Package org.apache.beam.runners.dataflow

Class BatchStatefulParDoOverrides.BatchStatefulDoFn<K,​V,​OutputT>

  • All Implemented Interfaces:
    java.io.Serializable, org.apache.beam.sdk.transforms.display.HasDisplayData
    Enclosing class:
    BatchStatefulParDoOverrides
    public static class BatchStatefulParDoOverrides.BatchStatefulDoFn<K,​V,​OutputT>
extends org.apache.beam.sdk.transforms.DoFn<org.apache.beam.sdk.values.KV<K,​java.lang.Iterable<org.apache.beam.sdk.values.KV<org.joda.time.Instant,​org.apache.beam.sdk.values.WindowedValue<org.apache.beam.sdk.values.KV<K,​V>>>>>,​OutputT>
    A key-preserving DoFn that explodes an iterable that has been grouped by key and window.
    See Also:
    Serialized Form

    • Nested Class Summary

      • Nested classes/interfaces inherited from class org.apache.beam.sdk.transforms.DoFn

        org.apache.beam.sdk.transforms.DoFn.AlwaysFetched, org.apache.beam.sdk.transforms.DoFn.BoundedPerElement, org.apache.beam.sdk.transforms.DoFn.BundleFinalizer, org.apache.beam.sdk.transforms.DoFn.Element, org.apache.beam.sdk.transforms.DoFn.FieldAccess, org.apache.beam.sdk.transforms.DoFn.FinishBundle, org.apache.beam.sdk.transforms.DoFn.FinishBundleContext, org.apache.beam.sdk.transforms.DoFn.GetInitialRestriction, org.apache.beam.sdk.transforms.DoFn.GetInitialWatermarkEstimatorState, org.apache.beam.sdk.transforms.DoFn.GetRestrictionCoder, org.apache.beam.sdk.transforms.DoFn.GetSize, org.apache.beam.sdk.transforms.DoFn.GetWatermarkEstimatorStateCoder, org.apache.beam.sdk.transforms.DoFn.Key, org.apache.beam.sdk.transforms.DoFn.MultiOutputReceiver, org.apache.beam.sdk.transforms.DoFn.NewTracker, org.apache.beam.sdk.transforms.DoFn.NewWatermarkEstimator, org.apache.beam.sdk.transforms.DoFn.OnTimer, org.apache.beam.sdk.transforms.DoFn.OnTimerContext, org.apache.beam.sdk.transforms.DoFn.OnTimerFamily, org.apache.beam.sdk.transforms.DoFn.OnWindowExpiration, org.apache.beam.sdk.transforms.DoFn.OnWindowExpirationContext, org.apache.beam.sdk.transforms.DoFn.OutputReceiver<T extends java.lang.Object>, org.apache.beam.sdk.transforms.DoFn.ProcessContext, org.apache.beam.sdk.transforms.DoFn.ProcessContinuation, org.apache.beam.sdk.transforms.DoFn.ProcessElement, org.apache.beam.sdk.transforms.DoFn.RequiresStableInput, org.apache.beam.sdk.transforms.DoFn.RequiresTimeSortedInput, org.apache.beam.sdk.transforms.DoFn.Restriction, org.apache.beam.sdk.transforms.DoFn.Setup, org.apache.beam.sdk.transforms.DoFn.SideInput, org.apache.beam.sdk.transforms.DoFn.SplitRestriction, org.apache.beam.sdk.transforms.DoFn.StartBundle, org.apache.beam.sdk.transforms.DoFn.StartBundleContext, org.apache.beam.sdk.transforms.DoFn.StateId, org.apache.beam.sdk.transforms.DoFn.Teardown, org.apache.beam.sdk.transforms.DoFn.TimerFamily, org.apache.beam.sdk.transforms.DoFn.TimerId, org.apache.beam.sdk.transforms.DoFn.Timestamp, org.apache.beam.sdk.transforms.DoFn.TruncateRestriction, org.apache.beam.sdk.transforms.DoFn.UnboundedPerElement, org.apache.beam.sdk.transforms.DoFn.WatermarkEstimatorState, org.apache.beam.sdk.transforms.DoFn.WindowedContext

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      org.apache.beam.sdk.values.TypeDescriptor<OutputT> getOutputTypeDescriptor()  
      org.apache.beam.sdk.transforms.DoFn<org.apache.beam.sdk.values.KV<K,​V>,​OutputT> getUnderlyingDoFn()  
      void processElement​(org.apache.beam.sdk.transforms.DoFn.ProcessContext c, org.apache.beam.sdk.transforms.windowing.BoundedWindow window)  
      void setup​(org.apache.beam.sdk.options.PipelineOptions options)  
      void teardown()  

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

        getAllowedTimestampSkew, getInputTypeDescriptor, populateDisplayData, prepareForProcessing

      • Methods inherited from class java.lang.Object

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

    • Method Detail

      • getUnderlyingDoFn

        public org.apache.beam.sdk.transforms.DoFn<org.apache.beam.sdk.values.KV<K,​V>,​OutputT> getUnderlyingDoFn()

      • setup

        @Setup
public void setup​(org.apache.beam.sdk.options.PipelineOptions options)

      • processElement

        @ProcessElement
public void processElement​(org.apache.beam.sdk.transforms.DoFn.ProcessContext c,
                           org.apache.beam.sdk.transforms.windowing.BoundedWindow window)

      • teardown

        @Teardown
public void teardown()

      • getOutputTypeDescriptor

        public org.apache.beam.sdk.values.TypeDescriptor<OutputT> getOutputTypeDescriptor()
        Overrides:
        getOutputTypeDescriptor in class org.apache.beam.sdk.transforms.DoFn<org.apache.beam.sdk.values.KV<K,​java.lang.Iterable<org.apache.beam.sdk.values.KV<org.joda.time.Instant,​org.apache.beam.sdk.values.WindowedValue<org.apache.beam.sdk.values.KV<K,​V>>>>>,​OutputT>