[cdi-dev] [JBoss JIRA] (CDI-584) Clarification needed on Set mutability returned by SPI

Romain Manni-Bucau (JIRA) issues at jboss.org
Fri Feb 19 05:44:00 EST 2016

    [ https://issues.jboss.org/browse/CDI-584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13165637#comment-13165637 ] 

Romain Manni-Bucau commented on CDI-584:

Not sure in term of implementation but stating the user shouldnt modify it and it is not portable what happens if so sounds good.

> Clarification needed on Set mutability returned by SPI
> ------------------------------------------------------
>                 Key: CDI-584
>                 URL: https://issues.jboss.org/browse/CDI-584
>             Project: CDI Specification Issues
>          Issue Type: Clarification
>          Components: Portable Extensions
>            Reporter: Antoine Sabot-Durand
> {{ProcessBean}} lifecycle event could be the occasion to add new Injection point to an existing bean, but when you call {{ProcessBean#getBean()#getInjectionPoints()}} the returned set is mutable in OWB and immutable in Weld.
> As the spec doesn't precise if the Set should be mutable or not, each impl made its own choice.
> The result is a lack of consistency between both impl and an interesting feature harder to do with Weld (work with AnnotatedType or create a custom bean to add injection point)
> More generally we should clarify mutability of each Set returned in the SPI. And check if it wouldn't be better to add method to life cycle event to provide a "temporary" mutable set (i.e. {{ProcessBean#getInjectionPoints()}}

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