Examples with TransactionIdStore org.neo4j.kernel.impl.transaction.log.TransactionIdStore used on opensource projects

Example 6 with TransactionIdStore

use of org.neo4j.kernel.impl.transaction.log.TransactionIdStore in project neo4j by neo4j.

the class ApplyTransactionsCommand method run.

@Override
protected void run(Args args, PrintStream out) throws Exception {
    TransactionIdStore txIdStore = to.get().getDependencyResolver().resolveDependency(TransactionIdStore.class);
    long fromTx = txIdStore.getLastCommittedTransaction().transactionId();
    long toTx;
    if (args.orphans().isEmpty()) {
        throw new IllegalArgumentException("No tx specified");
    }
    String whereTo = args.orphans().get(0);
    if (whereTo.equals("next")) {
        toTx = fromTx + 1;
    } else if (whereTo.equals("last")) {
        toTx = Long.MAX_VALUE;
    } else {
        toTx = Long.parseLong(whereTo);
    }
    long lastApplied = applyTransactions(from, to.get(), fromTx, toTx, out);
    out.println("Applied transactions up to and including " + lastApplied);
}

Example 7 with TransactionIdStore

use of org.neo4j.kernel.impl.transaction.log.TransactionIdStore in project neo4j by neo4j.

the class RecoverConsensusLogIndex method findLastAppliedIndex.

public long findLastAppliedIndex() {
    TransactionIdStore transactionIdStore = dependencies.resolveDependency(TransactionIdStore.class);
    LogicalTransactionStore transactionStore = dependencies.resolveDependency(LogicalTransactionStore.class);
    return new LastCommittedIndexFinder(transactionIdStore, transactionStore, logProvider).getLastCommittedIndex();
}

Example 8 with TransactionIdStore

use of org.neo4j.kernel.impl.transaction.log.TransactionIdStore in project neo4j by neo4j.

the class HighAvailabilityMemberStateMachineTest method whenHAModeSwitcherSwitchesToSlaveTheOtherModeSwitcherDoNotGetTheOldMasterClient.

@Test
public void whenHAModeSwitcherSwitchesToSlaveTheOtherModeSwitcherDoNotGetTheOldMasterClient() throws Throwable {
    InstanceId me = new InstanceId(1);
    StoreId storeId = newStoreIdForCurrentVersion();
    HighAvailabilityMemberContext context = mock(HighAvailabilityMemberContext.class);
    when(context.getMyId()).thenReturn(me);
    AvailabilityGuard guard = mock(AvailabilityGuard.class);
    ObservedClusterMembers members = mock(ObservedClusterMembers.class);
    ClusterMember masterMember = mock(ClusterMember.class);
    when(masterMember.getHARole()).thenReturn("master");
    when(masterMember.hasRole("master")).thenReturn(true);
    when(masterMember.getInstanceId()).thenReturn(new InstanceId(2));
    when(masterMember.getStoreId()).thenReturn(storeId);
    ClusterMember self = new ClusterMember(me);
    when(members.getMembers()).thenReturn(Arrays.asList(self, masterMember));
    when(members.getCurrentMember()).thenReturn(self);
    DependencyResolver dependencyResolver = mock(DependencyResolver.class);
    FileSystemAbstraction fs = mock(FileSystemAbstraction.class);
    when(fs.fileExists(any(File.class))).thenReturn(true);
    when(dependencyResolver.resolveDependency(FileSystemAbstraction.class)).thenReturn(fs);
    when(dependencyResolver.resolveDependency(Monitors.class)).thenReturn(new Monitors());
    NeoStoreDataSource dataSource = mock(NeoStoreDataSource.class);
    when(dataSource.getDependencyResolver()).thenReturn(dependencyResolver);
    when(dataSource.getStoreId()).thenReturn(storeId);
    when(dependencyResolver.resolveDependency(NeoStoreDataSource.class)).thenReturn(dataSource);
    when(dependencyResolver.resolveDependency(TransactionIdStore.class)).thenReturn(new DeadSimpleTransactionIdStore());
    when(dependencyResolver.resolveDependency(ObservedClusterMembers.class)).thenReturn(members);
    UpdatePuller updatePuller = mock(UpdatePuller.class);
    when(updatePuller.tryPullUpdates()).thenReturn(true);
    when(dependencyResolver.resolveDependency(UpdatePuller.class)).thenReturn(updatePuller);
    ClusterMemberAvailability clusterMemberAvailability = mock(ClusterMemberAvailability.class);
    final TriggerableClusterMemberEvents events = new TriggerableClusterMemberEvents();
    Election election = mock(Election.class);
    HighAvailabilityMemberStateMachine stateMachine = new HighAvailabilityMemberStateMachine(context, guard, members, events, election, NullLogProvider.getInstance());
    ClusterMembers clusterMembers = new ClusterMembers(members, stateMachine);
    when(dependencyResolver.resolveDependency(ClusterMembers.class)).thenReturn(clusterMembers);
    stateMachine.init();
    stateMachine.start();
    final DelegateInvocationHandler<Master> handler = new DelegateInvocationHandler<>(Master.class);
    MasterClientResolver masterClientResolver = mock(MasterClientResolver.class);
    MasterClient masterClient = mock(MasterClient.class);
    when(masterClient.getProtocolVersion()).thenReturn(MasterClient214.PROTOCOL_VERSION);
    when(masterClient.handshake(anyLong(), any(StoreId.class))).thenReturn(new Response<HandshakeResult>(new HandshakeResult(0, 42), storeId, mock(ResourceReleaser.class)) {

