com.samskivert.util

Class SoftCache<K,V>

java.lang.Object

com.samskivert.util.SoftCache<K,V>

public class SoftCache<K,V>
extends Object

Implements a SoftReference cache wherein the values in the hashmap are not prevented from being garbage collected.

Constructor Summary

Constructors

Constructor and Description
SoftCache()
SoftCache(int initialCapacity)
SoftCache(int initialCapacity, float loadFactor)

Method Summary

Modifier and Type	Method and Description
void	clear() Clears all mappings.
boolean	containsKey(K key) Returns true if the supplied key exists in this map and is mapped to an active value.
V	get(K key) Looks up and returns the value associated with the supplied key.
HashMap<K,SoftReference<V>>	getMap() Returns a reference to the underlying map.
V	put(K key, V value) Maps the specified key to the specified value.
V	remove(K key) Removes the specified key from the map.

Methods inherited from class java.lang.Object

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

Constructor Detail

SoftCache

public SoftCache(int initialCapacity,
                 float loadFactor)

SoftCache

public SoftCache(int initialCapacity)

SoftCache

public SoftCache()

Method Detail

getMap

public HashMap<K,SoftReference<V>> getMap()

Returns a reference to the underlying map.

containsKey

public boolean containsKey(K key)

Returns true if the supplied key exists in this map and is mapped to an active value.

get

public V get(K key)

Looks up and returns the value associated with the supplied key.

put

public V put(K key,
             V value)

Maps the specified key to the specified value.

remove

public V remove(K key)

Removes the specified key from the map. Returns the value to which the key was previously mapped or null.

clear

public void clear()

Clears all mappings.