Package javax.enterprise.event
Enum Class Reception
- All Implemented Interfaces:
Serializable
,Comparable<Reception>
,Constable
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.
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Nested Class Summary
Nested classes/interfaces inherited from class java.lang.Enum
Enum.EnumDesc<E extends Enum<E>>
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Enum Constant Summary
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Method Summary
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Enum Constant Details
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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.
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ALWAYS
Specifies that an observer method always receives event notifications.
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Method Details
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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
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valueOf
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 nameNullPointerException
- if the argument is null
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