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https://issues.jboss.org/browse/CDI-271?page=com.atlassian.jira.plugin.sy...
]
Jozef Hartinger commented on CDI-271:
-------------------------------------
Furthermore the spec does not currently define the behaviour of other InjectionPoint
methods besides getType() and getQualifiers(). For example getMember(), getAnnotated(),
etc. are well defined when the InjectionPoint represents an Instance but not for Event.
Provide a way to inject Event metadata into an observer method
--------------------------------------------------------------
Key: CDI-271
URL:
https://issues.jboss.org/browse/CDI-271
Project: CDI Specification Issues
Issue Type: Feature Request
Components: Events
Reporter: Arne Limburg
Assignee: Arne Limburg
Fix For: 1.1.PFD
Currently there is no way for observer methods to access the qualifiers of the fired
event (i.e. to access @Nonbinding members).
Consider the following example:
{code}
@Inject @MyQualifier
Event<MyObject> event;
public void fireEvent(MyObject object, MyTypeValue type) {
event.select(new MyTypeAnnotationLiteral(type)).fire(object);
}
{code}
Currently no observer can receive the value of MyTypeValue. I suggest to introduce an
interface AnnotatedEvent that extends Annotated and contains this information. It then
could be injected via the InjectionPoint like this:
{code}
public void observeEvent(@Observes @MyType MyObject object, InjectionPoint ip) {
MyType annotation = ip.getAnnotated().getAnnotation(MyType.class);
MyTypeValue value = annotation.value();
...
}
{code}
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