org.apache.directory.server.log
Class LogAnchor

java.lang.Object
  org.apache.directory.server.log.LogAnchor

public class LogAnchor
extends Object

Implements a pointer in to the log files

Author:

Apache Directory Project

Field Summary

static long	MIN_LOG_NUMBER Min log file number
static long	MIN_LOG_OFFSET Min log file offset
static long	UNKNOWN_LSN Invalid/unknown lsn.

Constructor Summary

LogAnchor()

LogAnchor(long logFileNumber, long logFileOffset, long logLSN)

Method Summary

long	getLogFileNumber()
long	getLogFileOffset()
long	getLogLSN()
void	resetLogAnchor(LogAnchor logAnchor)
void	resetLogAnchor(long logFileNumber, long logFileOffset, long logLSN)

Methods inherited from class java.lang.Object

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

Field Detail

UNKNOWN_LSN

public static final long UNKNOWN_LSN

Invalid/unknown lsn. Log LSN starts at UNKNOWN_LSN + 1 and is ever increasing

See Also:

Constant Field Values

MIN_LOG_NUMBER

public static final long MIN_LOG_NUMBER

Min log file number

See Also:

Constant Field Values

MIN_LOG_OFFSET

public static final long MIN_LOG_OFFSET

Min log file offset

See Also:

Constant Field Values

Constructor Detail

LogAnchor

public LogAnchor()

LogAnchor

public LogAnchor(long logFileNumber,
                 long logFileOffset,
                 long logLSN)

Method Detail

resetLogAnchor

public void resetLogAnchor(long logFileNumber,
                           long logFileOffset,
                           long logLSN)

resetLogAnchor

public void resetLogAnchor(LogAnchor logAnchor)

getLogFileNumber

public long getLogFileNumber()

getLogFileOffset

public long getLogFileOffset()

getLogLSN

public long getLogLSN()