[cdi-dev] [JBoss JIRA] (CDI-187) Clarify serializability requirements for interceptors/decorators

[Pete Muir (JIRA)]

    [ https://issues.jboss.org/browse/CDI-187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12713008#comment-12713008 ] 

Pete Muir commented on CDI-187:
-------------------------------

Needs review at CDI EG meeting
                
> Clarify serializability requirements for interceptors/decorators
> ----------------------------------------------------------------
>
>                 Key: CDI-187
>                 URL: https://issues.jboss.org/browse/CDI-187
>             Project: CDI Specification Issues
>          Issue Type: Clarification
>          Components: Contexts, Decorators, Interceptors
>    Affects Versions: 1.1.EDR
>            Reporter: Jozef Hartinger
>            Assignee: Pete Muir
>             Fix For: 1.1.PRD
>
>
> The spec says:
> {quote}A managed bean is passivation capable if and only if the bean class is serializable and all interceptors and decorators of
> the bean *are serializable*.{quote}
> The "interceptors and decorators of the bean *are serializable*" part is problematic. While it is fine to examine the defining class in case of standard interceptors/decorators, the question is: How to find out whether an extension-provided interceptor/decorator in serializable? It does not make sense to check the implementation of the Interceptor/Decorator interfaces nor to examine the class returned by Bean.getBeanClass() as that would break the abstraction.
> IMHO, the spec should say that:
> {quote}A managed bean is passivation capable if and only if the bean class is serializable and all interceptors and decorators of
> the bean are *passivation capable*.{quote}
> Where a standard interceptor/decorator would be passivation capable if and only if it implemented the Serializable interface whereas the following section of the spec would handle extension-provided interceptors/decorators.
> {quote}A custom implementation of Bean is passivation capable if it implements the interface PassivationCapable. An imple-
> mentation of Contextual that is not a bean is passivation capable if it implements both PassivationCapable and Serial-
> izable.
> {quote}

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