apache/hudi

Simplify ReflectionUtils#getTopLevelClasses

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#14554 opened on Nov 30, 2025

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area:code-qualityfrom-jiragood first issuepriority:hightype:improvement

Description

JIRA info

Contributor guide

Tech stack
java
Domain
backend
Issue type
refactor
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
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.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Basic JavaUnderstanding of Java reflection API
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
85
Research direction
The issue asks to simplify the ReflectionUtils#getTopLevelClasses method. First, locate the method in the source code (likely in hudi common module). Review the current implementation and identify opportunities for simplification, such as removing redundant code or using more modern Java APIs. The goal is to make the method cleaner and easier to read without changing its behavior.