de.aristaflow.adept2.util

Class Cache<K,V>

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap<K,V>

java.util.LinkedHashMap<K,V>

de.aristaflow.adept2.util.Cache<K,V>

Type Parameters:

K - The type of the index of the cache.

V - The type of the objects of the cache.

All Implemented Interfaces:

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

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

Cache implementation. This cache stores a maximum of objects, deleting the least recently used ones.

Author:

Bastian Gloeckle

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>

Field Summary

Fields

Modifier and Type	Field and Description
protected long	maxSize The maximum size this cache should have

Constructor Summary

Constructors

Constructor and Description
Cache(long size) Constructor, taking the size of the cache as argument.

Method Summary

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

Methods inherited from class java.util.LinkedHashMap

clear, containsValue, entrySet, forEach, 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

Field Detail

maxSize

protected final long maxSize

The maximum size this cache should have

Constructor Detail

Cache

public Cache(long size)

Constructor, taking the size of the cache as argument.

Parameters:

size -

Method Detail

get

public V get(java.lang.Object key)

Specified by:

get in interface java.util.Map<K,V>

Overrides:

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

removeEldestEntry

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

Overrides:

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