nl.renarj.jasdb.core.caching

Class LRURegion<T extends CacheEntry>

java.lang.Object

nl.renarj.jasdb.core.caching.LRURegion<T>

All Implemented Interfaces:

CacheRegion<Long,T>

public class LRURegion<T extends CacheEntry>
extends Object
implements CacheRegion<Long,T>

Author:

Renze de Vries

Field Summary

Fields

Modifier and Type	Field and Description
protected OrderedBalancedTree<Long,Long>	blockAccessTime
protected OrderedBalancedTree<Long,nl.renarj.jasdb.core.caching.LRURegion.EntryWrapper>	cachedBlocks

Constructor Summary

Constructors

Constructor and Description
LRURegion(String name)

Method Summary

Modifier and Type	Method and Description
void	clear()
boolean	contains(Long key)
T	getEntry(Long key)
long	lastRegionAccess()
long	memorySize()
String	name()
T	putEntry(Long key, T entry)
long	reduceBy(long reduceSize)
boolean	removeEntry(Long key)
int	size()
String	toString()
Collection<T>	values()

Methods inherited from class java.lang.Object

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

Field Detail

cachedBlocks

protected final OrderedBalancedTree<Long,nl.renarj.jasdb.core.caching.LRURegion.EntryWrapper> cachedBlocks

blockAccessTime

protected final OrderedBalancedTree<Long,Long> blockAccessTime

Constructor Detail

LRURegion

public LRURegion(String name)

Method Detail

lastRegionAccess

public long lastRegionAccess()

Specified by:

lastRegionAccess in interface CacheRegion<Long,T extends CacheEntry>

name

public String name()

Specified by:

name in interface CacheRegion<Long,T extends CacheEntry>

memorySize

public long memorySize()

Specified by:

memorySize in interface CacheRegion<Long,T extends CacheEntry>

reduceBy

public long reduceBy(long reduceSize)

Specified by:

reduceBy in interface CacheRegion<Long,T extends CacheEntry>

putEntry

public T putEntry(Long key,
                  T entry)

Specified by:

putEntry in interface CacheRegion<Long,T extends CacheEntry>

contains

public boolean contains(Long key)

Specified by:

contains in interface CacheRegion<Long,T extends CacheEntry>

getEntry

public T getEntry(Long key)

Specified by:

getEntry in interface CacheRegion<Long,T extends CacheEntry>

removeEntry

public boolean removeEntry(Long key)

Specified by:

removeEntry in interface CacheRegion<Long,T extends CacheEntry>

values

public Collection<T> values()

Specified by:

values in interface CacheRegion<Long,T extends CacheEntry>

size

public int size()

Specified by:

size in interface CacheRegion<Long,T extends CacheEntry>

clear

public void clear()

Specified by:

clear in interface CacheRegion<Long,T extends CacheEntry>

toString

public String toString()

Overrides:

toString in class Object