Package org.apache.beam.sdk.extensions.sql.impl.transform

Class BeamBuiltinAnalyticFunctions.PositionAwareCombineFn<InputT,​AccumT,​OutputT>

  • All Implemented Interfaces:
    java.io.Serializable, org.apache.beam.sdk.transforms.CombineFnBase.GlobalCombineFn<InputT,​AccumT,​OutputT>, org.apache.beam.sdk.transforms.display.HasDisplayData
    Enclosing class:
    BeamBuiltinAnalyticFunctions
    public abstract static class BeamBuiltinAnalyticFunctions.PositionAwareCombineFn<InputT,​AccumT,​OutputT>
extends org.apache.beam.sdk.transforms.Combine.CombineFn<InputT,​AccumT,​OutputT>
    See Also:
    Serialized Form

    • Method Summary

      All Methods Instance Methods Abstract Methods Concrete Methods 
      Modifier and Type Method Description
      AccumT addInput​(AccumT mutableAccumulator, InputT input)  
      abstract AccumT addInput​(AccumT accumulator, InputT input, java.lang.Long cursorWindow, java.lang.Long cursorPartition, java.lang.Long countPartition)  
      java.lang.reflect.TypeVariable<?> getAccumTVariable()  
      org.apache.beam.sdk.coders.Coder<AccumT> getAccumulatorCoder​(org.apache.beam.sdk.coders.CoderRegistry arg0, org.apache.beam.sdk.coders.Coder<@UnknownKeyFor @NonNull @Initialized InputT> arg1)  
      org.apache.beam.sdk.coders.Coder<OutputT> getDefaultOutputCoder​(org.apache.beam.sdk.coders.CoderRegistry arg0, org.apache.beam.sdk.coders.Coder<@UnknownKeyFor @NonNull @Initialized InputT> arg1)  
      java.lang.String getIncompatibleGlobalWindowErrorMessage()  
      java.lang.reflect.TypeVariable<?> getInputTVariable()  
      java.lang.reflect.TypeVariable<?> getOutputTVariable()  
      AccumT mergeAccumulators​(java.lang.Iterable<AccumT> accumulators)  
      void populateDisplayData​(org.apache.beam.sdk.transforms.display.DisplayData.Builder arg0)  

      • Methods inherited from class org.apache.beam.sdk.transforms.Combine.CombineFn

        apply, compact, createAccumulator, defaultValue, extractOutput, getInputType, getOutputType

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • PositionAwareCombineFn

        public PositionAwareCombineFn()

    • Method Detail

      • addInput

        public abstract AccumT addInput​(AccumT accumulator,
                                InputT input,
                                java.lang.Long cursorWindow,
                                java.lang.Long cursorPartition,
                                java.lang.Long countPartition)

      • addInput

        public AccumT addInput​(AccumT mutableAccumulator,
                       InputT input)
        Specified by:
        addInput in class org.apache.beam.sdk.transforms.Combine.CombineFn<InputT,​AccumT,​OutputT>

      • mergeAccumulators

        public AccumT mergeAccumulators​(java.lang.Iterable<AccumT> accumulators)
        Specified by:
        mergeAccumulators in class org.apache.beam.sdk.transforms.Combine.CombineFn<InputT,​AccumT,​OutputT>

      • getAccumulatorCoder

        public org.apache.beam.sdk.coders.Coder<AccumT> getAccumulatorCoder​(org.apache.beam.sdk.coders.CoderRegistry arg0,
                                                                    org.apache.beam.sdk.coders.Coder<@UnknownKeyFor @NonNull @Initialized InputT> arg1)
                                                             throws org.apache.beam.sdk.coders.CannotProvideCoderException
        Specified by:
        getAccumulatorCoder in interface org.apache.beam.sdk.transforms.CombineFnBase.GlobalCombineFn<InputT extends java.lang.Object,​AccumT extends java.lang.Object,​OutputT extends java.lang.Object>
        Throws:
        org.apache.beam.sdk.coders.CannotProvideCoderException

      • getDefaultOutputCoder

        public org.apache.beam.sdk.coders.Coder<OutputT> getDefaultOutputCoder​(org.apache.beam.sdk.coders.CoderRegistry arg0,
                                                                       org.apache.beam.sdk.coders.Coder<@UnknownKeyFor @NonNull @Initialized InputT> arg1)
                                                                throws org.apache.beam.sdk.coders.CannotProvideCoderException
        Specified by:
        getDefaultOutputCoder in interface org.apache.beam.sdk.transforms.CombineFnBase.GlobalCombineFn<InputT extends java.lang.Object,​AccumT extends java.lang.Object,​OutputT extends java.lang.Object>
        Throws:
        org.apache.beam.sdk.coders.CannotProvideCoderException

      • getIncompatibleGlobalWindowErrorMessage

        public java.lang.String getIncompatibleGlobalWindowErrorMessage()
        Specified by:
        getIncompatibleGlobalWindowErrorMessage in interface org.apache.beam.sdk.transforms.CombineFnBase.GlobalCombineFn<InputT extends java.lang.Object,​AccumT extends java.lang.Object,​OutputT extends java.lang.Object>

      • getInputTVariable

        public java.lang.reflect.TypeVariable<?> getInputTVariable()

      • getAccumTVariable

        public java.lang.reflect.TypeVariable<?> getAccumTVariable()

      • getOutputTVariable

        public java.lang.reflect.TypeVariable<?> getOutputTVariable()

      • populateDisplayData

        public void populateDisplayData​(org.apache.beam.sdk.transforms.display.DisplayData.Builder arg0)
        Specified by:
        populateDisplayData in interface org.apache.beam.sdk.transforms.display.HasDisplayData