Package io.trino.metadata

Class Signature

java.lang.Object

io.trino.metadata.Signature

public class Signature
extends Object

Constructor Summary

Constructors

Constructor	Description
Signature(String name, TypeSignature returnType, TypeSignature... argumentTypes)
Signature(String name, TypeSignature returnType, List<TypeSignature> argumentTypes)
Signature(String name, List<TypeVariableConstraint> typeVariableConstraints, List<LongVariableConstraint> longVariableConstraints, TypeSignature returnType, List<TypeSignature> argumentTypes, boolean variableArity)

Method Summary

Modifier and Type	Method	Description
static SignatureBuilder	builder()
static TypeVariableConstraint	castableFromTypeParameter(String name, TypeSignature... toType)
static TypeVariableConstraint	castableFromTypeParameter(String name, Set<TypeSignature> toType)
static TypeVariableConstraint	castableToTypeParameter(String name, TypeSignature... toType)
static TypeVariableConstraint	castableToTypeParameter(String name, Set<TypeSignature> toType)
static TypeVariableConstraint	comparableTypeParameter(String name)
static TypeVariableConstraint	comparableWithVariadicBound(String name, String variadicBound)
boolean	equals(Object obj)
List<TypeSignature>	getArgumentTypes()
List<LongVariableConstraint>	getLongVariableConstraints()
String	getName()
TypeSignature	getReturnType()
List<TypeVariableConstraint>	getTypeVariableConstraints()
int	hashCode()
static boolean	isOperatorName(String mangledName)
boolean	isVariableArity()
static LongVariableConstraint	longVariableExpression(String variable, String expression)
static String	mangleOperatorName(OperatorType operatorType)
static TypeVariableConstraint	orderableTypeParameter(String name)
static TypeVariableConstraint	orderableWithVariadicBound(String name, String variadicBound)
String	toString()
static TypeVariableConstraint	typeVariable(String name)
static OperatorType	unmangleOperator(String mangledName)
static TypeVariableConstraint	withVariadicBound(String name, String variadicBound)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

Signature

public Signature(String name,
 List<TypeVariableConstraint> typeVariableConstraints,
 List<LongVariableConstraint> longVariableConstraints,
 TypeSignature returnType,
 List<TypeSignature> argumentTypes,
 boolean variableArity)

Signature

public Signature(String name,
 TypeSignature returnType,
 TypeSignature... argumentTypes)

Signature

public Signature(String name,
 TypeSignature returnType,
 List<TypeSignature> argumentTypes)

Method Details

isOperatorName

public static boolean isOperatorName(String mangledName)

mangleOperatorName

public static String mangleOperatorName(OperatorType operatorType)

unmangleOperator

public static OperatorType unmangleOperator(String mangledName)

getName

public String getName()

getReturnType

public TypeSignature getReturnType()

getArgumentTypes

public List<TypeSignature> getArgumentTypes()

isVariableArity

public boolean isVariableArity()

getTypeVariableConstraints

public List<TypeVariableConstraint> getTypeVariableConstraints()

getLongVariableConstraints

public List<LongVariableConstraint> getLongVariableConstraints()

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

withVariadicBound

public static TypeVariableConstraint withVariadicBound(String name,
 String variadicBound)

comparableWithVariadicBound

public static TypeVariableConstraint comparableWithVariadicBound(String name,
 String variadicBound)

typeVariable

public static TypeVariableConstraint typeVariable(String name)

comparableTypeParameter

public static TypeVariableConstraint comparableTypeParameter(String name)

orderableWithVariadicBound

public static TypeVariableConstraint orderableWithVariadicBound(String name,
 String variadicBound)

orderableTypeParameter

public static TypeVariableConstraint orderableTypeParameter(String name)

castableToTypeParameter

public static TypeVariableConstraint castableToTypeParameter(String name,
 TypeSignature... toType)

castableToTypeParameter

public static TypeVariableConstraint castableToTypeParameter(String name,
 Set<TypeSignature> toType)

castableFromTypeParameter

public static TypeVariableConstraint castableFromTypeParameter(String name,
 TypeSignature... toType)

castableFromTypeParameter

public static TypeVariableConstraint castableFromTypeParameter(String name,
 Set<TypeSignature> toType)

longVariableExpression

public static LongVariableConstraint longVariableExpression(String variable,
 String expression)

builder

public static SignatureBuilder builder()