info.informatica.util
Class CacheMap<K,V>

java.lang.Object
  java.util.AbstractMap<K,V>
      java.util.HashMap<K,V>
          info.informatica.util.CacheMap<K,V>

All Implemented Interfaces:

Serializable, Cloneable, Map<K,V>

public class CacheMap<K,V>
extends HashMap<K,V>

A HashMap-based cache with an expiration method

Version:

1.01

Author:

amengual at informatica dot info

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.util.AbstractMap

AbstractMap.SimpleEntry<K,V>, AbstractMap.SimpleImmutableEntry<K,V>

Constructor Summary

CacheMap()

CacheMap(int initialCapacity)

CacheMap(int initialCapacity, float loadFactor)

Method Summary

void	clear()
Object	clone()
boolean	containsKey(Object key)
void	expire(int exptime)
V	get(Object key)
V	put(K key, V value)
V	remove(Object key)

Methods inherited from class java.util.HashMap

containsValue, entrySet, isEmpty, keySet, putAll, size, values

Methods inherited from class java.util.AbstractMap

equals, hashCode, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map

equals, hashCode

Constructor Detail

CacheMap

public CacheMap()

CacheMap

public CacheMap(int initialCapacity)

CacheMap

public CacheMap(int initialCapacity,
                float loadFactor)

Method Detail

clear

public void clear()

Specified by:

clear in interface Map<K,V>

Overrides:

clear in class HashMap<K,V>

clone

public Object clone()

Overrides:

clone in class HashMap<K,V>

containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map<K,V>

Overrides:

containsKey in class HashMap<K,V>

get

public V get(Object key)

Specified by:

get in interface Map<K,V>

Overrides:

get in class HashMap<K,V>

put

public V put(K key,
             V value)

Specified by:

put in interface Map<K,V>

Overrides:

put in class HashMap<K,V>

remove

public V remove(Object key)

Specified by:

remove in interface Map<K,V>

Overrides:

remove in class HashMap<K,V>

expire

public void expire(int exptime)