[cdi-dev] [JBoss JIRA] (CDI-686) Could InterceptionFactory accept an interface as type parameter
Romain Manni-Bucau (JIRA)
issues at jboss.org
Thu Feb 23 05:10:00 EST 2017
[ https://issues.jboss.org/browse/CDI-686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13367974#comment-13367974 ]
Romain Manni-Bucau commented on CDI-686:
----------------------------------------
[~antoinesabot-durand] how is it supposed to work with an API which doesn't use @Produces and doesn't have a concrete implementation but just a Proxy instance?
> Could InterceptionFactory accept an interface as type parameter
> ---------------------------------------------------------------
>
> Key: CDI-686
> URL: https://issues.jboss.org/browse/CDI-686
> Project: CDI Specification Issues
> Issue Type: Clarification
> Affects Versions: 2.0 .Final
> Reporter: Antoine Sabot-Durand
>
> If you take this code:
> {code:java}
> @Produces
> public List<Object> produceList(InterceptionFactory<List<Object>> interceptionFactory) {
> interceptionFactory.ignoreFinalMethods().configure().filterMethods((m) -> {
> if (m.getJavaMember().getName().equals("add")
> && m.getJavaMember().getParameterCount() == 1) {
> return true;
> }
> return false;
> }).findFirst().get().add(Monitor.Literal.INSTANCE);
> return interceptionFactory.createInterceptedInstance(new ArrayList<>());
> }
> {code}
> Parameterized type for injected {{InterceptionFactory}} is an interface {{List<Object>}}, so when calling {{configure()}}, user will work with an {{AnnotatedTypeConfigurator<List<Object>>}} to apply interceptor binding.
> In a standard interceptor usage, interceptor binding on interface are ignored (even if they have {{@Inherited}} annotation), so doing it with {{InterceptionFactory}} could be confusing for some user.
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