net.oschina.j2cache.caffeine

Class CaffeineCache

java.lang.Object

net.oschina.j2cache.caffeine.CaffeineCache

All Implemented Interfaces:

Cache, Level1Cache

public class CaffeineCache
extends Object
implements Level1Cache

Caffeine cache

Author:

Winter Lau(javayou@gmail.com)

Constructor Summary

Constructors

Constructor and Description
CaffeineCache(com.github.benmanes.caffeine.cache.Cache<String,Object> cache, long size, long expire)

Method Summary

Modifier and Type	Method and Description
void	clear() Clear the cache
void	evict(String... keys) Remove items from the cache
Map<String,Object>	get(Collection<String> keys) 批量获取缓存对象
Object	get(String key) Get an item from the cache, nontransactionally
Collection<String>	keys() Return all keys
void	put(Map<String,Object> elements) 批量插入数据
void	put(String key, Object value) Add an item to the cache, nontransactionally, with failfast semantics
long	size() 返回该缓存区域中，内存存储对象的最大数量
long	ttl() 返回该缓存区域的 TTL 设置（单位：秒）

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.oschina.j2cache.Cache

exists

Constructor Detail

CaffeineCache

public CaffeineCache(com.github.benmanes.caffeine.cache.Cache<String,Object> cache,
                     long size,
                     long expire)

Method Detail

ttl

public long ttl()

Description copied from interface: Level1Cache

返回该缓存区域的 TTL 设置（单位：秒）

Specified by:

ttl in interface Level1Cache

Returns:

true if cache support ttl setting

size

public long size()

Description copied from interface: Level1Cache

返回该缓存区域中，内存存储对象的最大数量

Specified by:

size in interface Level1Cache

Returns:

cache size in memory

get

public Object get(String key)

Description copied from interface: Cache

Get an item from the cache, nontransactionally

Specified by:

get in interface Cache

Parameters:

key - cache key

Returns:

the cached object or null

get

public Map<String,Object> get(Collection<String> keys)

Description copied from interface: Cache

批量获取缓存对象

Specified by:

get in interface Cache

Parameters:

keys - cache keys

Returns:

return key-value objects

put

public void put(String key,
                Object value)

Description copied from interface: Cache

Add an item to the cache, nontransactionally, with failfast semantics

Specified by:

put in interface Cache

Parameters:

key - cache key

value - cache value

put

public void put(Map<String,Object> elements)

Description copied from interface: Cache

批量插入数据

Specified by:

put in interface Cache

Parameters:

elements - objects to be put in cache

keys

public Collection<String> keys()

Description copied from interface: Cache

Return all keys

Specified by:

keys in interface Cache

Returns:

返回键的集合

evict

public void evict(String... keys)

Description copied from interface: Cache

Remove items from the cache

Specified by:

evict in interface Cache

Parameters:

keys - Cache key

clear

public void clear()

Description copied from interface: Cache

Clear the cache

Specified by:

clear in interface Cache