[cdi-dev] [JBoss JIRA] (CDI-475) Support type annotation in assignability of parameterized types

Antonin Stefanutti (JIRA) issues at jboss.org
Mon Sep 15 09:05:02 EDT 2014

Antonin Stefanutti created CDI-475:

             Summary: Support type annotation in assignability of parameterized types
                 Key: CDI-475
                 URL: https://issues.jboss.org/browse/CDI-475
             Project: CDI Specification Issues
          Issue Type: Feature Request
          Components: Resolution
            Reporter: Antonin Stefanutti

Since Java 8 provides support for type annotations, the assignability of parameterized types rules could be updated to support that feature that may add value in a number of use cases.

For example, with lifecycle events resolution, instead of writing:
Set<Annotation> contextNames = new HashSet<>();

void camelContextNames(@Observes ProcessAnnotatedType<? extends CamelContext> pat) {
    if (pat.getAnnotatedType().isAnnotationPresent(ContextName.class))
One could directly write:
void camelContextNames(@Observes ProcessAnnotatedType<@ContextName ? extends CamelContext> pat) {

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