Package fr.dyade.aaa.util

Class NTransaction.LogFile

java.lang.Object

java.io.OutputStream

java.io.ByteArrayOutputStream

fr.dyade.aaa.util.NTransaction.LogFile

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

Enclosing class:

NTransaction

static final class NTransaction.LogFile
extends ByteArrayOutputStream

Field Summary

Fields

Modifier and Type	Field	Description
(package private) int	commitCount	Number of commit operation since starting up.
(package private) int	current	Current file pointer in log
private static byte[]	emptyUTFString
(package private) int	garbageCount	Number of garbage operation since starting up.
(package private) long	garbageTime	Cumulated time of garbage operations since starting up.
(package private) long	garbageTimeOut	Maximum delay between 2 garbages.
(package private) long	lastGarbageTime	Date of last garbage.
private static String	LockPathname	Coherence lock filename
(package private) Hashtable<Object,Operation>	log	Log of all operations already committed but not reported on disk.
(package private) RandomAccessFile	logFile	log file
(package private) int	logMemorySize
private String	mode
private Repository	repository

Fields inherited from class java.io.ByteArrayOutputStream

buf, count

Constructor Summary

Constructors

Constructor	Description
LogFile(File dir, Repository repository, boolean syncOnWrite)

Method Summary

Modifier and Type	Method	Description
(package private) void	commit(Hashtable<Object,Operation> ctxlog)	Reports all buffered operations in logs.
private void	garbage()	Reports all logged operations on disk.
(package private) int	getLogFileSize()	Returns the size of disk log in bytes.
(package private) void	stop()
(package private) void	writeInt(int v)
(package private) void	writeUTF(String str)

Methods inherited from class java.io.ByteArrayOutputStream

close, reset, size, toByteArray, toString, toString, toString, toString, write, write, writeBytes, writeTo

Methods inherited from class java.io.OutputStream

flush, nullOutputStream, write

Methods inherited from class java.lang.Object

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

Field Detail

log

Hashtable<Object,Operation> log

Log of all operations already committed but not reported on disk.

logFile

RandomAccessFile logFile

log file

current

int current

Current file pointer in log

commitCount

int commitCount

Number of commit operation since starting up.

garbageCount

int garbageCount

Number of garbage operation since starting up.

garbageTime

long garbageTime

Cumulated time of garbage operations since starting up.

lastGarbageTime

long lastGarbageTime

Date of last garbage.

garbageTimeOut

long garbageTimeOut

Maximum delay between 2 garbages.

LockPathname

private static final String LockPathname

Coherence lock filename

See Also:

Constant Field Values

repository

private Repository repository

mode

private String mode

emptyUTFString

private static final byte[] emptyUTFString

logMemorySize

int logMemorySize

Constructor Detail

LogFile

LogFile(File dir,
        Repository repository,
        boolean syncOnWrite)
 throws IOException

Throws:

IOException

Method Detail

getLogFileSize

int getLogFileSize()

Returns the size of disk log in bytes.

Returns:

The size of disk log in bytes.

writeUTF

void writeUTF(String str)

writeInt

void writeInt(int v)

commit

void commit(Hashtable<Object,Operation> ctxlog)
     throws IOException

Reports all buffered operations in logs.

Parameters:

ctxlog - the local transaction log.

Throws:

IOException - an error occurs.

garbage

private final void garbage()
                    throws IOException

Reports all logged operations on disk.

Throws:

IOException - an error occurs.

stop

void stop()