Package com.db4o.internal.freespace

Class FreespaceManagerIx

java.lang.Object

com.db4o.internal.freespace.AbstractFreespaceManager

com.db4o.internal.freespace.FreespaceManagerIx

All Implemented Interfaces:

FreespaceManager

public class FreespaceManagerIx
extends AbstractFreespaceManager

Old freespacemanager, before version 7.0. If it is still in use freespace is dropped. BTreeFreespaceManager should be used instead.

Field Summary

Fields inherited from class com.db4o.internal.freespace.AbstractFreespaceManager

_slotFreedCallback, FM_BTREE, FM_DEBUG, FM_DEFAULT, FM_IX, FM_LEGACY_RAM, FM_RAM, REMAINDER_SIZE_LIMIT

Constructor Summary

Constructors

Constructor	Description
FreespaceManagerIx(int discardLimit, int remainderSizeLimit)

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	start(int id)
byte	systemType()
void	traverse(Visitor4 visitor)
void	write(LocalObjectContainer container)

Methods inherited from class com.db4o.internal.freespace.AbstractFreespaceManager

checkType, createNew, createNew, debugCheckIntegrity, discardLimit, initSlot, migrate, migrationRequired, slotFreed, splitRemainder, totalFreespace

Methods inherited from class java.lang.Object

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

Constructor Detail

FreespaceManagerIx

public FreespaceManagerIx(int discardLimit,
                          int remainderSizeLimit)

Method Detail

allocateSafeSlot

public Slot allocateSafeSlot(int length)

freeSafeSlot

public void freeSafeSlot(Slot slot)

beginCommit

public void beginCommit()

endCommit

public void endCommit()

slotCount

public int slotCount()

free

public void free(Slot slot)

freeSelf

public void freeSelf()

allocateSlot

public Slot allocateSlot(int length)

migrateTo

public void migrateTo(FreespaceManager fm)

Specified by:

migrateTo in interface FreespaceManager

Overrides:

migrateTo in class AbstractFreespaceManager

traverse

public void traverse(Visitor4 visitor)

start

public void start(int id)

systemType

public byte systemType()

write

public void write(LocalObjectContainer container)

commit

public void commit()

listener

public void listener(FreespaceListener listener)

isStarted

public boolean isStarted()

allocateTransactionLogSlot

public Slot allocateTransactionLogSlot(int length)

read

public void read(LocalObjectContainer container,
                 Slot slot)