Package com.mendix.utils

Class ListUtils

java.lang.Object

com.mendix.utils.ListUtils

public final class ListUtils
extends Object

A utility class providing a few shorthand functions for often used mapping functions in Java.

Method Summary

Modifier and Type	Method	Description
static <A, B> List<B>	flatMap(List<A> list, Function<A,List<B>> mapper)	This is a shorthand function for list.stream().flatMap(mapper.andThen(Collection::stream)).collect(Collectors.toList()).
static <A, B> List<B>	map(List<A> list, Function<A,B> mapper)	This is a shorthand function for list.stream().map(mapper).collect(Collectors.toList()).

Methods inherited from class java.lang.Object

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

Method Details

map

public static <A,
B> List<B> map(List<A> list,
 Function<A,B> mapper)

This is a shorthand function for list.stream().map(mapper).collect(Collectors.toList()).

Type Parameters:

A - The type of elements in the original list

B - The type of elements in the returning list

Parameters:

list - The original list

mapper - The mapping function to apply to each item in the list

Returns:

The new list with the mapping function applied to each item in the list

flatMap

public static <A,
B> List<B> flatMap(List<A> list,
 Function<A,List<B>> mapper)

This is a shorthand function for list.stream().flatMap(mapper.andThen(Collection::stream)).collect(Collectors.toList()).

Type Parameters:

A - The type of elements in the original list

B - The type of elements in the returning list

Parameters:

list - The original list

mapper - The mapping function to apply to each item in the list

Returns:

The new list with the mapping function applied to each item in the list