org.apache.beam.runners.flink.translation.functions

Class AbstractFlinkCombineRunner.FinalFlinkCombiner<K,AccumT,OutputT>

java.lang.Object

org.apache.beam.runners.flink.translation.functions.AbstractFlinkCombineRunner.FinalFlinkCombiner<K,AccumT,OutputT>

All Implemented Interfaces:

AbstractFlinkCombineRunner.FlinkCombiner<K,AccumT,AccumT,OutputT>

Enclosing class:

AbstractFlinkCombineRunner<K,InputT,AccumT,OutputT,W extends org.apache.beam.sdk.transforms.windowing.BoundedWindow>

public static class AbstractFlinkCombineRunner.FinalFlinkCombiner<K,AccumT,OutputT>
extends java.lang.Object
implements AbstractFlinkCombineRunner.FlinkCombiner<K,AccumT,AccumT,OutputT>

A final combiner that takes in AccumT and produces OutputT.

Constructor Summary

Constructors

Constructor and Description
FinalFlinkCombiner(org.apache.beam.sdk.transforms.CombineFnBase.GlobalCombineFn<?,AccumT,OutputT> combineFn)

Method Summary

Modifier and Type	Method and Description
AccumT	addInput(K key, AccumT accumulator, AccumT value, org.apache.beam.sdk.options.PipelineOptions options, org.apache.beam.runners.core.SideInputReader sideInputReader, java.util.Collection<? extends org.apache.beam.sdk.transforms.windowing.BoundedWindow> windows)
OutputT	extractOutput(K key, AccumT accumulator, org.apache.beam.sdk.options.PipelineOptions options, org.apache.beam.runners.core.SideInputReader sideInputReader, java.util.Collection<? extends org.apache.beam.sdk.transforms.windowing.BoundedWindow> windows)
AccumT	firstInput(K key, AccumT value, org.apache.beam.sdk.options.PipelineOptions options, org.apache.beam.runners.core.SideInputReader sideInputReader, java.util.Collection<? extends org.apache.beam.sdk.transforms.windowing.BoundedWindow> windows)

Methods inherited from class java.lang.Object

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

Constructor Detail

FinalFlinkCombiner

public FinalFlinkCombiner(org.apache.beam.sdk.transforms.CombineFnBase.GlobalCombineFn<?,AccumT,OutputT> combineFn)

Method Detail

firstInput

public AccumT firstInput(K key,
                         AccumT value,
                         org.apache.beam.sdk.options.PipelineOptions options,
                         org.apache.beam.runners.core.SideInputReader sideInputReader,
                         java.util.Collection<? extends org.apache.beam.sdk.transforms.windowing.BoundedWindow> windows)

Specified by:

firstInput in interface AbstractFlinkCombineRunner.FlinkCombiner<K,AccumT,AccumT,OutputT>

addInput

public AccumT addInput(K key,
                       AccumT accumulator,
                       AccumT value,
                       org.apache.beam.sdk.options.PipelineOptions options,
                       org.apache.beam.runners.core.SideInputReader sideInputReader,
                       java.util.Collection<? extends org.apache.beam.sdk.transforms.windowing.BoundedWindow> windows)

Specified by:

addInput in interface AbstractFlinkCombineRunner.FlinkCombiner<K,AccumT,AccumT,OutputT>

extractOutput

public OutputT extractOutput(K key,
                             AccumT accumulator,
                             org.apache.beam.sdk.options.PipelineOptions options,
                             org.apache.beam.runners.core.SideInputReader sideInputReader,
                             java.util.Collection<? extends org.apache.beam.sdk.transforms.windowing.BoundedWindow> windows)

Specified by:

extractOutput in interface AbstractFlinkCombineRunner.FlinkCombiner<K,AccumT,AccumT,OutputT>