kotlin-spark-api_3.0.0_2.12/org.jetbrains.kotlinx.spark.api/UserDefinedFunction

UserDefinedFunction

interface UserDefinedFunction<Return, NamedUdf>

Typed wrapper around SparkUserDefinedFunction with defined encoder.

Parameters

Return

the return type of the udf

NamedUdf

a type reference to the named version of the SparkUserDefinedFunction implementing class

Functions

getValue

abstract operator fun getValue(thisRef: Any?, property: KProperty<*>): NamedUdf

Converts this UserDefinedFunction to a NamedUserDefinedFunction.

withName

abstract fun withName(name: String): NamedUdf

Converts this UserDefinedFunction to a NamedUserDefinedFunction.

Properties

deterministic

open val deterministic: Boolean

Returns true iff the UDF is deterministic, i.e. the UDF produces the same output given the same input.

encoder

abstract val encoder: <Error class: unknown class><Return>

nullable

open val nullable: Boolean

Returns true when the UDF can return a nullable value.

udf

abstract val udf: <Error class: unknown class>

Inheritors

NamedUserDefinedFunction

UserDefinedFunctionVararg

UserDefinedFunction10

UserDefinedFunction11

UserDefinedFunction12

UserDefinedFunction13

UserDefinedFunction14

UserDefinedFunction15

UserDefinedFunction16

UserDefinedFunction17

UserDefinedFunction18

UserDefinedFunction19

UserDefinedFunction20

UserDefinedFunction21

UserDefinedFunction22