com.jn.langx.cache

接口 Cache<K,V>

所有已知实现类:

AbstractCache, BaseCache, FIFOCache, LRUCache, SimpleCache

public interface Cache<K,V>

方法概要

限定符和类型	方法和说明
void	cancelRefreshAll()
void	clean()
void	evictExpired()
V	get(K key) get by key
V	get(K key, Supplier<K,V> loader)
Map<K,V>	getAll(Iterable<K> keys) multiple get
Map<K,V>	getAllIfPresent(Iterable<K> keys) multiple get
V	getIfPresent(K key)
Set<K>	keys()
void	refresh(K key)
void	refreshAllAsync(int delay, boolean fixed) 刷新所有
List<V>	remove(Collection<K> keys)
V	remove(K key)
void	set(K key, V value) set a key-value to cache, with out expire time never
void	set(K key, V value, long expireTime) set a key-value to cache, with the specified expire time
void	set(K key, V value, long ttl, TimeUnit timeUnit) set a key-value to cache, with the specified expire time
int	size()
Map<K,V>	toMap()

方法详细资料

set

void set(@NonNull
         K key,
         @Nullable
         V value)

set a key-value to cache, with out expire time never

参数:

key - the key

value - the value

set

void set(@NonNull
         K key,
         @Nullable
         V value,
         long expireTime)

set a key-value to cache, with the specified expire time

参数:

key - the key

value - the value

expireTime - the expire time

set

void set(@NonNull
         K key,
         @Nullable
         V value,
         long ttl,
         TimeUnit timeUnit)

set a key-value to cache, with the specified expire time

参数:

key - the key

value - the value

ttl - the time-to-live time, the live time

get

V get(@NonNull
      K key)

get by key

参数:

key - the key

返回:

the value, null if key is not exist

getAll

Map<K,V> getAll(@NonNull
                Iterable<K> keys)

multiple get

参数:

keys - get the specified keys

返回:

the values

getAllIfPresent

Map<K,V> getAllIfPresent(@NonNull
                         Iterable<K> keys)

multiple get

参数:

keys - get the specified keys

返回:

the values

getIfPresent

V getIfPresent(@NonNull
               K key)

get

V get(@NonNull
      K key,
      @Nullable
      Supplier<K,V> loader)

remove

V remove(@NonNull
         K key)

remove

List<V> remove(Collection<K> keys)

refresh

void refresh(@NonNull
             K key)

refreshAllAsync

void refreshAllAsync(int delay,
                     boolean fixed)

刷新所有

参数:

fixed - 是否为固定频率的（周期）刷新，若为true，则delay 必须 >0

delay - 延迟时间，delay <=0 代表立即刷新， 大于0则代表延迟刷新

从以下版本开始:

4.0.4

cancelRefreshAll

void cancelRefreshAll()

从以下版本开始:

4.0.4

evictExpired

void evictExpired()

从以下版本开始:

4.0.4

keys

Set<K> keys()

从以下版本开始:

4.0.4

clean

void clean()

size

int size()

toMap

Map<K,V> toMap()