Examples with Database org.neo4j.kernel.database.Database used on opensource projects

Example 11 with Database

use of org.neo4j.kernel.database.Database in project neo4j by neo4j.

the class TransactionRangeDiagnosticsTest method shouldLogNoCheckpointFoundForEmptyPresentCheckpointLog.

@Test
void shouldLogNoCheckpointFoundForEmptyPresentCheckpointLog() throws IOException {
    // GIVEN
    Database database = databaseWithLogFilesContainingLowestTxId(logs(transactionLogs -> {
    }, checkpointLogsWithLastCheckpoint(0, 0, null)));
    AssertableLogProvider logProvider = new AssertableLogProvider();
    Log logger = logProvider.getLog(getClass());
    // WHEN
    new TransactionRangeDiagnostics(database).dump(logger::info);
    // THEN
    assertThat(logProvider).containsMessages("no transactions found").containsMessages("existing checkpoint log versions 0-0").containsMessages("no checkpoints found");
}

Example 12 with Database

use of org.neo4j.kernel.database.Database in project neo4j by neo4j.

the class TransactionRangeDiagnosticsTest method shouldLogCorrectTransactionLogDiagnosticsForTransactionsInSecondOldestLog.

@Test
void shouldLogCorrectTransactionLogDiagnosticsForTransactionsInSecondOldestLog() throws Exception {
    // GIVEN
    long logVersion = 2;
    long prevLogLastTxId = 45;
    Database database = databaseWithLogFilesContainingLowestTxId(logWithTransactionsInNextToOldestLog(logVersion, prevLogLastTxId));
    AssertableLogProvider logProvider = new AssertableLogProvider();
    Log logger = logProvider.getLog(getClass());
    // WHEN
    new TransactionRangeDiagnostics(database).dump(logger::info);
    // THEN
    assertThat(logProvider).containsMessages("oldest transaction " + (prevLogLastTxId + 1), "version " + (logVersion + 1)).containsMessages("no checkpoints found");
}

Example 13 with Database

use of org.neo4j.kernel.database.Database in project neo4j by neo4j.

the class TransactionRangeDiagnosticsTest method shouldLogCorrectTransactionLogDiagnosticsForTransactionsInOldestLog.

@Test
void shouldLogCorrectTransactionLogDiagnosticsForTransactionsInOldestLog() throws Exception {
    // GIVEN
    long logVersion = 2;
    long prevLogLastTxId = 45;
    Database database = databaseWithLogFilesContainingLowestTxId(logWithTransactions(logVersion, logVersion, prevLogLastTxId));
    AssertableLogProvider logProvider = new AssertableLogProvider();
    Log logger = logProvider.getLog(getClass());
    // WHEN
    new TransactionRangeDiagnostics(database).dump(logger::info);
    // THEN
    assertThat(logProvider).containsMessages("oldest transaction " + (prevLogLastTxId + 1), "version " + logVersion).containsMessages("existing transaction log versions ").containsMessages("no checkpoints found");
}

Example 14 with Database

use of org.neo4j.kernel.database.Database in project neo4j by neo4j.

the class TransactionRangeDiagnosticsTest method databaseWithLogFilesContainingLowestTxId.

private static Database databaseWithLogFilesContainingLowestTxId(LogFiles files) {
    Dependencies dependencies = mock(Dependencies.class);
    when(dependencies.resolveDependency(LogFiles.class)).thenReturn(files);
    Database database = mock(Database.class);
    when(database.getDependencyResolver()).thenReturn(dependencies);
    return database;
}

Example 15 with Database

use of org.neo4j.kernel.database.Database in project neo4j by neo4j.

the class DefaultDatabaseManager method upgradeDatabase.

@Override
public synchronized void upgradeDatabase(NamedDatabaseId namedDatabaseId) throws DatabaseNotFoundException {
    StandaloneDatabaseContext context = getDatabaseContext(namedDatabaseId).orElseThrow(() -> new DatabaseNotFoundException("Database not found: " + namedDatabaseId));
    Database database = context.database();
    log.info("Upgrading '%s'.", namedDatabaseId);
    // Clear any failed state, e.g. due to format being too old on startup.
    context.fail(null);
    try {
        database.upgrade(true);
    } catch (Throwable throwable) {
        String message = "Failed to upgrade " + namedDatabaseId;
        context.fail(throwable);
        throw new DatabaseManagementException(message, throwable);
    }
}