Class TTLCache

java.lang.Object

NetStrategies.CacheStrategy

NetStrategies.CacheStrategies.TTLCache

All Implemented Interfaces:

AutoCheck

public class TTLCache
extends CacheStrategy

TTL (Time To Live) cache eviction strategy: removes items whose lifetime has expired.

Field Summary

Fields inherited from class CacheStrategy

engine, netSystem, removeItemMode

Constructor Summary

Constructors

Constructor	Description
TTLCache(Double ttl, CacheStrategy replacePolicy)

Method Summary

Modifier and Type	Method	Description
void	cleanExpiredItem(LinkedList<CacheItem> caches)	Check each item whether its expired or not.
CacheItem	getRemoveItem(LinkedList<CacheItem> caches)	When all the item in cached items list are alive, remove the item follow the specific rule.
CacheStrategy	getReplacePolicy()
double	getTTL()

Methods inherited from class CacheStrategy

check, getRemoveItemMode, setNetSystem, setRandomEngine, setRemoveItemMode

Methods inherited from class Object

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

Constructor Details

TTLCache

public TTLCache(Double ttl,
 CacheStrategy replacePolicy)

Method Details

getRemoveItem

public CacheItem getRemoveItem(LinkedList<CacheItem> caches)

When all the item in cached items list are alive, remove the item follow the specific rule.

Specified by:

getRemoveItem in class CacheStrategy

Parameters:

caches -

Returns:

cleanExpiredItem

public void cleanExpiredItem(LinkedList<CacheItem> caches)

Check each item whether its expired or not. Once expired, remove it from the cached item list.

getTTL

public double getTTL()

getReplacePolicy

public CacheStrategy getReplacePolicy()