spring-cloud-starter-stream-rocketmq期望支持阿里云RocketMQ定时消息(不是延时消息)

Description

Contributor guide

Tech stack

java

Domain

backendcloud

Issue type

feature

DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.

4

Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.

3-5 days

Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.

blocked

ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.

mostly clear

Prerequisites

JavaSpring Cloud StreamRocketMQ conceptsDistributed messaging

Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.

30

Research direction

The issue requests support for scheduled messages (not just delay messages) in the RocketMQ stream binder. Currently, the binder only supports delay messages via the RocketMQ native API. To implement, one should examine the RocketMQ client SDK's scheduled message API (e.g., using `setStartDeliverTime` with a future timestamp). The ONS client already supports this; the binder's ONS implementation can be used as reference. Key files to modify are likely in the `spring cloud stream binder rocketmq` directory, particularly the producer configuration. The existing comments and assigned maintainer may provide further guidance.