nl.renarj.jasdb.index.btreeplus

Class RootBlock

java.lang.Object

nl.renarj.jasdb.index.btreeplus.TreeBlock

nl.renarj.jasdb.index.btreeplus.RootBlock

All Implemented Interfaces:

Block, IndexBlock, LeaveBlock

public class RootBlock
extends TreeBlock
implements LeaveBlock

Author:

Renze de Vries

Field Summary

Fields inherited from class nl.renarj.jasdb.index.btreeplus.TreeBlock

modified, persister, treeNodes

Constructor Summary

Constructors

Constructor and Description
RootBlock(BlockPersister persister, DataBlock dataBlock, boolean isLeave)

Method Summary

Modifier and Type	Method and Description
protected void	addKeys(List<TreeNode> nodes, LeaveBlockImpl targetLeave)
boolean	contains(Key key)
LeaveBlock	findFirstLeaveBlock(LockIntentType intentType)
LeaveBlock	findLeaveBlock(LockIntentType intent, Key key)
Key	getKey(Key key)
List<Key>	getKeyRange(Key start, boolean includeStart, Key end, boolean includeEnd)
long	getParentPointer()
LeaveBlockProperties	getProperties()
BlockTypes	getType()
List<Key>	getValues()
void	insertKey(Key key)
boolean	isLeave()
protected void	removeBlockPointer(Key minBlockValue, IndexBlock removedBlock)
void	removeKey(Key key)
void	setLeave(boolean leave)
void	setParentPointer(long parentBlock)
int	size()
void	updateKey(Key key)

Methods inherited from class nl.renarj.jasdb.index.btreeplus.TreeBlock

addKey, addNodes, close, getDataBlock, getFirst, getLast, getLeftSibbling, getLockManager, getMax, getMin, getNodes, getPosition, getRightSibbling, handleBlockUnderflow, insertBlock, isModified, memorySize, reset, setModified, updateBlockPointer

Methods inherited from class java.lang.Object

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

Methods inherited from interface nl.renarj.jasdb.index.btreeplus.IndexBlock

getDataBlock, getFirst, getLast, getLockManager, isModified, memorySize, reset

Methods inherited from interface nl.renarj.jasdb.core.storage.datablocks.Block

close, getPosition

Constructor Detail

RootBlock

public RootBlock(BlockPersister persister,
                 DataBlock dataBlock,
                 boolean isLeave)

Method Detail

getParentPointer

public long getParentPointer()

Specified by:

getParentPointer in interface IndexBlock

Overrides:

getParentPointer in class TreeBlock

setParentPointer

public void setParentPointer(long parentBlock)

Specified by:

setParentPointer in interface IndexBlock

Overrides:

setParentPointer in class TreeBlock

getType

public BlockTypes getType()

Specified by:

getType in interface IndexBlock

Overrides:

getType in class TreeBlock

contains

public boolean contains(Key key)

Specified by:

contains in interface LeaveBlock

size

public int size()

Specified by:

size in interface IndexBlock

Specified by:

size in interface LeaveBlock

Overrides:

size in class TreeBlock

getKey

public Key getKey(Key key)

Specified by:

getKey in interface LeaveBlock

getProperties

public LeaveBlockProperties getProperties()

Specified by:

getProperties in interface LeaveBlock

findLeaveBlock

public LeaveBlock findLeaveBlock(LockIntentType intent,
                                 Key key)
                          throws JasDBStorageException

Specified by:

findLeaveBlock in interface IndexBlock

Overrides:

findLeaveBlock in class TreeBlock

Throws:

JasDBStorageException

findFirstLeaveBlock

public LeaveBlock findFirstLeaveBlock(LockIntentType intentType)
                               throws JasDBStorageException

Specified by:

findFirstLeaveBlock in interface IndexBlock

Overrides:

findFirstLeaveBlock in class TreeBlock

Throws:

JasDBStorageException

insertKey

public void insertKey(Key key)
               throws JasDBStorageException

Specified by:

insertKey in interface LeaveBlock

Throws:

JasDBStorageException

removeBlockPointer

protected void removeBlockPointer(Key minBlockValue,
                                  IndexBlock removedBlock)
                           throws JasDBStorageException

Overrides:

removeBlockPointer in class TreeBlock

Throws:

JasDBStorageException

updateKey

public void updateKey(Key key)
               throws JasDBStorageException

Specified by:

updateKey in interface LeaveBlock

Throws:

JasDBStorageException

removeKey

public void removeKey(Key key)
               throws JasDBStorageException

Specified by:

removeKey in interface LeaveBlock

Throws:

JasDBStorageException

getKeyRange

public List<Key> getKeyRange(Key start,
                             boolean includeStart,
                             Key end,
                             boolean includeEnd)

Specified by:

getKeyRange in interface LeaveBlock

getValues

public List<Key> getValues()

Specified by:

getValues in interface LeaveBlock

addKeys

protected void addKeys(List<TreeNode> nodes,
                       LeaveBlockImpl targetLeave)

setLeave

public void setLeave(boolean leave)

isLeave

public boolean isLeave()