HyperSQL Database 2.7.4 · org.hsqldb.persist.Log · APIdia, the JavaDoc alternative

Modifier and Type	Field and Description
private String	backupFileName
private String	baseFileName
private DataFileCache	cache
private Database	database
private String	dataFileName
pack-priv ScriptWriterBase	dbLogWriter
private FileAccess	fa
private boolean	filesReadOnly
private boolean	isModified
private String	logFileName
private long	maxLogSize
private HsqlDatabaseProperties	properties
private String	scriptFileName
private int	writeDelay

Access	Constructor and Description
pack-priv	Log(Database db)

Method Summary

Modifier and Type	Method and Description
private boolean	checkpoint()
pack-priv void	checkpoint(Session session, boolean defrag) Performs checkpoint including pre and post operations.
pack-priv boolean	checkpointClose() Performs checkpoint including pre and post operations.
pack-priv boolean	checkpointReopen()
pack-priv void	close(boolean script) Close all the database files.
pack-priv void	closeImmediately() Fast counterpart to close().
pack-priv void	closeLog()
public boolean	defrag(Session session) Writes out all the rows to a new .data file without fragmentation.
pack-priv void	deleteBackupFile()
pack-priv void	deleteDataFile()
pack-priv static void	deleteFile(FileAccess fileAccess, String fileName)
pack-priv void	deleteLogFile()
pack-priv void	deleteNewAndOldFiles() Deletes the leftovers from any previous unfinished operations.
pack-priv void	deleteNewScriptFile()
pack-priv void	deleteOldFiles()
pack-priv void	deleteOldTempFiles()
pack-priv void	deleteTempFileDirectory()
pack-priv boolean	forceDefrag() Returns true if lost space is above the threshold percentage.
pack-priv DataFileCache	getCache() Responsible for creating the data file cache instance.
pack-priv String	getLogFileName()
pack-priv int	getWriteDelay() Write delay specifies the frequency of FileDescriptor.sync() calls.
pack-priv boolean	hasCache()
pack-priv void	initParams()
pack-priv boolean	isAnyCacheModified() Checks all the caches and returns true if the modified flag is set for any
pack-priv void	open() When opening a database, the hsqldb.compatible_version property is used to determine if this version of the engine is equal to or greater than the earliest version of the engine capable of opening that database.
pack-priv void	openLog() Wrappers for opening-starting / stopping-closing the log file and writer.
private void	processLog() Performs all the commands in the .log file.
private void	processScript() Performs all the commands in the .script file.
pack-priv boolean	renameNewDataFile()
pack-priv boolean	renameNewFile(FileAccess fileAccess, String baseFileName)
pack-priv boolean	renameNewScriptFile()
pack-priv void	setDataChangeLog()
pack-priv void	setLogSize(int megas)
private void	setModified()
pack-priv void	setWriteDelay(int delay)
pack-priv void	synchLog()
pack-priv void	writeCommitStatement(Session session)
pack-priv void	writeDeleteStatement(Session session, Table t, Object[] row)
pack-priv void	writeInsertStatement(Session session, Row row, Table t)
pack-priv void	writeOtherStatement(Session session, String s) Various writeXXX() methods are used for logging statements.
pack-priv void	writeScript(boolean full) Write the .script file as .script.new.
pack-priv void	writeSequenceStatement(Session session, NumberSequence s)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

backupFileName	back to summary
private String backupFileName

baseFileName	back to summary
private String baseFileName

cache	back to summary
private DataFileCache cache

database	back to summary
private Database database

dataFileName	back to summary
private String dataFileName

dbLogWriter	back to summary
pack-priv ScriptWriterBase dbLogWriter

fa	back to summary
private FileAccess fa

filesReadOnly	back to summary
private boolean filesReadOnly

isModified	back to summary
private boolean isModified

logFileName	back to summary
private String logFileName

maxLogSize	back to summary
private long maxLogSize

properties	back to summary
private HsqlDatabaseProperties properties

scriptFileName	back to summary
private String scriptFileName

writeDelay	back to summary
private int writeDelay

Log	back to summary
pack-priv Log(Database db)

