com.github.anonymousmister.tool

类 CollectorUtil

java.lang.Object

com.github.anonymousmister.tool.CollectorUtil

public class CollectorUtil
extends Object

作者:

mister

方法概要

限定符和类型	方法和说明
static <T,R,C extends Collection<R>> Collector<T,?,C>	toCollection(Supplier<C> collectionFactory, Function<T,R> function)
static <T,K,U> Collector<T,?,Map<K,U>>	toLinkedHashMap(Function<? super T,? extends K> keyMapper, Function<? super T,? extends U> valueMapper)
static <T,K,U,M extends Map<K,U>> Collector<T,?,M>	toMap(Function<? super T,? extends K> keyMapper, Function<? super T,? extends U> valueMapper, BinaryOperator<U> mergeFunction, Supplier<M> mapSupplier)
static <T,K,U> Collector<T,?,Map<K,U>>	toMap(Function<? super T,? extends K> keyMapper, Function<? super T,? extends U> valueMapper, Supplier<Map<K,U>> supplier)

从类继承的方法 java.lang.Object

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

方法详细资料

toCollection

public static <T,R,C extends Collection<R>> Collector<T,?,C> toCollection(Supplier<C> collectionFactory,
                                                                          Function<T,R> function)

toMap

public static <T,K,U> Collector<T,?,Map<K,U>> toMap(Function<? super T,? extends K> keyMapper,
                                                    Function<? super T,? extends U> valueMapper,
                                                    Supplier<Map<K,U>> supplier)

toLinkedHashMap

public static <T,K,U> Collector<T,?,Map<K,U>> toLinkedHashMap(Function<? super T,? extends K> keyMapper,
                                                              Function<? super T,? extends U> valueMapper)

toMap

public static <T,K,U,M extends Map<K,U>> Collector<T,?,M> toMap(Function<? super T,? extends K> keyMapper,
                                                                Function<? super T,? extends U> valueMapper,
                                                                BinaryOperator<U> mergeFunction,
                                                                Supplier<M> mapSupplier)