org.terrier.structures.collections

Class LRUMap<K,V>

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap<K,V>

java.util.LinkedHashMap<K,V>

org.terrier.structures.collections.LRUMap<K,V>

Type Parameters:

K - type of the key

V - type of the parameter

All Implemented Interfaces:

Serializable, Cloneable, Map<K,V>

public final class LRUMap<K,V>
extends LinkedHashMap<K,V>

A map with a fixed maximum size. The eldest entry will be removed when the maximum size is reached

Since:

3.0

Author:

Rodrygo Santos

See Also:

Serialized Form

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
static int	DEFAULT_SIZE DEFAULT_SIZE

Constructor Summary

Constructors

Constructor and Description
LRUMap() default constructor
LRUMap(int _maxSize) constructor
LRUMap(String sMaxSize) constructor

Method Summary

Modifier and Type	Method and Description
protected boolean	removeEldestEntry(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

Field Detail

DEFAULT_SIZE

public static final int DEFAULT_SIZE

DEFAULT_SIZE

See Also:

Constant Field Values

Constructor Detail

LRUMap

public LRUMap()

default constructor

LRUMap

public LRUMap(String sMaxSize)

constructor

Parameters:

sMaxSize -

LRUMap

public LRUMap(int _maxSize)

constructor

Parameters:

_maxSize -

Method Detail

removeEldestEntry

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

Overrides:

removeEldestEntry in class LinkedHashMap<K,V>