tech.iooo.boot.netty.concurrent

Class IntToObjectArrayMap<T>

java.lang.Object

tech.iooo.boot.netty.concurrent.IntToObjectArrayMap<T>

public class IntToObjectArrayMap<T>
extends Object

高性能，仅适用于key值比较少的情况，不能超过512k个

Author:

Hank

Field Summary

Fields

Modifier and Type	Field and Description
static int	MAXIMUM_CAPACITY
static Object	NOT_FOUND

Constructor Summary

Constructors

Constructor and Description
IntToObjectArrayMap()
IntToObjectArrayMap(int initialCapacity)

Method Summary

Modifier and Type	Method and Description
void	clear()
boolean	contains(int key)
T	get(int key)
T	getOrUpdate(int key, Supplier<T> producer)
static void	main(String[] args)
void	put(int key, T value)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

NOT_FOUND

public static final Object NOT_FOUND

MAXIMUM_CAPACITY

public static final int MAXIMUM_CAPACITY

See Also:

Constant Field Values

Constructor Detail

IntToObjectArrayMap

public IntToObjectArrayMap()

IntToObjectArrayMap

public IntToObjectArrayMap(int initialCapacity)

Method Detail

main

public static void main(String[] args)

contains

public boolean contains(int key)

get

public T get(int key)

Returns:

null为找不到

getOrUpdate

public T getOrUpdate(int key,
                     Supplier<T> producer)

put

public void put(int key,
                T value)

Parameters:

key - 大于零，小于256k

clear

public void clear()