org.apache.cassandra.utils

Class ExpiringMap<K,V>

java.lang.Object

org.apache.cassandra.utils.ExpiringMap<K,V>

public class ExpiringMap<K,V>
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ExpiringMap.CacheableObject<T>

Constructor Summary

Constructors

Constructor and Description
ExpiringMap(long defaultExpiration)
ExpiringMap(long defaultExpiration, com.google.common.base.Function<Pair<K,ExpiringMap.CacheableObject<V>>,?> postExpireHook)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	containsKey(K key)
V	get(K key)
long	getAge(K key)
boolean	isEmpty()
java.util.Set<K>	keySet()
V	put(K key, V value)
V	put(K key, V value, long timeout)
V	remove(K key)
void	reset()
void	shutdownBlocking()
int	size()

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpiringMap

public ExpiringMap(long defaultExpiration)

ExpiringMap

public ExpiringMap(long defaultExpiration,
           com.google.common.base.Function<Pair<K,ExpiringMap.CacheableObject<V>>,?> postExpireHook)

Parameters:

defaultExpiration - the TTL for objects in the cache in milliseconds

Method Detail

shutdownBlocking

public void shutdownBlocking()

reset

public void reset()

put

public V put(K key,
    V value)

put

public V put(K key,
    V value,
    long timeout)

get

public V get(K key)

remove

public V remove(K key)

getAge

public long getAge(K key)

Returns:

System.nanoTime() when key was put into the map.

size

public int size()

containsKey

public boolean containsKey(K key)

isEmpty

public boolean isEmpty()

keySet

public java.util.Set<K> keySet()