com.anji.captcha.util

Class CacheUtil

java.lang.Object

com.anji.captcha.util.CacheUtil

public final class CacheUtil
extends Object

Constructor Summary

Constructors

Constructor and Description
CacheUtil()

Method Summary

Modifier and Type	Method and Description
static void	clear() 删除所有缓存
static void	delete(String key)
static boolean	exists(String key)
static String	get(String key)
static void	init(int cacheMaxNumber, long second) 初始化
static void	refresh() 缓存刷新,清除过期数据
static void	set(String key, String value, long expiresInSeconds)
static void	setExpire(String key, long expiresInSeconds) 设置过期时间

Methods inherited from class java.lang.Object

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

Constructor Detail

CacheUtil

public CacheUtil()

Method Detail

init

public static void init(int cacheMaxNumber,
                        long second)

初始化

Parameters:

cacheMaxNumber - 缓存最大个数

second - 定时任务 秒执行清除过期缓存

refresh

public static void refresh()

缓存刷新,清除过期数据

set

public static void set(String key,
                       String value,
                       long expiresInSeconds)

delete

public static void delete(String key)

exists

public static boolean exists(String key)

get

public static String get(String key)

clear

public static void clear()

删除所有缓存

setExpire

public static void setExpire(String key,
                             long expiresInSeconds)

设置过期时间