io.prestosql.metadata

Class Signature

java.lang.Object

io.prestosql.metadata.Signature

public final class Signature
extends Object

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
static SignatureBuilder	builder()
static TypeVariableConstraint	comparableTypeParameter(String name)
static TypeVariableConstraint	comparableWithVariadicBound(String name, String variadicBound)
boolean	equals(Object obj)
List<TypeSignature>	getArgumentTypes()
FunctionKind	getKind()
List<LongVariableConstraint>	getLongVariableConstraints()
String	getName()
TypeSignature	getReturnType()
List<TypeVariableConstraint>	getTypeVariableConstraints()
int	hashCode()
static Signature	internalOperator(OperatorType operator, Type returnType, List<? extends Type> argumentTypes)
static Signature	internalOperator(OperatorType operator, TypeSignature returnType, List<TypeSignature> argumentTypes)
static Signature	internalOperator(OperatorType operator, TypeSignature returnType, TypeSignature... argumentTypes)
static Signature	internalOperator(String name, TypeSignature returnType, List<TypeSignature> argumentTypes)
static Signature	internalOperator(String name, TypeSignature returnType, TypeSignature... argumentTypes)
static Signature	internalScalarFunction(String name, TypeSignature returnType, List<TypeSignature> argumentTypes)
static Signature	internalScalarFunction(String name, TypeSignature returnType, TypeSignature... argumentTypes)
boolean	isVariableArity()
static LongVariableConstraint	longVariableExpression(String variable, String expression)
static TypeVariableConstraint	orderableTypeParameter(String name)
static TypeVariableConstraint	orderableWithVariadicBound(String name, String variadicBound)
String	toString()
static TypeVariableConstraint	typeVariable(String name)
Signature	withAlias(String name)
static TypeVariableConstraint	withVariadicBound(String name, String variadicBound)

Methods inherited from class java.lang.Object

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

Constructor Detail

Signature

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

Signature

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

Signature

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

Method Detail

internalOperator

public static Signature internalOperator(OperatorType operator,
                                         Type returnType,
                                         List<? extends Type> argumentTypes)

internalOperator

public static Signature internalOperator(OperatorType operator,
                                         TypeSignature returnType,
                                         TypeSignature... argumentTypes)

internalOperator

public static Signature internalOperator(OperatorType operator,
                                         TypeSignature returnType,
                                         List<TypeSignature> argumentTypes)

internalOperator

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

internalOperator

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

internalScalarFunction

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

internalScalarFunction

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

withAlias

public Signature withAlias(String name)

getName

public String getName()

getKind

public FunctionKind getKind()

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)

longVariableExpression

public static LongVariableConstraint longVariableExpression(String variable,
                                                            String expression)

builder

public static SignatureBuilder builder()