模块 iofairy.falcon

程序包 com.iofairy.falcon.map

类 MapKit

java.lang.Object

com.iofairy.falcon.map.MapKit

public class MapKit
extends Object

Map Utils

从以下版本开始:

0.4.1

构造器概要

构造器

构造器	说明
MapKit()

方法概要

限定符和类型	方法	说明
static <K,V> K[]	keyToArray(Map<K,V> map, Class<K> kClass, K... removeKeys)	A map to array for Key 将 map 转换成 key 的数组
static <K,V> List<K>	keyToList(Map<K,V> map, K... removeKeys)	A map to List for Key 将 map 转换成 key 的List
static <K,V> com.iofairy.tuple.Tuple2<K[],V[]>	mapToArray(Map<K,V> map, Class<K> kClass, Class<V> vClass, K... removeKeys)	A map to two array for Key and Value 将 map 转换成 key和value 的数组
static <K,V> com.iofairy.tuple.Tuple2<List<K>,List<V>>	mapToList(Map<K,V> map, K... removeKeys)	A map to two List for Key and Value 将 map 转换成 key和value 的List
static <K,V> List<Map.Entry<K,V>>	sortBy(List<Map.Entry<K,V>> entries, Comparator<? super Map.Entry<K,V>> comparator)	To sort map according to the provided Comparator.
static <K,V,U extends Comparable<? super U>> List<Map.Entry<K,V>>	sortBy(List<Map.Entry<K,V>> entries, Function<? super Map.Entry<K,V>,? extends U> keyExtractor)	To sort map according to the provided Function.
static <K,V> List<Map.Entry<K,V>>	sortBy(Map<K,V> map, Comparator<? super Map.Entry<K,V>> comparator)	To sort map according to the provided Comparator.
static <K,V,U extends Comparable<? super U>> List<Map.Entry<K,V>>	sortBy(Map<K,V> map, Function<? super Map.Entry<K,V>,? extends U> keyExtractor)	To sort map according to the provided Function.
static <K,V> List<Map.Entry<K,V>>	sortByDouble(List<Map.Entry<K,V>> entries, ToDoubleFunction<? super Map.Entry<K,V>> keyExtractor)	To sort map according to the provided ToDoubleFunction.
static <K,V> List<Map.Entry<K,V>>	sortByDouble(Map<K,V> map, ToDoubleFunction<? super Map.Entry<K,V>> keyExtractor)	To sort map according to the provided ToDoubleFunction.
static <K,V> List<Map.Entry<K,V>>	sortByInt(List<Map.Entry<K,V>> entries, ToIntFunction<? super Map.Entry<K,V>> keyExtractor)	To sort map according to the provided ToIntFunction.
static <K,V> List<Map.Entry<K,V>>	sortByInt(Map<K,V> map, ToIntFunction<? super Map.Entry<K,V>> keyExtractor)	To sort map according to the provided ToIntFunction.
static <K,V> List<Map.Entry<K,V>>	sortByLong(List<Map.Entry<K,V>> entries, ToLongFunction<? super Map.Entry<K,V>> keyExtractor)	To sort map according to the provided ToLongFunction.
static <K,V> List<Map.Entry<K,V>>	sortByLong(Map<K,V> map, ToLongFunction<? super Map.Entry<K,V>> keyExtractor)	To sort map according to the provided ToLongFunction.
static <K,V> V[]	valueToArray(Map<K,V> map, Class<V> vClass, K... removeKeys)	A map to array for Value 将 map 转换成 value 的数组
static <K,V> List<V>	valueToList(Map<K,V> map, K... removeKeys)	A map to List for Value 将 map 转换成 value 的List

从类继承的方法 java.lang.Object

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

构造器详细资料

MapKit

public MapKit()

方法详细资料

mapToList

@SafeVarargs
public static <K,V> com.iofairy.tuple.Tuple2<List<K>,List<V>> mapToList(Map<K,V> map,
                                                                        K... removeKeys)

A map to two List for Key and Value
将 map 转换成 key和value 的List

类型参数:

K - key type

V - value type

参数:

map - map

removeKeys - remove keys

返回:

Tuple2 of key and value List

keyToList

@SafeVarargs
public static <K,V> List<K> keyToList(Map<K,V> map,
                                      K... removeKeys)

A map to List for Key
将 map 转换成 key 的List

类型参数:

K - key type

V - value type

参数:

map - map

removeKeys - remove keys

返回:

key List

valueToList

@SafeVarargs
public static <K,V> List<V> valueToList(Map<K,V> map,
                                        K... removeKeys)

A map to List for Value
将 map 转换成 value 的List

类型参数:

K - key type

V - value type

参数:

map - map

removeKeys - remove keys

返回:

value List

mapToArray

@SafeVarargs
public static <K,V> com.iofairy.tuple.Tuple2<K[],V[]> mapToArray(Map<K,V> map,
                                                                 Class<K> kClass,
                                                                 Class<V> vClass,
                                                                 K... removeKeys)

A map to two array for Key and Value
将 map 转换成 key和value 的数组

类型参数:

