DirectPipelineRunner.EvaluationResults (Google Cloud Dataflow SDK 1.9.1 API)

Google Cloud Dataflow SDK for Java, version 1.9.1

Warning: Cloud Dataflow SDK 1.x for Java is unsupported as of October 16, 2018. See Migrating from Cloud 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.runners

Interface DirectPipelineRunner.EvaluationResults

• All Superinterfaces:

  PipelineResult

  All Known Subinterfaces:

  DirectPipelineRunner.EvaluationContext

  Enclosing class:

  DirectPipelineRunner

  ---

  
  

  public static interface DirectPipelineRunner.EvaluationResults
  extends PipelineResult

  The interface provided to registered callbacks for interacting with the DirectPipelineRunner, including reading and writing the values of PCollections and PCollectionViews.

• • Nested Class Summary

    • Nested classes/interfaces inherited from interface com.google.cloud.dataflow.sdk.PipelineResult

      PipelineResult.State

  • Method Summary

    All Methods Instance Methods Abstract Methods 

    Modifier and Type	Method and Description
    <T> List<T>	getPCollection(PCollection<T> pc) Retrieves the value of the given PCollection.
    <T> List<List<T>>	getPCollectionList(PCollectionList<T> pcs) Retrieves the values of each PCollection in the given PCollectionList.
    <T,WindowedT> Iterable<com.google.cloud.dataflow.sdk.util.WindowedValue<?>>	getPCollectionView(PCollectionView<T> view) Retrieves the values indicated by the given PCollectionView.
    <T> List<com.google.cloud.dataflow.sdk.util.WindowedValue<T>>	getPCollectionWindowedValues(PCollection<T> pc) Retrieves the windowed value of the given PCollection.

    • Methods inherited from interface com.google.cloud.dataflow.sdk.PipelineResult

      getAggregatorValues, getState

• • Method Detail

    • getPCollection

      <T> List<T> getPCollection(PCollection<T> pc)

      Retrieves the value of the given PCollection. Throws an exception if the PCollection's value hasn't already been set.

    • getPCollectionWindowedValues

      <T> List<com.google.cloud.dataflow.sdk.util.WindowedValue<T>> getPCollectionWindowedValues(PCollection<T> pc)

      Retrieves the windowed value of the given PCollection. Throws an exception if the PCollection's value hasn't already been set.

    • getPCollectionList

      <T> List<List<T>> getPCollectionList(PCollectionList<T> pcs)

      Retrieves the values of each PCollection in the given PCollectionList. Throws an exception if the PCollectionList's value hasn't already been set.

    • getPCollectionView

      <T,WindowedT> Iterable<com.google.cloud.dataflow.sdk.util.WindowedValue<?>> getPCollectionView(PCollectionView<T> view)

      Retrieves the values indicated by the given PCollectionView. Note that within the DoFn.Context implementation a PCollectionView should convert from this representation to a suitable side input value.