org.apache.beam.runners.flink.translation.wrappers.streaming

Class DoFnOperator<InputT,OutputT>

java.lang.Object

org.apache.flink.streaming.api.operators.AbstractStreamOperator<OutputT>

org.apache.beam.runners.flink.translation.wrappers.streaming.AbstractStreamOperatorCompat<org.apache.beam.sdk.util.WindowedValue<OutputT>>

org.apache.beam.runners.flink.translation.wrappers.streaming.DoFnOperator<InputT,OutputT>

Type Parameters:

InputT - the input type of the DoFn

OutputT - the output type of the DoFn

All Implemented Interfaces:

java.io.Serializable, org.apache.flink.runtime.state.CheckpointListener, org.apache.flink.streaming.api.operators.KeyContext, org.apache.flink.streaming.api.operators.OneInputStreamOperator<org.apache.beam.sdk.util.WindowedValue<InputT>,org.apache.beam.sdk.util.WindowedValue<OutputT>>, org.apache.flink.streaming.api.operators.SetupableStreamOperator<org.apache.beam.sdk.util.WindowedValue<OutputT>>, org.apache.flink.streaming.api.operators.StreamOperator<org.apache.beam.sdk.util.WindowedValue<OutputT>>, org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator, org.apache.flink.streaming.api.operators.Triggerable<java.nio.ByteBuffer,org.apache.beam.runners.core.TimerInternals.TimerData>, org.apache.flink.streaming.api.operators.TwoInputStreamOperator<org.apache.beam.sdk.util.WindowedValue<InputT>,org.apache.beam.sdk.transforms.join.RawUnionValue,org.apache.beam.sdk.util.WindowedValue<OutputT>>, org.apache.flink.util.Disposable

Direct Known Subclasses:

ExecutableStageDoFnOperator, SplittableDoFnOperator, WindowDoFnOperator

public class DoFnOperator<InputT,OutputT>
extends AbstractStreamOperatorCompat<org.apache.beam.sdk.util.WindowedValue<OutputT>>
implements org.apache.flink.streaming.api.operators.OneInputStreamOperator<org.apache.beam.sdk.util.WindowedValue<InputT>,org.apache.beam.sdk.util.WindowedValue<OutputT>>, org.apache.flink.streaming.api.operators.TwoInputStreamOperator<org.apache.beam.sdk.util.WindowedValue<InputT>,org.apache.beam.sdk.transforms.join.RawUnionValue,org.apache.beam.sdk.util.WindowedValue<OutputT>>, org.apache.flink.streaming.api.operators.Triggerable<java.nio.ByteBuffer,org.apache.beam.runners.core.TimerInternals.TimerData>

Flink operator for executing DoFns.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DoFnOperator.BufferedOutputManager<OutputT> A DoFnRunners.OutputManager that can buffer its outputs.
protected class	DoFnOperator.FlinkStepContext StepContext for running DoFns on Flink.
static class	DoFnOperator.MultiOutputOutputManagerFactory<OutputT> Implementation of OutputManagerFactory that creates an DoFnOperator.BufferedOutputManager that can write to multiple logical outputs by Flink side output.

