+
+ @Test
+ public void testOnReceiveFindPrimaryWaitForReadyWithNoRoleShard() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager.tell(new ActorInitialized(), mockShardActor);
+
+ shardManager.tell(new FindPrimary(Shard.DEFAULT_NAME, true), getRef());
+
+ expectMsgClass(duration("2 seconds"), NoShardLeaderException.class);
+ }};
+ }
+
+ @Test
+ public void testOnReceiveFindPrimaryForRemoteShard() throws Exception {
+ String shardManagerID = ShardManagerIdentifier.builder().type(shardMrgIDSuffix).build().toString();
+
+ // Create an ActorSystem ShardManager actor for member-1.
+
+ final ActorSystem system1 = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member1"));
+ Cluster.get(system1).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
+
+ ActorRef mockShardActor1 = newMockShardActor(system1, Shard.DEFAULT_NAME, "member-1");
+
+ final TestActorRef<ForwardingShardManager> shardManager1 = TestActorRef.create(system1,
+ newPropsShardMgrWithMockShardActor("shardManager1", mockShardActor1, new ClusterWrapperImpl(system1),
+ new MockConfiguration()), shardManagerID);
+
+ // Create an ActorSystem ShardManager actor for member-2.
+
+ final ActorSystem system2 = ActorSystem.create("cluster-test", ConfigFactory.load().getConfig("Member2"));
+
+ Cluster.get(system2).join(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
+
+ final ActorRef mockShardActor2 = newMockShardActor(system2, "astronauts", "member-2");
+
+ MockConfiguration mockConfig2 = new MockConfiguration(ImmutableMap.<String, List<String>>builder().
+ put("default", Arrays.asList("member-1", "member-2")).
+ put("astronauts", Arrays.asList("member-2")).build());
+
+ final TestActorRef<ForwardingShardManager> shardManager2 = TestActorRef.create(system2,
+ newPropsShardMgrWithMockShardActor("shardManager2", mockShardActor2, new ClusterWrapperImpl(system2),
+ mockConfig2), shardManagerID);
+
+ new JavaTestKit(system1) {{
+
+ shardManager1.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager2.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+
+ shardManager2.tell(new ActorInitialized(), mockShardActor2);
+
+ String memberId2 = "member-2-shard-astronauts-" + shardMrgIDSuffix;
+ shardManager2.tell(new LeaderStateChanged(memberId2, memberId2), mockShardActor2);
+ shardManager2.tell(new RoleChangeNotification(memberId2,
+ RaftState.Candidate.name(), RaftState.Leader.name()), mockShardActor2);
+
+ shardManager1.underlyingActor().waitForMemberUp();
+
+ shardManager1.tell(new FindPrimary("astronauts", false), getRef());
+
+ PrimaryFound found = expectMsgClass(duration("5 seconds"), PrimaryFound.class);
+ String path = found.getPrimaryPath();
+ assertTrue("Unexpected primary path " + path, path.contains("member-2-shard-astronauts-config"));
+
+ shardManager2.underlyingActor().verifyFindPrimary();
+
+ Cluster.get(system2).down(AddressFromURIString.parse("akka.tcp://cluster-test@127.0.0.1:2558"));
+
+ shardManager1.underlyingActor().waitForMemberRemoved();
+
+ shardManager1.tell(new FindPrimary("astronauts", false), getRef());
+
+ expectMsgClass(duration("5 seconds"), PrimaryNotFoundException.class);
+ }};
+
+ JavaTestKit.shutdownActorSystem(system1);
+ JavaTestKit.shutdownActorSystem(system2);
+ }
+
+ @Test
+ public void testOnReceiveFindLocalShardForNonExistentShard() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+
+ shardManager.tell(new FindLocalShard("non-existent", false), getRef());
+
+ LocalShardNotFound notFound = expectMsgClass(duration("5 seconds"), LocalShardNotFound.class);
+
+ assertEquals("getShardName", "non-existent", notFound.getShardName());
+ }};
+ }
+
+ @Test
+ public void testOnReceiveFindLocalShardForExistentShard() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+ shardManager.tell(new ActorInitialized(), mockShardActor);
+
+ shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
+
+ LocalShardFound found = expectMsgClass(duration("5 seconds"), LocalShardFound.class);
+
+ assertTrue("Found path contains " + found.getPath().path().toString(),
+ found.getPath().path().toString().contains("member-1-shard-default-config"));
+ }};
+ }
+
+ @Test
+ public void testOnReceiveFindLocalShardForNotInitializedShard() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+
+ shardManager.tell(new FindLocalShard(Shard.DEFAULT_NAME, false), getRef());
+
+ expectMsgClass(duration("5 seconds"), NotInitializedException.class);
+ }};
+ }
+
+ @Test
+ public void testOnReceiveFindLocalShardWaitForShardInitialized() throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final ActorRef shardManager = getSystem().actorOf(newPropsShardMgrWithMockShardActor());
+
+ shardManager.tell(new UpdateSchemaContext(TestModel.createTestContext()), getRef());
+
+ // We're passing waitUntilInitialized = true to FindLocalShard so the response should be
+ // delayed until we send ActorInitialized.
