Top Description Fields Constructors Methods

org.hsqldb.persist

public Class TableSpaceManagerBlocks

Class Inheritance

extends Object
implements TableSpaceManager

java.lang.Object
org.hsqldb.persist.TableSpaceManagerBlocks

All Implemented Interfaces

org.hsqldb.persist.TableSpaceManager

Imports

org.hsqldb.error.Error, .ErrorCode, org.hsqldb.lib.DoubleIntIndex, .DoubleLongIndex, .LongLookup

Manages allocation of space for rows.

Maintains a list of free file blocks with fixed capacity.

Author: Fred Toussi (fredt@users dot sourceforge.net)
Since: 2.3.0
Version: 2.5.1

Field Summary

Modifier and Type	Field and Description
private final int	capacity
pack-priv long	currentBlockFloor
pack-priv long	currentBlockLimit
pack-priv int	fileBlockIndex
pack-priv final int	fileBlockSize
pack-priv long	freshBlockFreePos
pack-priv long	freshBlockLimit
pack-priv boolean	isInitialised
pack-priv boolean	isModified
private DoubleLongIndex	oldLargeList
private DoubleIntIndex	oldList
private long	releaseCount
private long	requestCount
private long	requestGetCount
private long	requestSize
pack-priv final int	scale
pack-priv final int	spaceID
private DoubleIntIndex	spaceList
pack-priv final DataSpaceManager	spaceManager

Constructor Summary

Access	Constructor and Description
public	TableSpaceManagerBlocks(DataSpaceManager spaceManager, int spaceId, int fileBlockSize, int capacity, int fileScale)

Method Summary

Modifier and Type	Method and Description
public void	addFileBlock(long blockFreePos, long blockLimit) Implements org.hsqldb.persist.TableSpaceManager.addFileBlock.
public int	getFileBlockIndex()
public synchronized long	getFilePosition(int rowSize) Implements org.hsqldb.persist.TableSpaceManager.getFilePosition. Returns the position of a free block or throws
public long	getLostBlocksSize() Implements org.hsqldb.persist.TableSpaceManager.getLostBlocksSize.
private long	getNewBlock(long rowSize)
private boolean	getNewMainBlock(long rowSize)
public int	getSpaceID() Implements org.hsqldb.persist.TableSpaceManager.getSpaceID.
public boolean	hasFileRoom(long blockSize) Implements org.hsqldb.persist.TableSpaceManager.hasFileRoom.
public void	initialiseFileBlock(LongLookup spaceList, long blockFreePos, long blockLimit) Implements org.hsqldb.persist.TableSpaceManager.initialiseFileBlock.
public boolean	isDefaultSpace() Implements org.hsqldb.persist.TableSpaceManager.isDefaultSpace.
public synchronized void	release(long pos, int rowSize) Implements org.hsqldb.persist.TableSpaceManager.release. Deallocates a deleted block
public void	reset() Implements org.hsqldb.persist.TableSpaceManager.reset.
private void	resetList(boolean full)
private void	resetOldList()

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

Field Detail

capacity	back to summary
private final int capacity

currentBlockFloor	back to summary
pack-priv long currentBlockFloor

currentBlockLimit	back to summary
pack-priv long currentBlockLimit

fileBlockIndex	back to summary
pack-priv int fileBlockIndex

fileBlockSize	back to summary
pack-priv final int fileBlockSize

freshBlockFreePos	back to summary
pack-priv long freshBlockFreePos

freshBlockLimit	back to summary
pack-priv long freshBlockLimit

isInitialised	back to summary
pack-priv boolean isInitialised

isModified	back to summary
pack-priv boolean isModified

oldLargeList	back to summary
private DoubleLongIndex oldLargeList

oldList	back to summary
private DoubleIntIndex oldList

releaseCount	back to summary
private long releaseCount

requestCount	back to summary
private long requestCount

requestGetCount	back to summary
private long requestGetCount

requestSize	back to summary
private long requestSize

scale	back to summary
pack-priv final int scale

spaceID	back to summary
pack-priv final int spaceID

spaceList	back to summary
private DoubleIntIndex spaceList

spaceManager	back to summary
pack-priv final DataSpaceManager spaceManager

Constructor Detail

TableSpaceManagerBlocks	back to summary
public TableSpaceManagerBlocks(DataSpaceManager spaceManager, int spaceId, int fileBlockSize, int capacity, int fileScale)

Method Detail

addFileBlock	back to summary
public void addFileBlock(long blockFreePos, long blockLimit) Implements org.hsqldb.persist.TableSpaceManager.addFileBlock.

getFileBlockIndex	back to summary
public int getFileBlockIndex()

getFilePosition

back to summary

public synchronized long getFilePosition(int rowSize)

Implements org.hsqldb.persist.TableSpaceManager.getFilePosition.

Returns the position of a free block or throws

getLostBlocksSize	back to summary
public long getLostBlocksSize() Implements org.hsqldb.persist.TableSpaceManager.getLostBlocksSize.

getNewBlock	back to summary
private long getNewBlock(long rowSize)

getNewMainBlock	back to summary
private boolean getNewMainBlock(long rowSize)

getSpaceID	back to summary
public int getSpaceID() Implements org.hsqldb.persist.TableSpaceManager.getSpaceID.

hasFileRoom	back to summary
public boolean hasFileRoom(long blockSize) Implements org.hsqldb.persist.TableSpaceManager.hasFileRoom.

initialiseFileBlock	back to summary
public void initialiseFileBlock(LongLookup spaceList, long blockFreePos, long blockLimit) Implements org.hsqldb.persist.TableSpaceManager.initialiseFileBlock.

isDefaultSpace	back to summary
public boolean isDefaultSpace() Implements org.hsqldb.persist.TableSpaceManager.isDefaultSpace.

release

back to summary

public synchronized void release(long pos, int rowSize)

Implements org.hsqldb.persist.TableSpaceManager.release.

Doc from org.hsqldb.persist.TableSpaceManager.release.

Deallocates a deleted block

reset	back to summary
public void reset() Implements org.hsqldb.persist.TableSpaceManager.reset.

resetList	back to summary
private void resetList(boolean full)

resetOldList	back to summary
private void resetOldList()