[FLINK-3520] Periodic watermark operator should emit current watermark in close()

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.10.2
• Fix Version/s: 1.0.0
• Component/s: API / DataStream
• Assignee: Stephan Ewen
• Reporter: Stephan Ewen
• Created: 26/Feb/16 10:59
• Updated: 28/Feb/19 11:15
• Resolved: 26/Feb/16 12:33

Description

This makes sure that for bounded data sets with watermarks, the final elements get properly reflected in window results