Top Description Fields Constructors Methods

com.sun.faces.util

public Class LRUCache<K, V>

Class Inheritance

extends Object

java.lang.Object
com.sun.faces.util.LRUCache

Imports

java.util.Objects, java.util.concurrent.locks.ReentrantLock

LRU Cache adapted to the code style of Faces

Author: Paolo Bernardi

Field Summary

Modifier and Type	Field and Description
private final LRUMap<K, V>	cache
private final Cache.Factory<K, V>	factory
private final ReentrantLock	lock

Constructor Summary

Access	Constructor and Description
public	LRUCache(Cache.Factory<K, V> factory, int capacity)

Method Summary

Modifier and Type	Method and Description
public void	clear() clear the cache
public V	Returns: the value from cache if exists, otherwise the newly created and saved value get(K the key key) get from cache if exists else init the value + save in cache + return created value
public V	remove(final K key) remove an element identified by the passed key from the cache

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

cache	back to summary
private final LRUMap<K, V> cache

factory	back to summary
private final Cache.Factory<K, V> factory

lock	back to summary
private final ReentrantLock lock

Constructor Detail

LRUCache	back to summary
public LRUCache(Cache.Factory<K, V> factory, int capacity)

Method Detail

clear	back to summary
public void clear() clear the cache

get

back to summary

public V get(K key)

get from cache if exists else init the value + save in cache + return created value

Parameters

key:K: the key

Returns:V

the value from cache if exists, otherwise the newly created and saved value

remove	back to summary
public V remove(final K key) remove an element identified by the passed key from the cache