[FLINK-16219] Make AsyncWaitOperator chainable again

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.11.0
• Fix Version/s: 1.11.0
• Component/s: Runtime / Task
• Labels: pull-request-available

Release Note

AsyncWaitOperator will be allowed to be chained by default with all operators, except of tasks with SourceFunction. This mostly revert limitation introduced as a bug fix for https://issues.apache.org/jira/browse/FLINK-13063

• Assignee: Arvid Heise
• Reporter: Arvid Heise
• Created: 21/Feb/20 14:19
• Updated: 02/Mar/20 12:53
• Resolved: 02/Mar/20 12:53

Description

With the yield to downstream fixes, we may reenable chaining.

Chaining of yielding operators should be disallowed with `SourceFunction`/`SourceStreamTask`.

Issue Links

• relates to: FLINK-13063 AsyncWaitOperator shouldn't be releasing checkpointingLock
• links to: GitHub Pull Request #11177