Package net.sf.cglib.core.internal

Class LoadingCache<K,KK,V>

java.lang.Object

net.sf.cglib.core.internal.LoadingCache<K,KK,V>

public class LoadingCache<K,KK,V>
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static Function	IDENTITY
protected Function<K,KK>	keyMapper
protected Function<K,V>	loader
protected ConcurrentMap<KK,Object>	map

Constructor Summary

Constructors

Constructor	Description
LoadingCache(Function<K,KK> keyMapper, Function<K,V> loader)

Method Summary

Modifier and Type	Method	Description
protected V	createEntry(K key, KK cacheKey, Object v)	Loads entry to the cache.
V	get(K key)
static <K> Function<K,K>	identity()

Methods inherited from class java.lang.Object

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

Field Detail

map

protected final ConcurrentMap<KK,Object> map

loader

protected final Function<K,V> loader

keyMapper

protected final Function<K,KK> keyMapper

IDENTITY

public static final Function IDENTITY

Constructor Detail

LoadingCache

public LoadingCache(Function<K,KK> keyMapper,
                    Function<K,V> loader)

Method Detail

identity

public static <K> Function<K,K> identity()

get

public V get(K key)

createEntry

protected V createEntry(K key,
                        KK cacheKey,
                        Object v)

Loads entry to the cache. If entry is missing, put FutureTask first so other competing thread might wait for the result.

Parameters:

key - original key that would be used to load the instance

cacheKey - key that would be used to store the entry in internal map

v - null or FutureTask

Returns:

newly created instance