Class CountMap<K>

java.lang.Object

cool.scx.common.count_map.CountMap<K>

Type Parameters:

K - Key

All Implemented Interfaces:

ICountMap<K>, Iterable<Map.Entry<K,Long>>

public class CountMap<K>
extends Object
implements ICountMap<K>

CountMap

Version:

0.0.1

Author:

scx567888

Constructor Summary

Constructors

Constructor	Description
CountMap()
CountMap(Supplier<Map<K,AtomicLong>> mapSupplier)

Method Summary

Modifier and Type	Method	Description
long	add(K key, long count)	add
void	clear()
Long	get(K key)	get
boolean	isEmpty()
Iterator<Map.Entry<K,Long>>	iterator()
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)
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Details

CountMap

public CountMap(Supplier<Map<K,AtomicLong>> mapSupplier)

CountMap

public CountMap()

Method Details

add

public long add(K key,
 long count)

Description copied from interface: ICountMap

add

Specified by:

add in interface ICountMap<K>

Parameters:

key - key

count - count

Returns:

添加后的数量

set

public Long set(K key,
 long count)

Description copied from interface: ICountMap

set

Specified by:

set in interface ICountMap<K>

Parameters:

key - key

count - count

Returns:

之前的数量 (可为空)

get

public Long get(K key)

Description copied from interface: ICountMap

get

Specified by:

get in interface ICountMap<K>

Parameters:

key - key

Returns:

数量 (可为空)

remove

public Long remove(K key)

Description copied from interface: ICountMap

set

Specified by:

remove in interface ICountMap<K>

Parameters:

key - key

Returns:

之前的数量 (可为空)

size

public long size()

Specified by:

size in interface ICountMap<K>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface ICountMap<K>

clear

public void clear()

Specified by:

clear in interface ICountMap<K>

keys

public Set<K> keys()

Specified by:

keys in interface ICountMap<K>

toMap

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

Specified by:

toMap in interface ICountMap<K>

toMap

public Map<K,Long> toMap()

Specified by:

toMap in interface ICountMap<K>

iterator

public Iterator<Map.Entry<K,Long>> iterator()

Specified by:

iterator in interface Iterable<K>

toString

public String toString()

Overrides:

toString in class Object