org.apache.flink.table.api.dataview

Interface DataView

All Superinterfaces:

Serializable

All Known Implementing Classes:

ListView, MapView

@PublicEvolving
public interface DataView
extends Serializable

A DataView is a collection type that can be used in the accumulator of an AggregateFunction.

Depending on the context in which the AggregateFunction is used, a DataView can be backed by a Java heap collection or a state backend.

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.