Package me.danwi.sqlex.common

Class LRUCache<K,V>

java.lang.Object

me.danwi.sqlex.common.LRUCache<K,V>

Type Parameters:

K - key类型

V - value类型

public class LRUCache<K,V>
extends Object

LRU缓存

Constructor Summary

Constructors

Constructor	Description
LRUCache(int size)	新建LRU缓存

Method Summary

Modifier and Type	Method	Description
V	get(K key)	从缓存中取值,会刷新对应缓存的使用情况
void	set(K key, V value)	将值放入缓存中

Methods inherited from class java.lang.Object

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

Constructor Details

LRUCache

public LRUCache(int size)

新建LRU缓存

Parameters:

size - 缓存容量

Method Details

get

public V get(K key)

从缓存中取值,会刷新对应缓存的使用情况

Parameters:

key - 缓存key

Returns:

key对应的缓存值, 如果不存在, 则返回null

set

public void set(K key,
 V value)

将值放入缓存中

Parameters:

key - 缓存key

value - 缓存value