CombineWithContext (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, Dataflow will not run jobs using Dataflow 1.x and below. See Migrating from Dataflow SDK 1.x for Java for migration guidance.

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 CombineWithContext

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

• ---

  
  

  public class CombineWithContext
  extends Object

  This class contains combine functions that have access to PipelineOptions and side inputs through CombineWithContext.Context.

  CombineWithContext.CombineFnWithContext and CombineWithContext.KeyedCombineFnWithContext are for users to extend.

• • Nested Class Summary

    Nested Classes 

    Modifier and Type	Class and Description
    static class	CombineWithContext.CombineFnWithContext<InputT,AccumT,OutputT> A combine function that has access to PipelineOptions and side inputs through CombineWithContext.Context.
    static class	CombineWithContext.Context Information accessible to all methods in CombineFnWithContext and KeyedCombineFnWithContext.
    static class	CombineWithContext.KeyedCombineFnWithContext<K,InputT,AccumT,OutputT> A keyed combine function that has access to PipelineOptions and side inputs through CombineWithContext.Context.
    static interface	CombineWithContext.RequiresContextInternal An internal interface for signaling that a GloballyCombineFn or a PerKeyCombineFn needs to access CombineWithContext.Context.

  • Constructor Summary

    Constructors 

    Constructor and Description
    CombineWithContext()

  • Method Summary

    • Methods inherited from class java.lang.Object

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

• • Constructor Detail

    • CombineWithContext

      public CombineWithContext()