Package com.datastax.oss.driver.api.core.metadata.schema

Class FunctionSignature

java.lang.Object

com.datastax.oss.driver.api.core.metadata.schema.FunctionSignature

All Implemented Interfaces:

Serializable

@Immutable
public class FunctionSignature
extends Object
implements Serializable

The signature that uniquely identifies a CQL function or aggregate in a keyspace.

It's composed of a name and a list of parameter types. Overloads (such as sum(int) and sum(int, int) are not equal.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
FunctionSignature(CqlIdentifier name, DataType... parameterTypes)
FunctionSignature(CqlIdentifier name, Iterable<DataType> parameterTypes)
FunctionSignature(String name, DataType... parameterTypes)	Shortcut for FunctionSignature(CqlIdentifier, DataType...) new FunctionSignature(CqlIdentifier.fromCql(name), parameterTypes)}.
FunctionSignature(String name, Iterable<DataType> parameterTypes)	Shortcut for new FunctionSignature(CqlIdentifier.fromCql(name), parameterTypes).

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object other)
CqlIdentifier	getName()
List<DataType>	getParameterTypes()
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

FunctionSignature

public FunctionSignature(@NonNull
                         CqlIdentifier name,
                         @NonNull
                         Iterable<DataType> parameterTypes)

FunctionSignature

public FunctionSignature(@NonNull
                         CqlIdentifier name,
                         @NonNull
                         DataType... parameterTypes)

Parameters:

parameterTypes - neither the individual types, nor the vararg array itself, can be null.

FunctionSignature

public FunctionSignature(@NonNull
                         String name,
                         @NonNull
                         Iterable<DataType> parameterTypes)

Shortcut for new FunctionSignature(CqlIdentifier.fromCql(name), parameterTypes).

FunctionSignature

public FunctionSignature(@NonNull
                         String name,
                         @NonNull
                         DataType... parameterTypes)

Shortcut for FunctionSignature(CqlIdentifier, DataType...) new FunctionSignature(CqlIdentifier.fromCql(name), parameterTypes)}.

Parameters:

parameterTypes - neither the individual types, nor the vararg array itself, can be null.

Method Detail

getName

@NonNull
public CqlIdentifier getName()

getParameterTypes

@NonNull
public List<DataType> getParameterTypes()

equals

public boolean equals(Object other)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object