Examples with LabelScanStoreProvider org.neo4j.kernel.impl.api.scan.LabelScanStoreProvider used on opensource projects

Example 1 with LabelScanStoreProvider

use of org.neo4j.kernel.impl.api.scan.LabelScanStoreProvider in project neo4j by neo4j.

the class StoreMigration method run.

public void run(final FileSystemAbstraction fs, final File storeDirectory, Config config, LogProvider userLogProvider) throws IOException {
    StoreLogService logService = StoreLogService.withUserLogProvider(userLogProvider).inLogsDirectory(fs, storeDirectory);
    VisibleMigrationProgressMonitor progressMonitor = new VisibleMigrationProgressMonitor(logService.getUserLog(StoreMigration.class));
    LifeSupport life = new LifeSupport();
    life.add(logService);
    // Add participants from kernel extensions...
    LegacyIndexProvider legacyIndexProvider = new LegacyIndexProvider();
    Log log = userLogProvider.getLog(StoreMigration.class);
    try (PageCache pageCache = createPageCache(fs, config)) {
        Dependencies deps = new Dependencies();
        deps.satisfyDependencies(fs, config, legacyIndexProvider, pageCache, logService);
        KernelContext kernelContext = new SimpleKernelContext(storeDirectory, DatabaseInfo.UNKNOWN, deps);
        KernelExtensions kernelExtensions = life.add(new KernelExtensions(kernelContext, GraphDatabaseDependencies.newDependencies().kernelExtensions(), deps, ignore()));
        // Add the kernel store migrator
        life.start();
        SchemaIndexProvider schemaIndexProvider = kernelExtensions.resolveDependency(SchemaIndexProvider.class, HighestSelectionStrategy.getInstance());
        LabelScanStoreProvider labelScanStoreProvider = kernelExtensions.resolveDependency(LabelScanStoreProvider.class, new NamedLabelScanStoreSelectionStrategy(config));
        long startTime = System.currentTimeMillis();
        DatabaseMigrator migrator = new DatabaseMigrator(progressMonitor, fs, config, logService, schemaIndexProvider, labelScanStoreProvider, legacyIndexProvider.getIndexProviders(), pageCache, RecordFormatSelector.selectForConfig(config, userLogProvider));
        migrator.migrate(storeDirectory);
        long duration = System.currentTimeMillis() - startTime;
        log.info(format("Migration completed in %d s%n", duration / 1000));
    } catch (Exception e) {
        throw new StoreUpgrader.UnableToUpgradeException("Failure during upgrade", e);
    } finally {
        life.shutdown();
    }
}

Example 2 with LabelScanStoreProvider

use of org.neo4j.kernel.impl.api.scan.LabelScanStoreProvider in project neo4j by neo4j.

the class NamedLabelScanStoreSelectionStrategyTest method shouldSelectSpecificallyConfiguredProviderAmongMultiple.

@Test
public void shouldSelectSpecificallyConfiguredProviderAmongMultiple() throws Exception {
    // GIVEN
    NamedLabelScanStoreSelectionStrategy strategy = strategy(LabelIndex.LUCENE);
    LabelScanStoreProvider nativeProvider = provider(LabelIndex.NATIVE, store(false));
    LabelScanStoreProvider luceneProvider = provider(LabelIndex.LUCENE, store(false));
    // WHEN
    LabelScanStoreProvider selected = select(strategy, nativeProvider, luceneProvider);
    // THEN
    assertSame(luceneProvider, selected);
}

Example 3 with LabelScanStoreProvider

use of org.neo4j.kernel.impl.api.scan.LabelScanStoreProvider in project neo4j by neo4j.

the class NamedLabelScanStoreSelectionStrategyTest method shouldFailAutoSelectIfMultipleProvidersWithPresentStore.

