Examples with SchemaIndexProvider org.neo4j.kernel.api.index.SchemaIndexProvider used on opensource projects

Example 6 with SchemaIndexProvider

use of org.neo4j.kernel.api.index.SchemaIndexProvider in project neo4j by neo4j.

the class BatchInsertTest method shouldRunIndexPopulationJobAtShutdown.

@Test
public void shouldRunIndexPopulationJobAtShutdown() throws Throwable {
    // GIVEN
    IndexPopulator populator = mock(IndexPopulator.class);
    SchemaIndexProvider provider = mock(SchemaIndexProvider.class);
    when(provider.getProviderDescriptor()).thenReturn(InMemoryIndexProviderFactory.PROVIDER_DESCRIPTOR);
    when(provider.getPopulator(anyLong(), any(NewIndexDescriptor.class), any(IndexSamplingConfig.class))).thenReturn(populator);
    BatchInserter inserter = newBatchInserterWithSchemaIndexProvider(singleInstanceSchemaIndexProviderFactory(InMemoryIndexProviderFactory.KEY, provider));
    inserter.createDeferredSchemaIndex(label("Hacker")).on("handle").create();
    long nodeId = inserter.createNode(map("handle", "Jakewins"), label("Hacker"));
    // WHEN
    inserter.shutdown();
    // THEN
    verify(provider).init();
    verify(provider).start();
    verify(provider).getPopulator(anyLong(), any(NewIndexDescriptor.class), any(IndexSamplingConfig.class));
    verify(populator).create();
    verify(populator).add(singletonList(IndexEntryUpdate.add(nodeId, internalIndex.schema(), "Jakewins")));
    verify(populator).verifyDeferredConstraints(any(PropertyAccessor.class));
    verify(populator).close(true);
    verify(provider).stop();
    verify(provider).shutdown();
    verifyNoMoreInteractions(populator);
}

Example 7 with SchemaIndexProvider

use of org.neo4j.kernel.api.index.SchemaIndexProvider in project neo4j by neo4j.

the class NeoStoreDataSource method start.

@Override
public void start() throws IOException {
    dependencies = new Dependencies();
    life = new LifeSupport();
    schemaIndexProvider = dependencyResolver.resolveDependency(SchemaIndexProvider.class, HighestSelectionStrategy.getInstance());
    labelScanStoreProvider = dependencyResolver.resolveDependency(LabelScanStoreProvider.class, new NamedLabelScanStoreSelectionStrategy(config));
    dependencyResolver.resolveDependency(LabelScanStoreProvider.class, new DeleteStoresFromOtherLabelScanStoreProviders(labelScanStoreProvider));
    IndexConfigStore indexConfigStore = new IndexConfigStore(storeDir, fs);
    dependencies.satisfyDependency(lockService);
    dependencies.satisfyDependency(indexConfigStore);
    life.add(indexConfigStore);
    // Monitor listeners
    LoggingLogFileMonitor loggingLogMonitor = new LoggingLogFileMonitor(msgLog);
    monitors.addMonitorListener(loggingLogMonitor);
    life.add(new Delegate(Lifecycles.multiple(indexProviders.values())));
    // Upgrade the store before we begin
    RecordFormats formats = selectStoreFormats(config, storeDir, fs, pageCache, logService);
    upgradeStore(formats);
    // Build all modules and their services
    StorageEngine storageEngine = null;
    try {
        UpdateableSchemaState updateableSchemaState = new KernelSchemaStateStore(logProvider);
        SynchronizedArrayIdOrderingQueue legacyIndexTransactionOrdering = new SynchronizedArrayIdOrderingQueue(20);
        storageEngine = buildStorageEngine(propertyKeyTokenHolder, labelTokens, relationshipTypeTokens, legacyIndexProviderLookup, indexConfigStore, updateableSchemaState::clear, legacyIndexTransactionOrdering);
        LogEntryReader<ReadableClosablePositionAwareChannel> logEntryReader = new VersionAwareLogEntryReader<>(storageEngine.commandReaderFactory());
        TransactionIdStore transactionIdStore = dependencies.resolveDependency(TransactionIdStore.class);
        LogVersionRepository logVersionRepository = dependencies.resolveDependency(LogVersionRepository.class);
        NeoStoreTransactionLogModule transactionLogModule = buildTransactionLogs(storeDir, config, logProvider, scheduler, fs, storageEngine, logEntryReader, legacyIndexTransactionOrdering, transactionIdStore, logVersionRepository);
        transactionLogModule.satisfyDependencies(dependencies);
        buildRecovery(fs, transactionIdStore, logVersionRepository, monitors.newMonitor(Recovery.Monitor.class), monitors.newMonitor(PositionToRecoverFrom.Monitor.class), transactionLogModule.logFiles(), startupStatistics, storageEngine, logEntryReader, transactionLogModule.logicalTransactionStore());
        // At the time of writing this comes from the storage engine (IndexStoreView)
        PropertyAccessor propertyAccessor = dependencies.resolveDependency(PropertyAccessor.class);
        final NeoStoreKernelModule kernelModule = buildKernel(transactionLogModule.transactionAppender(), dependencies.resolveDependency(IndexingService.class), storageEngine.storeReadLayer(), updateableSchemaState, dependencies.resolveDependency(LabelScanStore.class), storageEngine, indexConfigStore, transactionIdStore, availabilityGuard, clock, propertyAccessor);
        kernelModule.satisfyDependencies(dependencies);
        // Do these assignments last so that we can ensure no cyclical dependencies exist
        this.storageEngine = storageEngine;
        this.transactionLogModule = transactionLogModule;
        this.kernelModule = kernelModule;
        dependencies.satisfyDependency(this);
        dependencies.satisfyDependency(updateableSchemaState);
        dependencies.satisfyDependency(storageEngine.storeReadLayer());
        dependencies.satisfyDependency(logEntryReader);
        dependencies.satisfyDependency(storageEngine);
    } catch (Throwable e) {
        // Something unexpected happened during startup
        msgLog.warn("Exception occurred while setting up store modules. Attempting to close things down.", e);
        try {
            // Close the neostore, so that locks are released properly
            if (storageEngine != null) {
                storageEngine.forceClose();
            }
        } catch (Exception closeException) {
            msgLog.error("Couldn't close neostore after startup failure", closeException);
        }
        throw Exceptions.launderedException(e);
    }
    // NOTE: please make sure this is performed after having added everything to the life, in fact we would like
    // to perform the checkpointing as first step when the life is shutdown.
    life.add(lifecycleToTriggerCheckPointOnShutdown());
    try {
        life.start();
    } catch (Throwable e) {
        // Something unexpected happened during startup
        msgLog.warn("Exception occurred while starting the datasource. Attempting to close things down.", e);
        try {
            life.shutdown();
            // Close the neostore, so that locks are released properly
            storageEngine.forceClose();
        } catch (Exception closeException) {
            msgLog.error("Couldn't close neostore after startup failure", closeException);
        }
        throw Exceptions.launderedException(e);
    }
    /*
         * At this point recovery has completed and the datasource is ready for use. Whatever panic might have
         * happened before has been healed. So we can safely set the kernel health to ok.
         * This right now has any real effect only in the case of internal restarts (for example, after a store copy
         * in the case of HA). Standalone instances will have to be restarted by the user, as is proper for all
         * kernel panics.
         */
    databaseHealth.healed();
}

