[cdi-dev] [JBoss JIRA] (CDI-10) Add ability to access a bean instance from a proxy

Bauke Scholtz (JIRA) issues at jboss.org
Sat Mar 12 15:19:00 EST 2016


    [ https://issues.jboss.org/browse/CDI-10?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13175812#comment-13175812 ] 

Bauke Scholtz edited comment on CDI-10 at 3/12/16 3:18 PM:
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I understand that, but those beans are not part of public API. It's an implementation detail and not supposed to be intercepted/injected/whatever by enduser.

Arjan Tijms suggested a potential alternate solution: a producer with a package private qualifier. I will try that sooner or later. Update: it was quite convoluted and inefficient. In the end I went for "plain" protected methods along a disclaimer in javadoc.

Nonetheless, ability to unwrap the CDI proxy via native API is still much appreciated :)


was (Author: bauke):
I understand that, but those beans are not part of public API. It's an implementation detail and not supposed to be intercepted/injected/whatever by enduser.

Arjan Tijms suggested a potential alternate solution: a producer with a package private qualifier. I will try that sooner or later.

Nonetheless, ability to unwrap the CDI proxy via native API is still much appreciated :)

> Add ability to access a bean instance from a proxy
> --------------------------------------------------
>
>                 Key: CDI-10
>                 URL: https://issues.jboss.org/browse/CDI-10
>             Project: CDI Specification Issues
>          Issue Type: Feature Request
>          Components: Beans
>    Affects Versions: 1.0
>            Reporter: Stuart Douglas
>             Fix For: 2.0 (discussion)
>
>
> There are occasions when it would be useful to access a bean instance directly from a proxy. This could be achieved by making all proxies assignable to an interface (say BeanProxy) that provides a getBeanInstance() method. 
> Client code that needs access to the actual instance can check if the object is assignable to the BeanProxy interface and then call getBeanInstance() to get the actual instance if required.
> This is something that is probably more useful to extension writers than the end user, but there have already been a few requests on the weld forum about this so it is probably worth considering.



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