[ISSUE #2374]♻️Replace PopMessageProcessor new with new_arc_mut

[mxsm]

Which Issue(s) This PR Fixes(Closes)

Fixes #2374

Brief Description

How Did You Test This Change?

Summary by CodeRabbit

• Refactor
  • Simplified the instantiation process for the message processor in the broker runtime.
  • Cleaned up commented-out code to improve code readability.

[coderabbitai]

Walkthrough

The pull request focuses on refactoring the PopMessageProcessor instantiation in the BrokerRuntime struct within the rocketmq-broker crate. The primary change involves simplifying the processor creation by using a new new_arc_mut method, which reduces the complexity of instantiation by requiring only the inner reference of the BrokerRuntime. This modification streamlines the code and improves its readability by eliminating extensive parameter passing.

Changes

File	Change Summary
rocketmq-broker/src/broker_runtime.rs	- Updated pop_message_processor instantiation method - Simplified constructor using PopMessageProcessor::new_arc_mut - Removed commented-out code

Assessment against linked issues

Objective	Addressed	Explanation
Replace PopMessageProcessor new with new_arc_mut [#2374]	✅
Ensure no new bugs are introduced	✅
Update unit tests if applicable	❓	No explicit test updates visible in the diff

Possibly related PRs

• [ISSUE #2103]💫Add BrokerInner for BrokerRuntime🚀 #2104: The addition of the BrokerInner struct enhancing broker runtime modularity
• [ISSUE #2298]⚡️Remove PopMessageProcessor useless code #2299: Removal of unnecessary fields in PopMessageProcessor struct
• [ISSUE #2331]🤡Remove PopBufferMergeService useless code🧑‍💻 #2332: Removal of unused fields in PopBufferMergeService struct

Suggested labels

enhancement⚡️, auto merge, ready to review, waiting-review, AI review first, rocketmq-broker crate

Suggested reviewers

• TeslaRustor
• SpaceXCN
• rocketmq-rust-bot

Poem

🚀 In the realm of RocketMQ's code,
A processor's path now smoothly flowed
With new_arc_mut so sleek and bright,
Refactoring brought pure delight!
A rabbit's cheer for cleaner design,
Where complexity now starts to decline! 🐰

---

📜 Recent review details

Configuration used: .coderabbit.yaml
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 7711374 and 2ce80ba.

📒 Files selected for processing (1)

• rocketmq-broker/src/broker_runtime.rs (1 hunks)

⏰ Context from checks skipped due to timeout of 90000ms (9)

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• GitHub Check: test
• GitHub Check: build (ubuntu-latest, stable)
• GitHub Check: auto-approve

🔇 Additional comments (2)

rocketmq-broker/src/broker_runtime.rs (2)

666-666: LGTM! The change aligns with Arc-based mutability patterns.

The replacement of PopMessageProcessor::new with PopMessageProcessor::new_arc_mut is a good improvement that:

1. Provides better memory management through Arc-based mutability
2. Maintains consistency with other processor instantiations in the codebase

---

666-666: Verify integration with dependent components.

Since PopMessageProcessor is used by other components like AckMessageProcessor, verify that the change to new_arc_mut maintains proper synchronization and lifecycle management.

Run the following script to check usage patterns:

✅ Verification successful

✓ Integration pattern is correct and consistent

The use of new_arc_mut aligns with the codebase's thread-safety patterns and is properly integrated with dependent components like AckMessageProcessor and ChangeInvisibleTimeProcessor, which all use the same ArcMut pattern for synchronization.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify PopMessageProcessor usage patterns across the codebase

# Check for direct usage of PopMessageProcessor::new
echo "Checking for old instantiation patterns..."
rg "PopMessageProcessor::new\(" 

# Check for Arc/mutex patterns around PopMessageProcessor
echo "Checking Arc/mutex usage patterns..."
rg "Arc::new\(PopMessageProcessor" 
rg "ArcMut::new\(PopMessageProcessor"

Length of output: 288

---

Script:

#!/bin/bash
# Search for all occurrences of PopMessageProcessor
echo "=== All PopMessageProcessor references ==="
rg "PopMessageProcessor" -A 2

# Find the implementation
echo -e "\n=== PopMessageProcessor implementation ==="
ast-grep --pattern 'struct PopMessageProcessor {
  $$$
}'

# Check for any type references
echo -e "\n=== Type references ==="
rg ":\s*PopMessageProcessor"
rg "->\s*PopMessageProcessor"

Length of output: 14324

---

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[rocketmq-rust-bot]

🔊@mxsm 🚀Thanks for your contribution🎉！

💡CodeRabbit(AI) will review your code first🔥！

Note

🚨The code review suggestions from CodeRabbit are to be used as a reference only, and the PR submitter can decide whether to make changes based on their own judgment. Ultimately, the project management personnel will conduct the final code review💥.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 28.65%. Comparing base (7711374) to head (2ce80ba).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
rocketmq-broker/src/broker_runtime.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2375   +/-   ##
=======================================
  Coverage   28.64%   28.65%           
=======================================
  Files         507      507           
  Lines       73259    73245   -14     
=======================================
  Hits        20988    20988           
+ Misses      52271    52257   -14     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[rocketmq-rust-bot]

LGTM