Top Description Inners Fields Constructors Methods

org.hsqldb.persist

public Class RAShadowFile

Class Inheritance

extends Object

java.lang.Object
org.hsqldb.persist.RAShadowFile

Imports

java.io.FileInputStream, .FileNotFoundException, .IOException, org.hsqldb.Database, org.hsqldb.lib.EventLogInterface, .HsqlByteArrayOutputStream, .InputStreamInterface, org.hsqldb.lib.java.JavaSystem, org.hsqldb.map.BitMap

Wrapper for random access file for incremental backup of the .data file.

Author: Fred Toussi (fredt@users dot sourceforge.net)
Since: 1.9.0
Version: 2.7.0

Nested and Inner Type Summary

Modifier and Type	Class and Description
pack-priv class	RAShadowFile.InputStreamShadow

Field Summary

Modifier and Type	Field and Description
pack-priv final BitMap	bitMap
pack-priv byte[]	buffer
pack-priv HsqlByteArrayOutputStream	byteArrayOutputStream
pack-priv RandomAccessInterface	dest
private static final int	headerSize
pack-priv final EventLogInterface	logger
pack-priv final long	maxSize
pack-priv final int	pageSize
pack-priv final String	pathName
pack-priv long	savedLength
pack-priv final RandomAccessInterface	source
pack-priv long	synchLength
pack-priv boolean	zeroPageSet

Constructor Summary

Access	Constructor and Description
pack-priv	RAShadowFile(EventLogInterface logger, RandomAccessInterface source, String pathName, long maxSize, int pageSize)

Method Summary

Modifier and Type	Method and Description
pack-priv void	close() Called externally after a series of copy() calls.
pack-priv int	copy(long fileOffset, int size)
private int	copy(int pageOffset)
public InputStreamInterface	getInputStream()
public long	getSavedLength()
private static RandomAccessInterface	getStorage(Database database, String pathName, String openMode)
private void	open()
public static void	restoreFile(Database database, String sourceName, String destName) todo - take account of incomplete addition of block due to lack of disk
public void	synch()

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

Field Detail

bitMap	back to summary
pack-priv final BitMap bitMap

buffer	back to summary
pack-priv byte[] buffer

byteArrayOutputStream	back to summary
pack-priv HsqlByteArrayOutputStream byteArrayOutputStream

dest	back to summary
pack-priv RandomAccessInterface dest

headerSize	back to summary
private static final int headerSize

logger	back to summary
pack-priv final EventLogInterface logger

maxSize	back to summary
pack-priv final long maxSize

pageSize	back to summary
pack-priv final int pageSize

pathName	back to summary
pack-priv final String pathName

savedLength	back to summary
pack-priv long savedLength

source	back to summary
pack-priv final RandomAccessInterface source

synchLength	back to summary
pack-priv long synchLength

zeroPageSet	back to summary
pack-priv boolean zeroPageSet

Constructor Detail

RAShadowFile	back to summary
pack-priv RAShadowFile(EventLogInterface logger, RandomAccessInterface source, String pathName, long maxSize, int pageSize)

Method Detail

close	back to summary
pack-priv void close() throws IOException Called externally after a series of copy() calls. Called internally after a restore or when error in writing

copy	back to summary
pack-priv int copy(long fileOffset, int size) throws IOException

copy	back to summary
private int copy(int pageOffset) throws IOException

getInputStream	back to summary
public InputStreamInterface getInputStream()

getSavedLength	back to summary
public long getSavedLength()

getStorage	back to summary
private static RandomAccessInterface getStorage(Database database, String pathName, String openMode) throws IOException

open	back to summary
private void open() throws IOException

restoreFile	back to summary
public static void restoreFile(Database database, String sourceName, String destName) throws IOException todo - take account of incomplete addition of block due to lack of disk

synch	back to summary
public void synch()

org.hsqldb.persist back to summary

pack-priv Class RAShadowFile.InputStreamShadow

Class Inheritance

extends Object
implements InputStreamInterface

java.lang.Object
org.hsqldb.persist.RAShadowFile.InputStreamShadow

All Implemented Interfaces

org.hsqldb.lib.InputStreamInterface

Field Summary

Modifier and Type	Field and Description
pack-priv long	fetchedSize
pack-priv boolean	initialised
pack-priv FileInputStream	is
pack-priv long	limitSize

Constructor Summary

Access	Constructor and Description
pack-priv	InputStreamShadow()

Method Summary

Modifier and Type	Method and Description
public int	available() Implements org.hsqldb.lib.InputStreamInterface.available.
public void	close() Implements org.hsqldb.lib.InputStreamInterface.close.
public long	getSizeLimit() Implements org.hsqldb.lib.InputStreamInterface.getSizeLimit. Invariant.
private void	initialise()
public int	read() Implements org.hsqldb.lib.InputStreamInterface.read.
public int	read(byte[] bytes) Implements org.hsqldb.lib.InputStreamInterface.read.
public int	read(byte[] bytes, int offset, int length) Implements org.hsqldb.lib.InputStreamInterface.read.
public void	setSizeLimit(long count) Implements org.hsqldb.lib.InputStreamInterface.setSizeLimit.
public long	skip(long count) Implements org.hsqldb.lib.InputStreamInterface.skip.

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

Field Detail

fetchedSize	back to summary
pack-priv long fetchedSize

initialised	back to summary
pack-priv boolean initialised

is	back to summary
pack-priv FileInputStream is

limitSize	back to summary
pack-priv long limitSize

Constructor Detail

InputStreamShadow	back to summary
pack-priv InputStreamShadow()

Method Detail

available	back to summary
public int available() Implements org.hsqldb.lib.InputStreamInterface.available.

close	back to summary
public void close() throws IOException Implements org.hsqldb.lib.InputStreamInterface.close.

getSizeLimit

back to summary

public long getSizeLimit()

Implements org.hsqldb.lib.InputStreamInterface.getSizeLimit.

Doc from org.hsqldb.lib.InputStreamInterface.getSizeLimit.

Invariant. Number of characters in stream, including any already read.

initialise	back to summary
private void initialise()

read	back to summary
public int read() throws IOException Implements org.hsqldb.lib.InputStreamInterface.read.

read	back to summary
public int read(byte[] bytes) throws IOException Implements org.hsqldb.lib.InputStreamInterface.read.

read	back to summary
public int read(byte[] bytes, int offset, int length) throws IOException Implements org.hsqldb.lib.InputStreamInterface.read.

setSizeLimit	back to summary
public void setSizeLimit(long count) Implements org.hsqldb.lib.InputStreamInterface.setSizeLimit.

skip	back to summary
public long skip(long count) Implements org.hsqldb.lib.InputStreamInterface.skip.