+ Future<Object> future = Patterns.ask(shardManager, new FindLocalShard(Shard.DEFAULT_NAME, true),
+ new Timeout(5, TimeUnit.SECONDS));
+
+ shardManager.tell(new ActorInitialized(), mockShardActor);
+
+ Object resp = Await.result(future, duration("5 seconds"));
+ assertTrue("Expected: LocalShardFound, Actual: " + resp, resp instanceof LocalShardFound);
+ }};
+ }
+
+ @Test
+ public void testOnRecoveryJournalIsCleaned() {
+ InMemoryJournal.addEntry(shardMgrID, 1L, new ShardManager.SchemaContextModules(
+ ImmutableSet.of("foo")));
+ InMemoryJournal.addEntry(shardMgrID, 2L, new ShardManager.SchemaContextModules(
+ ImmutableSet.of("bar")));
+ InMemoryJournal.addDeleteMessagesCompleteLatch(shardMgrID);
+
+ new JavaTestKit(getSystem()) {{
+ TestActorRef<TestShardManager> shardManager = TestActorRef.create(getSystem(),
+ Props.create(new TestShardManagerCreator(shardMrgIDSuffix)));
+
+ shardManager.underlyingActor().waitForRecoveryComplete();
+ InMemoryJournal.waitForDeleteMessagesComplete(shardMgrID);
+
+ // Journal entries up to the last one should've been deleted
+ Map<Long, Object> journal = InMemoryJournal.get(shardMgrID);
+ synchronized (journal) {
+ assertEquals("Journal size", 1, journal.size());
+ assertEquals("Journal entry seq #", Long.valueOf(2), journal.keySet().iterator().next());
+ }
+ }};
+ }
+
+ @Test
+ public void testOnRecoveryPreviouslyKnownModulesAreDiscovered() throws Exception {
+ final ImmutableSet<String> persistedModules = ImmutableSet.of("foo", "bar");
+ InMemoryJournal.addEntry(shardMgrID, 1L, new ShardManager.SchemaContextModules(
+ persistedModules));
+ new JavaTestKit(getSystem()) {{
+ TestActorRef<TestShardManager> shardManager = TestActorRef.create(getSystem(),
+ Props.create(new TestShardManagerCreator(shardMrgIDSuffix)));
+
+ shardManager.underlyingActor().waitForRecoveryComplete();
+
+ Collection<String> knownModules = shardManager.underlyingActor().getKnownModules();
+
+ assertEquals("getKnownModules", persistedModules, Sets.newHashSet(knownModules));
+ }};
+ }
+
+ @Test
+ public void testOnUpdateSchemaContextUpdateKnownModulesIfTheyContainASuperSetOfTheKnownModules()
+ throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final TestActorRef<ShardManager> shardManager =
+ TestActorRef.create(getSystem(), newShardMgrProps());
+
+ assertEquals("getKnownModules size", 0, shardManager.underlyingActor().getKnownModules().size());
+
+ ModuleIdentifier foo = mock(ModuleIdentifier.class);
+ when(foo.getNamespace()).thenReturn(new URI("foo"));
+
+ Set<ModuleIdentifier> moduleIdentifierSet = new HashSet<>();
+ moduleIdentifierSet.add(foo);
+
+ SchemaContext schemaContext = mock(SchemaContext.class);
+ when(schemaContext.getAllModuleIdentifiers()).thenReturn(moduleIdentifierSet);
+
+ shardManager.underlyingActor().onReceiveCommand(new UpdateSchemaContext(schemaContext));
+
+ assertEquals("getKnownModules", Sets.newHashSet("foo"),
+ Sets.newHashSet(shardManager.underlyingActor().getKnownModules()));
+
+ ModuleIdentifier bar = mock(ModuleIdentifier.class);
+ when(bar.getNamespace()).thenReturn(new URI("bar"));
+
+ moduleIdentifierSet.add(bar);
+
+ shardManager.underlyingActor().onReceiveCommand(new UpdateSchemaContext(schemaContext));
+
+ assertEquals("getKnownModules", Sets.newHashSet("foo", "bar"),
+ Sets.newHashSet(shardManager.underlyingActor().getKnownModules()));
+ }};
+ }
+
+ @Test
+ public void testOnUpdateSchemaContextDoNotUpdateKnownModulesIfTheyDoNotContainASuperSetOfKnownModules()
+ throws Exception {
+ new JavaTestKit(getSystem()) {{
+ final TestActorRef<ShardManager> shardManager =
