org.eclipse.internal.xtend.util
Class WeakCache2<K,V>

java.lang.Object
  org.eclipse.internal.xtend.util.WeakCache2<K,V>

Type Parameters:

K - Key type

V - Value type

public class WeakCache2<K,V>
extends java.lang.Object

A cache implementation based on WeakReferences which cleans up GCed references regularely. Originally copied from URI' internal URICache class.

Field Summary

protected java.util.Map<K,java.lang.ref.WeakReference<V>>

map

Constructor Summary

WeakCache2()

WeakCache2(int min_limit)

Method Summary

boolean	containsKey(java.lang.String key)
V	get(K key)
long	getHitCount()
double	getHitRatio()
long	getMissCount()
long	getTotalCount()
void	put(K key, V value)

Methods inherited from class java.lang.Object

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

Field Detail

map

protected java.util.Map<K,java.lang.ref.WeakReference<V>> map

Constructor Detail

WeakCache2

public WeakCache2()

WeakCache2

public WeakCache2(int min_limit)

Method Detail

get

public V get(K key)

put

public void put(K key,
                V value)

containsKey

public boolean containsKey(java.lang.String key)

Parameters:

key - Cache key

Returns:

true if the cache contains an element with the given key.

getTotalCount

public long getTotalCount()

Returns:

the totalCount

getHitCount

public long getHitCount()

Returns:

the hitCount

getMissCount

public long getMissCount()

getHitRatio

public double getHitRatio()