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[ISSUE #1798]🤡Optimize DefaultPullCallback#on_exception method code🚀 #1799

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merged 1 commit into from
Dec 15, 2024

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mxsm
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@mxsm mxsm commented Dec 15, 2024

Which Issue(s) This PR Fixes(Closes)

Fixes #1798

Brief Description

How Did You Test This Change?

Summary by CodeRabbit

  • Bug Fixes

    • Improved error handling in the exception callback for better clarity and consistency.
  • Refactor

    • Simplified access to consumer configuration variables, enhancing code readability and maintainability.

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coderabbitai bot commented Dec 15, 2024

Walkthrough

The pull request introduces modifications to the DefaultPullCallback implementation in the pull_callback.rs file. The changes primarily focus on optimizing the on_exception method by directly accessing push_consumer_impl instead of cloning it. The code simplification aims to improve readability and potentially reduce unnecessary memory operations. The core functionality of processing pull results and handling different pull statuses remains unchanged.

Changes

File Change Summary
rocketmq-client/src/consumer/pull_callback.rs Optimized on_exception method by directly accessing self.push_consumer_impl instead of cloning

Assessment against linked issues

Objective Addressed Explanation
Optimize DefaultPullCallback#on_exception method [#1798]

Possibly related PRs

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enhancement, auto merge, ready to review, waiting-review, AI review first

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  • SpaceXCN
  • RocketmqRustBot

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🔊@mxsm 🚀Thanks for your contribution 🎉. CodeRabbit(AI) will review your code first 🔥

@rocketmq-rust-robot rocketmq-rust-robot added the enhancement⚡️ New feature or request label Dec 15, 2024
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Actionable comments posted: 0

🧹 Nitpick comments (4)
rocketmq-client/src/consumer/pull_callback.rs (4)

Line range hint 168-183: Enhance logging with structured format and additional context.

Consider using structured logging with named parameters for better log parsing and readability. Also, include more context about the subscription status.

- warn!(
-     "the subscription is not latest, group={}",
-     self.push_consumer_impl.consumer_config.consumer_group,
- );
+ warn!(
+     group = %self.push_consumer_impl.consumer_config.consumer_group,
+     topic = %topic,
+     "Subscription is not latest"
+ );

183-192: Improve error handling with more specific context.

The warning message could be more informative by including the actual error details and message queue information.

- warn!(
-     "execute the pull request exception, group={}",
-     self.push_consumer_impl.consumer_config.consumer_group
- );
+ warn!(
+     group = %self.push_consumer_impl.consumer_config.consumer_group,
+     topic = %topic,
+     error = %broker_error,
+     queue = ?message_queue_inner,
+     "Failed to execute pull request"
+ );

197-199: Standardize error logging format.

Apply the same structured logging pattern for consistency.

- warn!(
-     "execute the pull request exception, group={}",
-     self.push_consumer_impl.consumer_config.consumer_group
- );
+ warn!(
+     group = %self.push_consumer_impl.consumer_config.consumer_group,
+     topic = %topic,
+     error = %err,
+     queue = ?message_queue_inner,
+     "Failed to execute pull request due to unexpected error"
+ );

208-214: Optimize repeated field access.

The code accesses pull_time_delay_mills_when_exception multiple times. Consider extracting it to a variable.

+ let default_delay = self.push_consumer_impl.pull_time_delay_mills_when_exception;
  match er {
      MQClientError::MQClientBrokerError(broker_error) => {
          if ResponseCode::from(broker_error.response_code()) == ResponseCode::FlowControl {
              PULL_TIME_DELAY_MILLS_WHEN_BROKER_FLOW_CONTROL
          } else {
-             self.push_consumer_impl.pull_time_delay_mills_when_exception
+             default_delay
          }
      }
-     _ => self.push_consumer_impl.pull_time_delay_mills_when_exception,
+     _ => default_delay,
  }
📜 Review details

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

📥 Commits

Reviewing files that changed from the base of the PR and between fc43a3f and d300811.

📒 Files selected for processing (1)
  • rocketmq-client/src/consumer/pull_callback.rs (3 hunks)
🔇 Additional comments (1)
rocketmq-client/src/consumer/pull_callback.rs (1)

217-218: LGTM! Changes align with optimization goals.

The direct access to push_consumer_impl for executing the delayed pull request is clean and efficient, aligning with the PR's optimization objectives.

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codecov bot commented Dec 15, 2024

Codecov Report

Attention: Patch coverage is 0% with 10 lines in your changes missing coverage. Please review.

Project coverage is 28.28%. Comparing base (fc43a3f) to head (d300811).
Report is 1 commits behind head on main.

Files with missing lines Patch % Lines
rocketmq-client/src/consumer/pull_callback.rs 0.00% 10 Missing ⚠️
Additional details and impacted files
@@           Coverage Diff           @@
##             main    #1799   +/-   ##
=======================================
  Coverage   28.28%   28.28%           
=======================================
  Files         470      470           
  Lines       65080    65079    -1     
=======================================
  Hits        18405    18405           
+ Misses      46675    46674    -1     

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

@rocketmq-rust-bot rocketmq-rust-bot merged commit 4d79e4a into main Dec 15, 2024
24 of 25 checks passed
@rocketmq-rust-bot rocketmq-rust-bot added approved PR has approved and removed ready to review waiting-review waiting review this PR labels Dec 15, 2024
@mxsm mxsm deleted the op-1798 branch December 15, 2024 15:14
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[Enhancement⚡️] Optimize DefaultPullCallback#on_exception method code
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