org.apache.beam.sdk.extensions.sql.impl.transform

Class BeamBuiltinAnalyticFunctions.PositionAwareCombineFn<InputT,AccumT,OutputT>

java.lang.Object

org.apache.beam.sdk.transforms.Combine.CombineFn<InputT,AccumT,OutputT>

org.apache.beam.sdk.extensions.sql.impl.transform.BeamBuiltinAnalyticFunctions.PositionAwareCombineFn<InputT,AccumT,OutputT>

All Implemented Interfaces:

java.io.Serializable, org.apache.beam.sdk.transforms.CombineFnBase.GlobalCombineFn<InputT,AccumT,OutputT>, org.apache.beam.sdk.transforms.display.HasDisplayData

Enclosing class:

BeamBuiltinAnalyticFunctions

public abstract static class BeamBuiltinAnalyticFunctions.PositionAwareCombineFn<InputT,AccumT,OutputT>
extends org.apache.beam.sdk.transforms.Combine.CombineFn<InputT,AccumT,OutputT>

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
PositionAwareCombineFn()

Method Summary

Modifier and Type	Method and Description
AccumT	addInput(AccumT mutableAccumulator, InputT input)
abstract AccumT	addInput(AccumT accumulator, InputT input, java.lang.Long cursorWindow, java.lang.Long cursorPartition, java.lang.Long countPartition)
AccumT	mergeAccumulators(java.lang.Iterable<AccumT> accumulators)

Methods inherited from class org.apache.beam.sdk.transforms.Combine.CombineFn

apply, compact, createAccumulator, defaultValue, extractOutput, getInputType, getOutputType

Methods inherited from class java.lang.Object

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

Constructor Detail

PositionAwareCombineFn

public PositionAwareCombineFn()

Method Detail

addInput

public abstract AccumT addInput(AccumT accumulator,
                                InputT input,
                                java.lang.Long cursorWindow,
                                java.lang.Long cursorPartition,
                                java.lang.Long countPartition)

addInput

public AccumT addInput(AccumT mutableAccumulator,
                       InputT input)

Specified by:

addInput in class org.apache.beam.sdk.transforms.Combine.CombineFn<InputT,AccumT,OutputT>

mergeAccumulators

public AccumT mergeAccumulators(java.lang.Iterable<AccumT> accumulators)

Specified by:

mergeAccumulators in class org.apache.beam.sdk.transforms.Combine.CombineFn<InputT,AccumT,OutputT>