@Test
public void shouldFailAutoSelectIfMultipleProvidersWithPresentStore() throws Exception {
    // GIVEN
    NamedLabelScanStoreSelectionStrategy strategy = strategy(LabelIndex.AUTO);
    LabelScanStoreProvider nativeProvider = provider(LabelIndex.NATIVE, store(true));
    LabelScanStoreProvider luceneProvider = provider(LabelIndex.LUCENE, store(true));
    // WHEN
    try {
        select(strategy, nativeProvider, luceneProvider);
        fail("Should've failed");
    } catch (IllegalArgumentException e) {
    // THEN good
    }
}

Example 4 with LabelScanStoreProvider

use of org.neo4j.kernel.impl.api.scan.LabelScanStoreProvider in project neo4j by neo4j.

the class NamedLabelScanStoreSelectionStrategyTest method shouldFailAutoSelectIfNoProviderWithPresentStoreAndSomeReportedIOException.

@Test
public void shouldFailAutoSelectIfNoProviderWithPresentStoreAndSomeReportedIOException() throws Exception {
    // GIVEN
    NamedLabelScanStoreSelectionStrategy strategy = strategy(LabelIndex.AUTO);
    LabelScanStoreProvider nativeProvider = provider(LabelIndex.NATIVE, store(false));
    LabelScanStoreProvider luceneProvider = provider(LabelIndex.LUCENE, store(null));
    // WHEN
    try {
        select(strategy, nativeProvider, luceneProvider);
        fail("Should've failed");
    } catch (IllegalArgumentException e) {
        // THEN good
        assertTrue(e.getCause() instanceof IOException);
    }
}

Example 5 with LabelScanStoreProvider

use of org.neo4j.kernel.impl.api.scan.LabelScanStoreProvider in project neo4j by neo4j.

the class NeoStoreDataSourceRule method getDataSource.

public NeoStoreDataSource getDataSource(File storeDir, FileSystemAbstraction fs, IdGeneratorFactory idGeneratorFactory, IdTypeConfigurationProvider idConfigurationProvider, PageCache pageCache, Config config, DatabaseHealth databaseHealth, LogService logService) {
    if (dataSource != null) {
        dataSource.stop();
        dataSource.shutdown();
    }
    StatementLocksFactory locksFactory = mock(StatementLocksFactory.class);
    StatementLocks statementLocks = mock(StatementLocks.class);
    Locks.Client locks = mock(Locks.Client.class);
    when(statementLocks.optimistic()).thenReturn(locks);
    when(statementLocks.pessimistic()).thenReturn(locks);
    when(locksFactory.newInstance()).thenReturn(statementLocks);
    JobScheduler jobScheduler = mock(JobScheduler.class, RETURNS_MOCKS);
    Monitors monitors = new Monitors();
    LabelScanStoreProvider labelScanStoreProvider = nativeLabelScanStoreProvider(storeDir, fs, pageCache, config, logService);
    SystemNanoClock clock = Clocks.nanoClock();
    dataSource = new NeoStoreDataSource(storeDir, config, idGeneratorFactory, IdReuseEligibility.ALWAYS, idConfigurationProvider, logService, mock(JobScheduler.class, RETURNS_MOCKS), mock(TokenNameLookup.class), dependencyResolverForNoIndexProvider(labelScanStoreProvider), mock(PropertyKeyTokenHolder.class), mock(LabelTokenHolder.class), mock(RelationshipTypeTokenHolder.class), locksFactory, mock(SchemaWriteGuard.class), mock(TransactionEventHandlers.class), IndexingService.NO_MONITOR, fs, mock(TransactionMonitor.class), databaseHealth, mock(PhysicalLogFile.Monitor.class), TransactionHeaderInformationFactory.DEFAULT, new StartupStatisticsProvider(), null, new CommunityCommitProcessFactory(), mock(InternalAutoIndexing.class), pageCache, new StandardConstraintSemantics(), monitors, new Tracers("null", NullLog.getInstance(), monitors, jobScheduler), mock(Procedures.class), IOLimiter.unlimited(), new AvailabilityGuard(clock, NullLog.getInstance()), clock, new CanWrite(), new StoreCopyCheckPointMutex());
    return dataSource;
}