+ TestActorRef.create(getSystem(), newShardMgrProps());
+
+ SchemaContext schemaContext = mock(SchemaContext.class);
+ Set<ModuleIdentifier> moduleIdentifierSet = new HashSet<>();
+
+ ModuleIdentifier foo = mock(ModuleIdentifier.class);
+ when(foo.getNamespace()).thenReturn(new URI("foo"));
+
+ moduleIdentifierSet.add(foo);
+
+ when(schemaContext.getAllModuleIdentifiers()).thenReturn(moduleIdentifierSet);
+
+ shardManager.underlyingActor().onReceiveCommand(new UpdateSchemaContext(schemaContext));
+
+ assertEquals("getKnownModules", Sets.newHashSet("foo"),
+ Sets.newHashSet(shardManager.underlyingActor().getKnownModules()));
+
+ //Create a completely different SchemaContext with only the bar module in it
+ //schemaContext = mock(SchemaContext.class);
+ moduleIdentifierSet.clear();
+ ModuleIdentifier bar = mock(ModuleIdentifier.class);
+ when(bar.getNamespace()).thenReturn(new URI("bar"));
+
+ moduleIdentifierSet.add(bar);
+
+ shardManager.underlyingActor().onReceiveCommand(new UpdateSchemaContext(schemaContext));
+
+ assertEquals("getKnownModules", Sets.newHashSet("foo"),
+ Sets.newHashSet(shardManager.underlyingActor().getKnownModules()));
+
+ }};
+ }
+
+ @Test
+ public void testRecoveryApplicable(){
+ new JavaTestKit(getSystem()) {
+ {
+ final Props persistentProps = ShardManager.props(
+ new MockClusterWrapper(),
+ new MockConfiguration(),
+ DatastoreContext.newBuilder().persistent(true).build(), ready);
+ final TestActorRef<ShardManager> persistentShardManager =
+ TestActorRef.create(getSystem(), persistentProps);
+
+ DataPersistenceProvider dataPersistenceProvider1 = persistentShardManager.underlyingActor().getDataPersistenceProvider();
+
+ assertTrue("Recovery Applicable", dataPersistenceProvider1.isRecoveryApplicable());
+
+ final Props nonPersistentProps = ShardManager.props(
+ new MockClusterWrapper(),
+ new MockConfiguration(),
+ DatastoreContext.newBuilder().persistent(false).build(), ready);
+ final TestActorRef<ShardManager> nonPersistentShardManager =
+ TestActorRef.create(getSystem(), nonPersistentProps);
+
+ DataPersistenceProvider dataPersistenceProvider2 = nonPersistentShardManager.underlyingActor().getDataPersistenceProvider();
+
+ assertFalse("Recovery Not Applicable", dataPersistenceProvider2.isRecoveryApplicable());
+
+
+ }};
+
+ }
+
+ @Test
+ public void testOnUpdateSchemaContextUpdateKnownModulesCallsDataPersistenceProvider()
+ throws Exception {
+ final CountDownLatch persistLatch = new CountDownLatch(1);
+ final Creator<ShardManager> creator = new Creator<ShardManager>() {
+ private static final long serialVersionUID = 1L;
+ @Override
+ public ShardManager create() throws Exception {
+ return new ShardManager(new MockClusterWrapper(), new MockConfiguration(), DatastoreContext.newBuilder().build(), ready) {
+ @Override
+ protected DataPersistenceProvider createDataPersistenceProvider(boolean persistent) {
+ DataPersistenceProviderMonitor dataPersistenceProviderMonitor
+ = new DataPersistenceProviderMonitor();
+ dataPersistenceProviderMonitor.setPersistLatch(persistLatch);
+ return dataPersistenceProviderMonitor;
+ }
+ };
+ }
+ };
+
+ new JavaTestKit(getSystem()) {{
+
+ final TestActorRef<ShardManager> shardManager =
+ TestActorRef.create(getSystem(), Props.create(new DelegatingShardManagerCreator(creator)));
+
+ ModuleIdentifier foo = mock(ModuleIdentifier.class);
+ when(foo.getNamespace()).thenReturn(new URI("foo"));
+
+ Set<ModuleIdentifier> moduleIdentifierSet = new HashSet<>();
+ moduleIdentifierSet.add(foo);
+
+ SchemaContext schemaContext = mock(SchemaContext.class);
