Package io.jmix.core

Enum Class FetchMode

java.lang.Object

java.lang.Enum<FetchMode>

io.jmix.core.FetchMode

All Implemented Interfaces:

Serializable, Comparable<FetchMode>, Constable

public enum FetchMode
extends Enum<FetchMode>

Specifies how to fetch a referenced entity from the database.

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
AUTO	The platform will choose an optimal mode
BATCH	Fetching by one separate select for all referenced entities
JOIN	Fetching in the same select by joining with referenced table
UNDEFINED	Fetching will be performed according to JPA rules, which effectively means loading by a separate select

Method Summary

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

AUTO

public static final FetchMode AUTO

The platform will choose an optimal mode

UNDEFINED

public static final FetchMode UNDEFINED

Fetching will be performed according to JPA rules, which effectively means loading by a separate select

JOIN

public static final FetchMode JOIN

Fetching in the same select by joining with referenced table

BATCH

public static final FetchMode BATCH

Fetching by one separate select for all referenced entities

Method Details

values

public static FetchMode[] 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 FetchMode 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