org.apache.beam.sdk.extensions.zetasketch

Class ApproximateCountDistinct.PerKey<K,V>

java.lang.Object

org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<K,V>>,org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<K,java.lang.Long>>>

org.apache.beam.sdk.extensions.zetasketch.ApproximateCountDistinct.PerKey<K,V>

All Implemented Interfaces:

java.io.Serializable, org.apache.beam.sdk.transforms.display.HasDisplayData

Enclosing class:

ApproximateCountDistinct

public abstract static class ApproximateCountDistinct.PerKey<K,V>
extends org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<K,V>>,org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<K,java.lang.Long>>>

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ApproximateCountDistinct.PerKey.Builder<K,V>

Field Summary

Fields inherited from class org.apache.beam.sdk.transforms.PTransform

name, resourceHints

Constructor Summary

Constructors

Constructor and Description
PerKey()

Method Summary

Modifier and Type	Method and Description
org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<K,java.lang.Long>>	expand(org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<K,V>> input)
abstract org.apache.beam.sdk.transforms.Contextful<org.apache.beam.sdk.transforms.Contextful.Fn<org.apache.beam.sdk.values.KV<K,V>,org.apache.beam.sdk.values.KV<K,java.lang.Long>>>	getMapping()
abstract java.lang.Integer	getPrecision()
void	populateDisplayData(org.apache.beam.sdk.transforms.display.DisplayData.Builder builder)
abstract ApproximateCountDistinct.PerKey.Builder<K,V>	toBuilder()
ApproximateCountDistinct.PerKey<K,V>	via(org.apache.beam.sdk.transforms.ProcessFunction<org.apache.beam.sdk.values.KV<K,V>,org.apache.beam.sdk.values.KV<K,java.lang.Long>> fn)
<K2,V2> ApproximateCountDistinct.PerKey<K2,V2>	withPercision(java.lang.Integer withPercision)

Methods inherited from class org.apache.beam.sdk.transforms.PTransform

compose, compose, getAdditionalInputs, getDefaultOutputCoder, getDefaultOutputCoder, getDefaultOutputCoder, getKindString, getName, getResourceHints, setResourceHints, toString, validate, validate

Methods inherited from class java.lang.Object

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

Constructor Detail

PerKey

public PerKey()

Method Detail

getPrecision

public abstract java.lang.Integer getPrecision()

getMapping

@Nullable
public abstract org.apache.beam.sdk.transforms.Contextful<org.apache.beam.sdk.transforms.Contextful.Fn<org.apache.beam.sdk.values.KV<K,V>,org.apache.beam.sdk.values.KV<K,java.lang.Long>>> getMapping()

toBuilder

public abstract ApproximateCountDistinct.PerKey.Builder<K,V> toBuilder()

withPercision

public <K2,V2> ApproximateCountDistinct.PerKey<K2,V2> withPercision(java.lang.Integer withPercision)

via

public ApproximateCountDistinct.PerKey<K,V> via(org.apache.beam.sdk.transforms.ProcessFunction<org.apache.beam.sdk.values.KV<K,V>,org.apache.beam.sdk.values.KV<K,java.lang.Long>> fn)

expand

public org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<K,java.lang.Long>> expand(org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<K,V>> input)

Specified by:

expand in class org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<K,V>>,org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<K,java.lang.Long>>>

populateDisplayData

public void populateDisplayData(org.apache.beam.sdk.transforms.display.DisplayData.Builder builder)

Specified by:

populateDisplayData in interface org.apache.beam.sdk.transforms.display.HasDisplayData

Overrides:

populateDisplayData in class org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<K,V>>,org.apache.beam.sdk.values.PCollection<org.apache.beam.sdk.values.KV<K,java.lang.Long>>>