cn.orionsec.kit.lang.utils.collect

Class Maps

java.lang.Object

cn.orionsec.kit.lang.utils.collect.Maps

public class Maps
extends Object

Map 工具类

Since:

2020/4/29 16:47

Version:

1.0.0

Author:

Jiahang Li

Method Summary

Modifier and Type	Method and Description
static <K,V> void	combine(Map<K,V> sourceMap, Map<K,V> addMap) 合并 map 如果对象是 map 将会再次合并
static <K,V> Map<K,V>	def(Map<K,V> map)
static <K,V> Map<K,V>	def(Map<K,V> map, Map<K,V> def)
static <K,V> Map<K,V>	def(Map<K,V> map, Supplier<Map<K,V>> def)
static <K,V> Map<K,V>	empty()
static <K,V> void	fill(Map<K,V> map, V value) 将指定元素装配给集合
static <K,V> Map.Entry<K,V>	first(Map<K,V> m) 获取第一个元素
static <K,V> void	forEach(Map<K,V> map, BiConsumer<? super K,? super V> action) 遍历
static <K,V> V	get(Map<K,V> map, K k)
static int	getNoCapacitySize(int size) 获取不扩容的map size
static <K,V> V	getSet(Map<K,V> map, K k, V v)
static boolean	isAllEmpty(Map<?,?>... mapArray) map 是否全为空
static boolean	isEmpty(Map<?,?> map) map 是否为空
static boolean	isNoneEmpty(Map<?,?>... mapArray) map 是否全不为空
static boolean	isNotEmpty(Map<?,?> map) map 是否不为空
static <K,V> Map.Entry<K,V>	last(Map<K,V> map) 获取最后一个元素
static <K1,V1,K2,V2> Map<K2,V2>	map(Map<K1,V1> map, Function<K1,K2> keyMapper, Function<V1,V2> valueMapper)
static <K1,K2,V> Map<K2,V>	mapKey(Map<K1,V> map, Function<K1,K2> mapper)
static <K,V1,V2> Map<K,V2>	mapValue(Map<K,V1> map, Function<V1,V2> mapper)
static <K,V> void	merge(Map<K,V> sourceMap, Map<K,V>... mapArray) 合并 map 将会覆盖 sourceMap
static Map<String,Object>	multiToSingleMap(Map<String,?> map) 多层转单层
static <K,V> ConcurrentReferenceHashMap<K,V>	newConcurrentSoftHashMap()
static <K,V> ConcurrentReferenceHashMap<K,V>	newConcurrentSoftHashMap(int capacity)
static <K,V> ConcurrentReferenceHashMap<K,V>	newConcurrentWeakHashMap()
static <K,V> ConcurrentReferenceHashMap<K,V>	newConcurrentWeakHashMap(int capacity)
static <K,V> ConcurrentHashMap<K,V>	newCurrentHashMap()
static <K,V> ConcurrentHashMap<K,V>	newCurrentHashMap(int capacity)
static <K,V> ConcurrentHashMap<K,V>	newCurrentHashMap(Map<? extends K,? extends V> m)
static <K,V> IdentityHashMap<K,V>	newIdentityHashMap()
static <K,V> IdentityHashMap<K,V>	newIdentityHashMap(int capacity)
static <K,V> IdentityHashMap<K,V>	newIdentityHashMap(Map<? extends K,? extends V> m)
static <K,V> LinkedHashMap<K,V>	newLinkedMap()
