org.apache.flink.runtime.util

类 DefaultGroupCache<G,K,V>

java.lang.Object

org.apache.flink.runtime.util.DefaultGroupCache<G,K,V>

所有已实现的接口:

GroupCache<G,K,V>

@NotThreadSafe
public class DefaultGroupCache<G,K,V>
extends Object
implements GroupCache<G,K,V>

Default implement of GroupCache. Entries will be expired after timeout.

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	DefaultGroupCache.Factory<G,K,V> The Factory of DefaultGroupCache.

方法概要

限定符和类型	方法和说明
void	clear() clear all cache.
void	clearCacheForGroup(G group) Clear all caches of the corresponding group.
V	get(G group, K key) Get value in cache.
void	put(G group, K key, V value) Put group, key and value to cache.

从类继承的方法 java.lang.Object

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

方法详细资料

clear

public void clear()

从接口复制的说明: GroupCache

clear all cache.

指定者:

clear 在接口中 GroupCache<G,K,V>

get

public V get(G group,
             K key)

从接口复制的说明: GroupCache

Get value in cache.

指定者:

get 在接口中 GroupCache<G,K,V>

返回:

value in cache if exists, otherwise null

put

public void put(G group,
                K key,
                V value)

从接口复制的说明: GroupCache

Put group, key and value to cache.

指定者:

put 在接口中 GroupCache<G,K,V>

clearCacheForGroup

public void clearCacheForGroup(G group)

从接口复制的说明: GroupCache

Clear all caches of the corresponding group.

指定者:

clearCacheForGroup 在接口中 GroupCache<G,K,V>