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.List<org.apache.beam.sdk.values.TupleTag<?>>	additionalOutputTags
protected BufferingDoFnRunner<InputT,OutputT>	bufferingDoFnRunner
protected org.apache.beam.sdk.transforms.DoFn<InputT,OutputT>	doFn
protected org.apache.beam.runners.core.DoFnRunner<InputT,OutputT>	doFnRunner
protected org.apache.beam.sdk.coders.Coder<?>	keyCoder
protected FlinkStateInternals<?>	keyedStateInternals
protected org.apache.beam.sdk.values.TupleTag<OutputT>	mainOutputTag
protected DoFnOperator.BufferedOutputManager<OutputT>	outputManager
protected org.apache.beam.runners.flink.translation.wrappers.streaming.DoFnOperator.OutputManagerFactory<OutputT>	outputManagerFactory
protected org.apache.beam.runners.core.PushbackSideInputDoFnRunner<InputT,OutputT>	pushbackDoFnRunner
protected org.apache.beam.runners.core.construction.SerializablePipelineOptions	serializedOptions
protected org.apache.beam.runners.core.SideInputHandler	sideInputHandler
protected org.apache.beam.runners.core.SideInputReader	sideInputReader
protected java.util.Collection<org.apache.beam.sdk.values.PCollectionView<?>>	sideInputs
protected java.util.Map<java.lang.Integer,org.apache.beam.sdk.values.PCollectionView<?>>	sideInputTagMapping
protected java.lang.String	stepName
protected org.apache.beam.runners.flink.translation.wrappers.streaming.DoFnOperator.FlinkTimerInternals	timerInternals
protected org.apache.flink.streaming.api.operators.InternalTimerService<org.apache.beam.runners.core.TimerInternals.TimerData>	timerService
protected org.apache.beam.sdk.values.WindowingStrategy<?,?>	windowingStrategy

Fields inherited from class org.apache.flink.streaming.api.operators.AbstractStreamOperator

chainingStrategy, config, latencyStats, metrics, output, processingTimeService

Constructor Summary

Constructors

Constructor and Description

DoFnOperator(org.apache.beam.sdk.transforms.DoFn<InputT,OutputT> doFn, java.lang.String stepName, org.apache.beam.sdk.coders.Coder<org.apache.beam.sdk.util.WindowedValue<InputT>> inputWindowedCoder, java.util.Map<org.apache.beam.sdk.values.TupleTag<?>,org.apache.beam.sdk.coders.Coder<?>> outputCoders, org.apache.beam.sdk.values.TupleTag<OutputT> mainOutputTag, java.util.List<org.apache.beam.sdk.values.TupleTag<?>> additionalOutputTags, org.apache.beam.runners.flink.translation.wrappers.streaming.DoFnOperator.OutputManagerFactory<OutputT> outputManagerFactory, org.apache.beam.sdk.values.WindowingStrategy<?,?> windowingStrategy, java.util.Map<java.lang.Integer,org.apache.beam.sdk.values.PCollectionView<?>> sideInputTagMapping, java.util.Collection<org.apache.beam.sdk.values.PCollectionView<?>> sideInputs, org.apache.beam.sdk.options.PipelineOptions options, org.apache.beam.sdk.coders.Coder<?> keyCoder, org.apache.flink.api.java.functions.KeySelector<org.apache.beam.sdk.util.WindowedValue<InputT>,?> keySelector, org.apache.beam.sdk.transforms.DoFnSchemaInformation doFnSchemaInformation, java.util.Map<java.lang.String,org.apache.beam.sdk.values.PCollectionView<?>> sideInputMapping) Constructor for DoFnOperator.

