org.brandao.brcache.collections

Class Segment<T>

java.lang.Object

org.brandao.brcache.collections.Segment<T>

public class Segment<T>
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<Long,Entry<T>>	data
protected Entry<T>	firstItem
protected boolean	forceSwap
protected Lock	lock
protected long	maxSegmentCapacity
protected boolean	readOnly
protected Swapper	swap

Constructor Summary

Constructors

Constructor and Description
Segment(Swapper swap, boolean forceSwap, long maxSegmentCapacity, boolean readOnly)

Method Summary

Methods

Modifier and Type	Method and Description
void	add(Entry<T> item)
void	clear()
protected Entry<T>	getEntry(long index)
Lock	getLock()
long	getMaxSegmentCapacity()
Swapper	getSwap()
boolean	isForceSwap()
boolean	isReadOnly()
protected boolean	needSwap()
Entry<T>	reload(Entry<T> entity)
Entry<T>	remove(Entry<T> item)
void	setReadOnly(boolean readOnly)
void	swap(Entry<T> item)
protected void	swapFirst()
boolean	swapNextCandidate()
void	swapOnDisk(Entry<T> item)
Entry<T>	swapOnMemory(long key)

Methods inherited from class java.lang.Object

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

Field Detail

data

protected Map<Long,Entry<T>> data

lock

protected Lock lock

swap

protected Swapper swap

forceSwap

protected boolean forceSwap

maxSegmentCapacity

protected long maxSegmentCapacity

firstItem

protected volatile Entry<T> firstItem

readOnly

protected boolean readOnly

Constructor Detail

Segment

public Segment(Swapper swap,
       boolean forceSwap,
       long maxSegmentCapacity,
       boolean readOnly)

Method Detail

add

public void add(Entry<T> item)

getEntry

protected Entry<T> getEntry(long index)

remove

public Entry<T> remove(Entry<T> item)

reload

public Entry<T> reload(Entry<T> entity)

swapNextCandidate

public boolean swapNextCandidate()

swap

public void swap(Entry<T> item)

swapOnDisk

public void swapOnDisk(Entry<T> item)

swapOnMemory

public Entry<T> swapOnMemory(long key)

swapFirst

protected void swapFirst()

clear

public void clear()

needSwap

protected boolean needSwap()

isReadOnly

public boolean isReadOnly()

setReadOnly

public void setReadOnly(boolean readOnly)

getLock

public Lock getLock()

getSwap

public Swapper getSwap()

isForceSwap

public boolean isForceSwap()

getMaxSegmentCapacity

public long getMaxSegmentCapacity()