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

Example 46 with FileSystemAbstraction

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

the class LuceneSchemaIndexCorruptionTest method newFaultySchemaIndexProvider.

private LuceneSchemaIndexProvider newFaultySchemaIndexProvider(long faultyIndexId, Exception error) {
    DirectoryFactory directoryFactory = mock(DirectoryFactory.class);
    File indexRootFolder = testDirectory.graphDbDir();
    FaultyIndexStorageFactory storageFactory = new FaultyIndexStorageFactory(faultyIndexId, error, directoryFactory, indexRootFolder);
    return new LuceneSchemaIndexProvider(fs.get(), directoryFactory, indexRootFolder, logProvider, Config.defaults(), OperationalMode.single) {

        @Override
        protected IndexStorageFactory buildIndexStorageFactory(FileSystemAbstraction fileSystem, DirectoryFactory directoryFactory, File schemaIndexStoreFolder) {
            return storageFactory;
        }
    };
}

Example 47 with FileSystemAbstraction

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

the class RebuildCountsTest method shouldRebuildMissingCountsStoreOnStart.

// Indexing counts are recovered/rebuild in IndexingService.start() and are not tested here
@Test
public void shouldRebuildMissingCountsStoreOnStart() throws IOException {
    // given
    createAliensAndHumans();
    // when
    FileSystemAbstraction fs = shutdown();
    deleteCounts(fs);
    restart(fs);
    // then
    CountsTracker tracker = counts();
    assertEquals(ALIENS + HUMANS, tracker.nodeCount(-1, newDoubleLongRegister()).readSecond());
    assertEquals(ALIENS, tracker.nodeCount(labelId(ALIEN), newDoubleLongRegister()).readSecond());
    assertEquals(HUMANS, tracker.nodeCount(labelId(HUMAN), newDoubleLongRegister()).readSecond());
    // and also
    internalLogProvider.assertAtLeastOnce(inLog(MetaDataStore.class).warn("Missing counts store, rebuilding it."));
}

Example 48 with FileSystemAbstraction

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

the class RebuildCountsTest method shouldRebuildMissingCountsStoreAfterRecovery.

@Test
public void shouldRebuildMissingCountsStoreAfterRecovery() throws IOException {
    // given
    createAliensAndHumans();
    // when
    rotateLog();
    deleteHumans();
    FileSystemAbstraction fs = crash();
    deleteCounts(fs);
    restart(fs);
    // then
    CountsTracker tracker = counts();
    assertEquals(ALIENS, tracker.nodeCount(-1, newDoubleLongRegister()).readSecond());
    assertEquals(ALIENS, tracker.nodeCount(labelId(ALIEN), newDoubleLongRegister()).readSecond());
    assertEquals(0, tracker.nodeCount(labelId(HUMAN), newDoubleLongRegister()).readSecond());
    // and also
    internalLogProvider.assertAtLeastOnce(inLog(MetaDataStore.class).warn("Missing counts store, rebuilding it."));
}

Example 49 with FileSystemAbstraction

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

the class DatabaseStartupTest method startTheDatabaseWithWrongVersionShouldFailWithUpgradeNotAllowed.

@Test
public void startTheDatabaseWithWrongVersionShouldFailWithUpgradeNotAllowed() throws Throwable {
    // given
    // create a store
    File storeDir = testDirectory.graphDbDir();
    GraphDatabaseService db = new TestGraphDatabaseFactory().newEmbeddedDatabase(storeDir);
    try (Transaction tx = db.beginTx()) {
        db.createNode();
        tx.success();
    }
    db.shutdown();
    // mess up the version in the metadatastore
    try (FileSystemAbstraction fileSystem = new DefaultFileSystemAbstraction();
        PageCache pageCache = StandalonePageCacheFactory.createPageCache(fileSystem)) {
        MetaDataStore.setRecord(pageCache, new File(storeDir, MetaDataStore.DEFAULT_NAME), MetaDataStore.Position.STORE_VERSION, MetaDataStore.versionStringToLong("bad"));
    }
    // when
    try {
        new TestGraphDatabaseFactory().newEmbeddedDatabase(storeDir);
        fail("It should have failed.");
    } catch (RuntimeException ex) {
        // then
        assertTrue(ex.getCause() instanceof LifecycleException);
        assertTrue(ex.getCause().getCause() instanceof UpgradeNotAllowedByConfigurationException);
        assertEquals("Failed to start Neo4j with an older data store version. To enable automatic upgrade, " + "please set configuration parameter \"dbms.allow_format_migration=true\"", ex.getCause().getCause().getMessage());
    }
}

Example 50 with FileSystemAbstraction

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

the class CsvImporter method doImport.

@Override
public void doImport() throws IOException {
    FileSystemAbstraction fs = outsideWorld.fileSystem();
    File storeDir = config.get(DatabaseManagementSystemSettings.database_path);
    File logsDir = config.get(GraphDatabaseSettings.logs_directory);
    File reportFile = new File(reportFileName);
    OutputStream badOutput = new BufferedOutputStream(fs.openAsOutputStream(reportFile, false));
    Collector badCollector = badCollector(badOutput, isIgnoringSomething() ? BadCollector.UNLIMITED_TOLERANCE : 0, collect(ignoreBadRelationships, ignoreDuplicateNodes, ignoreExtraColumns));
    Configuration configuration = importConfiguration(null, false, config);
    CsvInput input = new CsvInput(nodeData(inputEncoding, nodesFiles), defaultFormatNodeFileHeader(), relationshipData(inputEncoding, relationshipsFiles), defaultFormatRelationshipFileHeader(), idType, csvConfiguration(args, false), badCollector, configuration.maxNumberOfProcessors());
    ImportTool.doImport(outsideWorld.errorStream(), outsideWorld.errorStream(), storeDir, logsDir, reportFile, fs, nodesFiles, relationshipsFiles, false, input, config, badOutput, configuration);
}