org.apache.activemq.util
Class LRUCache

java.lang.Object
  java.util.AbstractMap<K,V>
      java.util.HashMap<K,V>
          java.util.LinkedHashMap
              org.apache.activemq.util.LRUCache

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.util.Map

public class LRUCache
extends java.util.LinkedHashMap

A Simple LRU Cache

Version:

$Revision$

See Also:

Serialized Form

Nested Class Summary

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

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

Field Summary

protected int

maxCacheSize

Constructor Summary

LRUCache()
Constructs LRU Cache

Method Summary

int	getMaxCacheSize()
protected boolean	removeEldestEntry(java.util.Map.Entry entry)
void	setMaxCacheSize(int maxCacheSize)

Methods inherited from class java.util.LinkedHashMap

clear, containsValue, get

Methods inherited from class java.util.HashMap

clone, containsKey, entrySet, isEmpty, keySet, put, putAll, remove, size, values

Methods inherited from class java.util.AbstractMap

equals, hashCode, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map

containsKey, entrySet, equals, hashCode, isEmpty, keySet, put, putAll, remove, size, values

Field Detail

maxCacheSize

protected int maxCacheSize

Constructor Detail

LRUCache

public LRUCache()

Constructs LRU Cache

Method Detail

getMaxCacheSize

public int getMaxCacheSize()

Returns:

Returns the maxCacheSize.

setMaxCacheSize

public void setMaxCacheSize(int maxCacheSize)

Parameters:

maxCacheSize - The maxCacheSize to set.

removeEldestEntry

protected boolean removeEldestEntry(java.util.Map.Entry entry)

Overrides:

removeEldestEntry in class java.util.LinkedHashMap