org.apache.beam.runners.flink.metrics

Class DoFnRunnerWithMetricsUpdate<InputT,OutputT>

java.lang.Object

org.apache.beam.runners.flink.metrics.DoFnRunnerWithMetricsUpdate<InputT,OutputT>

All Implemented Interfaces:

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

public class DoFnRunnerWithMetricsUpdate<InputT,OutputT>
extends java.lang.Object
implements org.apache.beam.runners.core.DoFnRunner<InputT,OutputT>

DoFnRunner decorator which registers MetricsContainerImpl. It updates metrics to Flink metrics and accumulators in finishBundle().

Constructor Summary

Constructors

Constructor and Description
DoFnRunnerWithMetricsUpdate(java.lang.String stepName, org.apache.beam.runners.core.DoFnRunner<InputT,OutputT> delegate, FlinkMetricContainer metricContainer)

Method Summary

Modifier and Type	Method and Description
void	finishBundle()
DoFn<InputT,OutputT>	getFn()
<KeyT> void	onTimer(java.lang.String timerId, java.lang.String timerFamilyId, KeyT key, BoundedWindow window, Instant timestamp, Instant outputTimestamp, TimeDomain timeDomain)
<KeyT> void	onWindowExpiration(BoundedWindow window, Instant timestamp, KeyT key)
void	processElement(org.apache.beam.sdk.util.WindowedValue<InputT> elem)
void	startBundle()

Methods inherited from class java.lang.Object

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

Constructor Detail

DoFnRunnerWithMetricsUpdate

public DoFnRunnerWithMetricsUpdate(java.lang.String stepName,
                                   org.apache.beam.runners.core.DoFnRunner<InputT,OutputT> delegate,
                                   FlinkMetricContainer metricContainer)

Method Detail

startBundle

public void startBundle()

Specified by:

startBundle in interface org.apache.beam.runners.core.DoFnRunner<InputT,OutputT>

processElement

public void processElement(org.apache.beam.sdk.util.WindowedValue<InputT> elem)

Specified by:

processElement in interface org.apache.beam.runners.core.DoFnRunner<InputT,OutputT>

onTimer

public <KeyT> void onTimer(java.lang.String timerId,
                           java.lang.String timerFamilyId,
                           KeyT key,
                           BoundedWindow window,
                           Instant timestamp,
                           Instant outputTimestamp,
                           TimeDomain timeDomain)

Specified by:

onTimer in interface org.apache.beam.runners.core.DoFnRunner<InputT,OutputT>

finishBundle

public void finishBundle()

Specified by:

finishBundle in interface org.apache.beam.runners.core.DoFnRunner<InputT,OutputT>

onWindowExpiration

public <KeyT> void onWindowExpiration(BoundedWindow window,
                                      Instant timestamp,
                                      KeyT key)

Specified by:

onWindowExpiration in interface org.apache.beam.runners.core.DoFnRunner<InputT,OutputT>

getFn

public DoFn<InputT,OutputT> getFn()

Specified by:

getFn in interface org.apache.beam.runners.core.DoFnRunner<InputT,OutputT>