Package com.semedy.reasoner.edb.persistentstore.bplustree

Class IndexStore

java.lang.Object

com.semedy.reasoner.edb.persistentstore.bplustree.IndexStore

public class IndexStore
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
long[]	_elementData	the memory piece where all indices are residing in a sequence

Constructor Summary

Constructors

Constructor	Description
IndexStore()
IndexStore(int size, ReasoningMonitor monitor)
IndexStore(ReasoningMonitor monitor)

Method Summary

Modifier and Type	Method	Description
void	clear()	clear the tuple store
IndexStore	clone()	clone a tuple store with the whole content
long[]	getElementData()	return the data
int	newIndex(int len)	create a new index of length len and return the address
int	newIndex(long[] buf)	create a new index and copy buf into that index and return the address
void	removeIndex(int address)	remove an index at address
int	size()	return the number of tuples

Methods inherited from class java.lang.Object

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

Field Details

_elementData

public long[] _elementData

the memory piece where all indices are residing in a sequence

Constructor Details

IndexStore

public IndexStore(ReasoningMonitor monitor)

IndexStore

public IndexStore()

IndexStore

public IndexStore(int size,
 ReasoningMonitor monitor)

Method Details

newIndex

public int newIndex(int len)
             throws IOException

create a new index of length len and return the address

Parameters:

len -

Returns:

Throws:

IOException

getElementData

public long[] getElementData()

return the data

Returns:

newIndex

public int newIndex(long[] buf)
             throws IOException

create a new index and copy buf into that index and return the address

Parameters:

buf -

Returns:

Throws:

IOException

removeIndex

public void removeIndex(int address)

remove an index at address

Parameters:

address -

size

public int size()

return the number of tuples

Returns:

clear

public void clear()

clear the tuple store

clone

public IndexStore clone()

clone a tuple store with the whole content