Java Doc for MRUCache.java in  » Inversion-of-Control » carbon » org » sape » carbon » services » cache » mru » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Inversion of Control » carbon » org.sape.carbon.services.cache.mru 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.sape.carbon.services.cache.mru.MRUCache

All known Subclasses:   org.sape.carbon.services.cache.mru.AbstractMRUCache,  org.sape.carbon.services.cache.mru.MultiGetMRUCache,
MRUCache
public interface MRUCache extends Cache(Code)

This interface represents caches that hold a limited number of items and remove older items or items that haven't been accessed in a while to make room for new items. MRU stands for Most Recently Used and refers to the algorithm where by the item used the longest ago is the item to be removed for new items. This cache primarily acts the same as other caches, but also provides information about its hit ratio that other caches do not provide.


since:
   carbon 1.0
author:
   Greg Hinkle, January 2002
version:
   $Revision: 1.8 $($Author: dvoet $ / $Date: 2003/05/05 21:21:07 $)
version:
  
Copyright 2002 Sapient




Method Summary
 FloatgetHitPercentage()
     The percentage of cache lookups that resulted in the item being found.
 LonggetHits()
     The count of times an item was looked up and was in the cache.
 LonggetMisses()
     The count of times an item was looked up and was not in the cache.
 LonggetSize()
     The count of items currently in the cache.



Method Detail
getHitPercentage
Float getHitPercentage()(Code)
The percentage of cache lookups that resulted in the item being found. the percentage of hits to misses



getHits
Long getHits()(Code)
The count of times an item was looked up and was in the cache. the count of hits to this cache



getMisses
Long getMisses()(Code)
The count of times an item was looked up and was not in the cache. the number of cache misses



getSize
Long getSize()(Code)
The count of items currently in the cache. the number of items in the cache



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