Package io.deephaven.tuple

Enum Class EmptyTuple

java.lang.Object

java.lang.Enum<EmptyTuple>

io.deephaven.tuple.EmptyTuple

All Implemented Interfaces:

CanonicalizableTuple<EmptyTuple>, Serializable, Comparable<EmptyTuple>, java.lang.constant.Constable

public enum EmptyTuple
extends Enum<EmptyTuple>
implements Comparable<EmptyTuple>, Serializable, CanonicalizableTuple<EmptyTuple>

0-Tuple key class.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
INSTANCE

Method Summary

Modifier and Type	Method	Description
EmptyTuple	canonicalize(@NotNull UnaryOperator<Object> canonicalizer)	Canonicalize this tuple.
String	toString()
static EmptyTuple	valueOf(String name)	Returns the enum constant of this class with the specified name.
static EmptyTuple[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.Comparable

compareTo

Enum Constant Details

INSTANCE

public static final EmptyTuple INSTANCE

Method Details

values

public static EmptyTuple[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

an array containing the constants of this enum class, in the order they are declared

valueOf

public static EmptyTuple valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum class has no constant with the specified name

NullPointerException - if the argument is null

toString

public String toString()

Overrides:

toString in class Enum<EmptyTuple>

canonicalize

public EmptyTuple canonicalize(@NotNull
 @NotNull UnaryOperator<Object> canonicalizer)

Description copied from interface: CanonicalizableTuple

Canonicalize this tuple.

Specified by:

canonicalize in interface CanonicalizableTuple<EmptyTuple>

Parameters:

canonicalizer - The canonicalization operator to use on each object element.

Returns:

This tuple if already canonical, else a new, canonical tuple of the same type