Method Summary

Modifier and Type	Method and Description
protected void	addSideInputValue(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.beam.sdk.transforms.join.RawUnionValue> streamRecord) Add the side input value.
long	applyInputWatermarkHold(long inputWatermark) Allows to apply a hold to the input watermark.
long	applyOutputWatermarkHold(long currentOutputWatermark, long potentialOutputWatermark) Allows to apply a hold to the output watermark before it is send out.
protected org.apache.beam.runners.core.DoFnRunner<InputT,OutputT>	createWrappingDoFnRunner(org.apache.beam.runners.core.DoFnRunner<InputT,OutputT> wrappedRunner, org.apache.beam.runners.core.StepContext stepContext)
protected void	fireTimer(org.apache.beam.runners.core.TimerInternals.TimerData timerData)
protected void	fireTimerInternal(java.nio.ByteBuffer key, org.apache.beam.runners.core.TimerInternals.TimerData timerData)
org.apache.beam.sdk.transforms.DoFn.BundleFinalizer	getBundleFinalizer()
long	getCurrentOutputWatermark()
protected org.apache.beam.sdk.transforms.DoFn<InputT,OutputT>	getDoFn()
long	getEffectiveInputWatermark()
protected java.util.concurrent.locks.Lock	getLockToAcquireForStateAccessDuringBundles() Subclasses may provide a lock to ensure that the state backend is not accessed concurrently during bundle execution.
void	initializeState(org.apache.flink.runtime.state.StateInitializationContext context)
protected void	invokeFinishBundle()
void	notifyCheckpointComplete(long checkpointId)
void	onEventTime(org.apache.flink.streaming.api.operators.InternalTimer<java.nio.ByteBuffer,org.apache.beam.runners.core.TimerInternals.TimerData> timer)
void	onProcessingTime(org.apache.flink.streaming.api.operators.InternalTimer<java.nio.ByteBuffer,org.apache.beam.runners.core.TimerInternals.TimerData> timer)
void	open()
void	prepareSnapshotPreBarrier(long checkpointId)
void	processElement(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.beam.sdk.util.WindowedValue<InputT>> streamRecord)
void	processElement1(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.beam.sdk.util.WindowedValue<InputT>> streamRecord)
void	processElement2(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.beam.sdk.transforms.join.RawUnionValue> streamRecord)
void	processWatermark(org.apache.flink.streaming.api.watermark.Watermark mark)
void	processWatermark1(org.apache.flink.streaming.api.watermark.Watermark mark)
void	processWatermark2(org.apache.flink.streaming.api.watermark.Watermark mark)
protected void	setBundleFinishedCallback(java.lang.Runnable callback)
protected void	setPreBundleCallback(java.lang.Runnable callback)
void	setup(org.apache.flink.streaming.runtime.tasks.StreamTask<?,?> containingTask, org.apache.flink.streaming.api.graph.StreamConfig config, org.apache.flink.streaming.api.operators.Output<org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.beam.sdk.util.WindowedValue<OutputT>>> output)
void	snapshotState(org.apache.flink.runtime.state.StateSnapshotContext context)

Methods inherited from class org.apache.beam.runners.flink.translation.wrappers.streaming.AbstractStreamOperatorCompat

close, dispose, getTimeServiceManagerCompat

Methods inherited from class org.apache.flink.streaming.api.operators.AbstractStreamOperator

getChainingStrategy, getContainingTask, getCurrentKey, getExecutionConfig, getInternalTimerService, getKeyedStateBackend, getKeyedStateStore, getMetricGroup, getOperatorConfig, getOperatorID, getOperatorName, getOperatorStateBackend, getOrCreateKeyedState, getPartitionedState, getPartitionedState, getProcessingTimeService, getRuntimeContext, getTimeServiceManager, getUserCodeClassloader, initializeState, isUsingCustomRawKeyedState, notifyCheckpointAborted, numEventTimeTimers, numProcessingTimeTimers, processLatencyMarker, processLatencyMarker1, processLatencyMarker2, reportOrForwardLatencyMarker, setChainingStrategy, setCurrentKey, setKeyContextElement1, setKeyContextElement2, setProcessingTimeService, snapshotState

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.streaming.api.operators.OneInputStreamOperator

processLatencyMarker

Methods inherited from interface org.apache.flink.streaming.api.operators.TwoInputStreamOperator

processLatencyMarker1, processLatencyMarker2

Methods inherited from interface org.apache.flink.streaming.api.operators.StreamOperator

close, dispose, getMetricGroup, getOperatorID, initializeState, setKeyContextElement1, setKeyContextElement2, snapshotState

Methods inherited from interface org.apache.flink.runtime.state.CheckpointListener

notifyCheckpointAborted

Methods inherited from interface org.apache.flink.streaming.api.operators.KeyContext

getCurrentKey, setCurrentKey

Field Detail

doFn

protected org.apache.beam.sdk.transforms.DoFn<InputT,OutputT> doFn

serializedOptions

protected final org.apache.beam.runners.core.construction.SerializablePipelineOptions serializedOptions

mainOutputTag

protected final org.apache.beam.sdk.values.TupleTag<OutputT> mainOutputTag

additionalOutputTags

protected final java.util.List<org.apache.beam.sdk.values.TupleTag<?>> additionalOutputTags

