eu.fthevenet.util.cache

Class LRUMapCapacityBound<K,V>

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap<K,V>

java.util.LinkedHashMap<K,V>

eu.fthevenet.util.cache.LRUMapCapacityBound<K,V>

Type Parameters:

K - type of keys

V - type of values

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.util.Map<K,V>

public class LRUMapCapacityBound<K,V>
extends java.util.LinkedHashMap<K,V>

Finite capacity map with a Least Recent Used eviction policy

Author:

Frederic Thevenet

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.util.AbstractMap

java.util.AbstractMap.SimpleEntry<K,V>, java.util.AbstractMap.SimpleImmutableEntry<K,V>

Constructor Summary

Constructors

Constructor and Description
LRUMapCapacityBound(int capacity) Initializes a new instance of the LRUMapCapacityBound class with the specified capacity
LRUMapCapacityBound(int capacity, java.util.Map<? extends K,? extends V> values) Initializes a new instance of the LRUMapCapacityBound class with the specified capacity and initial values

Method Summary

Modifier and Type	Method and Description
protected boolean	removeEldestEntry(java.util.Map.Entry<K,V> eldest)

Methods inherited from class java.util.LinkedHashMap

clear, containsValue, entrySet, forEach, get, getOrDefault, keySet, replaceAll, values

Methods inherited from class java.util.HashMap

clone, compute, computeIfAbsent, computeIfPresent, containsKey, isEmpty, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, size

Methods inherited from class java.util.AbstractMap

equals, hashCode, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map

compute, computeIfAbsent, computeIfPresent, containsKey, equals, hashCode, isEmpty, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, size

Constructor Detail

LRUMapCapacityBound

public LRUMapCapacityBound(int capacity)

Initializes a new instance of the LRUMapCapacityBound class with the specified capacity

Parameters:

capacity - the maximum capacity for the LRUMapCapacityBound

LRUMapCapacityBound

public LRUMapCapacityBound(int capacity,
                           java.util.Map<? extends K,? extends V> values)

Initializes a new instance of the LRUMapCapacityBound class with the specified capacity and initial values

Parameters:

capacity - the maximum capacity for the LRUMapCapacityBound

values - initial values to populate the LRUMapCapacityBound

Method Detail

removeEldestEntry

protected boolean removeEldestEntry(java.util.Map.Entry<K,V> eldest)

Overrides:

removeEldestEntry in class java.util.LinkedHashMap<K,V>