net.jini.jeri.kerberos

Class KerberosUtil.SoftCache.LRUHashMap

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap<K,V>

java.util.LinkedHashMap

net.jini.jeri.kerberos.KerberosUtil.SoftCache.LRUHashMap

All Implemented Interfaces:

Serializable, Cloneable, Map

Enclosing class:

KerberosUtil.SoftCache

private static class KerberosUtil.SoftCache.LRUHashMap
extends LinkedHashMap

A linked hash map that implements LRU replacement policy

Nested Class Summary

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

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

Field Summary

Fields

Modifier and Type	Field and Description
private int	maxCacheSize
private static long	serialVersionUID

Constructor Summary

Constructors

Constructor and Description
LRUHashMap(int maxCacheSize, int initialCapacity) Construct an instance of the hash map.

Method Summary

Modifier and Type	Method and Description
protected boolean	removeEldestEntry(Map.Entry 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

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

maxCacheSize

private int maxCacheSize

Constructor Detail

LRUHashMap

LRUHashMap(int maxCacheSize,
           int initialCapacity)

Construct an instance of the hash map.

Parameters:

maxCacheSize - maximum number of entries allowed in this map

initialCapacity - initial capacity of the map

Throws:

IllegalArgumentException - if maxCacheSize is negative

Method Detail

removeEldestEntry

protected boolean removeEldestEntry(Map.Entry eldest)

Overrides:

removeEldestEntry in class LinkedHashMap