示例#1
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @SuppressWarnings("unchecked") private SwitchToSlaveCopyThenBranch newSwitchToSlaveSpy(org.neo4j.io.pagecache.PageCache pageCacheMock, org.neo4j.com.storecopy.StoreCopyClient storeCopyClient)
        private SwitchToSlaveCopyThenBranch NewSwitchToSlaveSpy(PageCache pageCacheMock, StoreCopyClient storeCopyClient)
        {
            ClusterMembers clusterMembers = mock(typeof(ClusterMembers));
            ClusterMember  master         = mock(typeof(ClusterMember));

            when(master.StoreId).thenReturn(_storeId);
            when(master.HARole).thenReturn(HighAvailabilityModeSwitcher.MASTER);
            when(master.HasRole(eq(HighAvailabilityModeSwitcher.MASTER))).thenReturn(true);
            when(master.InstanceId).thenReturn(new InstanceId(1));
            when(clusterMembers.Members).thenReturn(asList(master));

            Dependencies         resolver             = new Dependencies();
            DatabaseAvailability databaseAvailability = mock(typeof(DatabaseAvailability));

            when(databaseAvailability.Started).thenReturn(true);
            resolver.SatisfyDependencies(_requestContextFactory, clusterMembers, mock(typeof(TransactionObligationFulfiller)), mock(typeof(OnlineBackupKernelExtension)), mock(typeof(IndexConfigStore)), mock(typeof(TransactionCommittingResponseUnpacker)), mock(typeof(DataSourceManager)), mock(typeof(StoreLockerLifecycleAdapter)), mock(typeof(FileSystemWatcherService)), databaseAvailability);

            NeoStoreDataSource dataSource = mock(typeof(NeoStoreDataSource));

            when(dataSource.StoreId).thenReturn(_storeId);
            when(dataSource.DependencyResolver).thenReturn(resolver);

            DatabaseTransactionStats transactionCounters = mock(typeof(DatabaseTransactionStats));

            when(transactionCounters.NumberOfActiveTransactions).thenReturn(0L);

            Response <HandshakeResult> response = mock(typeof(Response));

            when(response.ResponseConflict()).thenReturn(new HandshakeResult(42, 2));
            when(_masterClient.handshake(anyLong(), any(typeof(StoreId)))).thenReturn(response);
            when(_masterClient.ProtocolVersion).thenReturn(Org.Neo4j.Kernel.ha.com.slave.MasterClient_Fields.Current);

            TransactionIdStore transactionIdStoreMock = mock(typeof(TransactionIdStore));

            // note that the checksum (the second member of the array) is the same as the one in the handshake mock above
            when(transactionIdStoreMock.LastCommittedTransaction).thenReturn(new TransactionId(42, 42, 42));

            MasterClientResolver masterClientResolver = mock(typeof(MasterClientResolver));

            when(masterClientResolver.Instantiate(anyString(), anyInt(), anyString(), any(typeof(Monitors)), argThat(_storeId => true), any(typeof(LifeSupport)))).thenReturn(_masterClient);

            return(spy(new SwitchToSlaveCopyThenBranch(TestDirectory.databaseLayout(), NullLogService.Instance, ConfigMock(), mock(typeof(HaIdGeneratorFactory)), mock(typeof(DelegateInvocationHandler)), mock(typeof(ClusterMemberAvailability)), _requestContextFactory, _pullerFactory, masterClientResolver, mock(typeof(SwitchToSlave.Monitor)), storeCopyClient, Suppliers.singleton(dataSource), Suppliers.singleton(transactionIdStoreMock), slave =>
            {
                SlaveServer server = mock(typeof(SlaveServer));
                InetSocketAddress inetSocketAddress = InetSocketAddress.createUnresolved("localhost", 42);

                when(server.SocketAddress).thenReturn(inetSocketAddress);
                return server;
            }, _updatePuller, pageCacheMock, mock(typeof(Monitors)), () => transactionCounters)));
        }
示例#2
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//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private static void waitUntilAllProperlyAvailable(HighlyAvailableGraphDatabase db, Object... expected) throws InterruptedException
        private static void WaitUntilAllProperlyAvailable(HighlyAvailableGraphDatabase db, params object[] expected)
        {
            ClusterMembers            members        = Db.DependencyResolver.resolveDependency(typeof(ClusterMembers));
            long                      endTime        = currentTimeMillis() + SECONDS.toMillis(120);
            IDictionary <int, string> expectedStates = ToExpectedStatesMap(expected);

            while (currentTimeMillis() < endTime && !AllMembersAreAsExpected(members, expectedStates))
            {
                Thread.Sleep(100);
            }
            if (!AllMembersAreAsExpected(members, expectedStates))
            {
                throw new System.InvalidOperationException("Not all members available, according to " + db);
            }
        }
示例#3
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        private static bool AllMembersAreAsExpected(ClusterMembers members, IDictionary <int, string> expectedStates)
        {
            int count = 0;

