DataView (Flink : Table : Common 2.0-preview1 API)

All Known Implementing Classes:

ListView, MapView
```
@PublicEvolving
public interface DataView
```
A DataView is a collection type that can be used in the accumulator of an ImperativeAggregateFunction.
Depending on the context in which the function is used, a DataView can be backed by a Java heap collection or a state backend.

See Also:

ListView, MapView

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void clear()
  Clears the DataView and removes all data.

- Method Detail
  - clear
```
void clear()
```
    Clears the DataView and removes all data.