Method Detail

checkpoint	back to summary
private boolean checkpoint()

checkpoint	back to summary
pack-priv void checkpoint(Session session, boolean defrag) Performs checkpoint including pre and post operations. Returns to the same state as before the checkpoint.

checkpointClose	back to summary
pack-priv boolean checkpointClose() Performs checkpoint including pre and post operations. Returns to the same state as before the checkpoint.

checkpointReopen	back to summary
pack-priv boolean checkpointReopen()

close	back to summary
pack-priv void close(boolean script) Close all the database files. If script argument is true, no .data or .backup file will remain and the .script file will contain all the data of the cached tables as well as memory tables. This is not used for filesReadOnly databases which use shutdown.

closeImmediately	back to summary
pack-priv void closeImmediately() Fast counterpart to close(). Does not perform a checkpoint or delete backup of the .data file.

closeLog	back to summary
pack-priv void closeLog()

defrag	back to summary
public boolean defrag(Session session) Writes out all the rows to a new .data file without fragmentation.

deleteBackupFile	back to summary
pack-priv void deleteBackupFile()

deleteDataFile	back to summary
pack-priv void deleteDataFile()

deleteFile	back to summary
pack-priv static void deleteFile(FileAccess fileAccess, String fileName)

deleteLogFile	back to summary
pack-priv void deleteLogFile()

deleteNewAndOldFiles	back to summary
pack-priv void deleteNewAndOldFiles() Deletes the leftovers from any previous unfinished operations.

deleteNewScriptFile	back to summary
pack-priv void deleteNewScriptFile()

deleteOldFiles	back to summary
pack-priv void deleteOldFiles()

deleteOldTempFiles	back to summary
pack-priv void deleteOldTempFiles()

deleteTempFileDirectory	back to summary
pack-priv void deleteTempFileDirectory()

forceDefrag	back to summary
pack-priv boolean forceDefrag() Returns true if lost space is above the threshold percentage.

getCache	back to summary
pack-priv DataFileCache getCache() Responsible for creating the data file cache instance.

getLogFileName	back to summary
pack-priv String getLogFileName()

getWriteDelay	back to summary
pack-priv int getWriteDelay() Write delay specifies the frequency of FileDescriptor.sync() calls.

hasCache	back to summary
pack-priv boolean hasCache()

initParams	back to summary
pack-priv void initParams()

isAnyCacheModified	back to summary
pack-priv boolean isAnyCacheModified() Checks all the caches and returns true if the modified flag is set for any

open	back to summary
pack-priv void open() When opening a database, the hsqldb.compatible_version property is used to determine if this version of the engine is equal to or greater than the earliest version of the engine capable of opening that database.

openLog	back to summary
pack-priv void openLog() Wrappers for opening-starting / stopping-closing the log file and writer.

processLog	back to summary
private void processLog() Performs all the commands in the .log file.

processScript	back to summary
private void processScript() Performs all the commands in the .script file.

renameNewDataFile	back to summary
pack-priv boolean renameNewDataFile()

renameNewFile	back to summary
pack-priv boolean renameNewFile(FileAccess fileAccess, String baseFileName)

renameNewScriptFile	back to summary
pack-priv boolean renameNewScriptFile()

setDataChangeLog	back to summary
pack-priv void setDataChangeLog()

setLogSize	back to summary
pack-priv void setLogSize(int megas)

setModified	back to summary
private void setModified()

setWriteDelay	back to summary
pack-priv void setWriteDelay(int delay)

synchLog	back to summary
pack-priv void synchLog()

writeCommitStatement	back to summary
pack-priv void writeCommitStatement(Session session)

writeDeleteStatement	back to summary
pack-priv void writeDeleteStatement(Session session, Table t, Object[] row)

writeInsertStatement	back to summary
pack-priv void writeInsertStatement(Session session, Row row, Table t)

writeOtherStatement	back to summary
pack-priv void writeOtherStatement(Session session, String s) Various writeXXX() methods are used for logging statements. INSERT, DELETE and SEQUENCE statements do not check log size

writeScript	back to summary
pack-priv void writeScript(boolean full) Write the .script file as .script.new.

writeSequenceStatement	back to summary
pack-priv void writeSequenceStatement(Session session, NumberSequence s)

public Class Log

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail