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

Class UdafImpl<InputT,​AccumT,​OutputT>

  • All Implemented Interfaces:
    java.io.Serializable, org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.schema.AggregateFunction, org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.schema.Function, org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.schema.ImplementableAggFunction
    @Internal
public class UdafImpl<InputT,​AccumT,​OutputT>
extends java.lang.Object
implements org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.schema.AggregateFunction, org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.schema.ImplementableAggFunction, java.io.Serializable
    Implement AggregateFunction to take a Combine.CombineFn as UDAF.
    See Also:
    Serialized Form

    • Constructor Summary

      Constructors 
      Constructor Description
      UdafImpl​(org.apache.beam.sdk.transforms.Combine.CombineFn<InputT,​AccumT,​OutputT> combineFn)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      org.apache.beam.sdk.transforms.Combine.CombineFn<InputT,​AccumT,​OutputT> getCombineFn()  
      org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.adapter.enumerable.AggImplementor getImplementor​(boolean windowContext)  
      protected java.lang.reflect.Type getInputType()  
      protected java.lang.reflect.Type getOutputType()  
      java.util.List<org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.schema.FunctionParameter> getParameters()  
      org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.rel.type.RelDataType getReturnType​(org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.rel.type.RelDataTypeFactory typeFactory)  

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • UdafImpl

        public UdafImpl​(org.apache.beam.sdk.transforms.Combine.CombineFn<InputT,​AccumT,​OutputT> combineFn)

    • Method Detail

      • getCombineFn

        public org.apache.beam.sdk.transforms.Combine.CombineFn<InputT,​AccumT,​OutputT> getCombineFn()

      • getParameters

        public java.util.List<org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.schema.FunctionParameter> getParameters()
        Specified by:
        getParameters in interface org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.schema.Function

      • getImplementor

        public org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.adapter.enumerable.AggImplementor getImplementor​(boolean windowContext)
        Specified by:
        getImplementor in interface org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.schema.ImplementableAggFunction

      • getReturnType

        public org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.rel.type.RelDataType getReturnType​(org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.rel.type.RelDataTypeFactory typeFactory)
        Specified by:
        getReturnType in interface org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.schema.AggregateFunction

      • getInputType

        protected java.lang.reflect.Type getInputType()

      • getOutputType

        protected java.lang.reflect.Type getOutputType()