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org.eclipse.persistence.annotations
Enum JoinFetchType

java.lang.Object
java.lang.Enum<JoinFetchType>
org.eclipse.persistence.annotations.JoinFetchType

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<JoinFetchType>

public enum JoinFetchType

extends java.lang.Enum<JoinFetchType>

An enum type that is used within the JoinFetch annotation.

Since:

Oracle TopLink 11.1.1.0.0

Author:

James Sutherland

See Also:

JoinFetch

Enum Constant Summary

INNER
An inner join is used to fetch the related object.

OUTER
An inner join is used to fetch the related object.

Method Summary

static JoinFetchType	valueOf(java.lang.String name) Returns the enum constant of this type with the specified name.
static JoinFetchType[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

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

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

INNER

public static final JoinFetchType INNER

An inner join is used to fetch the related object. This does not allow for null/empty values.

OUTER

public static final JoinFetchType OUTER

An inner join is used to fetch the related object. This allows for null/empty values.

Method Detail

values

public static JoinFetchType[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (JoinFetchType c : JoinFetchType.values())
    System.out.println(c);

Returns:

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

valueOf

public static JoinFetchType valueOf(java.lang.String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (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:

java.lang.IllegalArgumentException - if this enum type has no constant with the specified name

java.lang.NullPointerException - if the argument is null

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