Class MultiMap<K,V>

java.lang.Object

cool.scx.collections.multi_map.MultiMap<K,V>

All Implemented Interfaces:

IMultiMap<K,V>, Iterable<IMultiMapEntry<K,V>>

public class MultiMap<K,V>
extends Object
implements IMultiMap<K,V>

MultiMap

Version:

0.0.1

Author:

scx567888

Constructor Summary

Constructors

Constructor	Description
MultiMap()	默认内部 map 使用 HashMap, list 使用 ArrayList
MultiMap(Supplier<Map<K,List<V>>> mapSupplier, Supplier<List<V>> listSupplier)	指定内部的 map 实现和内部的 list 实现

Method Summary

Modifier and Type	Method	Description
void	add(IMultiMap<? extends K, ? extends V> map)
void	add(Map<? extends K, ? extends V> map)
boolean	add(K key, Collection<? extends V> values)
boolean	add(K key, V value)
boolean	add(K key, V... values)
void	clear()
boolean	containsKey(K key)
boolean	containsValue(V value)
<E extends Throwable> void	forEach(cool.scx.functional.ScxBiConsumer<? super K, V, E> action)
<E extends Throwable> void	forEachEntry(cool.scx.functional.ScxBiConsumer<? super K, List<V>, E> action)
V	get(K key)	获取首个值
List<V>	getAll(K key)	获取所有值
boolean	isEmpty()
Iterator<IMultiMapEntry<K,V>>	iterator()
Set<K>	keys()
boolean	remove(K key, Collection<? extends V> values)
boolean	remove(K key, V value)
boolean	remove(K key, V... values)
List<V>	removeAll(K key)
void	set(IMultiMap<? extends K, ? extends V> map)
void	set(Map<? extends K, ? extends V> map)
List<V>	set(K key, Collection<? extends V> values)
List<V>	set(K key, V value)
List<V>	set(K key, V... values)
long	size()	返回 MultiMap 中所有键对应的所有值的总数量 (即所有 values 的扁平总和)
Map<K,List<V>>	toMultiValueMap()
Map<K,V>	toSingleValueMap()
Map<K,V>	toSingleValueMap(Supplier<Map<K,V>> mapSupplier)
String	toString()
List<V>	values()	返回 MultiMap 中所有值的扁平集合 (所有键对应的 values 合并成一个列表)

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

MultiMap

public MultiMap()

默认内部 map 使用 HashMap, list 使用 ArrayList

MultiMap

public MultiMap(Supplier<Map<K,List<V>>> mapSupplier,
 Supplier<List<V>> listSupplier)

指定内部的 map 实现和内部的 list 实现

Method Details

add

public boolean add(K key,
 V value)

Specified by:

add in interface IMultiMap<K,V>

add

public boolean add(K key,
 V... values)

Specified by:

add in interface IMultiMap<K,V>

add

public boolean add(K key,
 Collection<? extends V> values)

Specified by:

add in interface IMultiMap<K,V>

add

public void add(Map<? extends K, ? extends V> map)

Specified by:

add in interface IMultiMap<K,V>

add

public void add(IMultiMap<? extends K, ? extends V> map)

Specified by:

add in interface IMultiMap<K,V>

set

public List<V> set(K key,
 V value)

Specified by:

set in interface IMultiMap<K,V>

set

public List<V> set(K key,
 V... values)

Specified by:

set in interface IMultiMap<K,V>

set

public List<V> set(K key,
 Collection<? extends V> values)

Specified by:

set in interface IMultiMap<K,V>

set

public void set(Map<? extends K, ? extends V> map)

Specified by:

set in interface IMultiMap<K,V>

set

public void set(IMultiMap<? extends K, ? extends V> map)

Specified by:

set in interface IMultiMap<K,V>

get

public V get(K key)

Description copied from interface: IMultiMap

获取首个值

Specified by:

get in interface IMultiMap<K,V>

getAll

public List<V> getAll(K key)

Description copied from interface: IMultiMap

获取所有值

Specified by:

getAll in interface IMultiMap<K,V>

containsKey

public boolean containsKey(K key)

Specified by:

containsKey in interface IMultiMap<K,V>

containsValue

public boolean containsValue(V value)

Specified by:

containsValue in interface IMultiMap<K,V>

remove

public boolean remove(K key,
 V value)

Specified by:

remove in interface IMultiMap<K,V>

remove

public boolean remove(K key,
 V... values)

Specified by:

remove in interface IMultiMap<K,V>

remove

public boolean remove(K key,
 Collection<? extends V> values)

Specified by:

remove in interface IMultiMap<K,V>

removeAll

public List<V> removeAll(K key)

Specified by:

removeAll in interface IMultiMap<K,V>

keys

public Set<K> keys()

Specified by:

keys in interface IMultiMap<K,V>

values

public List<V> values()

Description copied from interface: IMultiMap

返回 MultiMap 中所有值的扁平集合 (所有键对应的 values 合并成一个列表)

Specified by:

values in interface IMultiMap<K,V>

size

public long size()

Description copied from interface: IMultiMap

返回 MultiMap 中所有键对应的所有值的总数量 (即所有 values 的扁平总和)

Specified by:

size in interface IMultiMap<K,V>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface IMultiMap<K,V>

clear

public void clear()

Specified by:

clear in interface IMultiMap<K,V>

toMultiValueMap

public Map<K,List<V>> toMultiValueMap()

Specified by:

toMultiValueMap in interface IMultiMap<K,V>

toSingleValueMap

public Map<K,V> toSingleValueMap()

Specified by:

toSingleValueMap in interface IMultiMap<K,V>

toSingleValueMap

public Map<K,V> toSingleValueMap(Supplier<Map<K,V>> mapSupplier)

Specified by:

toSingleValueMap in interface IMultiMap<K,V>

forEach

public <E extends Throwable> void forEach(cool.scx.functional.ScxBiConsumer<? super K, V, E> action)
                                   throws E

Specified by:

forEach in interface IMultiMap<K,V>

Throws:

E

forEachEntry

public <E extends Throwable> void forEachEntry(cool.scx.functional.ScxBiConsumer<? super K, List<V>, E> action)
                                        throws E

Specified by:

forEachEntry in interface IMultiMap<K,V>

Throws:

E

iterator

public Iterator<IMultiMapEntry<K,V>> iterator()

Specified by:

iterator in interface Iterable<K>

toString

public String toString()

Overrides:

toString in class Object