static <K,V> LinkedHashMap<K,V>	newLinkedMap(int capacity)
static <K,V> LinkedHashMap<K,V>	newLinkedMap(Map<? extends K,? extends V> m)
static <K,V> Map<K,V>	newMap()
static <K,V> Map<K,V>	newMap(int capacity)
static <K,V> Map<K,V>	newMap(Map<? extends K,? extends V> m)
static <K,V> MutableConcurrentHashMap<K,V>	newMutableConcurrentHashMap()
static <K,V> MutableConcurrentHashMap<K,V>	newMutableConcurrentHashMap(int capacity)
static <K,V> MutableConcurrentHashMap<K,V>	newMutableConcurrentHashMap(Map<? extends K,? extends V> m)
static <K,V> MutableLinkedHashMap<K,V>	newMutableLinkedMap()
static <K,V> MutableLinkedHashMap<K,V>	newMutableLinkedMap(int capacity)
static <K,V> MutableLinkedHashMap<K,V>	newMutableLinkedMap(Map<? extends K,? extends V> m)
static <K,V> MutableHashMap<K,V>	newMutableMap()
static <K,V> MutableHashMap<K,V>	newMutableMap(int capacity)
static <K,V> MutableHashMap<K,V>	newMutableMap(Map<? extends K,? extends V> m)
static <K,V> MutableTreeMap<K,V>	newMutableTreeMap()
static <K,V> MutableTreeMap<K,V>	newMutableTreeMap(Comparator<? super K> comparator)
static <K,V> MutableTreeMap<K,V>	newMutableTreeMap(Map<? extends K,? extends V> m)
static <K,V> MutableTreeMap<K,V>	newMutableTreeMap(SortedMap<K,? extends V> m)
static <K,V> Map<K,V>	newSynchronizedMap()
static <K,V> Map<K,V>	newSynchronizedMap(Map<K,V> m)
static <K,V> TreeMap<K,V>	newTreeMap()
static <K,V> TreeMap<K,V>	newTreeMap(Comparator<? super K> comparator)
static <K,V> TreeMap<K,V>	newTreeMap(Map<? extends K,? extends V> m)
static <K,V> WeakHashMap<K,V>	newWeakHashMap()
static <K,V> WeakHashMap<K,V>	newWeakHashMap(int capacity)
static <K,V> WeakHashMap<K,V>	newWeakHashMap(Map<? extends K,? extends V> m)
static <E extends Map.Entry<K,V>,K,V> Map<K,V>	of(E... entries)
static <K,V> Map<K,V>	of(K[] keys, V[] values)
static <K,V> Map<K,V>	of(Object... kv)
static <K,V> Set<Map<K,V>>	partition(Map<K,V> map, int size) map 分片
static <K,V> Pair<K,V>	random(Map<K,V> map) 从map随机获取一个元素
static <K,V> void	set(Map<K,V> map, K k, V v)
static <K,V> void	set(Map<K,V> map, K k, V v, boolean force)
static <K,V> void	setex(Map<K,V> map, K k, V v)
static <K,V> Map<K,V>	singleton(K k, V v)
static int	size(Map<?,?> map) map 长度
static <K,V> Map<K,V>	unmodified(Map<? extends K,? extends V> c)
static <K,V> SortedMap<K,V>	unmodified(SortedMap<K,? extends V> c)

