akka/akka-core

flatMapPrefix in javadsl should better be `java.util.List` instead of `java.lang.Iterable`

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#31,253 opened on Mar 17, 2022

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 (12 comments) (0 reactions) (0 assignees)Scala (13,277 stars) (3,547 forks)batch import
1 - triagedhelp wantedt:javat:stream

Description

As the guide here:https://github.com/akka/akka/blob/main/CONTRIBUTING.md#overview-of-scala-types-and-their-java-counterparts

Contributor guide

Tech stack
scalajava
Domain
api
Issue type
refactor
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
ScalaJavaAkka basics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70
Research direction
Locate the flatMapPrefix method in the javadsl source files (likely in akka stream/src/main/scala/akka/stream/javadsl/). The issue proposes changing the return type from java.lang.Iterable to java.util.List to follow API consistency guidelines. Review the linked CONTRIBUTING.md for type mapping conventions. Check existing comments for any implementation details or discussions about trade offs.
flatMapPrefix in javadsl should better be `java.util.List` instead of `java.lang.Iterable` · akka/akka-core#31253 | Good First Issue