Package org.aoju.bus.core.map

Class FuncMap<K,V>

java.lang.Object

org.aoju.bus.core.map.MapWrapper<K,V>

org.aoju.bus.core.map.TransitionMap<K,V>

org.aoju.bus.core.map.FuncMap<K,V>

Type Parameters:

K - 键类型

V - 值类型

All Implemented Interfaces:

Serializable, Cloneable, Iterable<Map.Entry<K,V>>, Map<K,V>

public class FuncMap<K,V>
extends TransitionMap<K,V>

自定义键值函数风格的Map

Since:

Java 17+

Author:

Kimi Liu

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K extends Object,V extends Object>

Field Summary

Fields inherited from class org.aoju.bus.core.map.MapWrapper

DEFAULT_INITIAL_CAPACITY, DEFAULT_LOAD_FACTOR

Constructor Summary

Constructors

Constructor	Description
FuncMap(Supplier<Map<K,V>> mapFactory, Function<Object,K> keyFunc, Function<Object,V> valueFunc)	构造 注意提供的Map中不能有键值对，否则可能导致自定义key失效
FuncMap(Map<K,V> emptyMap, Function<Object,K> keyFunc, Function<Object,V> valueFunc)	构造 注意提供的Map中不能有键值对，否则可能导致自定义key失效

Method Summary

Modifier and Type	Method	Description
protected K	customKey(Object key)	根据函数自定义键
protected V	customValue(Object value)	自定义值

Methods inherited from class org.aoju.bus.core.map.TransitionMap

compute, computeIfPresent, containsKey, get, getOrDefault, merge, put, putAll, remove, remove, replace, replace

Methods inherited from class org.aoju.bus.core.map.MapWrapper

clear, clone, computeIfAbsent, containsValue, entrySet, equals, forEach, getRaw, hashCode, isEmpty, iterator, keySet, putIfAbsent, replaceAll, size, toString, values

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Details

FuncMap

public FuncMap(Supplier<Map<K,V>> mapFactory,
 Function<Object,K> keyFunc,
 Function<Object,V> valueFunc)

构造
注意提供的Map中不能有键值对，否则可能导致自定义key失效

Parameters:

mapFactory - Map，提供的空map

keyFunc - 自定义KEY的函数

valueFunc - 自定义value函数

FuncMap

public FuncMap(Map<K,V> emptyMap,
 Function<Object,K> keyFunc,
 Function<Object,V> valueFunc)

构造
注意提供的Map中不能有键值对，否则可能导致自定义key失效

Parameters:

emptyMap - Map，提供的空map

keyFunc - 自定义KEY的函数

valueFunc - 自定义value函数

Method Details

customKey

protected K customKey(Object key)

根据函数自定义键

Specified by:

customKey in class TransitionMap<K,V>

Parameters:

key - KEY

Returns:

驼峰Key

customValue

protected V customValue(Object value)

Description copied from class: TransitionMap

自定义值

Specified by:

customValue in class TransitionMap<K,V>

Parameters:

value - 值

Returns:

自定义值