Package fr.dyade.aaa.ext

Class NGTransaction.LogFile

java.lang.Object

java.io.RandomAccessFile

fr.dyade.aaa.ext.NGTransaction.LogFile

All Implemented Interfaces:

Closeable, DataInput, DataOutput, AutoCloseable

Enclosing class:

NGTransaction

public static class NGTransaction.LogFile
extends RandomAccessFile

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static int	BUFLEN
(package private) File	dir
(package private) int	logCounter	Number of valid operation in this log file
(package private) int	logidx	Unique index of this log file
(package private) static int	maxUsedIdx	Maximum index of existing log files

Constructor Summary

Constructors

Constructor	Description
LogFile(File dir, int logidx, String mode)	Creates a log file.

Method Summary

Modifier and Type	Method	Description
void	backup(File backupDir)
void	renameTo()

Methods inherited from class java.io.RandomAccessFile

close, getChannel, getFD, getFilePointer, length, read, read, read, readBoolean, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, seek, setLength, skipBytes, write, write, write, writeBoolean, writeByte, writeBytes, writeChar, writeChars, writeDouble, writeFloat, writeInt, writeLong, writeShort, writeUTF

Methods inherited from class java.lang.Object

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

Field Detail

logidx

int logidx

Unique index of this log file

logCounter

int logCounter

Number of valid operation in this log file

dir

File dir

maxUsedIdx

static int maxUsedIdx

Maximum index of existing log files

BUFLEN

static final int BUFLEN

See Also:

Constant Field Values

Constructor Detail

LogFile

public LogFile(File dir,
               int logidx,
               String mode)
        throws FileNotFoundException

Creates a log file.

Parameters:

dir - The directory

logidx - The log index

mode - The mode

Throws:

FileNotFoundException - some other error occurs while opening or creating the file.

Method Detail

renameTo

public void renameTo()

backup

public void backup(File backupDir)
            throws IOException

Throws:

IOException