org.tio.utils.cache.redis

Class RedisCache

java.lang.Object

org.tio.utils.cache.AbsCache

org.tio.utils.cache.redis.RedisCache

All Implemented Interfaces:

ICache

public class RedisCache
extends AbsCache

Author:

tanyaowu 2017年8月10日 下午1:35:01

Nested Class Summary

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

ICache.NullClass

Field Summary

Fields

Modifier and Type	Field and Description
static String	SPLIT_FOR_CACHENAME

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

Method Summary

Modifier and Type	Method and Description
Serializable	_get(String key)
static String	cacheKey(String cacheName, String key)
void	clear() 清空所有缓存
org.redisson.api.RBucket<Serializable>	getBucket(String key)
static RedisCache	getCache(String cacheName)
org.redisson.api.RedissonClient	getRedisson()
Long	getTimeout()
Long	getTimeToIdleSeconds()
Long	getTimeToLiveSeconds()
static String	keyPrefix(String cacheName)
Iterable<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
static RedisCache	register(org.redisson.api.RedissonClient redisson, String cacheName, Long timeToLiveSeconds, Long timeToIdleSeconds) timeToLiveSeconds和timeToIdleSeconds不允许同时为null
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, setCacheName, setTimeToIdleSeconds, setTimeToLiveSeconds

Methods inherited from class java.lang.Object

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

Field Detail

SPLIT_FOR_CACHENAME

public static final String SPLIT_FOR_CACHENAME

See Also:

Constant Field Values

Method Detail

cacheKey

public static String cacheKey(String cacheName,
                              String key)

getCache

public static RedisCache getCache(String cacheName)

keyPrefix

public static String keyPrefix(String cacheName)

register

public static RedisCache register(org.redisson.api.RedissonClient redisson,
                                  String cacheName,
                                  Long timeToLiveSeconds,
                                  Long timeToIdleSeconds)

timeToLiveSeconds和timeToIdleSeconds不允许同时为null

Parameters:

cacheName -

timeToLiveSeconds -

timeToIdleSeconds -

Returns:

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

getBucket

public org.redisson.api.RBucket<Serializable> getBucket(String key)

getRedisson

public org.redisson.api.RedissonClient getRedisson()

getTimeout

public Long getTimeout()

getTimeToIdleSeconds

public Long getTimeToIdleSeconds()

Specified by:

getTimeToIdleSeconds in interface ICache

Overrides:

getTimeToIdleSeconds in class AbsCache

Returns:

getTimeToLiveSeconds

public Long getTimeToLiveSeconds()

Specified by:

getTimeToLiveSeconds in interface ICache

Overrides:

getTimeToLiveSeconds in class AbsCache

Returns:

keys

public Iterable<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

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

remove

public void remove(String key)

Description copied from interface: ICache

删除一个key

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.