Examples with RecordStorageCommandReaderFactory org.neo4j.kernel.impl.storageengine.impl.recordstorage.RecordStorageCommandReaderFactory used on opensource projects

Example 1 with RecordStorageCommandReaderFactory

use of org.neo4j.kernel.impl.storageengine.impl.recordstorage.RecordStorageCommandReaderFactory in project neo4j by neo4j.

the class IndexDefineCommandTest method shouldWriteIndexDefineCommandIfMapWithinShortRange.

@Test
public void shouldWriteIndexDefineCommandIfMapWithinShortRange() throws IOException {
    // GIVEN
    InMemoryClosableChannel channel = new InMemoryClosableChannel(10_000);
    IndexDefineCommand command = initIndexDefineCommand(300);
    // WHEN
    command.serialize(channel);
    // THEN
    CommandReader commandReader = new RecordStorageCommandReaderFactory().byVersion(LogEntryVersion.CURRENT.byteCode());
    IndexDefineCommand read = (IndexDefineCommand) commandReader.read(channel);
    assertEquals(command.getIndexNameIdRange(), read.getIndexNameIdRange());
    assertEquals(command.getKeyIdRange(), read.getKeyIdRange());
}

Example 2 with RecordStorageCommandReaderFactory

use of org.neo4j.kernel.impl.storageengine.impl.recordstorage.RecordStorageCommandReaderFactory in project neo4j by neo4j.

the class TxPullResponseDecoder method decode.

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf msg, List<Object> out) throws Exception {
    NetworkReadableClosableChannelNetty4 logChannel = new NetworkReadableClosableChannelNetty4(msg);
    StoreId storeId = StoreIdMarshal.INSTANCE.unmarshal(logChannel);
    LogEntryReader<NetworkReadableClosableChannelNetty4> reader = new VersionAwareLogEntryReader<>(new RecordStorageCommandReaderFactory());
    PhysicalTransactionCursor<NetworkReadableClosableChannelNetty4> transactionCursor = new PhysicalTransactionCursor<>(logChannel, reader);
    transactionCursor.next();
    CommittedTransactionRepresentation tx = transactionCursor.get();
    if (tx != null) {
        out.add(new TxPullResponse(storeId, tx));
    }
}

Example 3 with RecordStorageCommandReaderFactory

use of org.neo4j.kernel.impl.storageengine.impl.recordstorage.RecordStorageCommandReaderFactory in project neo4j by neo4j.

the class ReplicatedTransactionFactory method read.

public static TransactionRepresentation read(NetworkReadableClosableChannelNetty4 channel, byte[] extraHeader) throws IOException {
    LogEntryReader<ReadableClosablePositionAwareChannel> reader = new VersionAwareLogEntryReader<>(new RecordStorageCommandReaderFactory());
    int authorId = channel.getInt();
    int masterId = channel.getInt();
    long latestCommittedTxWhenStarted = channel.getLong();
    long timeStarted = channel.getLong();
    long timeCommitted = channel.getLong();
    int lockSessionId = channel.getInt();
    int headerLength = channel.getInt();
    byte[] header;
    if (headerLength == 0) {
        header = extraHeader;
    } else {
        header = new byte[headerLength];
    }
    channel.get(header, headerLength);
    LogEntryCommand entryRead;
    List<StorageCommand> commands = new LinkedList<>();
    while ((entryRead = (LogEntryCommand) reader.readLogEntry(channel)) != null) {
        commands.add(entryRead.getXaCommand());
    }
    PhysicalTransactionRepresentation tx = new PhysicalTransactionRepresentation(commands);
    tx.setHeader(header, masterId, authorId, timeStarted, latestCommittedTxWhenStarted, timeCommitted, lockSessionId);
    return tx;
}

Example 4 with RecordStorageCommandReaderFactory

use of org.neo4j.kernel.impl.storageengine.impl.recordstorage.RecordStorageCommandReaderFactory in project neo4j by neo4j.

the class ReplicatedTokenRequestSerializer method extractCommands.

static Collection<StorageCommand> extractCommands(byte[] commandBytes) {
    ByteBuf txBuffer = Unpooled.wrappedBuffer(commandBytes);
    NetworkReadableClosableChannelNetty4 channel = new NetworkReadableClosableChannelNetty4(txBuffer);
    LogEntryReader<ReadableClosablePositionAwareChannel> reader = new VersionAwareLogEntryReader<>(new RecordStorageCommandReaderFactory());
    LogEntryCommand entryRead;
    List<StorageCommand> commands = new LinkedList<>();
    try {
        while ((entryRead = (LogEntryCommand) reader.readLogEntry(channel)) != null) {
            commands.add(entryRead.getXaCommand());
        }
    } catch (IOException e) {
        // TODO: Handle or throw.
        e.printStackTrace();
    }
    return commands;
}

Example 5 with RecordStorageCommandReaderFactory

use of org.neo4j.kernel.impl.storageengine.impl.recordstorage.RecordStorageCommandReaderFactory in project neo4j by neo4j.

the class TransactionLogCatchUpWriterTest method verifyCheckpointInLog.

private void verifyCheckpointInLog() throws IOException {
    LogEntryReader<ReadableClosablePositionAwareChannel> logEntryReader = new VersionAwareLogEntryReader<>(new RecordStorageCommandReaderFactory());
    PhysicalLogFiles logFiles = new PhysicalLogFiles(storeDir, fs);
    final LatestCheckPointFinder checkPointFinder = new LatestCheckPointFinder(logFiles, fs, logEntryReader);
    LatestCheckPointFinder.LatestCheckPoint checkPoint = checkPointFinder.find(0);
    assertNotNull(checkPoint.checkPoint);
    assertTrue(checkPoint.commitsAfterCheckPoint);
}