carloea2 opened a new pull request, #8320: URL: https://github.com/apache/texera/pull/8320
### What changes were proposed in this PR? Coordinate start- and end-channel markers by channel identity in the Python worker. The data processor now tracks active channels explicitly, validates marker ports, and finishes a channel only after every participating input has ended. This prevents one input's end marker from closing a multi-input channel prematurely while preserving the existing behavior for ordinary single-input channels. ### Any related issues, documentation, discussions? Related to #8319. ### How was this PR tested? ```powershell python -m pytest amber/src/test/python/core/architecture/handlers/control/test_channel_marker_handlers.py amber/src/test/python/core/runnables/test_data_processor.py amber/src/test/python/core/runnables/test_main_loop.py -q ``` Result: 61 passed. The tests cover valid multi-input channel coordination and invalid marker ports. ### Was this PR authored or co-authored using generative AI tooling? Generated-by: OpenAI Codex (GPT-5) -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
