Package org.redisson.cache

Class LFUCacheMap<K,V>

java.lang.Object

org.redisson.cache.AbstractCacheMap<K,V>

org.redisson.cache.LFUCacheMap<K,V>

Type Parameters:

K - key

V - value

All Implemented Interfaces:

ConcurrentMap<K,V>, Map<K,V>, Cache<K,V>

public class LFUCacheMap<K,V>
extends AbstractCacheMap<K,V>

LFU (least frequently used) cache.

Author:

Nikita Koksharov

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	LFUCacheMap.LFUCachedValue
static class	LFUCacheMap.MapKey

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

Map.Entry<K extends Object,V extends Object>

Constructor Summary

Constructors

Constructor	Description
LFUCacheMap(int size, long timeToLiveInMillis, long maxIdleInMillis)

Method Summary

Modifier and Type	Method	Description
void	clear()
protected CachedValue	create(K key, V value, long ttl, long maxIdleTime)
protected void	onMapFull()
protected void	onValueCreate(CachedValue value)
protected void	onValueRead(CachedValue value)
protected void	onValueRemove(CachedValue value)

Methods inherited from class org.redisson.cache.AbstractCacheMap

containsKey, containsValue, entrySet, get, isEmpty, isFull, keySet, put, putAll, putIfAbsent, readValue, remove, remove, removeExpiredEntries, replace, replace, size, values

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.concurrent.ConcurrentMap

compute, computeIfAbsent, computeIfPresent, forEach, getOrDefault, merge, replaceAll

Methods inherited from interface java.util.Map

equals, hashCode

Constructor Details

LFUCacheMap

public LFUCacheMap(int size,
 long timeToLiveInMillis,
 long maxIdleInMillis)

Method Details

create

protected CachedValue create(K key,
 V value,
 long ttl,
 long maxIdleTime)

Overrides:

create in class AbstractCacheMap<K,V>

onValueCreate

protected void onValueCreate(CachedValue value)

Overrides:

onValueCreate in class AbstractCacheMap<K,V>

onValueRead

protected void onValueRead(CachedValue value)

Overrides:

onValueRead in class AbstractCacheMap<K,V>

onValueRemove

protected void onValueRemove(CachedValue value)

Overrides:

onValueRemove in class AbstractCacheMap<K,V>

onMapFull

protected void onMapFull()

Specified by:

onMapFull in class AbstractCacheMap<K,V>

clear

public void clear()

Specified by:

clear in interface Map<K,V>

Overrides:

clear in class AbstractCacheMap<K,V>