Package org.apache.beam.runners.dataflow

Class CreateDataflowView<ElemT,​ViewT>

  • All Implemented Interfaces:
    java.io.Serializable, org.apache.beam.sdk.transforms.display.HasDisplayData
    public class CreateDataflowView<ElemT,​ViewT>
extends org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<ElemT>,​org.apache.beam.sdk.values.PCollection<ElemT>>
    A DataflowRunner marker class for creating a PCollectionView.
    See Also:
    Serialized Form

    • Field Summary

      • Fields inherited from class org.apache.beam.sdk.transforms.PTransform

        annotations, displayData, name, resourceHints

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      org.apache.beam.sdk.values.PCollection<ElemT> expand​(org.apache.beam.sdk.values.PCollection<ElemT> input)  
      static <ElemT,​ViewT>
      CreateDataflowView<ElemT,​ViewT>      		 forBatch​(org.apache.beam.sdk.values.PCollectionView<ViewT> view)  
      static <ElemT,​ViewT>
      CreateDataflowView<ElemT,​ViewT>      		 forStreaming​(org.apache.beam.sdk.values.PCollectionView<ViewT> view)  
      org.apache.beam.sdk.values.PCollectionView<ViewT> getView()  

      • Methods inherited from class org.apache.beam.sdk.transforms.PTransform

        addAnnotation, compose, compose, getAdditionalInputs, getAnnotations, getDefaultOutputCoder, getDefaultOutputCoder, getDefaultOutputCoder, getKindString, getName, getResourceHints, populateDisplayData, setDisplayData, setResourceHints, toString, validate, validate

      • Methods inherited from class java.lang.Object

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

    • Method Detail

      • forBatch

        public static <ElemT,​ViewT> CreateDataflowView<ElemT,​ViewT> forBatch​(org.apache.beam.sdk.values.PCollectionView<ViewT> view)

      • forStreaming

        public static <ElemT,​ViewT> CreateDataflowView<ElemT,​ViewT> forStreaming​(org.apache.beam.sdk.values.PCollectionView<ViewT> view)

      • expand

        public org.apache.beam.sdk.values.PCollection<ElemT> expand​(org.apache.beam.sdk.values.PCollection<ElemT> input)
        Specified by:
        expand in class org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<ElemT>,​org.apache.beam.sdk.values.PCollection<ElemT>>

      • getView

        public org.apache.beam.sdk.values.PCollectionView<ViewT> getView()