sideInputs

protected final java.util.Collection<org.apache.beam.sdk.values.PCollectionView<?>> sideInputs

sideInputTagMapping

protected final java.util.Map<java.lang.Integer,org.apache.beam.sdk.values.PCollectionView<?>> sideInputTagMapping

windowingStrategy

protected final org.apache.beam.sdk.values.WindowingStrategy<?,?> windowingStrategy

outputManagerFactory

protected final org.apache.beam.runners.flink.translation.wrappers.streaming.DoFnOperator.OutputManagerFactory<OutputT> outputManagerFactory

doFnRunner

protected transient org.apache.beam.runners.core.DoFnRunner<InputT,OutputT> doFnRunner

pushbackDoFnRunner

protected transient org.apache.beam.runners.core.PushbackSideInputDoFnRunner<InputT,OutputT> pushbackDoFnRunner

bufferingDoFnRunner

protected transient BufferingDoFnRunner<InputT,OutputT> bufferingDoFnRunner

sideInputHandler

protected transient org.apache.beam.runners.core.SideInputHandler sideInputHandler

sideInputReader

protected transient org.apache.beam.runners.core.SideInputReader sideInputReader

outputManager

protected transient DoFnOperator.BufferedOutputManager<OutputT> outputManager

keyedStateInternals

protected transient FlinkStateInternals<?> keyedStateInternals

timerInternals

protected transient org.apache.beam.runners.flink.translation.wrappers.streaming.DoFnOperator.FlinkTimerInternals timerInternals

stepName

protected final java.lang.String stepName

keyCoder

protected final org.apache.beam.sdk.coders.Coder<?> keyCoder

timerService

protected transient org.apache.flink.streaming.api.operators.InternalTimerService<org.apache.beam.runners.core.TimerInternals.TimerData> timerService

Constructor Detail

DoFnOperator

public DoFnOperator(org.apache.beam.sdk.transforms.DoFn<InputT,OutputT> doFn,
                    java.lang.String stepName,
                    org.apache.beam.sdk.coders.Coder<org.apache.beam.sdk.util.WindowedValue<InputT>> inputWindowedCoder,
                    java.util.Map<org.apache.beam.sdk.values.TupleTag<?>,org.apache.beam.sdk.coders.Coder<?>> outputCoders,
                    org.apache.beam.sdk.values.TupleTag<OutputT> mainOutputTag,
                    java.util.List<org.apache.beam.sdk.values.TupleTag<?>> additionalOutputTags,
                    org.apache.beam.runners.flink.translation.wrappers.streaming.DoFnOperator.OutputManagerFactory<OutputT> outputManagerFactory,
                    org.apache.beam.sdk.values.WindowingStrategy<?,?> windowingStrategy,
                    java.util.Map<java.lang.Integer,org.apache.beam.sdk.values.PCollectionView<?>> sideInputTagMapping,
                    java.util.Collection<org.apache.beam.sdk.values.PCollectionView<?>> sideInputs,
                    org.apache.beam.sdk.options.PipelineOptions options,
                    org.apache.beam.sdk.coders.Coder<?> keyCoder,
                    org.apache.flink.api.java.functions.KeySelector<org.apache.beam.sdk.util.WindowedValue<InputT>,?> keySelector,
                    org.apache.beam.sdk.transforms.DoFnSchemaInformation doFnSchemaInformation,
                    java.util.Map<java.lang.String,org.apache.beam.sdk.values.PCollectionView<?>> sideInputMapping)

Constructor for DoFnOperator.

