[BEAM-13757] Pane observation in user DoFN

• Type: Bug
• Status: Triage Needed
• Priority: P2
• Resolution: Fixed
• Fix Version/s: 2.37.0
• Component/s: sdk-go
• Assignee: Ritesh Ghorse
• Reporter: Ritesh Ghorse
• Created: 27/Jan/22 17:35
• Updated: 13/Apr/23 11:08
• Resolved: 09/Feb/22 01:50

Description

Handle pane propagation in exec package and pane observation in user DoFns so that users can access additional parameter PaneInfo from DoFn. This would help in knowing whether the pane is fired on-time, late, early or first and last.

Issue Links

• links to: GitHub Pull Request #16629