de.neteye.actioncache
Class AbstractCache

java.lang.Object
  |
  +--de.neteye.actioncache.AbstractCache

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

ActionCache

public abstract class AbstractCache

extends java.lang.Object

implements java.io.Serializable

Abstract in-memory LRU cache. Lookups are performed using a HashMap. The items are double linked to determine their order. Whenever an item is accessed it is unlinked and re-inserted at the top of the list.

Version:

$Revision: 1.3 $

Author:

Felix Gnass

See Also:

Serialized Form

Constructor Summary

AbstractCache(int capacity)

Method Summary

protected abstract CacheItem	createCacheItem(java.lang.Object key)
CacheItem	getItem(java.lang.Object key)
void	setCapacity(int capacity)

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractCache

public AbstractCache(int capacity)

Method Detail

createCacheItem

protected abstract CacheItem createCacheItem(java.lang.Object key)
                                      throws java.lang.Exception

java.lang.Exception

getItem

public CacheItem getItem(java.lang.Object key)

setCapacity

public void setCapacity(int capacity)