[BEAM-9257] Enable custom UDF for sorting criterion in @RequiresTimeSortedInput

• Type: Improvement
• Status: Open
• Priority: P3
• Resolution: Unresolved
• Component/s: sdk-java-core
• Labels: Clarified
• Assignee: Unassigned
• Reporter: Jan Lukavský
• Created: 06/Feb/20 11:21
• Updated: 04/Jun/22 14:46

Description

The current implementation of @RequiresTimeSortedInput sorts data on event timestamp. Users might want to sort on other (meta)data, which should be fine, as long as the metadata correlates with watermark (and allowedLateness).