org.apache.flink.table.sources

Interface StreamTableSource<T>

Type Parameters:

T - Type of the DataStream created by this TableSource.

All Superinterfaces:

org.apache.flink.table.sources.TableSource<T>

All Known Implementing Classes:

CsvTableSource, InputFormatTableSource

public interface StreamTableSource<T>
extends org.apache.flink.table.sources.TableSource<T>

Defines an external stream table and provides read access to its data.

Method Summary

Modifier and Type	Method and Description
org.apache.flink.streaming.api.datastream.DataStream<T>	getDataStream(org.apache.flink.streaming.api.environment.StreamExecutionEnvironment execEnv) Returns the data of the table as a DataStream.
default boolean	isBounded() Returns true if this is a bounded source, false if this is an unbounded source.

Methods inherited from interface org.apache.flink.table.sources.TableSource

explainSource, getProducedDataType, getReturnType, getTableSchema

Method Detail

isBounded

default boolean isBounded()

Returns true if this is a bounded source, false if this is an unbounded source. Default is unbounded for compatibility.

getDataStream

org.apache.flink.streaming.api.datastream.DataStream<T> getDataStream(org.apache.flink.streaming.api.environment.StreamExecutionEnvironment execEnv)

Returns the data of the table as a DataStream.

NOTE: This method is for internal use only for defining a TableSource. Do not use it in Table API programs.