        @Override
        public void accept(Handler handler) throws IOException {
        }

        @Override
        public boolean hasTransactionsToBeApplied() {
            return false;
        }
    });
    when(masterClient.toString()).thenReturn("TheExpectedMasterClient!");
    when(masterClientResolver.instantiate(anyString(), anyInt(), anyString(), any(Monitors.class), any(StoreId.class), any(LifeSupport.class))).thenReturn(masterClient);
    final CountDownLatch latch = new CountDownLatch(2);
    final AtomicBoolean switchedSuccessfully = new AtomicBoolean();
    SwitchToSlave.Monitor monitor = new SwitchToSlave.Monitor() {

        @Override
        public void switchToSlaveCompleted(boolean wasSuccessful) {
            switchedSuccessfully.set(wasSuccessful);
            latch.countDown();
        }
    };
    Config config = Config.embeddedDefaults(Collections.singletonMap(ClusterSettings.server_id.name(), me.toString()));
    TransactionStats transactionCounters = mock(TransactionStats.class);
    when(transactionCounters.getNumberOfActiveTransactions()).thenReturn(0L);
    PageCache pageCacheMock = mock(PageCache.class);
    PagedFile pagedFileMock = mock(PagedFile.class);
    when(pagedFileMock.getLastPageId()).thenReturn(1L);
    when(pageCacheMock.map(any(File.class), anyInt())).thenReturn(pagedFileMock);
    TransactionIdStore transactionIdStoreMock = mock(TransactionIdStore.class);
    when(transactionIdStoreMock.getLastCommittedTransaction()).thenReturn(new TransactionId(0, 0, 0));
    SwitchToSlaveCopyThenBranch switchToSlave = new SwitchToSlaveCopyThenBranch(new File(""), NullLogService.getInstance(), mock(FileSystemAbstraction.class), config, dependencyResolver, mock(HaIdGeneratorFactory.class), handler, mock(ClusterMemberAvailability.class), mock(RequestContextFactory.class), mock(PullerFactory.class, RETURNS_MOCKS), Iterables.empty(), masterClientResolver, monitor, new StoreCopyClient.Monitor.Adapter(), Suppliers.singleton(dataSource), Suppliers.singleton(transactionIdStoreMock), slave -> {
        SlaveServer mock = mock(SlaveServer.class);
        when(mock.getSocketAddress()).thenReturn(new InetSocketAddress("localhost", 123));
        return mock;
    }, updatePuller, pageCacheMock, mock(Monitors.class), transactionCounters);
    ComponentSwitcherContainer switcherContainer = new ComponentSwitcherContainer();
    HighAvailabilityModeSwitcher haModeSwitcher = new HighAvailabilityModeSwitcher(switchToSlave, mock(SwitchToMaster.class), election, clusterMemberAvailability, mock(ClusterClient.class), storeSupplierMock(), me, switcherContainer, neoStoreDataSourceSupplierMock(), NullLogService.getInstance());
    haModeSwitcher.init();
    haModeSwitcher.start();
    haModeSwitcher.listeningAt(URI.create("http://localhost:12345"));
    stateMachine.addHighAvailabilityMemberListener(haModeSwitcher);
    final AtomicReference<Master> ref = new AtomicReference<>(null);
    //noinspection unchecked
    AbstractComponentSwitcher<Object> otherModeSwitcher = new AbstractComponentSwitcher<Object>(mock(DelegateInvocationHandler.class)) {

