Package com.db4o.internal.freespace

Class NullFreespaceManager

java.lang.Object

com.db4o.internal.freespace.NullFreespaceManager

All Implemented Interfaces:

FreespaceManager

public class NullFreespaceManager
extends java.lang.Object
implements FreespaceManager

Field Summary

Fields

Modifier and Type	Field	Description
static FreespaceManager	INSTANCE

Method Summary

Modifier and Type	Method	Description
Slot	allocateSafeSlot(int length)
Slot	allocateSlot(int length)
Slot	allocateTransactionLogSlot(int length)
void	beginCommit()
void	commit()
void	endCommit()
void	free(Slot slot)
void	freeSafeSlot(Slot slot)
void	freeSelf()
boolean	isStarted()
void	listener(FreespaceListener listener)
void	migrateTo(FreespaceManager fm)
void	read(LocalObjectContainer container, Slot slot)
int	slotCount()
void	slotFreed(Slot slot)
void	start(int id)
byte	systemType()
int	totalFreespace()
void	traverse(Visitor4<Slot> visitor)
void	write(LocalObjectContainer container)

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final FreespaceManager INSTANCE

Method Detail

allocateSlot

public Slot allocateSlot(int length)

Specified by:

allocateSlot in interface FreespaceManager

allocateSafeSlot

public Slot allocateSafeSlot(int length)

Specified by:

allocateSafeSlot in interface FreespaceManager

beginCommit

public void beginCommit()

Specified by:

beginCommit in interface FreespaceManager

commit

public void commit()

Specified by:

commit in interface FreespaceManager

endCommit

public void endCommit()

Specified by:

endCommit in interface FreespaceManager

free

public void free(Slot slot)

Specified by:

free in interface FreespaceManager

freeSelf

public void freeSelf()

Specified by:

freeSelf in interface FreespaceManager

freeSafeSlot

public void freeSafeSlot(Slot slot)

Specified by:

freeSafeSlot in interface FreespaceManager

listener

public void listener(FreespaceListener listener)

Specified by:

listener in interface FreespaceManager

migrateTo

public void migrateTo(FreespaceManager fm)

Specified by:

migrateTo in interface FreespaceManager

slotCount

public int slotCount()

Specified by:

slotCount in interface FreespaceManager

slotFreed

public void slotFreed(Slot slot)

Specified by:

slotFreed in interface FreespaceManager

start

public void start(int id)

Specified by:

start in interface FreespaceManager

systemType

public byte systemType()

Specified by:

systemType in interface FreespaceManager

totalFreespace

public int totalFreespace()

Specified by:

totalFreespace in interface FreespaceManager

traverse

public void traverse(Visitor4<Slot> visitor)

Specified by:

traverse in interface FreespaceManager

write

public void write(LocalObjectContainer container)

Specified by:

write in interface FreespaceManager

isStarted

public boolean isStarted()

Specified by:

isStarted in interface FreespaceManager

allocateTransactionLogSlot

public Slot allocateTransactionLogSlot(int length)

Specified by:

allocateTransactionLogSlot in interface FreespaceManager

read

public void read(LocalObjectContainer container,
                 Slot slot)

Specified by:

read in interface FreespaceManager