            foreach (ClusterMember member in members.Members)
            {
                int    serverId     = member.InstanceId.toIntegerIndex();
                string expectedRole = expectedStates[serverId];
                bool   whatExpected = (expectedRole.Equals(UNKNOWN) || member.Alive) && member.HARole.Equals(expectedRole);
                if (!whatExpected)
                {
                    return(false);
                }
                count++;
            }
            return(count == expectedStates.Count);
        }
示例#4
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        internal virtual void CheckMyStoreIdAndMastersStoreId(StoreId myStoreId, URI masterUri)
        {
            ClusterMembers clusterMembers       = ResolveDatabaseDependency(typeof(ClusterMembers));
            InstanceId     serverId             = HighAvailabilityModeSwitcher.getServerId(masterUri);
            IEnumerable <ClusterMember> members = clusterMembers.Members;
            ClusterMember master = firstOrNull(filter(hasInstanceId(serverId), members));

            if (master == null)
            {
                throw new System.InvalidOperationException("Cannot find the master among " + members + " with master serverId=" + serverId + " and uri=" + masterUri);
            }

            StoreId masterStoreId = master.StoreId;

            if (!myStoreId.Equals(masterStoreId))
            {
                throw new MismatchingStoreIdException(myStoreId, master.StoreId);
            }
            else if (!myStoreId.EqualsByUpgradeId(master.StoreId))
            {
                throw new BranchedDataException("My store with " + myStoreId + " was updated independently from " + "master's store " + masterStoreId);
            }
        }
示例#5
0
 public HighlyAvailableKernelData(DataSourceManager dataSourceManager, ClusterMembers memberInfo, ClusterDatabaseInfoProvider databaseInfo, FileSystemAbstraction fileSystem, PageCache pageCache, File storeDir, Config config) : base(fileSystem, pageCache, storeDir, config, dataSourceManager)
 {
     this._memberInfo         = memberInfo;
     this._memberInfoProvider = databaseInfo;
 }
示例#6
0
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void whenHAModeSwitcherSwitchesToSlaveTheOtherModeSwitcherDoNotGetTheOldMasterClient() throws Throwable
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
        public virtual void WhenHAModeSwitcherSwitchesToSlaveTheOtherModeSwitcherDoNotGetTheOldMasterClient()
        {
            InstanceId me      = new InstanceId(1);
            StoreId    storeId = newStoreIdForCurrentVersion();
            HighAvailabilityMemberContext context = mock(typeof(HighAvailabilityMemberContext));

            when(context.MyId).thenReturn(me);
            AvailabilityGuard      guard        = mock(typeof(DatabaseAvailabilityGuard));
            ObservedClusterMembers members      = mock(typeof(ObservedClusterMembers));
            ClusterMember          masterMember = mock(typeof(ClusterMember));

            when(masterMember.HARole).thenReturn("master");
            when(masterMember.HasRole("master")).thenReturn(true);
            when(masterMember.InstanceId).thenReturn(new InstanceId(2));
            when(masterMember.StoreId).thenReturn(storeId);
            ClusterMember self = new ClusterMember(me);

            when(members.Members).thenReturn(Arrays.asList(self, masterMember));
            when(members.CurrentMember).thenReturn(self);
            DependencyResolver    dependencyResolver = mock(typeof(DependencyResolver));
            FileSystemAbstraction fs = mock(typeof(FileSystemAbstraction));

            when(fs.FileExists(any(typeof(File)))).thenReturn(true);
            when(dependencyResolver.ResolveDependency(typeof(FileSystemAbstraction))).thenReturn(fs);
            when(dependencyResolver.ResolveDependency(typeof(Monitors))).thenReturn(new Monitors());
            NeoStoreDataSource dataSource = mock(typeof(NeoStoreDataSource));

            when(dataSource.DependencyResolver).thenReturn(dependencyResolver);
            when(dataSource.StoreId).thenReturn(storeId);
            when(dependencyResolver.ResolveDependency(typeof(NeoStoreDataSource))).thenReturn(dataSource);
            when(dependencyResolver.ResolveDependency(typeof(TransactionIdStore))).thenReturn(new SimpleTransactionIdStore());
            when(dependencyResolver.ResolveDependency(typeof(ObservedClusterMembers))).thenReturn(members);
            UpdatePuller updatePuller = mock(typeof(UpdatePuller));

            when(updatePuller.TryPullUpdates()).thenReturn(true);
            when(dependencyResolver.ResolveDependency(typeof(UpdatePuller))).thenReturn(updatePuller);

            ClusterMemberAvailability clusterMemberAvailability = mock(typeof(ClusterMemberAvailability));
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final TriggerableClusterMemberEvents events = new TriggerableClusterMemberEvents();
            TriggerableClusterMemberEvents events = new TriggerableClusterMemberEvents();

            Election election = mock(typeof(Election));
            HighAvailabilityMemberStateMachine stateMachine = new HighAvailabilityMemberStateMachine(context, guard, members, events, election, NullLogProvider.Instance);

            ClusterMembers clusterMembers = new ClusterMembers(members, stateMachine);

            when(dependencyResolver.ResolveDependency(typeof(ClusterMembers))).thenReturn(clusterMembers);

            stateMachine.Init();
            stateMachine.Start();