Method Detail

getDoFn

protected org.apache.beam.sdk.transforms.DoFn<InputT,OutputT> getDoFn()

createWrappingDoFnRunner

protected org.apache.beam.runners.core.DoFnRunner<InputT,OutputT> createWrappingDoFnRunner(org.apache.beam.runners.core.DoFnRunner<InputT,OutputT> wrappedRunner,
                                                                                           org.apache.beam.runners.core.StepContext stepContext)

setup

public void setup(org.apache.flink.streaming.runtime.tasks.StreamTask<?,?> containingTask,
                  org.apache.flink.streaming.api.graph.StreamConfig config,
                  org.apache.flink.streaming.api.operators.Output<org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.beam.sdk.util.WindowedValue<OutputT>>> output)

Specified by:

setup in interface org.apache.flink.streaming.api.operators.SetupableStreamOperator<org.apache.beam.sdk.util.WindowedValue<OutputT>>

Overrides:

setup in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.beam.sdk.util.WindowedValue<OutputT>>

initializeState

public void initializeState(org.apache.flink.runtime.state.StateInitializationContext context)
                     throws java.lang.Exception

Specified by:

initializeState in interface org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator

Overrides:

initializeState in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.beam.sdk.util.WindowedValue<OutputT>>

Throws:

java.lang.Exception

getLockToAcquireForStateAccessDuringBundles

protected java.util.concurrent.locks.Lock getLockToAcquireForStateAccessDuringBundles()

Subclasses may provide a lock to ensure that the state backend is not accessed concurrently during bundle execution.

open

public void open()
          throws java.lang.Exception

Specified by:

open in interface org.apache.flink.streaming.api.operators.StreamOperator<org.apache.beam.sdk.util.WindowedValue<OutputT>>

Overrides:

open in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.beam.sdk.util.WindowedValue<OutputT>>

Throws:

java.lang.Exception

getEffectiveInputWatermark

public long getEffectiveInputWatermark()

getCurrentOutputWatermark

public long getCurrentOutputWatermark()

setPreBundleCallback

protected final void setPreBundleCallback(java.lang.Runnable callback)

setBundleFinishedCallback

protected final void setBundleFinishedCallback(java.lang.Runnable callback)

processElement

public final void processElement(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.beam.sdk.util.WindowedValue<InputT>> streamRecord)

Specified by:

processElement in interface org.apache.flink.streaming.api.operators.OneInputStreamOperator<org.apache.beam.sdk.util.WindowedValue<InputT>,org.apache.beam.sdk.util.WindowedValue<OutputT>>

processElement1

public final void processElement1(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.beam.sdk.util.WindowedValue<InputT>> streamRecord)
                           throws java.lang.Exception

Specified by:

processElement1 in interface org.apache.flink.streaming.api.operators.TwoInputStreamOperator<org.apache.beam.sdk.util.WindowedValue<InputT>,org.apache.beam.sdk.transforms.join.RawUnionValue,org.apache.beam.sdk.util.WindowedValue<OutputT>>

Throws:

java.lang.Exception

addSideInputValue

protected void addSideInputValue(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.beam.sdk.transforms.join.RawUnionValue> streamRecord)

Add the side input value. Here we are assuming that views have already been materialized and are sent over the wire as Iterable. Subclasses may elect to perform materialization in state and receive side input incrementally instead.

Parameters:

streamRecord -

processElement2

public final void processElement2(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.beam.sdk.transforms.join.RawUnionValue> streamRecord)
                           throws java.lang.Exception

Specified by:

processElement2 in interface org.apache.flink.streaming.api.operators.TwoInputStreamOperator<org.apache.beam.sdk.util.WindowedValue<InputT>,org.apache.beam.sdk.transforms.join.RawUnionValue,org.apache.beam.sdk.util.WindowedValue<OutputT>>

Throws:

java.lang.Exception

processWatermark

public final void processWatermark(org.apache.flink.streaming.api.watermark.Watermark mark)
                            throws java.lang.Exception

Specified by:

processWatermark in interface org.apache.flink.streaming.api.operators.OneInputStreamOperator<org.apache.beam.sdk.util.WindowedValue<InputT>,org.apache.beam.sdk.util.WindowedValue<OutputT>>

Overrides:

processWatermark in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.beam.sdk.util.WindowedValue<OutputT>>

Throws:

java.lang.Exception

processWatermark1

public final void processWatermark1(org.apache.flink.streaming.api.watermark.Watermark mark)
                             throws java.lang.Exception

