Examples with LatestCheckPoint org.neo4j.kernel.recovery.LatestCheckPointFinder.LatestCheckPoint used on opensource projects

Example 6 with LatestCheckPoint

use of org.neo4j.kernel.recovery.LatestCheckPointFinder.LatestCheckPoint in project neo4j by neo4j.

the class LatestCheckPointFinderTest method oneLogFileNoCheckPointsOneStart.

@Test
public void oneLogFileNoCheckPointsOneStart() throws Throwable {
    // given
    int logVersion = endLogVersion;
    long txId = 10;
    setupLogFiles(logFile(start(), commit(txId)));
    // when
    LatestCheckPoint latestCheckPoint = finder.find(logVersion);
    // then
    assertLatestCheckPoint(false, true, txId, logVersion, latestCheckPoint);
}

Example 7 with LatestCheckPoint

use of org.neo4j.kernel.recovery.LatestCheckPointFinder.LatestCheckPoint in project neo4j by neo4j.

the class UpgradableDatabase method checkCleanShutDownByCheckPoint.

private Result checkCleanShutDownByCheckPoint(File storeDirectory) {
    // check version
    PhysicalLogFiles logFiles = new PhysicalLogFiles(storeDirectory, fs);
    LogEntryReader<ReadableClosablePositionAwareChannel> logEntryReader = new VersionAwareLogEntryReader<>();
    LatestCheckPointFinder latestCheckPointFinder = new LatestCheckPointFinder(logFiles, fs, logEntryReader);
    try {
        LatestCheckPoint latestCheckPoint = latestCheckPointFinder.find(logFiles.getHighestLogVersion());
        if (!latestCheckPoint.commitsAfterCheckPoint) {
            return new Result(Result.Outcome.ok, null, null);
        }
    } catch (IOException e) {
    // ignore exception and return db not cleanly shutdown
    }
    return new Result(Result.Outcome.storeNotCleanlyShutDown, null, null);
}

Example 8 with LatestCheckPoint

use of org.neo4j.kernel.recovery.LatestCheckPointFinder.LatestCheckPoint in project neo4j by neo4j.

the class LatestCheckPointFinderTest method olderLogFileContainingACheckPointAndNewerFileIsEmpty.

@Test
public void olderLogFileContainingACheckPointAndNewerFileIsEmpty() throws Throwable {
    // given
    StartEntry start = start();
    setupLogFiles(logFile(start, checkPoint()), logFile());
    // when
    LatestCheckPoint latestCheckPoint = finder.find(endLogVersion);
    // then
    assertLatestCheckPoint(true, false, NO_TRANSACTION_ID, startLogVersion, latestCheckPoint);
}

Example 9 with LatestCheckPoint

use of org.neo4j.kernel.recovery.LatestCheckPointFinder.LatestCheckPoint in project neo4j by neo4j.

the class LatestCheckPointFinderTest method twoLogFilesNoCheckPointsOneStart.

@Test
public void twoLogFilesNoCheckPointsOneStart() throws Throwable {
    // given
    long txId = 21;
    setupLogFiles(logFile(), logFile(start(), commit(txId)));
    // when
    LatestCheckPoint latestCheckPoint = finder.find(endLogVersion);
    // then
    assertLatestCheckPoint(false, true, txId, startLogVersion, latestCheckPoint);
}

Example 10 with LatestCheckPoint

use of org.neo4j.kernel.recovery.LatestCheckPointFinder.LatestCheckPoint in project neo4j by neo4j.

the class LatestCheckPointFinderTest method olderLogFileContainingAStartAndNewerFileContainingACheckPointPointingToALaterPositionThanStart.

@Test
public void olderLogFileContainingAStartAndNewerFileContainingACheckPointPointingToALaterPositionThanStart() throws Throwable {
    // given
    PositionEntry position = position();
    setupLogFiles(logFile(start(), commit(3), position), logFile(checkPoint(position)));
    // when
    LatestCheckPoint latestCheckPoint = finder.find(endLogVersion);
    // then
    assertLatestCheckPoint(true, false, NO_TRANSACTION_ID, endLogVersion, latestCheckPoint);
}