Module jakarta.persistence

Package jakarta.persistence.criteria

Enum Class Nulls

java.lang.Object

java.lang.Enum<Nulls>

jakarta.persistence.criteria.Nulls

All Implemented Interfaces:

Serializable, Comparable<Nulls>, Constable

public enum Nulls
extends Enum<Nulls>

Specifies the precedence of null values within query result sets.

Since:

3.2

See Also:

• CriteriaBuilder.asc(Expression, Nulls)
• CriteriaBuilder.desc(Expression, Nulls)

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
FIRST	Null values occur at the beginning of the result set.
LAST	Null values occur at the end of the result set.
NONE	Null precedence not specified.

Method Summary

Modifier and Type	Method	Description
static Nulls	valueOf(String name)	Returns the enum constant of this class with the specified name.
static Nulls[]	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, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

NONE

public static final Nulls NONE

Null precedence not specified.

FIRST

public static final Nulls FIRST

Null values occur at the beginning of the result set.

LAST

public static final Nulls LAST

Null values occur at the end of the result set.

Method Details

values

public static Nulls[] 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 Nulls 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