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

Class CountIf.CountIfFn

java.lang.Object

org.apache.beam.sdk.transforms.Combine.CombineFn<java.lang.Boolean,long[],java.lang.Long>

org.apache.beam.sdk.extensions.sql.impl.transform.agg.CountIf.CountIfFn

All Implemented Interfaces:

java.io.Serializable, org.apache.beam.sdk.transforms.CombineFnBase.GlobalCombineFn<java.lang.Boolean,long[],java.lang.Long>, org.apache.beam.sdk.transforms.display.HasDisplayData

Enclosing class:

CountIf

public static class CountIf.CountIfFn
extends org.apache.beam.sdk.transforms.Combine.CombineFn<java.lang.Boolean,long[],java.lang.Long>

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
CountIfFn()

Method Summary

Modifier and Type	Method and Description
long[]	addInput(long[] accumulator, java.lang.Boolean input)
long[]	createAccumulator()
java.lang.Long	extractOutput(long[] accumulator)
org.apache.beam.sdk.coders.Coder<long[]>	getAccumulatorCoder(org.apache.beam.sdk.coders.CoderRegistry registry, org.apache.beam.sdk.coders.Coder<java.lang.Boolean> inputCoder)
long[]	mergeAccumulators(java.lang.Iterable<long[]> accumulators)

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

apply, compact, defaultValue, getInputType, getOutputType

Methods inherited from class java.lang.Object

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

Constructor Detail

CountIfFn

public CountIfFn()

Method Detail

createAccumulator

public long[] createAccumulator()

Specified by:

createAccumulator in class org.apache.beam.sdk.transforms.Combine.CombineFn<java.lang.Boolean,long[],java.lang.Long>

addInput

public long[] addInput(long[] accumulator,
                       java.lang.Boolean input)

Specified by:

addInput in class org.apache.beam.sdk.transforms.Combine.CombineFn<java.lang.Boolean,long[],java.lang.Long>

mergeAccumulators

public long[] mergeAccumulators(java.lang.Iterable<long[]> accumulators)

Specified by:

mergeAccumulators in class org.apache.beam.sdk.transforms.Combine.CombineFn<java.lang.Boolean,long[],java.lang.Long>

extractOutput

public java.lang.Long extractOutput(long[] accumulator)

Specified by:

extractOutput in class org.apache.beam.sdk.transforms.Combine.CombineFn<java.lang.Boolean,long[],java.lang.Long>

getAccumulatorCoder

public org.apache.beam.sdk.coders.Coder<long[]> getAccumulatorCoder(org.apache.beam.sdk.coders.CoderRegistry registry,
                                                                    org.apache.beam.sdk.coders.Coder<java.lang.Boolean> inputCoder)
                                                             throws org.apache.beam.sdk.coders.CannotProvideCoderException

Specified by:

getAccumulatorCoder in interface org.apache.beam.sdk.transforms.CombineFnBase.GlobalCombineFn<java.lang.Boolean,long[],java.lang.Long>

Throws:

org.apache.beam.sdk.coders.CannotProvideCoderException