+ when(schemaContext.getAllModuleIdentifiers()).thenReturn(moduleIdentifierSet);
+
+ shardManager.underlyingActor().onReceiveCommand(new UpdateSchemaContext(schemaContext));
+
+ assertEquals("Persisted", true,
+ Uninterruptibles.awaitUninterruptibly(persistLatch, 5, TimeUnit.SECONDS));
+
+ }};
+ }
+
+ @Test
+ public void testRoleChangeNotificationAndLeaderStateChangedReleaseReady() throws Exception {
+ new JavaTestKit(getSystem()) {
+ {
+ TestActorRef<ShardManager> shardManager = TestActorRef.create(getSystem(), newShardMgrProps());
+
+ String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.underlyingActor().onReceiveCommand(new RoleChangeNotification(
+ memberId, RaftState.Candidate.name(), RaftState.Leader.name()));
+
+ verify(ready, never()).countDown();
+
+ shardManager.underlyingActor().onReceiveCommand(new LeaderStateChanged(memberId, memberId));
+
+ verify(ready, times(1)).countDown();
+
+ }};
+ }
+
+ @Test
+ public void testRoleChangeNotificationToFollowerWithLeaderStateChangedReleaseReady() throws Exception {
+ new JavaTestKit(getSystem()) {
+ {
+ TestActorRef<ShardManager> shardManager = TestActorRef.create(getSystem(), newShardMgrProps());
+
+ String memberId = "member-1-shard-default-" + shardMrgIDSuffix;
+ shardManager.underlyingActor().onReceiveCommand(new RoleChangeNotification(
+ memberId, null, RaftState.Follower.name()));
+
+ verify(ready, never()).countDown();
+
+ shardManager.underlyingActor().onReceiveCommand(new LeaderStateChanged(memberId, "member-2-shard-default-" + shardMrgIDSuffix));
+
+ verify(ready, times(1)).countDown();
+
+ }};
+ }
+
+
+ @Test
+ public void testRoleChangeNotificationDoNothingForUnknownShard() throws Exception {
+ new JavaTestKit(getSystem()) {
+ {
+ TestActorRef<ShardManager> shardManager = TestActorRef.create(getSystem(), newShardMgrProps());
+
+ shardManager.underlyingActor().onReceiveCommand(new RoleChangeNotification(
+ "unknown", RaftState.Candidate.name(), RaftState.Leader.name()));
+
+ verify(ready, never()).countDown();
+
+ }};
+ }
+
+
+ @Test
+ public void testByDefaultSyncStatusIsFalse() throws Exception{
+ final Props persistentProps = ShardManager.props(
+ new MockClusterWrapper(),
+ new MockConfiguration(),
+ DatastoreContext.newBuilder().persistent(true).build(), ready);
+ final TestActorRef<ShardManager> shardManager =
+ TestActorRef.create(getSystem(), persistentProps);
+
+ ShardManager shardManagerActor = shardManager.underlyingActor();
+
+ assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ }
+
+ @Test
+ public void testWhenShardIsLeaderSyncStatusIsTrue() throws Exception{
+ final Props persistentProps = ShardManager.props(
+ new MockClusterWrapper(),
+ new MockConfiguration(),
+ DatastoreContext.newBuilder().persistent(true).build(), ready);
+ final TestActorRef<ShardManager> shardManager =
+ TestActorRef.create(getSystem(), persistentProps);
+
+ ShardManager shardManagerActor = shardManager.underlyingActor();
+ shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-unknown",
+ RaftState.Follower.name(), RaftState.Leader.name()));
+
+ assertEquals(true, shardManagerActor.getMBean().getSyncStatus());
+ }
+
+ @Test
+ public void testWhenShardIsCandidateSyncStatusIsFalse() throws Exception{
+ final Props persistentProps = ShardManager.props(
+ new MockClusterWrapper(),
+ new MockConfiguration(),
+ DatastoreContext.newBuilder().persistent(true).build(), ready);
+ final TestActorRef<ShardManager> shardManager =
+ TestActorRef.create(getSystem(), persistentProps);
+
+ ShardManager shardManagerActor = shardManager.underlyingActor();
+ shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-unknown",
+ RaftState.Follower.name(), RaftState.Candidate.name()));
+
+ assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+
+ // Send a FollowerInitialSyncStatus with status = true for the replica whose current state is candidate
+ shardManagerActor.onReceiveCommand(new FollowerInitialSyncUpStatus(true, "member-1-shard-default-unknown"));
+
+ assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+ }
+
+ @Test
+ public void testWhenShardIsFollowerSyncStatusDependsOnFollowerInitialSyncStatus() throws Exception{
+ final Props persistentProps = ShardManager.props(
+ new MockClusterWrapper(),
+ new MockConfiguration(),
+ DatastoreContext.newBuilder().persistent(true).build(), ready);
+ final TestActorRef<ShardManager> shardManager =
+ TestActorRef.create(getSystem(), persistentProps);
+
+ ShardManager shardManagerActor = shardManager.underlyingActor();
+ shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-unknown",
+ RaftState.Candidate.name(), RaftState.Follower.name()));
+
+ // Initially will be false
+ assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+
+ // Send status true will make sync status true
+ shardManagerActor.onReceiveCommand(new FollowerInitialSyncUpStatus(true, "member-1-shard-default-unknown"));
+
+ assertEquals(true, shardManagerActor.getMBean().getSyncStatus());
+
+ // Send status false will make sync status false
+ shardManagerActor.onReceiveCommand(new FollowerInitialSyncUpStatus(false, "member-1-shard-default-unknown"));
+
+ assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+
+ }
+
+ @Test
+ public void testWhenMultipleShardsPresentSyncStatusMustBeTrueForAllShards() throws Exception{
+ final Props persistentProps = ShardManager.props(
+ new MockClusterWrapper(),
+ new MockConfiguration() {
+ @Override
+ public List<String> getMemberShardNames(String memberName) {
+ return Arrays.asList("default", "astronauts");
+ }
+ },
+ DatastoreContext.newBuilder().persistent(true).build(), ready);
+ final TestActorRef<ShardManager> shardManager =
+ TestActorRef.create(getSystem(), persistentProps);
+
+ ShardManager shardManagerActor = shardManager.underlyingActor();
+
+ // Initially will be false
+ assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+
+ // Make default shard leader
+ shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-default-unknown",
+ RaftState.Follower.name(), RaftState.Leader.name()));
+
+ // default = Leader, astronauts is unknown so sync status remains false
+ assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+
+ // Make astronauts shard leader as well
+ shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-astronauts-unknown",
+ RaftState.Follower.name(), RaftState.Leader.name()));
+
+ // Now sync status should be true
+ assertEquals(true, shardManagerActor.getMBean().getSyncStatus());
+
+ // Make astronauts a Follower
+ shardManagerActor.onReceiveCommand(new RoleChangeNotification("member-1-shard-astronauts-unknown",
+ RaftState.Leader.name(), RaftState.Follower.name()));
+
+ // Sync status is not true
+ assertEquals(false, shardManagerActor.getMBean().getSyncStatus());
+
+ // Make the astronauts follower sync status true
+ shardManagerActor.onReceiveCommand(new FollowerInitialSyncUpStatus(true, "member-1-shard-astronauts-unknown"));
+
+ // Sync status is now true
+ assertEquals(true, shardManagerActor.getMBean().getSyncStatus());
+
+ }
+
+ private static class TestShardManager extends ShardManager {
+ private final CountDownLatch recoveryComplete = new CountDownLatch(1);
+
