Class Cache<K,V>

java.lang.Object

cool.scx.common.cache.Cache<K,V>

Type Parameters:

K -

V -

All Implemented Interfaces:

ICache<K,V>

public class Cache<K,V>
extends Object
implements ICache<K,V>

默认缓存实现 (永久储存, 达到最大容量后移除之前的元素)

Version:

0.0.1

Author:

scx567888

Constructor Summary

Constructors

Constructor	Description
Cache(int maxSize)
Cache(int maxSize, boolean useSynchronized)
Cache(int maxSize, boolean useSynchronized, boolean accessOrder)

Method Summary

Modifier and Type	Method	Description
void	clear()
V	computeIfAbsent(K key, Function<? super K, ? extends V> mappingFunction)
V	get(K key)
V	put(K key, V value)
V	remove(K key)

Methods inherited from class java.lang.Object

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

Constructor Details

Cache

public Cache(int maxSize)

Cache

public Cache(int maxSize,
 boolean useSynchronized)

Cache

public Cache(int maxSize,
 boolean useSynchronized,
 boolean accessOrder)

Parameters:

maxSize - 最大容量

useSynchronized - 是否使用同步

accessOrder - 使用 LRU 策略

Method Details

get

public V get(K key)

Specified by:

get in interface ICache<K,V>

put

public V put(K key,
 V value)

Specified by:

put in interface ICache<K,V>

remove

public V remove(K key)

Specified by:

remove in interface ICache<K,V>

clear

public void clear()

Specified by:

clear in interface ICache<K,V>

computeIfAbsent

public V computeIfAbsent(K key,
 Function<? super K, ? extends V> mappingFunction)

Specified by:

computeIfAbsent in interface ICache<K,V>