Module jakarta.cdi

Package jakarta.enterprise.event

Enum Class Reception

java.lang.Object

java.lang.Enum<Reception>

jakarta.enterprise.event.Reception

All Implemented Interfaces:

Serializable, Comparable<Reception>, Constable

public enum Reception
extends Enum<Reception>

Distinguishes conditional observer methods from observer methods which are always notified.

A conditional observer method is an observer method which is notified of an event only if an instance of the bean that defines the observer method already exists in the current context.

Beans with scope @Dependent may not have conditional observer methods.

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
ALWAYS	Specifies that an observer method always receives event notifications.
IF_EXISTS	Specifies that an observer method is only called if the current instance of the bean declaring the observer method already exists.

Method Summary

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

IF_EXISTS

public static final Reception IF_EXISTS

Specifies that an observer method is only called if the current instance of the bean declaring the observer method already exists.

If there is no active context for the scope to which the bean declaring this observer method belongs, then the observer method is not called.

ALWAYS

public static final Reception ALWAYS

Specifies that an observer method always receives event notifications.

Method Details

values

public static Reception[] 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 Reception 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