Methods inherited from class java.lang.Object

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

Method Detail

newMap

public static <K,V> Map<K,V> newMap()

newMap

public static <K,V> Map<K,V> newMap(int capacity)

newMap

public static <K,V> Map<K,V> newMap(Map<? extends K,? extends V> m)

newTreeMap

public static <K,V> TreeMap<K,V> newTreeMap()

newTreeMap

public static <K,V> TreeMap<K,V> newTreeMap(Comparator<? super K> comparator)

newTreeMap

public static <K,V> TreeMap<K,V> newTreeMap(Map<? extends K,? extends V> m)

newLinkedMap

public static <K,V> LinkedHashMap<K,V> newLinkedMap()

newLinkedMap

public static <K,V> LinkedHashMap<K,V> newLinkedMap(int capacity)

newLinkedMap

public static <K,V> LinkedHashMap<K,V> newLinkedMap(Map<? extends K,? extends V> m)

newCurrentHashMap

public static <K,V> ConcurrentHashMap<K,V> newCurrentHashMap()

newCurrentHashMap

public static <K,V> ConcurrentHashMap<K,V> newCurrentHashMap(int capacity)

newCurrentHashMap

public static <K,V> ConcurrentHashMap<K,V> newCurrentHashMap(Map<? extends K,? extends V> m)

newMutableMap

public static <K,V> MutableHashMap<K,V> newMutableMap()

newMutableMap

public static <K,V> MutableHashMap<K,V> newMutableMap(int capacity)

newMutableMap

public static <K,V> MutableHashMap<K,V> newMutableMap(Map<? extends K,? extends V> m)

newMutableTreeMap

public static <K,V> MutableTreeMap<K,V> newMutableTreeMap()

newMutableTreeMap

public static <K,V> MutableTreeMap<K,V> newMutableTreeMap(Comparator<? super K> comparator)

newMutableTreeMap

public static <K,V> MutableTreeMap<K,V> newMutableTreeMap(SortedMap<K,? extends V> m)

newMutableTreeMap

public static <K,V> MutableTreeMap<K,V> newMutableTreeMap(Map<? extends K,? extends V> m)

newMutableLinkedMap

public static <K,V> MutableLinkedHashMap<K,V> newMutableLinkedMap()

newMutableLinkedMap

public static <K,V> MutableLinkedHashMap<K,V> newMutableLinkedMap(int capacity)

newMutableLinkedMap

public static <K,V> MutableLinkedHashMap<K,V> newMutableLinkedMap(Map<? extends K,? extends V> m)

newMutableConcurrentHashMap

public static <K,V> MutableConcurrentHashMap<K,V> newMutableConcurrentHashMap()

newMutableConcurrentHashMap

public static <K,V> MutableConcurrentHashMap<K,V> newMutableConcurrentHashMap(int capacity)

newMutableConcurrentHashMap

public static <K,V> MutableConcurrentHashMap<K,V> newMutableConcurrentHashMap(Map<? extends K,? extends V> m)

newIdentityHashMap

public static <K,V> IdentityHashMap<K,V> newIdentityHashMap()

newIdentityHashMap

public static <K,V> IdentityHashMap<K,V> newIdentityHashMap(int capacity)

newIdentityHashMap

public static <K,V> IdentityHashMap<K,V> newIdentityHashMap(Map<? extends K,? extends V> m)

newWeakHashMap

public static <K,V> WeakHashMap<K,V> newWeakHashMap()

newWeakHashMap

public static <K,V> WeakHashMap<K,V> newWeakHashMap(int capacity)

newWeakHashMap

public static <K,V> WeakHashMap<K,V> newWeakHashMap(Map<? extends K,? extends V> m)

newConcurrentWeakHashMap

public static <K,V> ConcurrentReferenceHashMap<K,V> newConcurrentWeakHashMap()

newConcurrentWeakHashMap

public static <K,V> ConcurrentReferenceHashMap<K,V> newConcurrentWeakHashMap(int capacity)

newConcurrentSoftHashMap

public static <K,V> ConcurrentReferenceHashMap<K,V> newConcurrentSoftHashMap()

newConcurrentSoftHashMap

public static <K,V> ConcurrentReferenceHashMap<K,V> newConcurrentSoftHashMap(int capacity)

newSynchronizedMap

public static <K,V> Map<K,V> newSynchronizedMap()

newSynchronizedMap

public static <K,V> Map<K,V> newSynchronizedMap(Map<K,V> m)

unmodified

public static <K,V> Map<K,V> unmodified(Map<? extends K,? extends V> c)

unmodified

public static <K,V> SortedMap<K,V> unmodified(SortedMap<K,? extends V> c)

singleton

public static <K,V> Map<K,V> singleton(K k,
                                       V v)

empty

public static <K,V> Map<K,V> empty()

getNoCapacitySize

public static int getNoCapacitySize(int size)

获取不扩容的map size

Parameters:

size - 长度

Returns:

