Package io.smallrye.beanbag

Class Util

java.lang.Object

io.smallrye.beanbag.Util

public final class Util
extends Object

Shared utilities.

Method Summary

Modifier and Type	Method	Description
static <R, T> List<R>	mapList(List<T> input, Function<T,R> mapper, IntFunction<R[]> generator)	Efficiently create a copy of the input list with each list element being transformed by the given function.

Methods inherited from class java.lang.Object

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

Method Details

mapList

public static <R,
T> List<R> mapList(List<T> input,
 Function<T,R> mapper,
 IntFunction<R[]> generator)

Efficiently create a copy of the input list with each list element being transformed by the given function.

Type Parameters:

R - the output list element type

T - the input list element type

Parameters:

input - the input list (must not be null)

mapper - the mapping function (must not be null)

generator - the generator for an array of type R (must not be null)

Returns:

the transformed list (not null)