org.apache.dubbo.cache.support.expiring

Class ExpiringMap<K,V>

java.lang.Object

org.apache.dubbo.cache.support.expiring.ExpiringMap<K,V>

All Implemented Interfaces:

Map<K,V>

public class ExpiringMap<K,V>
extends Object
implements Map<K,V>

can be expired map Contains a background thread that periodically checks if the data is out of date

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	ExpiringMap.ExpireThread Background thread, periodically checking if the data is out of date

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K,V>

Constructor Summary

Constructors

Constructor and Description
ExpiringMap()
ExpiringMap(int timeToLive) Constructor
ExpiringMap(int timeToLive, int expirationInterval)

Method Summary

Modifier and Type	Method and Description
void	clear()
boolean	containsKey(Object key)
boolean	containsValue(Object value)
Set<Map.Entry<K,V>>	entrySet()
boolean	equals(Object obj)
V	get(Object key)
int	getExpirationInterval()
ExpiringMap.ExpireThread	getExpireThread()
int	getTimeToLive()
int	hashCode()
boolean	isEmpty()
Set<K>	keySet()
V	put(K key, V value)
void	putAll(Map<? extends K,? extends V> inMap)
V	remove(Object key)
void	setExpirationInterval(int expirationInterval)
void	setTimeToLive(int timeToLive)
int	size()
String	toString()
Collection<V>	values()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map

compute, computeIfAbsent, computeIfPresent, forEach, getOrDefault, merge, putIfAbsent, remove, replace, replace, replaceAll

Constructor Detail

ExpiringMap

public ExpiringMap()

ExpiringMap

public ExpiringMap(int timeToLive)

Constructor

Parameters:

timeToLive - time to live (second)

ExpiringMap

public ExpiringMap(int timeToLive,
                   int expirationInterval)

Method Detail

put

public V put(K key,
             V value)

Specified by:

put in interface Map<K,V>

get

public V get(Object key)

Specified by:

get in interface Map<K,V>

remove

public V remove(Object key)

Specified by:

remove in interface Map<K,V>

containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map<K,V>

containsValue

public boolean containsValue(Object value)

Specified by:

containsValue in interface Map<K,V>

size

public int size()

Specified by:

size in interface Map<K,V>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map<K,V>

clear

public void clear()

Specified by:

clear in interface Map<K,V>

hashCode

public int hashCode()

Specified by:

hashCode in interface Map<K,V>

Overrides:

hashCode in class Object

keySet

public Set<K> keySet()

Specified by:

keySet in interface Map<K,V>

equals

public boolean equals(Object obj)

Specified by:

equals in interface Map<K,V>

Overrides:

equals in class Object

putAll

public void putAll(Map<? extends K,? extends V> inMap)

Specified by:

putAll in interface Map<K,V>

values

public Collection<V> values()

Specified by:

values in interface Map<K,V>

entrySet

public Set<Map.Entry<K,V>> entrySet()

Specified by:

entrySet in interface Map<K,V>

getExpireThread

public ExpiringMap.ExpireThread getExpireThread()

getExpirationInterval

public int getExpirationInterval()

setExpirationInterval

public void setExpirationInterval(int expirationInterval)

getTimeToLive

public int getTimeToLive()

setTimeToLive

public void setTimeToLive(int timeToLive)

toString

public String toString()

Overrides:

toString in class Object