Example 8 with SchemaIndexProvider

use of org.neo4j.kernel.api.index.SchemaIndexProvider in project neo4j by neo4j.

the class BatchInsertTest method dbWithIndexAndSingleIndexedNode.

private long dbWithIndexAndSingleIndexedNode() throws Exception {
    IndexPopulator populator = mock(IndexPopulator.class);
    SchemaIndexProvider provider = mock(SchemaIndexProvider.class);
    when(provider.getProviderDescriptor()).thenReturn(InMemoryIndexProviderFactory.PROVIDER_DESCRIPTOR);
    when(provider.getPopulator(anyLong(), any(NewIndexDescriptor.class), any(IndexSamplingConfig.class))).thenReturn(populator);
    BatchInserter inserter = newBatchInserterWithSchemaIndexProvider(singleInstanceSchemaIndexProviderFactory(InMemoryIndexProviderFactory.KEY, provider));
    inserter.createDeferredSchemaIndex(label("Hacker")).on("handle").create();
    long nodeId = inserter.createNode(map("handle", "Jakewins"), label("Hacker"));
    inserter.shutdown();
    return nodeId;
}

Example 9 with SchemaIndexProvider

use of org.neo4j.kernel.api.index.SchemaIndexProvider in project neo4j by neo4j.

the class BatchInsertTest method shouldRunConstraintPopulationJobAtShutdown.

@Test
public void shouldRunConstraintPopulationJobAtShutdown() throws Throwable {
    // GIVEN
    IndexPopulator populator = mock(IndexPopulator.class);
    SchemaIndexProvider provider = mock(SchemaIndexProvider.class);
    when(provider.getProviderDescriptor()).thenReturn(InMemoryIndexProviderFactory.PROVIDER_DESCRIPTOR);
    when(provider.getPopulator(anyLong(), any(NewIndexDescriptor.class), any(IndexSamplingConfig.class))).thenReturn(populator);
    BatchInserter inserter = newBatchInserterWithSchemaIndexProvider(singleInstanceSchemaIndexProviderFactory(InMemoryIndexProviderFactory.KEY, provider));
    inserter.createDeferredConstraint(label("Hacker")).assertPropertyIsUnique("handle").create();
    long nodeId = inserter.createNode(map("handle", "Jakewins"), label("Hacker"));
    // WHEN
    inserter.shutdown();
    // THEN
    verify(provider).init();
    verify(provider).start();
    verify(provider).getPopulator(anyLong(), any(NewIndexDescriptor.class), any(IndexSamplingConfig.class));
    verify(populator).create();
    verify(populator).add(singletonList(IndexEntryUpdate.add(nodeId, internalUniqueIndex.schema(), "Jakewins")));
    verify(populator).verifyDeferredConstraints(any(PropertyAccessor.class));
    verify(populator).close(true);
    verify(provider).stop();
    verify(provider).shutdown();
    verifyNoMoreInteractions(populator);
}

Example 10 with SchemaIndexProvider

use of org.neo4j.kernel.api.index.SchemaIndexProvider in project neo4j by neo4j.

the class NonUniqueIndexTests method nodeIdsInIndex.

private List<Long> nodeIdsInIndex(int indexId, String value) throws Exception {
    Config config = Config.empty();
    SchemaIndexProvider indexProvider = new LuceneSchemaIndexProvider(fileSystemRule.get(), DirectoryFactory.PERSISTENT, directory.graphDbDir(), NullLogProvider.getInstance(), Config.empty(), OperationalMode.single);
    IndexSamplingConfig samplingConfig = new IndexSamplingConfig(config);
    try (IndexAccessor accessor = indexProvider.getOnlineAccessor(indexId, NewIndexDescriptorFactory.forLabel(0, 0), samplingConfig);
        IndexReader reader = accessor.newReader()) {
        return PrimitiveLongCollections.asList(reader.query(IndexQuery.exact(1, value)));
    }
}