org.apache.flink.table.api.dataview

Interface DataView

All Known Subinterfaces:

StateDataView<N>

All Known Implementing Classes:

ListView, MapView, StateListView, StateListView.KeyedStateListView, StateListView.NamespacedStateListView, StateMapView, StateMapView.KeyedStateMapViewWithKeysNotNull, StateMapView.KeyedStateMapViewWithKeysNullable, StateMapView.NamespacedStateMapViewWithKeysNotNull, StateMapView.NamespacedStateMapViewWithKeysNullable

@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

Modifier and Type	Method and Description
void	clear() Clears the DataView and removes all data.

Method Detail

clear

void clear()

Clears the DataView and removes all data.