org.apache.beam.sdk.transforms

Class AggregatorRetriever

java.lang.Object

org.apache.beam.sdk.transforms.AggregatorRetriever

public final class AggregatorRetriever
extends Object

An internal class for extracting Aggregators from DoFns.

Method Summary

Modifier and Type	Method and Description
static Collection<Aggregator<?,?>>	getAggregators(DoFn<?,?> fn) Returns the Aggregators created by the provided DoFn.

Methods inherited from class java.lang.Object

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

Method Detail

getAggregators

public static Collection<Aggregator<?,?>> getAggregators(DoFn<?,?> fn)

Returns the Aggregators created by the provided DoFn.