K - key type

V - value type

参数:

map - map

kClass - key class

vClass - value class

removeKeys - remove keys

返回:

Tuple2 of key and value array

keyToArray

@SafeVarargs
public static <K,V> K[] keyToArray(Map<K,V> map,
                                   Class<K> kClass,
                                   K... removeKeys)

A map to array for Key
将 map 转换成 key 的数组

类型参数:

K - key type

V - value type

参数:

map - map

kClass - key class

removeKeys - remove keys

返回:

key array

valueToArray

@SafeVarargs
public static <K,V> V[] valueToArray(Map<K,V> map,
                                     Class<V> vClass,
                                     K... removeKeys)

A map to array for Value
将 map 转换成 value 的数组

类型参数:

K - key type

V - value type

参数:

map - map

vClass - value class

removeKeys - remove keys

返回:

value array

sortBy

public static <K,V> List<Map.Entry<K,V>> sortBy(Map<K,V> map,
                                                Comparator<? super Map.Entry<K,V>> comparator)

To sort map according to the provided Comparator.
对 map 的键或值进行排序

类型参数:

K - key type

V - value type

参数:

map - map

comparator - comparator

返回:

list of Map.Entry

sortBy

public static <K,V,U extends Comparable<? super U>> List<Map.Entry<K,V>> sortBy(Map<K,V> map,
                                                                                Function<? super Map.Entry<K,V>,? extends U> keyExtractor)

To sort map according to the provided Function.
对 map 的键或值进行排序

类型参数:

K - key type

V - value type

U - return type of Function

参数:

map - map

keyExtractor - keyExtractor

返回:

list of Map.Entry

sortByInt

public static <K,V> List<Map.Entry<K,V>> sortByInt(Map<K,V> map,
                                                   ToIntFunction<? super Map.Entry<K,V>> keyExtractor)

To sort map according to the provided ToIntFunction.
对 map 的键或值进行排序

类型参数:

K - key type

V - value type

参数:

map - map

keyExtractor - keyExtractor

返回:

list of Map.Entry

sortByLong

public static <K,V> List<Map.Entry<K,V>> sortByLong(Map<K,V> map,
                                                    ToLongFunction<? super Map.Entry<K,V>> keyExtractor)

To sort map according to the provided ToLongFunction.
对 map 的键或值进行排序

类型参数:

K - key type

V - value type

参数:

map - map

keyExtractor - keyExtractor

返回:

list of Map.Entry

sortByDouble

public static <K,V> List<Map.Entry<K,V>> sortByDouble(Map<K,V> map,
                                                      ToDoubleFunction<? super Map.Entry<K,V>> keyExtractor)

To sort map according to the provided ToDoubleFunction.
对 map 的键或值进行排序

类型参数:

K - key type

V - value type

参数:

map - map

keyExtractor - keyExtractor

返回:

list of Map.Entry

sortBy

public static <K,V> List<Map.Entry<K,V>> sortBy(List<Map.Entry<K,V>> entries,
                                                Comparator<? super Map.Entry<K,V>> comparator)

To sort map according to the provided Comparator.
对 map 的键或值进行排序

类型参数:

K - key type

V - value type

参数:

entries - Map.Entry list

comparator - comparator

返回:

list of Map.Entry

sortBy

public static <K,V,U extends Comparable<? super U>> List<Map.Entry<K,V>> sortBy(List<Map.Entry<K,V>> entries,
                                                                                Function<? super Map.Entry<K,V>,? extends U> keyExtractor)

To sort map according to the provided Function.
对 map 的键或值进行排序

类型参数:

K - key type

V - value type

U - return type of Function

参数:

entries - Map.Entry list

keyExtractor - keyExtractor

返回:

list of Map.Entry

sortByInt

public static <K,V> List<Map.Entry<K,V>> sortByInt(List<Map.Entry<K,V>> entries,
                                                   ToIntFunction<? super Map.Entry<K,V>> keyExtractor)

To sort map according to the provided ToIntFunction.
对 map 的键或值进行排序

类型参数:

K - key type

V - value type

参数:

entries - Map.Entry list

keyExtractor - keyExtractor

返回:

list of Map.Entry

sortByLong

public static <K,V> List<Map.Entry<K,V>> sortByLong(List<Map.Entry<K,V>> entries,
                                                    ToLongFunction<? super Map.Entry<K,V>> keyExtractor)

To sort map according to the provided ToLongFunction.
对 map 的键或值进行排序

类型参数:

K - key type

V - value type

参数:

entries - Map.Entry list

keyExtractor - keyExtractor

返回:

list of Map.Entry

sortByDouble

public static <K,V> List<Map.Entry<K,V>> sortByDouble(List<Map.Entry<K,V>> entries,
                                                      ToDoubleFunction<? super Map.Entry<K,V>> keyExtractor)

To sort map according to the provided ToDoubleFunction.
对 map 的键或值进行排序

类型参数:

K - key type

V - value type

参数:

entries - Map.Entry list

keyExtractor - keyExtractor

返回:

list of Map.Entry