WatermarkOutputMultiplexer.WatermarkUpdateListener (Flink : Core 1.20.2-cp1 API)

Enclosing class:

WatermarkOutputMultiplexer

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
@Internal
public static interface WatermarkOutputMultiplexer.WatermarkUpdateListener
```
A callback for propagating changes to split based watermarks.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void onWatermarkUpdate(long watermark)
  Called when the watermark increases.

- Method Detail
  - onWatermarkUpdate
```
void onWatermarkUpdate(long watermark)
```
    Called when the watermark increases.