[ISSUE #1030]🚀Add order message produce example #1031
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WalkthroughThe pull request introduces a new example for producing ordered messages in the Changes
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Actionable comments posted: 2
🧹 Outside diff range and nitpick comments (3)
rocketmq-client/Cargo.toml (1)
78-80: LGTM: New example added as per PR objectives.The addition of the "ordermessage-producer" example aligns with the PR objectives and enhances the package's documentation. The path convention is consistent with other examples.
Consider adding a brief comment above this example entry to describe its purpose, similar to:
# Example demonstrating how to produce ordered messages [[example]] name = "ordermessage-producer" path = "examples/ordermessage/ordermessage_producer.rs"This would improve discoverability and understanding for users browsing the Cargo.toml file.
rocketmq-client/examples/ordermessage/ordermessage_producer.rs (2)
28-41: LGTM: Producer initialization looks good. Consider adding error handling.The producer initialization using the builder pattern is well-implemented. However, consider adding error handling for the
producer.start().await?call to provide more informative error messages.You could improve error handling like this:
- producer.start().await?; + producer.start().await.map_err(|e| { + eprintln!("Failed to start producer: {}", e); + e + })?;
43-65: LGTM: Message sending loop is well-implemented. Consider minor improvements.The message sending loop effectively demonstrates how to send ordered messages. Here are some suggestions for improvement:
- Consider extracting the number of messages (100) into a constant for easier configuration.
- The verbose printing of send results might be excessive. Consider adding a condition to print only every nth result or use a logging level.
Apply these changes for improvement:
+const MESSAGE_COUNT: usize = 100; +const PRINT_INTERVAL: usize = 10; let tags = ["TagA", "TagB", "TagC", "TagD", "TagE"]; -for i in 0..100 { +for i in 0..MESSAGE_COUNT { // ... (existing code) - println!("send result: {}", send_result); + if i % PRINT_INTERVAL == 0 { + println!("send result for message {}: {}", i, send_result); + } }
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📒 Files selected for processing (2)
- rocketmq-client/Cargo.toml (1 hunks)
- rocketmq-client/examples/ordermessage/ordermessage_producer.rs (1 hunks)
🔇 Additional comments (4)
rocketmq-client/Cargo.toml (2)
76-77: LGTM: Minor formatting improvement.The addition of a newline after the "broadcast-consumer" example entry improves readability and maintains consistency with other example entries in the file.
76-80: Summary: Successful addition of order message producer example.The changes in this file successfully implement the PR objective of adding an order message produce example. The modifications include:
- A minor formatting improvement for the existing "broadcast-consumer" example.
- The addition of a new "ordermessage-producer" example.
These changes enhance the package's documentation and provide users with a new example for producing ordered messages, which aligns well with the project's goals.
To ensure the new example file exists and follows the project's coding standards, please run the following script:
This script will help verify that the new example file exists and contains the expected basic structure for a RocketMQ producer example.
rocketmq-client/examples/ordermessage/ordermessage_producer.rs (2)
1-21: LGTM: License and imports are correct.The Apache 2.0 license header is properly included, and the import statements are appropriate for the RocketMQ ordered message producer example.
68-69: LGTM: Appropriate function return.The
Ok(())return is correct for aResult<()>return type, properly concluding themainfunction.
| .await?; | ||
| println!("send result: {}", send_result); | ||
| } | ||
| producer.shutdown().await; |
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Add error handling for producer shutdown.
While the asynchronous shutdown is correct, it's important to handle potential errors during this process.
Consider adding error handling like this:
- producer.shutdown().await;
+ if let Err(e) = producer.shutdown().await {
+ eprintln!("Error during producer shutdown: {}", e);
+ }📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| producer.shutdown().await; | |
| if let Err(e) = producer.shutdown().await { | |
| eprintln!("Error during producer shutdown: {}", e); | |
| } |
| pub const MESSAGE_COUNT: usize = 1; | ||
| pub const PRODUCER_GROUP: &str = "please_rename_unique_group_name"; | ||
| pub const DEFAULT_NAMESRVADDR: &str = "127.0.0.1:9876"; | ||
| pub const TOPIC: &str = "TopicTest"; |
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Remove unused constant and consider renaming the producer group.
- The
MESSAGE_COUNTconstant is defined but not used in the code. Consider removing it to avoid confusion. - The
PRODUCER_GROUPconstant suggests that it should be renamed. Consider replacing it with a more specific name for this example.
Apply this diff to address these issues:
-pub const MESSAGE_COUNT: usize = 1;
-pub const PRODUCER_GROUP: &str = "please_rename_unique_group_name";
+pub const PRODUCER_GROUP: &str = "OrderedMessageProducerGroup";
pub const DEFAULT_NAMESRVADDR: &str = "127.0.0.1:9876";
pub const TOPIC: &str = "TopicTest";📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| pub const MESSAGE_COUNT: usize = 1; | |
| pub const PRODUCER_GROUP: &str = "please_rename_unique_group_name"; | |
| pub const DEFAULT_NAMESRVADDR: &str = "127.0.0.1:9876"; | |
| pub const TOPIC: &str = "TopicTest"; | |
| pub const PRODUCER_GROUP: &str = "OrderedMessageProducerGroup"; | |
| pub const DEFAULT_NAMESRVADDR: &str = "127.0.0.1:9876"; | |
| pub const TOPIC: &str = "TopicTest"; |
Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## main #1031 +/- ##
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- Coverage 19.85% 19.83% -0.03%
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Files 420 420
Lines 34624 34624
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- Hits 6876 6866 -10
- Misses 27748 27758 +10 ☔ View full report in Codecov by Sentry. |
Which Issue(s) This PR Fixes(Closes)
Fixes #1030
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