Package org.apache.beam.sdk.extensions.sql.meta.provider.datagen

Class DataGeneratorRowFn

java.lang.Object

org.apache.beam.sdk.transforms.DoFn<Long,Row>

org.apache.beam.sdk.extensions.sql.meta.provider.datagen.DataGeneratorRowFn

All Implemented Interfaces:

Serializable, HasDisplayData

public class DataGeneratorRowFn
extends DoFn<Long,Row>

A stateful DoFn that converts a sequence of Longs into structured Rows.

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.beam.sdk.transforms.DoFn

DoFn.AlwaysFetched, DoFn.BoundedPerElement, DoFn.BundleFinalizer, DoFn.Element, DoFn.FieldAccess, DoFn.FinishBundle, DoFn.FinishBundleContext, DoFn.GetInitialRestriction, DoFn.GetInitialWatermarkEstimatorState, DoFn.GetRestrictionCoder, DoFn.GetSize, DoFn.GetWatermarkEstimatorStateCoder, DoFn.Key, DoFn.MultiOutputReceiver, DoFn.NewTracker, DoFn.NewWatermarkEstimator, DoFn.OnTimer, DoFn.OnTimerContext, DoFn.OnTimerFamily, DoFn.OnWindowExpiration, DoFn.OnWindowExpirationContext, DoFn.OutputReceiver<T>, DoFn.ProcessContext, DoFn.ProcessContinuation, DoFn.ProcessElement, DoFn.RequiresStableInput, DoFn.RequiresTimeSortedInput, DoFn.Restriction, DoFn.Setup, DoFn.SideInput, DoFn.SplitRestriction, DoFn.StartBundle, DoFn.StartBundleContext, DoFn.StateId, DoFn.Teardown, DoFn.TimerFamily, DoFn.TimerId, DoFn.Timestamp, DoFn.TruncateRestriction, DoFn.UnboundedPerElement, DoFn.WatermarkEstimatorState, DoFn.WindowedContext

Constructor Summary

Constructors

Constructor	Description
DataGeneratorRowFn(Schema schema, ObjectNode properties, String primaryTimestampField)

Method Summary

Modifier and Type	Method	Description
void	processElement(Long index, Instant timestamp, DoFn.OutputReceiver<Row> out)
void	setup()

Methods inherited from class org.apache.beam.sdk.transforms.DoFn

getAllowedTimestampSkew, getInputTypeDescriptor, getOutputTypeDescriptor, populateDisplayData, prepareForProcessing

Methods inherited from class java.lang.Object

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

Constructor Details

DataGeneratorRowFn

public DataGeneratorRowFn(Schema schema,
 ObjectNode properties,
 @Nullable
 String primaryTimestampField)

Method Details

setup

@Setup
public void setup()

processElement

@ProcessElement
public void processElement(@Element
 Long index,
 @Timestamp
 Instant timestamp,
 DoFn.OutputReceiver<Row> out)