Package org.apache.flink.table.types.inference

Class Signature

java.lang.Object

org.apache.flink.table.types.inference.Signature

@PublicEvolving
public final class Signature
extends Object

Describes the signature of a function. It is meant for representing information for debugging purposes.

A signature is returned from InputTypeStrategy.getExpectedSignatures(FunctionDefinition).

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	Signature.Argument	Representation of a single argument in a signature.

Method Summary

Modifier and Type	Method	Description
List<Signature.Argument>	getArguments()
static Signature	of(List<Signature.Argument> arguments)	Creates an immutable instance of Signature.
static Signature	of(Signature.Argument... arguments)	Creates an immutable instance of Signature.

Methods inherited from class java.lang.Object

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

Method Details

of

public static Signature of(Signature.Argument... arguments)

Creates an immutable instance of Signature.

of

public static Signature of(List<Signature.Argument> arguments)

Creates an immutable instance of Signature.

getArguments

public List<Signature.Argument> getArguments()