org.apache.flink.table.sources

Class InputFormatTableSource<T>

java.lang.Object

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

Type Parameters:

T - Type of the bounded InputFormat created by this TableSource.

All Implemented Interfaces:

StreamTableSource<T>, TableSource<T>

Direct Known Subclasses:

BatchSQLTestProgram.GeneratorTableSource, BoundedTransactionTableSource

@Experimental
public abstract class InputFormatTableSource<T>
extends Object
implements StreamTableSource<T>

Defines an external bounded table and provides access to its data.

Constructor Summary

Constructors

Constructor and Description
InputFormatTableSource()

Method Summary

Modifier and Type	Method and Description
DataStream<T>	getDataStream(StreamExecutionEnvironment execEnv) Returns the data of the table as a DataStream.
abstract InputFormat<T,?>	getInputFormat() Returns an InputFormat for reading the data of the table.
boolean	isBounded() Always returns true which indicates this is a bounded source.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

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

explainSource, getProducedDataType, getReturnType, getTableSchema

Constructor Detail

InputFormatTableSource

public InputFormatTableSource()

Method Detail

getInputFormat

public abstract InputFormat<T,?> getInputFormat()

Returns an InputFormat for reading the data of the table.

isBounded

public final boolean isBounded()

Always returns true which indicates this is a bounded source.

Specified by:

isBounded in interface StreamTableSource<T>

getDataStream

public final DataStream<T> getDataStream(StreamExecutionEnvironment execEnv)

Description copied from interface: StreamTableSource

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.

Specified by:

getDataStream in interface StreamTableSource<T>