Examples with KernelVersionRepository org.neo4j.storageengine.api.KernelVersionRepository used on opensource projects

Example 1 with KernelVersionRepository

use of org.neo4j.storageengine.api.KernelVersionRepository in project neo4j by neo4j.

the class LogFilesBuilder method buildContext.

TransactionLogFilesContext buildContext() throws IOException {
    if (logEntryReader == null) {
        requireNonNull(commandReaderFactory);
        logEntryReader = new VersionAwareLogEntryReader(commandReaderFactory);
    }
    if (config == null) {
        config = Config.defaults();
    }
    requireNonNull(fileSystem);
    Supplier<StoreId> storeIdSupplier = getStoreId();
    Supplier<LogVersionRepository> logVersionRepositorySupplier = getLogVersionRepositorySupplier();
    LongSupplier lastCommittedIdSupplier = lastCommittedIdSupplier();
    LongSupplier committingTransactionIdSupplier = committingIdSupplier();
    Supplier<LogPosition> lastClosedTransactionPositionSupplier = closePositionSupplier();
    // Register listener for rotation threshold
    AtomicLong rotationThreshold = getRotationThresholdAndRegisterForUpdates();
    AtomicBoolean tryPreallocateTransactionLogs = getTryToPreallocateTransactionLogs();
    var nativeAccess = getNativeAccess();
    var monitors = getMonitors();
    var health = getDatabaseHealth();
    var clock = getClock();
    // Or the latest version if we can't find the system db version.
    if (kernelVersionRepository == null) {
        kernelVersionRepository = () -> KernelVersion.LATEST;
        if (dependencies != null) {
            try {
                this.kernelVersionRepository = dependencies.resolveDependency(KernelVersionRepository.class);
            } catch (UnsatisfiedDependencyException e) {
            // Use latest version if can't find version repository.
            }
        }
    }
    return new TransactionLogFilesContext(rotationThreshold, tryPreallocateTransactionLogs, logEntryReader, lastCommittedIdSupplier, committingTransactionIdSupplier, lastClosedTransactionPositionSupplier, logVersionRepositorySupplier, fileSystem, logProvider, databaseTracers, storeIdSupplier, nativeAccess, memoryTracker, monitors, config.get(fail_on_corrupted_log_files), health, kernelVersionRepository, clock, config);
}

Example 2 with KernelVersionRepository

use of org.neo4j.storageengine.api.KernelVersionRepository in project neo4j by neo4j.

the class DatabaseUpgradeTransactionHandlerTest method init.

private void init(KernelVersion initialKernelVersion, DbmsRuntimeVersion initialDbmsRuntimeVersion) {
    setKernelVersion(initialKernelVersion);
    setDbmsRuntime(initialDbmsRuntimeVersion);
    StorageEngine storageEngine = mock(StorageEngine.class);
    doAnswer(inv -> {
        KernelVersion toKernelVersion = inv.getArgument(0, KernelVersion.class);
        registeredTransactions.add(new RegisteredTransaction(toKernelVersion, true));
        return List.of(new FakeKernelVersionUpgradeCommand(toKernelVersion));
    }).when(storageEngine).createUpgradeCommands(any(), any());
    DbmsRuntimeRepository dbmsRuntimeRepository = mock(DbmsRuntimeRepository.class);
    doAnswer(inv -> currentDbmsRuntimeVersion).when(dbmsRuntimeRepository).getVersion();
    KernelVersionRepository kernelVersionRepository = this::getKernelVersion;
    DatabaseTransactionEventListeners databaseTransactionEventListeners = mock(DatabaseTransactionEventListeners.class);
    doAnswer(inv -> listener = inv.getArgument(0, InternalTransactionEventListener.class)).when(databaseTransactionEventListeners).registerTransactionEventListener(any());
    doAnswer(inv -> listenerUnregistered = true).when(databaseTransactionEventListeners).unregisterTransactionEventListener(any());
    DatabaseUpgradeTransactionHandler handler = new DatabaseUpgradeTransactionHandler(storageEngine, dbmsRuntimeRepository, kernelVersionRepository, databaseTransactionEventListeners, lock, logProvider);
    handler.registerUpgradeListener(commands -> setKernelVersion(((FakeKernelVersionUpgradeCommand) commands.iterator().next()).version));
}