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Java Source Code / Java Documentation » Database DBMS » h2database » org.h2.log

Source Cross Reference

Class Diagram

Java Document (Java Doc)

java.lang .Object

org.h2.log .LogFile

LogFile

public class LogFile (Code)

Each transaction log file contains a number of log records. Header format:

 int logId (<0 means ignore: rolled back already)
 int firstUncommittedLogRecordId (-1 if none)
 int firstUnwrittenLogRecordId (-1 if none)

Record format:

 int block size
 byte 'D' (delete) / 'I' (insert) / 'C' (commit) / 
 'R' (rollback) / 'P' (prepare commit) / 'T' (truncate)
 int session
 [delete/insert only:]
 int storage
 int record.pos
 int record.blockCount
 [prepare commit only:]
 string transaction

Field Summary
final public static int	BLOCK_SIZE

Constructor Summary
	LogFile(LogSystem log, int id, String fileNamePrefix)

Method Summary
void	add(Session session, int storageId, Record record)
void	addSummary(boolean dataFile, byte[] summary)
void	addTruncate(Session session, int storageId, int recordId, int blockCount)
void	close(boolean delete)
void	commit(Session session)
void	flush()
public String	getFileName()
public long	getFileSize()
int	getFirstUncommittedPos()
public int	getId()
int	getPos()
void	go(int pos)
static LogFile	openIfLogFile(LogSystem log, String fileNamePrefix, String fileName)
void	prepareCommit(Session session, String transaction)
public void	redoAllGoEnd()
void	setFirstUncommittedPos(int firstUncommittedPos)
public void	sync()
void	truncate(int pos)
void	undo(int pos)
void	updatePreparedCommit(boolean commit, int pos, int sessionId, int blocks)

Field Detail

BLOCK_SIZE
final public static int BLOCK_SIZE(Code)

Constructor Detail

LogFile
LogFile(LogSystem log, int id, String fileNamePrefix) throws SQLException(Code)

Method Detail

add
void add(Session session, int storageId, Record record) throws SQLException(Code)

addSummary
void addSummary(boolean dataFile, byte[] summary) throws SQLException(Code)

addTruncate
void addTruncate(Session session, int storageId, int recordId, int blockCount) throws SQLException(Code)

close
void close(boolean delete) throws SQLException(Code)

commit
void commit(Session session) throws SQLException(Code)

flush
void flush() throws SQLException(Code)

getFileName
public String getFileName()(Code)

getFileSize
public long getFileSize() throws SQLException(Code)

getFirstUncommittedPos
int getFirstUncommittedPos()(Code)

getId
public int getId()(Code)

getPos
int getPos()(Code)

go
void go(int pos) throws SQLException(Code)

openIfLogFile
static LogFile openIfLogFile(LogSystem log, String fileNamePrefix, String fileName) throws SQLException(Code)

prepareCommit
void prepareCommit(Session session, String transaction) throws SQLException(Code)

redoAllGoEnd
public void redoAllGoEnd() throws SQLException(Code)

setFirstUncommittedPos
void setFirstUncommittedPos(int firstUncommittedPos) throws SQLException(Code)

sync
public void sync()(Code)

truncate
void truncate(int pos) throws SQLException(Code)

undo
void undo(int pos) throws SQLException(Code)

updatePreparedCommit
void updatePreparedCommit(boolean commit, int pos, int sessionId, int blocks) throws SQLException(Code)

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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