org.apache.beam.fn.harness

Class FnApiDoFnRunner<InputT,OutputT>

java.lang.Object

org.apache.beam.fn.harness.FnApiDoFnRunner<InputT,OutputT>

public class FnApiDoFnRunner<InputT,OutputT>
extends java.lang.Object

A DoFnRunner specific to integrating with the Fn Api. This is to remove the layers of abstraction caused by StateInternals/TimerInternals since they model state and timer concepts differently.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	FnApiDoFnRunner.Registrar A registrar which provides a factory to handle Java DoFns.

Method Summary

Modifier and Type	Method and Description
void	finishBundle()
void	processElement(org.apache.beam.sdk.util.WindowedValue<InputT> elem)
void	processTimer(java.lang.String timerId, org.apache.beam.sdk.state.TimeDomain timeDomain, org.apache.beam.sdk.util.WindowedValue<org.apache.beam.sdk.values.KV<java.lang.Object,org.apache.beam.runners.core.construction.Timer>> timer)
void	startBundle()

Methods inherited from class java.lang.Object

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

Method Detail

startBundle

public void startBundle()

processElement

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

processTimer

public void processTimer(java.lang.String timerId,
                         org.apache.beam.sdk.state.TimeDomain timeDomain,
                         org.apache.beam.sdk.util.WindowedValue<org.apache.beam.sdk.values.KV<java.lang.Object,org.apache.beam.runners.core.construction.Timer>> timer)

finishBundle

public void finishBundle()