+ TestShardManager(String shardMrgIDSuffix) {
+ super(new MockClusterWrapper(), new MockConfiguration(),
+ DatastoreContext.newBuilder().dataStoreType(shardMrgIDSuffix).build(), ready);
+ }
+
+ @Override
+ public void handleRecover(Object message) throws Exception {
+ try {
+ super.handleRecover(message);
+ } finally {
+ if(message instanceof RecoveryCompleted) {
+ recoveryComplete.countDown();
+ }
+ }
+ }
+
+ void waitForRecoveryComplete() {
+ assertEquals("Recovery complete", true,
+ Uninterruptibles.awaitUninterruptibly(recoveryComplete, 5, TimeUnit.SECONDS));
+ }
+ }
+
+ @SuppressWarnings("serial")
+ static class TestShardManagerCreator implements Creator<TestShardManager> {
+ String shardMrgIDSuffix;
+
+ TestShardManagerCreator(String shardMrgIDSuffix) {
+ this.shardMrgIDSuffix = shardMrgIDSuffix;
+ }
+
+ @Override
+ public TestShardManager create() throws Exception {
+ return new TestShardManager(shardMrgIDSuffix);
+ }
+
+ }
+
+ private static class DelegatingShardManagerCreator implements Creator<ShardManager> {
+ private static final long serialVersionUID = 1L;
+ private final Creator<ShardManager> delegate;
+
+ public DelegatingShardManagerCreator(Creator<ShardManager> delegate) {
+ this.delegate = delegate;
+ }
+
+ @Override
+ public ShardManager create() throws Exception {
+ return delegate.create();
+ }
+ }
+
+ private static class ForwardingShardManager extends ShardManager {
+ private CountDownLatch findPrimaryMessageReceived = new CountDownLatch(1);
+ private CountDownLatch memberUpReceived = new CountDownLatch(1);
+ private CountDownLatch memberRemovedReceived = new CountDownLatch(1);
+ private final ActorRef shardActor;
+ private final String name;
+
+ protected ForwardingShardManager(ClusterWrapper cluster, Configuration configuration,
+ DatastoreContext datastoreContext, CountDownLatch waitTillReadyCountdownLatch, String name,
+ ActorRef shardActor) {
+ super(cluster, configuration, datastoreContext, waitTillReadyCountdownLatch);
+ this.shardActor = shardActor;
+ this.name = name;
+ }
+
+ @Override
+ public void handleCommand(Object message) throws Exception {
+ try{
+ super.handleCommand(message);
+ } finally {
+ if(message instanceof FindPrimary) {
+ findPrimaryMessageReceived.countDown();
+ } else if(message instanceof ClusterEvent.MemberUp) {
+ String role = ((ClusterEvent.MemberUp)message).member().roles().head();
+ if(!getCluster().getCurrentMemberName().equals(role)) {
+ memberUpReceived.countDown();
+ }
+ } else if(message instanceof ClusterEvent.MemberRemoved) {
+ String role = ((ClusterEvent.MemberRemoved)message).member().roles().head();
+ if(!getCluster().getCurrentMemberName().equals(role)) {
+ memberRemovedReceived.countDown();
+ }
+ }
+ }
+ }
+
+ @Override
+ public String persistenceId() {
+ return name;
+ }
+
+ @Override
+ protected ActorRef newShardActor(SchemaContext schemaContext, ShardInformation info) {
+ return shardActor;
+ }
+
+ void waitForMemberUp() {
+ assertEquals("MemberUp received", true,
+ Uninterruptibles.awaitUninterruptibly(memberUpReceived, 5, TimeUnit.SECONDS));
+ memberUpReceived = new CountDownLatch(1);
+ }
+
+ void waitForMemberRemoved() {
+ assertEquals("MemberRemoved received", true,
+ Uninterruptibles.awaitUninterruptibly(memberRemovedReceived, 5, TimeUnit.SECONDS));
+ memberRemovedReceived = new CountDownLatch(1);
+ }
+
+ void verifyFindPrimary() {
+ assertEquals("FindPrimary received", true,
+ Uninterruptibles.awaitUninterruptibly(findPrimaryMessageReceived, 5, TimeUnit.SECONDS));
+ findPrimaryMessageReceived = new CountDownLatch(1);
+ }
+ }
+}