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

Class StringAgg.StringAggByte

  • All Implemented Interfaces:
    java.io.Serializable, org.apache.beam.sdk.transforms.CombineFnBase.GlobalCombineFn<byte[],​java.lang.String,​byte[]>, org.apache.beam.sdk.transforms.display.HasDisplayData
    Enclosing class:
    StringAgg
    public static class StringAgg.StringAggByte
extends org.apache.beam.sdk.transforms.Combine.CombineFn<byte[],​java.lang.String,​byte[]>
    A Combine.CombineFn that aggregates bytes with a byte array as delimiter.
    See Also:
    Serialized Form

    • Constructor Summary

      Constructors 
      Constructor Description
      StringAggByte​(byte[] delimiter)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.lang.String addInput​(java.lang.String mutableAccumulator, byte[] input)  
      java.lang.String createAccumulator()  
      byte[] extractOutput​(java.lang.String output)  
      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()  
      java.lang.String mergeAccumulators​(java.lang.Iterable<java.lang.String> accumList)  
      void populateDisplayData​(org.apache.beam.sdk.transforms.display.DisplayData.Builder arg0)  

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

        apply, compact, defaultValue, getInputType, getOutputType

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • StringAggByte

        public StringAggByte​(byte[] delimiter)

    • Method Detail

      • createAccumulator

        public java.lang.String createAccumulator()
        Specified by:
        createAccumulator in class org.apache.beam.sdk.transforms.Combine.CombineFn<byte[],​java.lang.String,​byte[]>

      • addInput

        public java.lang.String addInput​(java.lang.String mutableAccumulator,
                                 byte[] input)
        Specified by:
        addInput in class org.apache.beam.sdk.transforms.Combine.CombineFn<byte[],​java.lang.String,​byte[]>

      • mergeAccumulators

        public java.lang.String mergeAccumulators​(java.lang.Iterable<java.lang.String> accumList)
        Specified by:
        mergeAccumulators in class org.apache.beam.sdk.transforms.Combine.CombineFn<byte[],​java.lang.String,​byte[]>

      • extractOutput

        public byte[] extractOutput​(java.lang.String output)
        Specified by:
        extractOutput in class org.apache.beam.sdk.transforms.Combine.CombineFn<byte[],​java.lang.String,​byte[]>

      • 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