Examples with LogFiles org.neo4j.kernel.impl.transaction.log.files.LogFiles used on opensource projects

Example 36 with LogFiles

use of org.neo4j.kernel.impl.transaction.log.files.LogFiles in project neo4j by neo4j.

the class DatabaseFileListingTest method shouldCloseIndexSnapshots.

@Test
void shouldCloseIndexSnapshots() throws Exception {
    // Given
    IndexingService indexingService = mock(IndexingService.class);
    DatabaseLayout databaseLayout = mock(DatabaseLayout.class);
    when(databaseLayout.metadataStore()).thenReturn(mock(Path.class));
    LogFiles logFiles = mock(LogFiles.class);
    filesInStoreDirAre(databaseLayout, STANDARD_STORE_DIR_FILES, STANDARD_STORE_DIR_DIRECTORIES);
    StorageEngine storageEngine = mock(StorageEngine.class);
    IdGeneratorFactory idGeneratorFactory = mock(IdGeneratorFactory.class);
    DatabaseFileListing fileListing = new DatabaseFileListing(databaseLayout, logFiles, indexingService, storageEngine, idGeneratorFactory);
    ResourceIterator<Path> indexSnapshot = indexFilesAre(indexingService, new String[] { "schema/index/my.index" });
    ResourceIterator<StoreFileMetadata> result = fileListing.builder().excludeLogFiles().build();
    // When
    result.close();
    // Then
    verify(indexSnapshot).close();
}

Example 37 with LogFiles

use of org.neo4j.kernel.impl.transaction.log.files.LogFiles in project neo4j by neo4j.

the class DatabaseFileListingTest method verifyLogFilesWithCustomPathListing.

private void verifyLogFilesWithCustomPathListing(Path path) throws IOException {
    DatabaseManagementService managementService = new TestDatabaseManagementServiceBuilder(testDirectory.homePath("customDb")).setConfig(GraphDatabaseSettings.transaction_logs_root_path, path).build();
    GraphDatabaseAPI graphDatabase = (GraphDatabaseAPI) managementService.database(DEFAULT_DATABASE_NAME);
    Database database = graphDatabase.getDependencyResolver().resolveDependency(Database.class);
    LogFiles logFiles = graphDatabase.getDependencyResolver().resolveDependency(LogFiles.class);
    assertTrue(database.listStoreFiles(true).stream().anyMatch(metadata -> metadata.isLogFile() && logFiles.isLogFile(metadata.path())));
    assertEquals(path.getFileName().toString(), logFiles.logFilesDirectory().getParent().getFileName().toString());
    managementService.shutdown();
}

Example 38 with LogFiles

use of org.neo4j.kernel.impl.transaction.log.files.LogFiles in project neo4j by neo4j.

the class CheckPointerIntegrationTest method checkPointsInTxLog.

private static List<CheckpointInfo> checkPointsInTxLog(GraphDatabaseService db) throws IOException {
    DependencyResolver dependencyResolver = ((GraphDatabaseAPI) db).getDependencyResolver();
    LogFiles logFiles = dependencyResolver.resolveDependency(LogFiles.class);
    return logFiles.getCheckpointFile().reachableCheckpoints();
}

Example 39 with LogFiles

use of org.neo4j.kernel.impl.transaction.log.files.LogFiles in project neo4j by neo4j.

the class VersionAwareLogEntryReaderIT method correctlyResetPositionWhenEndOfCommandsReached.

@Test
void correctlyResetPositionWhenEndOfCommandsReached() throws IOException {
    LogFiles logFiles = LogFilesBuilder.builder(databaseLayout, fs).withLogEntryReader(entryReader).withLogVersionRepository(new SimpleLogVersionRepository()).withTransactionIdStore(new SimpleTransactionIdStore()).withStoreId(StoreId.UNKNOWN).build();
    try (Lifespan lifespan = new Lifespan(logFiles)) {
        LogPosition logPosition = entryReader.lastPosition();
        assertEquals(0L, logPosition.getLogVersion());
        // this position in a log file before 0's are actually starting
        assertEquals(END_OF_DATA_OFFSET, logPosition.getByteOffset());
        for (int i = 0; i < 10; i++) {
            assertEquals(END_OF_DATA_OFFSET, getLastReadablePosition(logFiles));
        }
    }
}

Example 40 with LogFiles

use of org.neo4j.kernel.impl.transaction.log.files.LogFiles in project neo4j by neo4j.

the class VersionAwareLogEntryReaderIT method readOnlyLogFilesWhileCommandsAreAvailable.

@Test
@EnabledOnOs(OS.LINUX)
void readOnlyLogFilesWhileCommandsAreAvailable() throws IOException {
    LogFiles logFiles = LogFilesBuilder.builder(databaseLayout, fs).withLogEntryReader(entryReader).withLogVersionRepository(new SimpleLogVersionRepository()).withTransactionIdStore(new SimpleTransactionIdStore()).withStoreId(StoreId.UNKNOWN).build();
    try (Lifespan lifespan = new Lifespan(logFiles)) {
        assertEquals(kibiBytes(128), Files.size(logFiles.getLogFile().getHighestLogFile()));
        LogPosition logPosition = entryReader.lastPosition();
        assertEquals(0L, logPosition.getLogVersion());
        // this position in a log file before 0's are actually starting
        assertEquals(END_OF_DATA_OFFSET, logPosition.getByteOffset());
    }
}