org.glassfish.hk2.utilities.cache.internal

Class LRUCacheImpl<K,V>

java.lang.Object

org.glassfish.hk2.utilities.cache.LRUCache<K,V>

org.glassfish.hk2.utilities.cache.internal.LRUCacheImpl<K,V>

public class LRUCacheImpl<K,V>
extends LRUCache<K,V>

The implementation of the LRUCache

Author:

jwells

Constructor Summary

Constructors

Constructor and Description
LRUCacheImpl(int maxCacheSize)

Method Summary

Methods

Modifier and Type	Method and Description
V	get(K key) Returns the value associated with the given key.
int	getMaxCacheSize() Returns the maximum number of entries that will be stored in this cache
CacheEntry	put(K key, V value) Adds the given key and value pair into the cache
void	releaseCache() Clears all entries in the cache, for use when a known event makes the cache incorrect
java.lang.String	toString()

Methods inherited from class org.glassfish.hk2.utilities.cache.LRUCache

createCache

Methods inherited from class java.lang.Object

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

Constructor Detail

LRUCacheImpl

public LRUCacheImpl(int maxCacheSize)

Method Detail

get

public V get(K key)

Description copied from class: LRUCache

Returns the value associated with the given key. If there is no value, returns null

Specified by:

get in class LRUCache<K,V>

Parameters:

key - Must be a non-null key, appropriate for use as the key to a hash map

Returns:

The value associated with the key, or null if there is no such value

put

public CacheEntry put(K key,
             V value)

Description copied from class: LRUCache

Adds the given key and value pair into the cache

Specified by:

put in class LRUCache<K,V>

Parameters:

key - Must be a non-null key, appropriate for use as the key to a hash map

value - Must be a non-null value

Returns:

A cache entry that can be used to remove this entry from the cache. Will not return null

releaseCache

public void releaseCache()

Description copied from class: LRUCache

Clears all entries in the cache, for use when a known event makes the cache incorrect

Specified by:

releaseCache in class LRUCache<K,V>

getMaxCacheSize

public int getMaxCacheSize()

Description copied from class: LRUCache

Returns the maximum number of entries that will be stored in this cache

Specified by:

getMaxCacheSize in class LRUCache<K,V>

Returns:

The maximum number of entries that will be stored in this cache

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object