LRUCache

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net.sf.swarmcache
Class LRUCache

java.lang.Object
  |
  +--net.sf.swarmcache.LRUCache

All Implemented Interfaces:: ObjectCache

public class LRUCache
extends java.lang.Object
implements ObjectCache

Cache implementation that uses the Least Recently Used algorithm. This algorithm provides good cache hit frequency.

Author:: John Watkinson

Nested Class Summary

class LRUCache.ListeningLRUMap


Field Summary

static int DEFAULT_CACHE_SIZE
          The default cache size (1000).

static java.lang.String LRU_CACHE_SIZE_PROPERTY
          The property containing the maximum number of objects to cache.

Constructor Summary

LRUCache()


Method Summary

java.lang.Object clear(java.io.Serializable key)
          Clears an object from the cache by key.

void clearAll()
          Clears the entire cache.

java.lang.Object get(java.io.Serializable key)
          Gets an object from the cache by key, or returns null if that object is not cached.

java.lang.String getType()
          Gets the common name of the type of objects to cache.

void put(java.io.Serializable key, java.lang.Object object)
          Adds an object to the cache.

void setListener(LRUCacheListener l)


void setSize(int newSize)


void setType(java.lang.String type)
          Sets the common name of the type of objects to cache.

Methods inherited from class java.lang.Object

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

Field Detail

LRU_CACHE_SIZE_PROPERTY

public static final java.lang.String LRU_CACHE_SIZE_PROPERTY

The property containing the maximum number of objects to cache.

See Also:: Constant Field Values

DEFAULT_CACHE_SIZE

public static final int DEFAULT_CACHE_SIZE

The default cache size (1000).

See Also:: Constant Field Values

Constructor Detail

LRUCache

public LRUCache()

Method Detail