io.jmix.core

Enum FetchMode

java.lang.Object

java.lang.Enum<FetchMode>

io.jmix.core.FetchMode

All Implemented Interfaces:

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

public enum FetchMode
extends java.lang.Enum<FetchMode>

Specifies how to fetch a referenced entity from the database.

Enum Constant Summary

Enum Constants

Enum Constant and 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 and Description
static FetchMode	valueOf(java.lang.String name) Returns the enum constant of this type with the specified name.
static FetchMode[]	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

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 Detail

values

public static FetchMode[] 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 (FetchMode c : FetchMode.values())
    System.out.println(c);

Returns:

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

valueOf

public static FetchMode 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