org.aksw.coyotecache.cache

Class Lfu

java.lang.Object

org.aksw.coyotecache.cache.AbstractCache

org.aksw.coyotecache.cache.Lfu

All Implemented Interfaces:

CacheInterface

public class Lfu
extends AbstractCache

Author:

rspeck

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<Object,Integer>	m_access cluster (map key) to hits (map value).

Fields inherited from class org.aksw.coyotecache.cache.AbstractCache

log4j, m_cacheMap, m_cacheMaxSize, m_evictCount

Constructor Summary

Constructors

Constructor and Description
Lfu(int size, int evictCount)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	evict()
protected void	hitAccess(Object key)
protected void	putAccess(Object key)
List<Object>	removeValues(Object value) Removes all objects with the value from cache map.
boolean	test() This method should be used for testing.
String	toString()

Methods inherited from class org.aksw.coyotecache.cache.AbstractCache

get, maxSize, put, size, values

Methods inherited from class java.lang.Object

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

Field Detail

m_access

protected final Map<Object,Integer> m_access

cluster (map key) to hits (map value).

Constructor Detail

Lfu

public Lfu(int size,
   int evictCount)

Method Detail

evict

protected void evict()

Specified by:

evict in class AbstractCache

hitAccess

protected void hitAccess(Object key)

Specified by:

hitAccess in class AbstractCache

putAccess

protected void putAccess(Object key)

Specified by:

putAccess in class AbstractCache

removeValues

public List<Object> removeValues(Object value)

Description copied from interface: CacheInterface

Removes all objects with the value from cache map.

Specified by:

removeValues in interface CacheInterface

Overrides:

removeValues in class AbstractCache

Returns:

removed objects

test

public boolean test()

Description copied from interface: CacheInterface

This method should be used for testing. Returns false on an error.

Specified by:

test in interface CacheInterface

Overrides:

test in class AbstractCache

Returns:

true if the cache works fine

toString

public String toString()

Overrides:

toString in class AbstractCache