com.centit.support.common

类 CachedMap<K,T>

java.lang.Object

com.centit.support.common.CachedMap<K,T>

类型参数:

K - id 键值类型

T - target 缓存对象的类型

public class CachedMap<K,T>
extends Object

用 ConcurrentHashMap 缓存对象，每个对象 自己维护缓存策略

构造器概要

构造器

构造器和说明
CachedMap(Function<K,T> refresher)
CachedMap(Function<K,T> refresher, int initialCapacity)
CachedMap(Function<K,T> refresher, long freshPeriod, int initialCapacity)

方法概要

限定符和类型	方法和说明
void	evictObject(K key)
T	getCachedObject(K key)
void	setFreshPeriod(int freshPeriod)

从类继承的方法 java.lang.Object

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

构造器详细资料

CachedMap

public CachedMap(Function<K,T> refresher,
                 long freshPeriod,
                 int initialCapacity)

参数:

refresher - 重新获取代码的接口

freshPeriod - 保鲜时间，单位为分钟

CachedMap

public CachedMap(Function<K,T> refresher)

CachedMap

public CachedMap(Function<K,T> refresher,
                 int initialCapacity)

方法详细资料

setFreshPeriod

public void setFreshPeriod(int freshPeriod)

evictObject

public void evictObject(K key)

getCachedObject

public T getCachedObject(K key)