Package com.norconex.commons.lang.map

Class FifoMap<K,V>

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap<K,V>

java.util.LinkedHashMap<K,V>

com.norconex.commons.lang.map.FifoMap<K,V>

Type Parameters:

K - the type of keys maintained by this map

V - the type of mapped values

All Implemented Interfaces:

Serializable, Cloneable, Map<K,V>

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

Simple FIFO Map base on LinkedHashMap. This class is not thread safe (must be synchronized externally).

Since:

2.0.0

Author:

Pascal Essiembre

See Also:

• Collections.synchronizedMap(Map)
• 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
FifoMap(int maxSize)

Method Summary

Modifier and Type	Method	Description
int	getMaxSize()
protected boolean	removeEldestEntry(Map.Entry<K,V> entry)

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 Details

FifoMap

public FifoMap(int maxSize)

Method Details

getMaxSize

public int getMaxSize()

removeEldestEntry

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

Overrides:

removeEldestEntry in class LinkedHashMap<K,V>