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

Class UdfImplReflectiveFunctionBase

java.lang.Object

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

All Implemented Interfaces:

org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.schema.Function

Direct Known Subclasses:

ScalarFunctionImpl

public abstract class UdfImplReflectiveFunctionBase
extends Object
implements org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.schema.Function

Beam-customized version from ReflectiveFunctionBase, to address BEAM-5921.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	UdfImplReflectiveFunctionBase.ParameterListBuilder	Helps build lists of FunctionParameter.

Field Summary

Fields

Modifier and Type	Field	Description
final Method	method	Method that implements the function.
final List<org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.schema.FunctionParameter>	parameters	Types of parameter for the function call.

Constructor Summary

Constructors

Constructor	Description
UdfImplReflectiveFunctionBase(Method method)	UdfImplReflectiveFunctionBase constructor.

Method Summary

Modifier and Type	Method	Description
static UdfImplReflectiveFunctionBase.ParameterListBuilder	builder()	Creates a ParameterListBuilder.
List<org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.schema.FunctionParameter>	getParameters()	Returns the parameters of this function.

Methods inherited from class java.lang.Object

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

Field Details

method

public final Method method

Method that implements the function.

parameters

public final List<org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.schema.FunctionParameter> parameters

Types of parameter for the function call.

Constructor Details

UdfImplReflectiveFunctionBase

public UdfImplReflectiveFunctionBase(Method method)

UdfImplReflectiveFunctionBase constructor.

Parameters:

method - method that is used to get type information from

Method Details

getParameters

public List<org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.schema.FunctionParameter> getParameters()

Returns the parameters of this function.

Specified by:

getParameters in interface org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.schema.Function

Returns:

Parameters; never null

builder

public static UdfImplReflectiveFunctionBase.ParameterListBuilder builder()

Creates a ParameterListBuilder.