Zhuanzhuan Tech

Mar 22, 2023 · Backend Development

Design and Implementation of the Andon (Press‑Light) System for Quality Management at Zhuanzhuan

This article describes the background, system design, implementation details, and application scenarios of the Andon (press‑light) mechanism introduced at Zhuanzhuan, covering its modular architecture, workflow choices between state machine and chain‑of‑responsibility, core Java abstractions, and how it supports merchant service rating.