UdfImplReflectiveFunctionBase (sql 2.74.0 API)

java.lang.Object
- org.apache.beam.sdk.extensions.sql.impl.UdfImplReflectiveFunctionBase

All Implemented Interfaces:

org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.schema.Function

Direct Known Subclasses:

ScalarFunctionImpl
```
public abstract class UdfImplReflectiveFunctionBase
extends java.lang.Object
implements org.apache.beam.vendor.calcite.v1_40_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
`java.lang.reflect.Method`	`method`	Method that implements the function.
`java.util.List<org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.schema.FunctionParameter>`	`parameters`	Types of parameter for the function call.

Constructor Summary

Constructors
Constructor Description

UdfImplReflectiveFunctionBase(java.lang.reflect.Method method)
UdfImplReflectiveFunctionBase constructor.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static UdfImplReflectiveFunctionBase.ParameterListBuilder`	`builder()`	Creates a ParameterListBuilder.
`java.util.List<org.apache.beam.vendor.calcite.v1_40_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 Detail
  - method
```
public final java.lang.reflect.Method method
```
    Method that implements the function.
  - parameters
```
public final java.util.List<org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.schema.FunctionParameter> parameters
```
    Types of parameter for the function call.
- Constructor Detail
  - UdfImplReflectiveFunctionBase
```
public UdfImplReflectiveFunctionBase(java.lang.reflect.Method method)
```
    UdfImplReflectiveFunctionBase constructor.
    
    Parameters:
    
    method - method that is used to get type information from
- Method Detail
  - getParameters
```
public java.util.List<org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.schema.FunctionParameter> getParameters()
```
    Returns the parameters of this function.
    
    Specified by:
    
    getParameters in interface org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.schema.Function
    
    Returns:
    
    Parameters; never null
  - builder
```
public static UdfImplReflectiveFunctionBase.ParameterListBuilder builder()
```
    Creates a ParameterListBuilder.