Module jakarta.persistence

Package jakarta.persistence.criteria

Enum Class JoinType

java.lang.Object

java.lang.Enum<JoinType>

jakarta.persistence.criteria.JoinType

All Implemented Interfaces:

Serializable, Comparable<JoinType>, Constable

public enum JoinType
extends Enum<JoinType>

Defines the three varieties of join.

Support for RIGHT outer joins is not required. Applications which make use of right joins might not be portable between providers or between SQL databases.

Since:

2.0

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
INNER	Inner join.
LEFT	Left outer join.
RIGHT	Right outer join.

Method Summary

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

INNER

public static final JoinType INNER

Inner join.

LEFT

public static final JoinType LEFT

Left outer join.

RIGHT

public static final JoinType RIGHT

Right outer join.

Method Details

values

public static JoinType[] 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 JoinType 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