[cdi-dev] [JBoss JIRA] (CDI-360) NormalScoped Bean<T> should all be forced to implement PassivationCapable

Mon Mar 25 07:56:44 EDT 2013

    [ https://issues.jboss.org/browse/CDI-360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12762902#comment-12762902 ] 

Jozef Hartinger commented on CDI-360:
-------------------------------------

The issue is not about requiring all normal-scoped bean definitions to be serializable. The issue is about whether all the normal-scoped Bean<?> objects should implement the PassivationCapable interface (in other words whether they should be assigned a unique identifier) or not.

> NormalScoped Bean<T> should all be forced to implement PassivationCapable
> -------------------------------------------------------------------------
>
>                 Key: CDI-360
>                 URL: https://issues.jboss.org/browse/CDI-360
>             Project: CDI Specification Issues
>          Issue Type: Bug
>          Components: Beans
>    Affects Versions: 1.0
>            Reporter: Mark Struberg
>            Priority: Blocker
>
> When serializing a Contextual Reference of a CDI bean, we need to transport over it's proxy. This proxy internally need to serialize it's Bean<T>. But this is only really possible if the Bean implements PassivationCapable. Any attempt to use the type + qualifier is doomed to fail, as this still leaves room for clashes. E.g. if an Extension registers multiple Bean<T> with Object.class and @Default qualifier but a different name (kind of Spring XML style).
> 6.6.2 comes most close to this requirement, though it doesn't really define that all NormalScoped beans really need to implement PassivationCapable. At least it seems to point into the right direction - but it's nowhere near a clear definition.
> We should force Containers to check whether Bean<T> which serve a NormalScoped scope do implement PassivationCapable.

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