com.ls.util.cache
Class CacheStatistic

java.lang.Object
  |
  +--com.ls.util.cache.CacheStatistic

public class CacheStatistic

extends Object

Statistic class that can be used by any cacher class. In this class the following information are followed.

- The number of data that retrieved from the cache successfully
- The number of data that were invalid when user wanted to access
- The number of data that were not exist in the hash when user requested
- The number of data that were removed by garbage collector when user requested

Version:

$Revision: 1.1 $

Author:

Last modified by $Author: TBerk $

Constructor Summary

CacheStatistic()
Constructor, that initialize the internal variables

CacheStatistic(int newFromCache, int newInvalidData, int newNoData, int newRemovedFromMemory)
Constructor, that initialize the variables

Method Summary

StringBuffer	getStatistics() Returns the statistics of this cache
void	incFromCache() Increases number of data that retrieved from cache successfully
void	incInvalidData() Increases number of data that are invalid when user wants to access
void	incNoData() Increases the number of data that were not exist in the hash when user requested
void	incRemovedFromMemory() Increases the number of data that were removed by garbage collector when user requested

Methods inherited from class java.lang.Object

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

Constructor Detail

CacheStatistic

public CacheStatistic()

Constructor, that initialize the internal variables

CacheStatistic

public CacheStatistic(int newFromCache,
                      int newInvalidData,
                      int newNoData,
                      int newRemovedFromMemory)

Constructor, that initialize the variables

Parameters:

newFromCache - initial value for fromCache variable

newInvalidData - initial value for invalidData variable

newNoData - initial value for noData variable

newRemovedFromMemory - initial value for removedFromMemory variable

Method Detail

incFromCache

public void incFromCache()

Increases number of data that retrieved from cache successfully

incInvalidData

public void incInvalidData()

Increases number of data that are invalid when user wants to access

incNoData

public void incNoData()

Increases the number of data that were not exist in the hash when user requested

incRemovedFromMemory

public void incRemovedFromMemory()

Increases the number of data that were removed by garbage collector when user requested

getStatistics

public StringBuffer getStatistics()

Returns the statistics of this cache

Returns:

A StringBuffer which has the details of the current cache.