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

Class AbstractFlinkCombineRunner.PartialFlinkCombiner<K,InputT,AccumT>

java.lang.Object

org.apache.beam.runners.flink.translation.functions.AbstractFlinkCombineRunner.PartialFlinkCombiner<K,InputT,AccumT>

All Implemented Interfaces:

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

Enclosing class:

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

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

A partial combiner that takes in InputT and produces AccumT.

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
AccumT	addInput(K key, AccumT accumulator, InputT 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)
AccumT	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, InputT 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

PartialFlinkCombiner

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

Method Detail

firstInput

public AccumT firstInput(K key,
                         InputT 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,InputT,AccumT,AccumT>

addInput

public AccumT addInput(K key,
                       AccumT accumulator,
                       InputT 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,InputT,AccumT,AccumT>

extractOutput

public AccumT 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,InputT,AccumT,AccumT>