Package org.eclipse.jgit.internal.storage.file

Class WindowCache.SoftRef

java.lang.Object

java.lang.ref.Reference<T>

java.lang.ref.SoftReference<ByteWindow>

org.eclipse.jgit.internal.storage.file.WindowCache.SoftRef

All Implemented Interfaces:

WindowCache.PageRef<ByteWindow>

Enclosing class:

WindowCache

private static class WindowCache.SoftRef
extends java.lang.ref.SoftReference<ByteWindow>
implements WindowCache.PageRef<ByteWindow>

A soft reference wrapped around a cached object.

Field Summary

Fields

Modifier and Type	Field	Description
private long	lastAccess
private Pack	pack
private long	position
private int	size

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	SoftRef(Pack pack, long position, ByteWindow v, WindowCache.SoftCleanupQueue queue)

Method Summary

Modifier and Type	Method	Description
long	getLastAccess()	Get pseudo time of last access to this cache page
Pack	getPack()	Get the Pack the referenced cache page is allocated for
long	getPosition()	Get the position of the referenced cache page in the Pack
int	getSize()	Get size of cache page
boolean	isStrongRef()	Whether this is a strong reference.
boolean	kill()	Kill this ref
void	setLastAccess(long time)	Set pseudo time of last access to this cache page

Methods inherited from class java.lang.ref.SoftReference

get

Methods inherited from class java.lang.ref.Reference

clear, enqueue, isEnqueued

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.jgit.internal.storage.file.WindowCache.PageRef

get

Field Detail

pack

private final Pack pack

position

private final long position

size

private final int size

lastAccess

private long lastAccess

Constructor Detail

SoftRef

protected SoftRef(Pack pack,
                  long position,
                  ByteWindow v,
                  WindowCache.SoftCleanupQueue queue)

Method Detail

getPack

public Pack getPack()

Description copied from interface: WindowCache.PageRef

Get the Pack the referenced cache page is allocated for

Specified by:

getPack in interface WindowCache.PageRef<ByteWindow>

Returns:

the Pack the referenced cache page is allocated for

getPosition

public long getPosition()

Description copied from interface: WindowCache.PageRef

Get the position of the referenced cache page in the Pack

Specified by:

getPosition in interface WindowCache.PageRef<ByteWindow>

Returns:

the position of the referenced cache page in the Pack

getSize

public int getSize()

Description copied from interface: WindowCache.PageRef

Get size of cache page

Specified by:

getSize in interface WindowCache.PageRef<ByteWindow>

Returns:

size of cache page

getLastAccess

public long getLastAccess()

Description copied from interface: WindowCache.PageRef

Get pseudo time of last access to this cache page

Specified by:

getLastAccess in interface WindowCache.PageRef<ByteWindow>

Returns:

pseudo time of last access to this cache page

setLastAccess

public void setLastAccess(long time)

Description copied from interface: WindowCache.PageRef

Set pseudo time of last access to this cache page

Specified by:

setLastAccess in interface WindowCache.PageRef<ByteWindow>

Parameters:

time - pseudo time of last access to this cache page

kill

public boolean kill()

Description copied from interface: WindowCache.PageRef

Kill this ref

Specified by:

kill in interface WindowCache.PageRef<ByteWindow>

Returns:

true if this reference object was successfully killed; false if it was already killed

isStrongRef

public boolean isStrongRef()

Description copied from interface: WindowCache.PageRef

Whether this is a strong reference.

Specified by:

isStrongRef in interface WindowCache.PageRef<ByteWindow>

Returns:

true if this is a strong reference