//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.kernel.ha.DelegateInvocationHandler<org.neo4j.kernel.ha.com.master.Master> handler = new org.neo4j.kernel.ha.DelegateInvocationHandler<>(org.neo4j.kernel.ha.com.master.Master.class);
            DelegateInvocationHandler <Master> handler = new DelegateInvocationHandler <Master>(typeof(Master));

            MasterClientResolver masterClientResolver = mock(typeof(MasterClientResolver));
            MasterClient         masterClient         = mock(typeof(MasterClient));

            when(masterClient.ProtocolVersion).thenReturn(MasterClient214.PROTOCOL_VERSION);
            when(masterClient.Handshake(anyLong(), any(typeof(StoreId)))).thenReturn(new ResponseAnonymousInnerClass(this, storeId, mock(typeof(ResourceReleaser)), handler));
            when(masterClient.ToString()).thenReturn("TheExpectedMasterClient!");
            when(masterClientResolver.Instantiate(anyString(), anyInt(), anyString(), any(typeof(Monitors)), any(typeof(StoreId)), any(typeof(LifeSupport)))).thenReturn(masterClient);

//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.concurrent.CountDownLatch latch = new java.util.concurrent.CountDownLatch(2);
            System.Threading.CountdownEvent latch = new System.Threading.CountdownEvent(2);
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.concurrent.atomic.AtomicBoolean switchedSuccessfully = new java.util.concurrent.atomic.AtomicBoolean();
            AtomicBoolean switchedSuccessfully = new AtomicBoolean();

            SwitchToSlave.Monitor monitor = new MonitorAnonymousInnerClass(this, latch, switchedSuccessfully);

            Config config = Config.defaults(ClusterSettings.server_id, me.ToString());

            DatabaseTransactionStats transactionCounters = mock(typeof(DatabaseTransactionStats));

            when(transactionCounters.NumberOfActiveTransactions).thenReturn(0L);

            PageCache pageCacheMock = mock(typeof(PageCache));
            PagedFile pagedFileMock = mock(typeof(PagedFile));

            when(pagedFileMock.LastPageId).thenReturn(1L);
            when(pageCacheMock.Map(any(typeof(File)), anyInt())).thenReturn(pagedFileMock);

            TransactionIdStore transactionIdStoreMock = mock(typeof(TransactionIdStore));

            when(transactionIdStoreMock.LastCommittedTransaction).thenReturn(new TransactionId(0, 0, 0));
            SwitchToSlaveCopyThenBranch switchToSlave = new SwitchToSlaveCopyThenBranch(DatabaseLayout.of(new File("")), NullLogService.Instance, mock(typeof(FileSystemAbstraction)), config, mock(typeof(HaIdGeneratorFactory)), handler, mock(typeof(ClusterMemberAvailability)), mock(typeof(RequestContextFactory)), mock(typeof(PullerFactory), RETURNS_MOCKS), Iterables.empty(), masterClientResolver, monitor, new Org.Neo4j.com.storecopy.StoreCopyClientMonitor_Adapter(), Suppliers.singleton(dataSource), Suppliers.singleton(transactionIdStoreMock), slave =>
            {
                SlaveServer mock = mock(typeof(SlaveServer));
                when(mock.SocketAddress).thenReturn(new InetSocketAddress("localhost", 123));
                return(mock);
            }, updatePuller, pageCacheMock, mock(typeof(Monitors)), () => transactionCounters);

            ComponentSwitcherContainer   switcherContainer = new ComponentSwitcherContainer();
            HighAvailabilityModeSwitcher haModeSwitcher    = new HighAvailabilityModeSwitcher(switchToSlave, mock(typeof(SwitchToMaster)), election, clusterMemberAvailability, mock(typeof(ClusterClient)), storeSupplierMock(), me, switcherContainer, NeoStoreDataSourceSupplierMock(), NullLogService.Instance);

            haModeSwitcher.Init();
            haModeSwitcher.Start();
            haModeSwitcher.ListeningAt(URI.create("http://localhost:12345"));

            stateMachine.AddHighAvailabilityMemberListener(haModeSwitcher);

//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final java.util.concurrent.atomic.AtomicReference<org.neo4j.kernel.ha.com.master.Master> ref = new java.util.concurrent.atomic.AtomicReference<>(null);
            AtomicReference <Master> @ref = new AtomicReference <Master>(null);

            //noinspection unchecked
            AbstractComponentSwitcher <object> otherModeSwitcher = new AbstractComponentSwitcherAnonymousInnerClass(this, mock(typeof(DelegateInvocationHandler)), handler, latch, @ref);

            switcherContainer.Add(otherModeSwitcher);
            // When
            events.SwitchToSlave(me);

            // Then
            latch.await();
            assertTrue("mode switch failed", switchedSuccessfully.get());
            Master actual = @ref.get();

            // let's test the toString()s since there are too many wrappers of proxies
            assertEquals(masterClient.ToString(), actual.ToString());

            stateMachine.Stop();
            stateMachine.Shutdown();
            haModeSwitcher.Stop();
            haModeSwitcher.Shutdown();
        }