org.apache.beam.sdk.io.gcp.bigtable.changestreams.dofn

Class DetectNewPartitionsDoFn

java.lang.Object

org.apache.beam.sdk.transforms.DoFn<InitialPipelineState,PartitionRecord>

org.apache.beam.sdk.io.gcp.bigtable.changestreams.dofn.DetectNewPartitionsDoFn

All Implemented Interfaces:

java.io.Serializable, HasDisplayData

@Internal
 @DoFn.UnboundedPerElement
public class DetectNewPartitionsDoFn
extends DoFn<InitialPipelineState,PartitionRecord>

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 and Description
DetectNewPartitionsDoFn(Instant endTime, ActionFactory actionFactory, DaoFactory daoFactory, ChangeStreamMetrics metrics)

Method Summary

Modifier and Type	Method and Description
Instant	getInitialWatermarkEstimatorState(InitialPipelineState initialPipelineState)
double	getSize()
OffsetRange	initialRestriction()
ManualWatermarkEstimator<Instant>	newWatermarkEstimator(Instant watermarkEstimatorState)
DoFn.ProcessContinuation	processElement(InitialPipelineState initialPipelineState, RestrictionTracker<OffsetRange,java.lang.Long> tracker, DoFn.OutputReceiver<PartitionRecord> receiver, ManualWatermarkEstimator<Instant> watermarkEstimator)
OffsetRangeTracker	restrictionTracker(OffsetRange restriction)
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 Detail

DetectNewPartitionsDoFn

public DetectNewPartitionsDoFn(@Nullable
                               Instant endTime,
                               ActionFactory actionFactory,
                               DaoFactory daoFactory,
                               ChangeStreamMetrics metrics)

Method Detail

getInitialWatermarkEstimatorState

@DoFn.GetInitialWatermarkEstimatorState
public Instant getInitialWatermarkEstimatorState(@DoFn.Element
                                                                                         InitialPipelineState initialPipelineState)

newWatermarkEstimator

@DoFn.NewWatermarkEstimator
public ManualWatermarkEstimator<Instant> newWatermarkEstimator(@DoFn.WatermarkEstimatorState
                                                                                           Instant watermarkEstimatorState)

initialRestriction

@DoFn.GetInitialRestriction
public OffsetRange initialRestriction()

restrictionTracker

@DoFn.NewTracker
public OffsetRangeTracker restrictionTracker(@DoFn.Restriction
                                                              OffsetRange restriction)

getSize

@DoFn.GetSize
public double getSize()

setup

@DoFn.Setup
public void setup()
                       throws java.io.IOException

Throws:

java.io.IOException

processElement

@DoFn.ProcessElement
public DoFn.ProcessContinuation processElement(@DoFn.Element
                                                                    InitialPipelineState initialPipelineState,
                                                                    RestrictionTracker<OffsetRange,java.lang.Long> tracker,
                                                                    DoFn.OutputReceiver<PartitionRecord> receiver,
                                                                    ManualWatermarkEstimator<Instant> watermarkEstimator)
                                                             throws java.lang.Exception

Throws:

java.lang.Exception