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

Example 46 with DefaultFileSystemAbstraction

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

the class HighAvailabilityBeanTest method setup.

@Before
public void setup() throws NotCompliantMBeanException {
    fileSystem = new DefaultFileSystemAbstraction();
    kernelData = new TestHighlyAvailableKernelData();
    data = new ManagementData(bean, kernelData, ManagementSupport.load());
    when(db.getDependencyResolver()).thenReturn(dependencies);
    haBean = (HighAvailability) new HighAvailabilityBean().createMBean(data);
}

Example 47 with DefaultFileSystemAbstraction

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

the class BatchInserters method inserter.

public static BatchInserter inserter(File storeDir, Map<String, String> config, Iterable<KernelExtensionFactory<?>> kernelExtensions) throws IOException {
    DefaultFileSystemAbstraction fileSystem = createFileSystem();
    BatchInserterImpl inserter = new BatchInserterImpl(storeDir, fileSystem, config, kernelExtensions);
    return new FileSystemClosingBatchInserter(inserter, inserter, fileSystem);
}

Example 48 with DefaultFileSystemAbstraction

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

the class StoreLockChecker method check.

/**
     * Create store lock checker with lock on a provided path if it exists and writable
     * @param databaseDirectory database path
     * @return lock checker or empty closeable in case if path does not exists or is not writable
     * @throws CannotWriteException
     *
     * @see StoreLocker
     * @see Files
     */
static Closeable check(Path databaseDirectory) throws CannotWriteException {
    Path lockFile = databaseDirectory.resolve(StoreLocker.STORE_LOCK_FILENAME);
    if (Files.exists(lockFile)) {
        if (Files.isWritable(lockFile)) {
            StoreLockChecker storeLocker = new StoreLockChecker(new DefaultFileSystemAbstraction());
            storeLocker.checkLock(databaseDirectory.toFile());
            return storeLocker;
        } else {
            throw new CannotWriteException(lockFile);
        }
    }
    return () -> {
    };
}

Example 49 with DefaultFileSystemAbstraction

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

the class VersionCommand method execute.

@Override
public void execute(String[] args) throws IncorrectUsage, CommandFailed {
    final Path storeDir = arguments.parseMandatoryPath("store", args);
    Validators.CONTAINS_EXISTING_DATABASE.validate(storeDir.toFile());
    try (DefaultFileSystemAbstraction fileSystem = new DefaultFileSystemAbstraction();
        PageCache pageCache = StandalonePageCacheFactory.createPageCache(fileSystem)) {
        final String storeVersion = new StoreVersionCheck(pageCache).getVersion(storeDir.resolve(MetaDataStore.DEFAULT_NAME).toFile()).orElseThrow(() -> new CommandFailed(String.format("Could not find version metadata in store '%s'", storeDir)));
        final String fmt = "%-25s%s";
        out.accept(String.format(fmt, "Store format version:", storeVersion));
        RecordFormats format = RecordFormatSelector.selectForVersion(storeVersion);
        out.accept(String.format(fmt, "Introduced in version:", format.introductionVersion()));
        findSuccessor(format).map(next -> String.format(fmt, "Superseded in version:", next.introductionVersion())).ifPresent(out);
        out.accept(String.format(fmt, "Current version:", Version.getNeo4jVersion()));
    } catch (IOException e) {
        throw new CommandFailed(e.getMessage(), e);
    }
}

Example 50 with DefaultFileSystemAbstraction

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

the class DumpCommandTest method shouldRespectTheStoreLock.

@Test
public void shouldRespectTheStoreLock() throws Exception {
    Path databaseDirectory = homeDir.resolve("data/databases/foo.db");
    try (FileSystemAbstraction fileSystem = new DefaultFileSystemAbstraction();
        StoreLocker storeLocker = new StoreLocker(fileSystem)) {
        storeLocker.checkLock(databaseDirectory.toFile());
        execute("foo.db");
        fail("expected exception");
    } catch (CommandFailed e) {
        assertThat(e.getMessage(), equalTo("the database is in use -- stop Neo4j and try again"));
    }
}