Interface ICountMap<K>

Type Parameters:

K - Key

All Superinterfaces:

Iterable<Map.Entry<K,Long>>

All Known Implementing Classes:

CountMap

public interface ICountMap<K>
extends Iterable<Map.Entry<K,Long>>

CountMap 接口 用来约束

Version:

0.0.1

Author:

scx567888

Method Summary

Modifier and Type	Method	Description
long	add(K key, long count)	add
void	clear()
Long	get(K key)	get
boolean	isEmpty()
Set<K>	keys()
Long	remove(K key)	set
Long	set(K key, long count)	set
long	size()
Map<K,Long>	toMap()
Map<K,Long>	toMap(Supplier<Map<K,Long>> mapSupplier)

Methods inherited from interface java.lang.Iterable

forEach, iterator, spliterator

Method Details

add

long add(K key,
 long count)

add

Parameters:

key - key

count - count

Returns:

添加后的数量

set

Long set(K key,
 long count)

set

Parameters:

key - key

count - count

Returns:

之前的数量 (可为空)

get

Long get(K key)

get

Parameters:

key - key

Returns:

数量 (可为空)

remove

Long remove(K key)

set

Parameters:

key - key

Returns:

之前的数量 (可为空)

size

long size()

isEmpty

boolean isEmpty()

clear

void clear()

keys

Set<K> keys()

toMap

Map<K,Long> toMap()

toMap

Map<K,Long> toMap(Supplier<Map<K,Long>> mapSupplier)