net.sf.joafip.btreeplus.entity

Class FreePage

java.lang.Object

net.sf.joafip.btreeplus.entity.AbstractElement

net.sf.joafip.btreeplus.entity.FreePage

All Implemented Interfaces:

IPageRecordable, IStateStored

@NotStorableClass
public class FreePage
extends AbstractElement

Author:

luc peuvrier

Constructor Summary

Constructors

Constructor and Description
FreePage(long nextFreePage)

Method Summary

Methods

Modifier and Type	Method and Description
int	getByteSize()
int	getInParentIndex()
long	getNextFreePage()
int	getNumberOfPage() the number of pages take is fix
IPageRecordable	getParentPage()
EnumRecordType	getRecordType()
void	setParentPage(IPageRecordable parentPage, int inParentIndex)
void	updateByteSize()

Methods inherited from class net.sf.joafip.btreeplus.entity.AbstractElement

getPageRecord, getPositionInFile, getPreviousRecordPositionInFile, setPageRecord, setValueIsChangedValueToSave, setValueIsNotChanged

Methods inherited from class java.lang.Object

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

Constructor Detail

FreePage

public FreePage(long nextFreePage)

Method Detail

getRecordType

public EnumRecordType getRecordType()

getNumberOfPage

public int getNumberOfPage()

Description copied from interface: IPageRecordable

the number of pages take is fix

Returns:

number of page take by the record

updateByteSize

public void updateByteSize()

getByteSize

public int getByteSize()

Returns:

byte size of the element

getNextFreePage

public long getNextFreePage()

setParentPage

public void setParentPage(IPageRecordable parentPage,
                 int inParentIndex)
                   throws HeapException

Throws:

HeapException

getParentPage

public IPageRecordable getParentPage()
                              throws HeapException

Throws:

HeapException

getInParentIndex

public int getInParentIndex()
                     throws HeapException

Throws:

HeapException