org.prorefactor.util
Class Cache<K,V>

java.lang.Object
  java.util.AbstractMap<K,V>
      java.util.HashMap<K,V>
          java.util.LinkedHashMap<K,V>
              org.prorefactor.util.Cache<K,V>

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.util.Map<K,V>

public class Cache<K,V>
extends java.util.LinkedHashMap<K,V>

Extends LinkedHashMap to provide a "recently used" cache of a specified size. There's a good chance you will want to wrap this to be thread-safe: Map m = Collections.synchronizedMap(new Cache(...));

See Also:

Serialized Form

Constructor Summary

Cache(int capacity)

Method Summary

protected boolean

removeEldestEntry(java.util.Map.Entry eldest)

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

Constructor Detail

Cache

public Cache(int capacity)

Method Detail

removeEldestEntry

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

Overrides:

removeEldestEntry in class java.util.LinkedHashMap<K,V>