Package adams.core

Class LRUCache.LRUCacheLinkedHashMap

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap<K,V>

java.util.LinkedHashMap<K,V>

adams.core.LRUCache.LRUCacheLinkedHashMap

All Implemented Interfaces:

Serializable, Cloneable, Map<K,V>

Enclosing class:

LRUCache<K,V>

protected class LRUCache.LRUCacheLinkedHashMap
extends LinkedHashMap<K,V>

The class that does the actual caching.

Version:

$Revision$

Author:

Christian d'Heureuse (www.source-code.biz), FracPete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Nested Class Summary

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

AbstractMap.SimpleEntry<K extends Object,V extends Object>, AbstractMap.SimpleImmutableEntry<K extends Object,V extends Object>

Constructor Summary

Constructors

Constructor	Description
LRUCacheLinkedHashMap(int capacity, float loadFactor)	the constructor.

Method Summary

Modifier and Type	Method	Description
protected boolean	removeEldestEntry(Map.Entry<K,V> eldest)	Returns whether the oldest entry has to be removed.

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

LRUCacheLinkedHashMap

public LRUCacheLinkedHashMap(int capacity,
                             float loadFactor)

the constructor.

Parameters:

capacity - the capacity of the cache

loadFactor - the load factor of the hashtable

Method Detail

removeEldestEntry

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

Returns whether the oldest entry has to be removed.

Overrides:

removeEldestEntry in class LinkedHashMap<K,V>

Parameters:

eldest - the entry

Returns:

true if the cache is full