Examples with DependencyResolver org.neo4j.graphdb.DependencyResolver used on opensource projects

Example 6 with DependencyResolver

use of org.neo4j.graphdb.DependencyResolver in project neo4j by neo4j.

the class IndexLookupTest method setUp.

@BeforeClass
public static void setUp() {
    api = dbRule.getGraphDatabaseAPI();
    String notUsedIndexPropKey = "notUsed";
    String usedIndexPropKey = "used";
    Label usedLabel = Label.label("UsedLabel");
    Label notUsedLabel = Label.label("NotUsedLabel");
    try (Transaction transaction = api.beginTx()) {
        api.schema().indexFor(usedLabel).on(usedIndexPropKey).create();
        transaction.success();
    }
    try (Transaction transaction = api.beginTx()) {
        api.schema().awaitIndexesOnline(10, TimeUnit.SECONDS);
        indexedNodePropertyValue = "value1";
        notIndexedNodePropertyValue = "value2";
        Node nodeA = api.createNode(usedLabel);
        nodeA.setProperty(usedIndexPropKey, indexedNodePropertyValue);
        nodeA.setProperty(notUsedIndexPropKey, notIndexedNodePropertyValue);
        indexedNode = nodeA.getId();
        Node nodeB = api.createNode(notUsedLabel);
        nodeB.setProperty(usedIndexPropKey, notIndexedNodePropertyValue);
        nodeB.setProperty(notUsedIndexPropKey, indexedNodePropertyValue);
        notIndexedNode = nodeB.getId();
        transaction.success();
    }
    DependencyResolver resolver = api.getDependencyResolver();
    NeoStores neoStores = resolver.resolveDependency(RecordStorageEngine.class).testAccessNeoStores();
    SchemaStore schemaStore = neoStores.getSchemaStore();
    SchemaIndexProvider schemaIndexProvider = resolver.resolveDependency(SchemaIndexProvider.class);
    indexLookup = new IndexLookup(schemaStore, schemaIndexProvider);
    LabelTokenStore labelTokenStore = neoStores.getLabelTokenStore();
    notUsedLabelId = findTokenFor(labelTokenStore, notUsedLabel.name()).id();
    usedLabelId = findTokenFor(labelTokenStore, usedLabel.name()).id();
    PropertyKeyTokenStore propertyKeyTokenStore = neoStores.getPropertyKeyTokenStore();
    notUsedPropertyId = findTokenFor(propertyKeyTokenStore, notUsedIndexPropKey).id();
    usedPropertyId = findTokenFor(propertyKeyTokenStore, usedIndexPropKey).id();
}

Example 7 with DependencyResolver

use of org.neo4j.graphdb.DependencyResolver in project neo4j by neo4j.

the class ApplyTransactionsCommand method applyTransactions.

private long applyTransactions(File fromPath, GraphDatabaseAPI toDb, long fromTxExclusive, long toTxInclusive, PrintStream out) throws IOException, TransactionFailureException {
    DependencyResolver resolver = toDb.getDependencyResolver();
    TransactionRepresentationCommitProcess commitProcess = new TransactionRepresentationCommitProcess(resolver.resolveDependency(TransactionAppender.class), resolver.resolveDependency(StorageEngine.class));
    LifeSupport life = new LifeSupport();
    try (DefaultFileSystemAbstraction fileSystem = new DefaultFileSystemAbstraction();
        PageCache pageCache = StandalonePageCacheFactory.createPageCache(fileSystem)) {
        LogicalTransactionStore source = life.add(new ReadOnlyTransactionStore(pageCache, fileSystem, fromPath, new Monitors()));
        life.start();
        long lastAppliedTx = fromTxExclusive;
        // Some progress if there are more than a couple of transactions to apply
        ProgressListener progress = toTxInclusive - fromTxExclusive >= 100 ? textual(out).singlePart("Application progress", toTxInclusive - fromTxExclusive) : ProgressListener.NONE;
        try (IOCursor<CommittedTransactionRepresentation> cursor = source.getTransactions(fromTxExclusive + 1)) {
            while (cursor.next()) {
                CommittedTransactionRepresentation transaction = cursor.get();
                TransactionRepresentation transactionRepresentation = transaction.getTransactionRepresentation();
                try {
                    commitProcess.commit(new TransactionToApply(transactionRepresentation), NULL, EXTERNAL);
                    progress.add(1);
                } catch (final Throwable e) {
                    System.err.println("ERROR applying transaction " + transaction.getCommitEntry().getTxId());
                    throw e;
                }
                lastAppliedTx = transaction.getCommitEntry().getTxId();
                if (lastAppliedTx == toTxInclusive) {
                    break;
                }
            }
        }
        return lastAppliedTx;
    } finally {
        life.shutdown();
    }
}

Example 8 with DependencyResolver

use of org.neo4j.graphdb.DependencyResolver 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 DependencyResolver

use of org.neo4j.graphdb.DependencyResolver in project neo4j by neo4j.

the class NodeIdReuseStressIT method highestNodeId.

private static long highestNodeId(GraphDatabaseService db) {
    DependencyResolver resolver = dependencyResolver(db);
    NeoStores neoStores = resolver.resolveDependency(RecordStorageEngine.class).testAccessNeoStores();
    NodeStore nodeStore = neoStores.getNodeStore();
    return nodeStore.getHighestPossibleIdInUse();
}

Example 10 with DependencyResolver

use of org.neo4j.graphdb.DependencyResolver in project neo4j by neo4j.

the class UniqueConstraintCompatibility method resolveInternalDependency.

private <T> T resolveInternalDependency(Class<T> type) {
    @SuppressWarnings("deprecation") GraphDatabaseAPI api = (GraphDatabaseAPI) db;
    DependencyResolver resolver = api.getDependencyResolver();
    return resolver.resolveDependency(type);
}