org.neo4j.kernel.impl.transaction.xaframework
Class LogIoUtils

java.lang.Object
  org.neo4j.kernel.impl.transaction.xaframework.LogIoUtils

public class LogIoUtils
extends Object

Constructor Summary

LogIoUtils()

Method Summary

static void	moveAllLogicalLogs(File storeDir, String subDirectoryName)
static LogEntry	readEntry(ByteBuffer buffer, ReadableByteChannel channel, XaCommandFactory cf)
static LogEntry	readLogEntry(ByteBuffer buffer, ReadableByteChannel channel, XaCommandFactory cf)
static long[]	readLogHeader(ByteBuffer buffer, ReadableByteChannel channel, boolean strict)
static long[]	readLogHeader(FileSystemAbstraction fileSystem, File file)
static byte	readNextByte(ByteBuffer buf, ReadableByteChannel channel)
static void	writeCommand(LogBuffer buffer, int identifier, XaCommand command)
static void	writeCommit(boolean twoPhase, LogBuffer buffer, int identifier, long txId, long timeWritten)
static void	writeDone(ByteBuffer buffer, int identifier)
static void	writeDone(LogBuffer buffer, int identifier)
static void	writeLogEntry(LogEntry entry, LogBuffer buffer)
static ByteBuffer	writeLogHeader(ByteBuffer buffer, long logVersion, long previousCommittedTxId)
static void	writePrepare(LogBuffer buffer, int identifier, long timeWritten)
static void	writeStart(LogBuffer buffer, int identifier, Xid xid, int masterId, int myId, long timeWritten)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LogIoUtils

public LogIoUtils()

Method Detail

readLogHeader

public static long[] readLogHeader(FileSystemAbstraction fileSystem,
                                   File file)
                            throws IOException

Throws:

IOException

readLogHeader

public static long[] readLogHeader(ByteBuffer buffer,
                                   ReadableByteChannel channel,
                                   boolean strict)
                            throws IOException

Throws:

IOException

writeLogHeader

public static ByteBuffer writeLogHeader(ByteBuffer buffer,
                                        long logVersion,
                                        long previousCommittedTxId)

readEntry

public static LogEntry readEntry(ByteBuffer buffer,
                                 ReadableByteChannel channel,
                                 XaCommandFactory cf)
                          throws IOException

Throws:

IOException

readLogEntry

public static LogEntry readLogEntry(ByteBuffer buffer,
                                    ReadableByteChannel channel,
                                    XaCommandFactory cf)
                             throws IOException,
                                    ReadPastEndException

Throws:

IOException

ReadPastEndException

writeLogEntry

public static void writeLogEntry(LogEntry entry,
                                 LogBuffer buffer)
                          throws IOException

Throws:

IOException

writePrepare

public static void writePrepare(LogBuffer buffer,
                                int identifier,
                                long timeWritten)
                         throws IOException

Throws:

IOException

writeCommit

public static void writeCommit(boolean twoPhase,
                               LogBuffer buffer,
                               int identifier,
                               long txId,
                               long timeWritten)
                        throws IOException

Throws:

IOException

writeDone

public static void writeDone(LogBuffer buffer,
                             int identifier)
                      throws IOException

Throws:

IOException

writeDone

public static void writeDone(ByteBuffer buffer,
                             int identifier)

writeStart

public static void writeStart(LogBuffer buffer,
                              int identifier,
                              Xid xid,
                              int masterId,
                              int myId,
                              long timeWritten)
                       throws IOException

Throws:

IOException

writeCommand

public static void writeCommand(LogBuffer buffer,
                                int identifier,
                                XaCommand command)
                         throws IOException

Throws:

IOException

readNextByte

public static byte readNextByte(ByteBuffer buf,
                                ReadableByteChannel channel)
                         throws IOException,
                                ReadPastEndException

Throws:

IOException

ReadPastEndException

moveAllLogicalLogs

public static void moveAllLogicalLogs(File storeDir,
                                      String subDirectoryName)