javax.persistence.spi

Enum LoadState

java.lang.Object

java.lang.Enum<LoadState>

javax.persistence.spi.LoadState

All Implemented Interfaces:

Serializable, Comparable<LoadState>

public enum LoadState
extends Enum<LoadState>

Load states returned by the ProviderUtil SPI methods.

Since:

Java Persistence 2.0

Enum Constant Summary

Enum Constants

Enum Constant and Description
LOADED The state of the element is known to have been loaded.
NOT_LOADED The state of the element is known not to have been loaded.
UNKNOWN The load state of the element cannot be determined.

Method Summary

Methods

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

LOADED

public static final LoadState LOADED

The state of the element is known to have been loaded.

NOT_LOADED

public static final LoadState NOT_LOADED

The state of the element is known not to have been loaded.

UNKNOWN

public static final LoadState UNKNOWN

The load state of the element cannot be determined.

Method Detail

values

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

Returns:

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

valueOf

public static LoadState valueOf(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:

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

NullPointerException - if the argument is null