javax.enterprise.inject
Interface Instance<T>

Type Parameters:

T - the type of the event object

All Superinterfaces:

java.lang.Iterable<T>

public interface Instance<T>
extends java.lang.Iterable<T>

An interface for looking up beans of a particular type.

Author:

Gavin King

Method Summary

T	get(java.lang.annotation.Annotation... bindings) Get an instance of a bean of the specified type.
boolean	isAmbiguous()
boolean	isUnsatisfied()
Instance<T>	select(java.lang.annotation.Annotation... bindings)
<U extends T> Instance<U>	select(java.lang.Class<U> subtype, java.lang.annotation.Annotation... bindings)
<U extends T> Instance<U>	select(TypeLiteral<U> subtype, java.lang.annotation.Annotation... bindings)

Methods inherited from interface java.lang.Iterable

iterator

Method Detail

get

T get(java.lang.annotation.Annotation... bindings)

Get an instance of a bean of the specified type. Additional binding annotations may be specified at the injection point.

Parameters:

bindings - Additional binding types

Returns:

an instance of a bean of the specified type

Throws:

java.lang.IllegalArgumentException - if two instances of the same binding type are passed

java.lang.IllegalArgumentException - if an instance of an annotation that is not a binding type is passed

select

Instance<T> select(java.lang.annotation.Annotation... bindings)

select

<U extends T> Instance<U> select(java.lang.Class<U> subtype,
                                 java.lang.annotation.Annotation... bindings)

select

<U extends T> Instance<U> select(TypeLiteral<U> subtype,
                                 java.lang.annotation.Annotation... bindings)

isUnsatisfied

boolean isUnsatisfied()

isAmbiguous

boolean isAmbiguous()