gemini-code-assist[bot] commented on PR #37304:
URL: https://github.com/apache/beam/pull/37304#issuecomment-3749737006
## Summary of Changes
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pull request and will post my feedback shortly. In the meantime, here's a
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This pull request significantly enhances the concurrency management within
the `FinalizeBundleHandler` by migrating from traditional `await`/`notify`
mechanisms to modern `ReentrantLock`/`Condition` constructs. This change aims
to improve the reliability and maintainability of the bundle finalization
process, alongside introducing better nullness checking for increased code
safety.
### Highlights
* **Concurrency Primitives Update**: The `FinalizeBundleHandler` has been
refactored to replace the use of `Object.wait()` and `Object.notify()` with the
more robust `java.util.concurrent.locks.ReentrantLock` and
`java.util.concurrent.locks.Condition` for managing concurrent access to the
cleanup queue.
* **Nullness Checking Improvements**: The `@SuppressWarnings("nullness")`
annotation has been removed, and `@Nullable` annotations have been added where
appropriate, improving the code's null-safety and clarity regarding potential
null values.
* **Cleanup Logic Encapsulation**: The core cleanup loop logic, previously
inline within the `FinalizeBundleHandler` constructor, has been extracted into
a dedicated private method `cleanupThreadBody()` for better organization and
readability.
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