Examples with DefaultFileSystemAbstraction org.neo4j.io.fs.DefaultFileSystemAbstraction used on opensource projects

Example 71 with DefaultFileSystemAbstraction

use of org.neo4j.io.fs.DefaultFileSystemAbstraction in project neo4j by neo4j.

the class DumpCommand method execute.

@Override
public void execute() {
    var databaseName = database.name();
    Path archive = buildArchivePath(databaseName, to.toAbsolutePath());
    var memoryTracker = EmptyMemoryTracker.INSTANCE;
    Config config = CommandHelpers.buildConfig(ctx, allowCommandExpansion);
    DatabaseLayout databaseLayout = Neo4jLayout.of(config).databaseLayout(databaseName);
    try {
        Validators.CONTAINS_EXISTING_DATABASE.validate(databaseLayout.databaseDirectory());
    } catch (IllegalArgumentException e) {
        throw new CommandFailedException("Database does not exist: " + databaseName, e);
    }
    try (FileSystemAbstraction fileSystem = new DefaultFileSystemAbstraction()) {
        if (fileSystem.fileExists(databaseLayout.file(StoreUpgrader.MIGRATION_DIRECTORY))) {
            throw new CommandFailedException("Store migration folder detected - A dump can not be taken during a store migration. Make sure " + "store migration is completed before trying again.");
        }
    } catch (IOException e) {
        wrapIOException(e);
    }
    try (Closeable ignored = LockChecker.checkDatabaseLock(databaseLayout)) {
        checkDbState(databaseLayout, config, memoryTracker);
        dump(databaseLayout, archive);
    } catch (FileLockException e) {
        throw new CommandFailedException("The database is in use. Stop database '" + databaseName + "' and try again.", e);
    } catch (IOException e) {
        wrapIOException(e);
    } catch (CannotWriteException e) {
        throw new CommandFailedException("You do not have permission to dump the database.", e);
    }
}

Example 72 with DefaultFileSystemAbstraction

use of org.neo4j.io.fs.DefaultFileSystemAbstraction in project neo4j by neo4j.

the class Recovery method performRecovery.

/**
 * Performs recovery of database described by provided layout.
 * Transaction logs should be located in their default location.
 * If recovery is not required nothing will be done to the the database or logs.
 * Note: used by external tools.
 * @param databaseLayout database to recover layout.
 * @param tracers underlying events tracers.
 * @throws IOException on any unexpected I/O exception encountered during recovery.
 */
public static void performRecovery(DatabaseLayout databaseLayout, DatabaseTracers tracers, MemoryTracker memoryTracker) throws Exception {
    requireNonNull(databaseLayout);
    Config config = defaults();
    try (DefaultFileSystemAbstraction fs = new DefaultFileSystemAbstraction();
        JobScheduler jobScheduler = JobSchedulerFactory.createInitialisedScheduler();
        PageCache pageCache = getPageCache(config, fs, jobScheduler)) {
        performRecovery(fs, pageCache, tracers, config, databaseLayout, memoryTracker);
    }
}

Example 73 with DefaultFileSystemAbstraction

use of org.neo4j.io.fs.DefaultFileSystemAbstraction in project neo4j by neo4j.

the class Recovery method isRecoveryRequired.

/**
 * Check if recovery is required for a store described by provided layout.
 * Custom root location for transaction logs can be provided using {@link GraphDatabaseSettings#transaction_logs_root_path} config setting value.
 * @param databaseLayout layout of database to check for recovery
 * @param config custom configuration
 * @return true if recovery is required, false otherwise.
 * @throws IOException on any unexpected I/O exception encountered during recovery.
 */
public static boolean isRecoveryRequired(DatabaseLayout databaseLayout, Config config, MemoryTracker memoryTracker) throws Exception {
    requireNonNull(databaseLayout);
    requireNonNull(config);
    try (DefaultFileSystemAbstraction fs = new DefaultFileSystemAbstraction()) {
        return isRecoveryRequired(fs, databaseLayout, config, memoryTracker);
    }
}

Example 74 with DefaultFileSystemAbstraction

use of org.neo4j.io.fs.DefaultFileSystemAbstraction in project neo4j by neo4j.

the class NeoBootstrapper method setupLogging.

private static Log4jLogProvider setupLogging(Config config) {
    LogConfig.Builder builder = LogConfig.createBuilder(new DefaultFileSystemAbstraction(), config.get(GraphDatabaseSettings.store_user_log_path), config.get(GraphDatabaseSettings.store_internal_log_level)).withTimezone(config.get(GraphDatabaseSettings.db_timezone)).withFormat(config.get(GraphDatabaseSettings.store_user_log_format)).withCategory(false).withRotation(config.get(GraphDatabaseSettings.store_user_log_rotation_threshold), config.get(GraphDatabaseSettings.store_user_log_max_archives));
    if (config.get(GraphDatabaseSettings.store_user_log_to_stdout)) {
        builder.logToSystemOut();
    }
    Neo4jLoggerContext ctx = builder.build();
    Log4jLogProvider userLogProvider = new Log4jLogProvider(ctx);
    JULBridge.resetJUL();
    Logger.getLogger("").setLevel(Level.WARNING);
    JULBridge.forwardTo(userLogProvider);
    JettyLogBridge.setLogProvider(userLogProvider);
    return userLogProvider;
}

Example 75 with DefaultFileSystemAbstraction

use of org.neo4j.io.fs.DefaultFileSystemAbstraction in project neo4j by neo4j.

the class BatchInserters method inserter.

/**
 * Get a {@link BatchInserter} given a store directory.
 *
 * @param databaseLayout directory where particular neo4j database is located
 * @return a new {@link BatchInserter}
 * @throws IOException if there is an IO error
 */
public static BatchInserter inserter(DatabaseLayout databaseLayout) throws IOException {
    DefaultFileSystemAbstraction fileSystem = createFileSystem();
    BatchInserter batchInserter = inserter(databaseLayout, fileSystem, Config.defaults());
    return new FileSystemClosingBatchInserter(batchInserter, fileSystem);
}