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

Example 1 with PropertyAccessor

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

the class SimpleUniquenessVerifierTest method numericIndexVerificationSomeWithDuplicates.

@Test
public void numericIndexVerificationSomeWithDuplicates() throws Exception {
    List<Object> data = asList(Integer.MAX_VALUE, Long.MAX_VALUE, 42, Long.MAX_VALUE);
    PropertyAccessor propertyAccessor = newPropertyAccessor(data);
    insert(data);
    IndexSearcher indexSearcher = spy(searcherManager.acquire());
    try {
        runUniquenessVerification(propertyAccessor, indexSearcher);
        fail("Exception expected");
    } catch (Throwable t) {
        assertThat(t, instanceOf(IndexEntryConflictException.class));
    }
    verify(indexSearcher).search(any(Query.class), any(Collector.class));
}

Example 2 with PropertyAccessor

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

the class SimpleUniquenessVerifierTest method numericIndexVerificationSomePossibleDuplicates.

@Test
public void numericIndexVerificationSomePossibleDuplicates() throws Exception {
    List<Object> data = asList(42, Long.MAX_VALUE - 1, Long.MAX_VALUE);
    PropertyAccessor propertyAccessor = newPropertyAccessor(data);
    insert(data);
    IndexSearcher indexSearcher = spy(searcherManager.acquire());
    runUniquenessVerification(propertyAccessor, indexSearcher);
    verify(indexSearcher).search(any(Query.class), any(Collector.class));
}

Example 3 with PropertyAccessor

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

the class LuceneSchemaIndexUniquenessVerificationIT method verifyUniqueness.

private void verifyUniqueness(Collection<PropertyValue> data) throws IOException, IndexEntryConflictException {
    Object[] propertyValues = data.stream().map(property -> property.value).toArray();
    PropertyAccessor propertyAccessor = new TestPropertyAccessor(propertyValues);
    index.verifyUniqueness(propertyAccessor, new int[] { PROPERTY_KEY_ID });
}

Example 4 with PropertyAccessor

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

the class IndexIT method shouldRemoveAConstraintIndexWithoutOwnerInRecovery.

@Test
public void shouldRemoveAConstraintIndexWithoutOwnerInRecovery() throws Exception {
    // given
    PropertyAccessor propertyAccessor = mock(PropertyAccessor.class);
    ConstraintIndexCreator creator = new ConstraintIndexCreator(() -> kernel, indexingService, propertyAccessor, false);
    creator.createConstraintIndex(SchemaBoundary.map(descriptor));
    // when
    restartDb();
    // then
    ReadOperations readOperations = readOperationsInNewTransaction();
    assertEquals(emptySetOf(NewIndexDescriptor.class), asSet(readOperations.indexesGetForLabel(labelId)));
    commit();
}

Example 5 with PropertyAccessor

use of org.neo4j.kernel.api.index.PropertyAccessor 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();
}