CacheRandom

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org.apache.oro.util
Class CacheRandom

java.lang.Object
  org.apache.oro.util.GenericCache
      org.apache.oro.util.CacheRandom

All Implemented Interfaces:: Cache, java.io.Serializable

public final class CacheRandom
extends GenericCache

This class is a GenericCache subclass implementing a random cache replacement policy. In other words, values are added to the cache until it becomes full. Once the cache is full, when a new value is added to the cache, it replaces a randomly selected value in the cache.

Since:: 1.0
Version:: @version@

Field Summary

private java.util.Random __random


Fields inherited from class org.apache.oro.util.GenericCache

_cache, _numEntries, _table, DEFAULT_CAPACITY

Constructor Summary

CacheRandom()
          Same as:

CacheRandom(int capacity)
          Creates a CacheRandom instance with a given cache capacity.

Method Summary

void addElement(java.lang.Object key, java.lang.Object value)
          Adds a value to the cache.

Methods inherited from class org.apache.oro.util.GenericCache

capacity, getElement, isFull, keys, size

Methods inherited from class java.lang.Object

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

Field Detail

__random

private java.util.Random __random

Constructor Detail

CacheRandom

public CacheRandom(int capacity)

Creates a CacheRandom instance with a given cache capacity.

CacheRandom

public CacheRandom()

Same as:

 CacheRandom(GenericCache.DEFAULT_CAPACITY);

Method Detail

addElement

public final void addElement(java.lang.Object key,
                             java.lang.Object value)

Adds a value to the cache. If the cache is full, when a new value is added to the cache, it replaces the first of the current values in the cache to have been added (i.e., Random).