        @Override
        protected Object getSlaveImpl() {
            Master master = handler.cement();
            ref.set(master);
            latch.countDown();
            return null;
        }

        @Override
        protected Object getMasterImpl() {
            return null;
        }
    };
    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();
}

Example 9 with TransactionIdStore

use of org.neo4j.kernel.impl.transaction.log.TransactionIdStore in project neo4j by neo4j.

the class UpdatePullingTransactionObligationFulfillerTest method shouldUpdateTransactionIdStoreCorrectly.

@Test
public void shouldUpdateTransactionIdStoreCorrectly() throws Throwable {
    // Given
    TransactionIdStore store1 = mock(TransactionIdStore.class);
    TransactionIdStore store2 = mock(TransactionIdStore.class);
    @SuppressWarnings("unchecked") Supplier<TransactionIdStore> supplier = mock(Supplier.class);
    when(supplier.get()).thenReturn(store1, store2);
    doAnswer(invocation -> {
        ((HighAvailabilityMemberListener) invocation.getArguments()[0]).slaveIsAvailable(new HighAvailabilityMemberChangeEvent(null, null, serverId, null));
        return null;
    }).when(machine).addHighAvailabilityMemberListener(any(HighAvailabilityMemberListener.class));
    doAnswer(invocation -> {
        ((HighAvailabilityMemberListener) invocation.getArguments()[0]).instanceStops(new HighAvailabilityMemberChangeEvent(null, null, serverId, null));
        return null;
    }).when(machine).removeHighAvailabilityMemberListener(any(HighAvailabilityMemberListener.class));
    UpdatePullingTransactionObligationFulfiller fulfiller = new UpdatePullingTransactionObligationFulfiller(updatePuller, machine, serverId, supplier);
    // When
    fulfiller.start();
    fulfiller.fulfill(1);
    fulfiller.stop();
    fulfiller.fulfill(2);
    fulfiller.start();
    fulfiller.fulfill(3);
    fulfiller.stop();
    fulfiller.fulfill(4);
    // Then
    verify(store1, times(1)).getLastClosedTransactionId();
    verify(store2, times(1)).getLastClosedTransactionId();
}

Example 10 with TransactionIdStore

use of org.neo4j.kernel.impl.transaction.log.TransactionIdStore in project neo4j by neo4j.

the class BoltFactoryImpl method start.

@Override
public void start() throws Throwable {
    DependencyResolver dependencyResolver = gds.getDependencyResolver();
    queryExecutionEngine = dependencyResolver.resolveDependency(QueryExecutionEngine.class);
    queryService = dependencyResolver.resolveDependency(GraphDatabaseQueryService.class);
    transactionIdStore = dependencyResolver.resolveDependency(TransactionIdStore.class);
    availabilityGuard = dependencyResolver.resolveDependency(AvailabilityGuard.class);
}