AggregatorRetriever (Google Cloud Dataflow SDK 1.9.1 API)

Google Cloud Dataflow SDK for Java, version 1.9.1

Warning: Dataflow SDK 1.x for Java is unsupported as of October 16, 2018. After August 12, 2020, you can use unsupported SDKs temporarily while you upgrade your pipelines. For more information, see Using an unsupported SDK.

For information on migrating from the 1.x SDK, see Migrating from Dataflow SDK 1.x for Java.

Note: If you are using Cloud Dataflow SDK version 2.x, see the Apache Beam API reference documentation.

com.google.cloud.dataflow.sdk.transforms

Class AggregatorRetriever

• java.lang.Object
• • com.google.cloud.dataflow.sdk.transforms.AggregatorRetriever

• ---

  
  

  public final class AggregatorRetriever
  extends Object

  An internal class for extracting Aggregators from DoFns.

• • Method Summary

    All Methods Static Methods Concrete Methods 

    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.