[cdi-dev] [JBoss JIRA] (CDI-44) Clarify that interceptors must be implemented using subclassing, and clarify the behaviour of self-invocation

[Pete Muir (JIRA)]

    [ https://issues.jboss.org/browse/CDI-44?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12756593#comment-12756593 ] 

Pete Muir commented on CDI-44:
------------------------------

Please review https://github.com/jboss/cdi/pull/175
                
> Clarify that interceptors must be implemented using subclassing, and clarify the behaviour of self-invocation
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: CDI-44
>                 URL: https://issues.jboss.org/browse/CDI-44
>             Project: CDI Specification Issues
>          Issue Type: Clarification
>          Components: Interceptors
>    Affects Versions: 1.0
>            Reporter: Stuart Douglas
>            Assignee: Pete Muir
>             Fix For: 1.1.PFD
>
>
> When implementing interception using proxying the behaour of self invocation is quite well defined, if a method is invoked on the proxy it is intercepted, if it is invoked on the actual bean (usually through self-invocation) it is not.
> When implementing interception though sub classing this is much less well definied, and the only way to track if an invocation is intercepted or not is through a thread local flag. At the moment in weld this is reset when a call is made on a client proxy, so if we have an intercepted bean A and a SessionScoped bean B and A invokes B when invokes A the second call to A is intercepted. If however B is pseudo scoped, then the second invocation is not intercepted. The correct behaviour here should be specified by the specification.

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