org.tio.utils.cache.j2cache

Class J2Cache

java.lang.Object

org.tio.utils.cache.AbsCache

org.tio.utils.cache.j2cache.J2Cache

All Implemented Interfaces:

ICache

public class J2Cache
extends AbsCache

红薯家的j2cache

Author:

tanyaowu

Nested Class Summary

Nested classes/interfaces inherited from interface org.tio.utils.cache.ICache

ICache.NullClass

Field Summary

Fields inherited from class org.tio.utils.cache.AbsCache

cacheName

Fields inherited from interface org.tio.utils.cache.ICache

MAX_EXPIRE_IN_LOCAL, NULL_OBJ

Constructor Summary

Constructors

Constructor and Description
J2Cache(String cacheName)

Method Summary

Modifier and Type	Method and Description
Serializable	_get(String key)
void	clear() 清空所有缓存
Collection<String>	keys() 获取所有的key
void	put(String key, Serializable value) 将key value保存到缓存中
void	putTemporary(String key, Serializable value) 临时添加一个值，用于防止缓存穿透攻击
void	remove(String key) 删除一个key
long	ttl(String key) 对象还会存活多久。

Methods inherited from class org.tio.utils.cache.AbsCache

get, get, getCacheName, getTimeToIdleSeconds, getTimeToLiveSeconds, setCacheName, setTimeToIdleSeconds, setTimeToLiveSeconds

Methods inherited from class java.lang.Object

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

Constructor Detail

J2Cache

public J2Cache(String cacheName)

Method Detail

clear

public void clear()

Description copied from interface: ICache

清空所有缓存

_get

public Serializable _get(String key)

Specified by:

_get in class AbsCache

keys

public Collection<String> keys()

Description copied from interface: ICache

获取所有的key

Returns:

put

public void put(String key,
                Serializable value)

Description copied from interface: ICache

将key value保存到缓存中

remove

public void remove(String key)

Description copied from interface: ICache

删除一个key

putTemporary

public void putTemporary(String key,
                         Serializable value)

Description copied from interface: ICache

临时添加一个值，用于防止缓存穿透攻击

ttl

public long ttl(String key)

Description copied from interface: ICache

对象还会存活多久。

Returns:

currTime in milliseconds -2 if the key does not exist. -1 if the key exists but has no associated expire.