org.apache.beam.runners.dataflow

Class CreateDataflowView<ElemT,ViewT>

java.lang.Object

org.apache.beam.sdk.transforms.PTransform<org.apache.beam.sdk.values.PCollection<ElemT>,org.apache.beam.sdk.values.PCollection<ElemT>>

org.apache.beam.runners.dataflow.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

name

Method Summary

Modifier and Type	Method and 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

compose, compose, getAdditionalInputs, getDefaultOutputCoder, getDefaultOutputCoder, getDefaultOutputCoder, getKindString, getName, populateDisplayData, toString, 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()