不扩容的长度

def

public static <K,V> Map<K,V> def(Map<K,V> map)

def

public static <K,V> Map<K,V> def(Map<K,V> map,
                                 Map<K,V> def)

def

public static <K,V> Map<K,V> def(Map<K,V> map,
                                 Supplier<Map<K,V>> def)

of

@SafeVarargs
public static <E extends Map.Entry<K,V>,K,V> Map<K,V> of(E... entries)

of

public static <K,V> Map<K,V> of(K[] keys,
                                V[] values)

of

public static <K,V> Map<K,V> of(Object... kv)

mapKey

public static <K1,K2,V> Map<K2,V> mapKey(Map<K1,V> map,
                                         Function<K1,K2> mapper)

mapValue

public static <K,V1,V2> Map<K,V2> mapValue(Map<K,V1> map,
                                           Function<V1,V2> mapper)

map

public static <K1,V1,K2,V2> Map<K2,V2> map(Map<K1,V1> map,
                                           Function<K1,K2> keyMapper,
                                           Function<V1,V2> valueMapper)

combine

public static <K,V> void combine(Map<K,V> sourceMap,
                                 Map<K,V> addMap)

合并 map 如果对象是 map 将会再次合并

Type Parameters:

K - K

V - V

Parameters:

sourceMap - sourceMap

addMap - addMap

merge

@SafeVarargs
public static <K,V> void merge(Map<K,V> sourceMap,
                                             Map<K,V>... mapArray)

合并 map

将会覆盖 sourceMap

Type Parameters:

K - ignore

V - ignore

Parameters:

sourceMap - 合并到的 map

mapArray - 需要合并的 map

size

public static int size(Map<?,?> map)

map 长度

Parameters:

map - map

Returns:

长度

isEmpty

public static boolean isEmpty(Map<?,?> map)

map 是否为空

Parameters:

map - map

Returns:

true为空

isNotEmpty

public static boolean isNotEmpty(Map<?,?> map)

map 是否不为空

Parameters:

map - map

Returns:

true不为空

isAllEmpty

public static boolean isAllEmpty(Map<?,?>... mapArray)

map 是否全为空

Parameters:

mapArray - map

Returns:

true全为空

isNoneEmpty

public static boolean isNoneEmpty(Map<?,?>... mapArray)

map 是否全不为空

Parameters:

mapArray - map

Returns:

true全不为空, 参数为空false

multiToSingleMap

public static Map<String,Object> multiToSingleMap(Map<String,?> map)

多层转单层

Parameters:

map - 多层map

Returns:

单层map

random

public static <K,V> Pair<K,V> random(Map<K,V> map)

从map随机获取一个元素

Type Parameters:

K - ignore

V - ignore

Parameters:

map - map

Returns:

元素

fill

public static <K,V> void fill(Map<K,V> map,
                              V value)

将指定元素装配给集合

Type Parameters:

K - ignore

V - ignore

Parameters:

map - 集合

value - 元素

get

public static <K,V> V get(Map<K,V> map,
                          K k)

set

public static <K,V> void set(Map<K,V> map,
                             K k,
                             V v)

set

public static <K,V> void set(Map<K,V> map,
                             K k,
                             V v,
                             boolean force)

setex

public static <K,V> void setex(Map<K,V> map,
                               K k,
                               V v)

getSet

public static <K,V> V getSet(Map<K,V> map,
                             K k,
                             V v)

first

public static <K,V> Map.Entry<K,V> first(Map<K,V> m)

获取第一个元素

Type Parameters:

K - ignore

V - ignore

Parameters:

m - 集合

Returns:

第一个元素

last

public static <K,V> Map.Entry<K,V> last(Map<K,V> map)

获取最后一个元素

Type Parameters:

K - ignore

V - ignore

Parameters:

map - 集合

Returns:

最后一个元素

forEach

public static <K,V> void forEach(Map<K,V> map,
                                 BiConsumer<? super K,? super V> action)

遍历

Type Parameters:

K - K

V - V

Parameters:

map - map

action - action

partition

public static <K,V> Set<Map<K,V>> partition(Map<K,V> map,
                                            int size)

map 分片

Type Parameters:

E - E

Parameters:

map - map

size - size

Returns:

partition map