org.apache.flink.connector.datagen.table

Class DataGenTableSource

java.lang.Object

org.apache.flink.connector.datagen.table.DataGenTableSource

All Implemented Interfaces:

org.apache.flink.table.connector.source.abilities.SupportsLimitPushDown, org.apache.flink.table.connector.source.DynamicTableSource, org.apache.flink.table.connector.source.ScanTableSource

@Internal
public class DataGenTableSource
extends Object
implements org.apache.flink.table.connector.source.ScanTableSource, org.apache.flink.table.connector.source.abilities.SupportsLimitPushDown

A StreamTableSource that emits each number from a given interval exactly once, possibly in parallel. See StatefulSequenceSource.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.table.connector.source.ScanTableSource

org.apache.flink.table.connector.source.ScanTableSource.ScanContext, org.apache.flink.table.connector.source.ScanTableSource.ScanRuntimeProvider

Nested classes/interfaces inherited from interface org.apache.flink.table.connector.source.DynamicTableSource

org.apache.flink.table.connector.source.DynamicTableSource.Context, org.apache.flink.table.connector.source.DynamicTableSource.DataStructureConverter

Constructor Summary

Constructors

Constructor and Description
DataGenTableSource(org.apache.flink.streaming.api.functions.source.datagen.DataGenerator<?>[] fieldGenerators, String tableName, org.apache.flink.table.types.DataType rowDataType, long rowsPerSecond, Long numberOfRows)

Method Summary

Modifier and Type	Method and Description
void	applyLimit(long limit)
String	asSummaryString()
org.apache.flink.table.connector.source.DynamicTableSource	copy()
org.apache.flink.streaming.api.functions.source.datagen.DataGeneratorSource<org.apache.flink.table.data.RowData>	createSource()
org.apache.flink.table.connector.ChangelogMode	getChangelogMode()
org.apache.flink.table.connector.source.ScanTableSource.ScanRuntimeProvider	getScanRuntimeProvider(org.apache.flink.table.connector.source.ScanTableSource.ScanContext context)

Methods inherited from class java.lang.Object

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

Constructor Detail

DataGenTableSource

public DataGenTableSource(org.apache.flink.streaming.api.functions.source.datagen.DataGenerator<?>[] fieldGenerators,
                          String tableName,
                          org.apache.flink.table.types.DataType rowDataType,
                          long rowsPerSecond,
                          Long numberOfRows)

Method Detail

getScanRuntimeProvider

public org.apache.flink.table.connector.source.ScanTableSource.ScanRuntimeProvider getScanRuntimeProvider(org.apache.flink.table.connector.source.ScanTableSource.ScanContext context)

Specified by:

getScanRuntimeProvider in interface org.apache.flink.table.connector.source.ScanTableSource

createSource

@VisibleForTesting
public org.apache.flink.streaming.api.functions.source.datagen.DataGeneratorSource<org.apache.flink.table.data.RowData> createSource()

copy

public org.apache.flink.table.connector.source.DynamicTableSource copy()

Specified by:

copy in interface org.apache.flink.table.connector.source.DynamicTableSource

asSummaryString

public String asSummaryString()

Specified by:

asSummaryString in interface org.apache.flink.table.connector.source.DynamicTableSource

getChangelogMode

public org.apache.flink.table.connector.ChangelogMode getChangelogMode()

Specified by:

getChangelogMode in interface org.apache.flink.table.connector.source.ScanTableSource

applyLimit

public void applyLimit(long limit)

Specified by:

applyLimit in interface org.apache.flink.table.connector.source.abilities.SupportsLimitPushDown