Aljoscha Krettek created FLINK-5809:
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Summary: Add registerNextWatermarkCallback() to TimerService
Key: FLINK-5809
URL: https://issues.apache.org/jira/browse/FLINK-5809
Project: Flink
Issue Type: Bug
Components: DataStream API
Reporter: Aljoscha Krettek
This new method is similar to {{registerEventTimeTimer()}} but instead of
specifying a certain time where the timer should fire this will simply fire
whenever a new watermark arrives.
This is, for example, useful when you want to buffer elements for sorting by
event time and always want to emit as soon as the operator receives a watermark.
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