PDone (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. 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.values

Class PDone

• java.lang.Object
• • com.google.cloud.dataflow.sdk.values.POutputValueBase
  • • com.google.cloud.dataflow.sdk.values.PDone

• All Implemented Interfaces:

  POutput

  ---

  
  

  public class PDone
  extends POutputValueBase

  PDone is the output of a PTransform that has a trivial result, such as a Write.

• • Method Summary

    All Methods Static Methods Instance Methods Concrete Methods 

    Modifier and Type	Method and Description
    Collection<? extends PValue>	expand() Expands this POutput into a list of its component output PValues.
    static PDone	in(Pipeline pipeline) Creates a PDone in the given Pipeline.

    • Methods inherited from class com.google.cloud.dataflow.sdk.values.POutputValueBase

      finishSpecifyingOutput, getPipeline, getProducingTransformInternal, recordAsOutput

    • Methods inherited from class java.lang.Object

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

• • Method Detail

    • in

      public static PDone in(Pipeline pipeline)

      Creates a PDone in the given Pipeline.

    • expand

      public Collection<? extends PValue> expand()

      Description copied from interface: POutput
      Expands this POutput into a list of its component output PValues.

      • A PValue expands to itself.
      • A tuple or list of PValues (such as PCollectionTuple or PCollectionList) expands to its component PValue PValues.

      Not intended to be invoked directly by user code.