[BEAM-9850] Key should be available in @OnTimer methods (Spark Runner)

• Type: Improvement
• Status: Triage Needed
• Priority: P2
• Resolution: Fixed
• Fix Version/s: 2.25.0
• Component/s: runner-spark
• Assignee: Rehman Murad Ali
• Reporter: Rehman Murad Ali
• Created: 29/Apr/20 08:44
• Updated: 13/Apr/23 11:02
• Resolved: 15/May/21 17:55

Description

Every timer firing has an associated key. This key should be available when the timer is delivered to a user's DoFn, so they don't have to store it in the state.

Issue Links

• links to: GitHub Pull Request #12514