Specified by:

processWatermark1 in interface org.apache.flink.streaming.api.operators.TwoInputStreamOperator<org.apache.beam.sdk.util.WindowedValue<InputT>,org.apache.beam.sdk.transforms.join.RawUnionValue,org.apache.beam.sdk.util.WindowedValue<OutputT>>

Overrides:

processWatermark1 in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.beam.sdk.util.WindowedValue<OutputT>>

Throws:

java.lang.Exception

applyInputWatermarkHold

public long applyInputWatermarkHold(long inputWatermark)

Allows to apply a hold to the input watermark. By default, just passes the input watermark through.

applyOutputWatermarkHold

public long applyOutputWatermarkHold(long currentOutputWatermark,
                                     long potentialOutputWatermark)

Allows to apply a hold to the output watermark before it is send out. By default, just passes the potential output watermark through which will make it the new output watermark.

Parameters:

currentOutputWatermark - the current output watermark

potentialOutputWatermark - The potential new output watermark which can be adjusted, if needed. The input watermark hold has already been applied.

Returns:

The new output watermark which will be emitted.

processWatermark2

public final void processWatermark2(org.apache.flink.streaming.api.watermark.Watermark mark)
                             throws java.lang.Exception

Specified by:

processWatermark2 in interface org.apache.flink.streaming.api.operators.TwoInputStreamOperator<org.apache.beam.sdk.util.WindowedValue<InputT>,org.apache.beam.sdk.transforms.join.RawUnionValue,org.apache.beam.sdk.util.WindowedValue<OutputT>>

Overrides:

processWatermark2 in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.beam.sdk.util.WindowedValue<OutputT>>

Throws:

java.lang.Exception

invokeFinishBundle

protected final void invokeFinishBundle()

prepareSnapshotPreBarrier

public void prepareSnapshotPreBarrier(long checkpointId)

Specified by:

prepareSnapshotPreBarrier in interface org.apache.flink.streaming.api.operators.StreamOperator<org.apache.beam.sdk.util.WindowedValue<OutputT>>

Overrides:

prepareSnapshotPreBarrier in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.beam.sdk.util.WindowedValue<OutputT>>

snapshotState

public final void snapshotState(org.apache.flink.runtime.state.StateSnapshotContext context)
                         throws java.lang.Exception

Specified by:

snapshotState in interface org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator

Overrides:

snapshotState in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.beam.sdk.util.WindowedValue<OutputT>>

Throws:

java.lang.Exception

getBundleFinalizer

public org.apache.beam.sdk.transforms.DoFn.BundleFinalizer getBundleFinalizer()

notifyCheckpointComplete

public void notifyCheckpointComplete(long checkpointId)
                              throws java.lang.Exception

Specified by:

notifyCheckpointComplete in interface org.apache.flink.runtime.state.CheckpointListener

Overrides:

notifyCheckpointComplete in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.beam.sdk.util.WindowedValue<OutputT>>

Throws:

java.lang.Exception

onEventTime

public void onEventTime(org.apache.flink.streaming.api.operators.InternalTimer<java.nio.ByteBuffer,org.apache.beam.runners.core.TimerInternals.TimerData> timer)

Specified by:

onEventTime in interface org.apache.flink.streaming.api.operators.Triggerable<java.nio.ByteBuffer,org.apache.beam.runners.core.TimerInternals.TimerData>

onProcessingTime

public void onProcessingTime(org.apache.flink.streaming.api.operators.InternalTimer<java.nio.ByteBuffer,org.apache.beam.runners.core.TimerInternals.TimerData> timer)

Specified by:

onProcessingTime in interface org.apache.flink.streaming.api.operators.Triggerable<java.nio.ByteBuffer,org.apache.beam.runners.core.TimerInternals.TimerData>

fireTimerInternal

protected void fireTimerInternal(java.nio.ByteBuffer key,
                                 org.apache.beam.runners.core.TimerInternals.TimerData timerData)

fireTimer

protected void fireTimer(org.apache.beam.runners.core.TimerInternals.TimerData timerData)