[FLINK-3899] Document window processing with Reduce/FoldFunction + WindowFunction

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.1.0
• Fix Version/s: 1.1.2, 1.2.0
• Component/s: Documentation
• Assignee: Daniel Blazevski
• Reporter: Fabian Hueske
• Created: 12/May/16 14:14
• Updated: 28/Feb/19 10:46
• Resolved: 25/Aug/16 13:10

Description

The streaming documentation does not describe how windows can be processed with FoldFunction or ReduceFunction and a subsequent WindowFunction. This combination allows for eager window aggregation (only a single element is kept in the window) and access of the Window object, e.g., to have access to the window's start and end time.

Issue Links

• links to: GitHub Pull Request #2368