, ENTITY_ID1);
-
- // Add a remote candidate
-
- peer1.tell(new RegisterCandidateLocal(entity), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- // Register local
-
- leader.tell(new RegisterCandidateLocal(entity), kit.getRef());
- kit.expectMsgClass(SuccessReply.class);
-
- // Verify the local candidate becomes owner
-
- verifyCommittedEntityCandidate(leader, entity.getType(), entity.getIdentifier(), PEER_MEMBER_1_NAME);
- verifyCommittedEntityCandidate(leader, entity.getType(), entity.getIdentifier(), LOCAL_MEMBER_NAME);
- verifyOwner(leader, entity.getType(), entity.getIdentifier(), LOCAL_MEMBER_NAME);
-
- testLog.info("testDelayedEntityOwnerSelection ending");
- }
-
- private Props newLocalShardProps() {
- return newShardProps(newShardId(LOCAL_MEMBER_NAME), Collections.<String,String>emptyMap(), LOCAL_MEMBER_NAME);
- }
-
- private Props newShardProps(final ShardIdentifier shardId, final Map<String,String> peers,
- final String memberName) {
- return newShardProps(shardId, peers, memberName, EntityOwnerSelectionStrategyConfig.newBuilder().build());
- }
-
- private Props newShardProps(final ShardIdentifier shardId, final Map<String,String> peers, final String memberName,
- final EntityOwnerSelectionStrategyConfig config) {
- return newShardBuilder(shardId, peers, memberName).ownerSelectionStrategyConfig(config).props()
- .withDispatcher(Dispatchers.DefaultDispatcherId());
- }
-
- private EntityOwnershipShard.Builder newShardBuilder(final ShardIdentifier shardId, final Map<String, String> peers,
- final String memberName) {
- return EntityOwnershipShard.newBuilder()
- .id(shardId)
- .peerAddresses(peers)
- .datastoreContext(dataStoreContextBuilder.build())
- .schemaContextProvider(() -> EOSTestUtils.SCHEMA_CONTEXT)
- .localMemberName(MemberName.forName(memberName))
- .ownerSelectionStrategyConfig(EntityOwnerSelectionStrategyConfig.newBuilder().build());
- }
-
- private Map<String, String> peerMap(final String... peerIds) {
- ImmutableMap.Builder<String, String> builder = ImmutableMap.<String, String>builder();
- for (String peerId: peerIds) {
- builder.put(peerId, actorFactory.createTestActorPath(peerId)).build();
- }
-
- return builder.build();
- }
-
- private static class TestEntityOwnershipShard extends EntityOwnershipShard {
- private final ActorRef collectorActor;
- private final Map<Class<?>, Predicate<?>> dropMessagesOfType = new ConcurrentHashMap<>();
-
- TestEntityOwnershipShard(final Builder builder, final ActorRef collectorActor) {
- super(builder);
- this.collectorActor = collectorActor;
- }
-
- @SuppressWarnings({ "unchecked", "rawtypes" })
- @Override
- public void handleCommand(final Object message) {
- Predicate drop = dropMessagesOfType.get(message.getClass());
- if (drop == null || !drop.test(message)) {
- super.handleCommand(message);
- }
-
- if (collectorActor != null) {
- collectorActor.tell(message, ActorRef.noSender());
- }
- }
-
- void startDroppingMessagesOfType(final Class<?> msgClass) {
- dropMessagesOfType.put(msgClass, msg -> true);
- }
-
- <T> void startDroppingMessagesOfType(final Class<T> msgClass, final Predicate<T> filter) {
- dropMessagesOfType.put(msgClass, filter);
- }
-
- void stopDroppingMessagesOfType(final Class<?> msgClass) {
- dropMessagesOfType.remove(msgClass);
- }
-
- ActorRef collectorActor() {
- return collectorActor;
- }
-
- static Props props(final Builder builder) {
- return props(builder, null);
- }
-
- static Props props(final Builder builder, final ActorRef collectorActor) {
- return Props.create(TestEntityOwnershipShard.class, builder, collectorActor)
- .withDispatcher(Dispatchers.DefaultDispatcherId());
- }
- }
-}
Code Review / controller.git / commitdiff