[cdi-dev] [JBoss JIRA] (CDI-616) Injection point declared as transient is not useful

Mark Struberg (JIRA) issues at jboss.org
Fri Jun 10 12:22:00 EDT 2016


    [ https://issues.jboss.org/browse/CDI-616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13251059#comment-13251059 ] 

Mark Struberg commented on CDI-616:
-----------------------------------

Are we talking about a real java 'transient' field?
Of course adding transient to an injected CDI field is utter rubbish ^^.

Or are we talking about InjectionPoint#isTransient() and the CDI @TransientReference annotation?
That is the one I was basing my explanation on.

> Injection point declared as transient is not useful
> ---------------------------------------------------
>
>                 Key: CDI-616
>                 URL: https://issues.jboss.org/browse/CDI-616
>             Project: CDI Specification Issues
>          Issue Type: Clarification
>          Components: Concepts
>    Affects Versions: 1.2.Final
>         Environment: n/a
>            Reporter: Emily Jiang
>            Priority: Minor
>
> An injection point declared as 'transient' is not useful, due to the fact of after bean's passivation, the transient field will not be reinjected and its value will be lost. This causes confusion. See Weld forum discussion [link title|https://developer.jboss.org/thread/179486]. In the section 5.5.7, how about to make the following changes?
> The isTransient() method returns true if the injection point is a transient field, and
> false otherwise. If the injection point represents a dynamically obtained instance then the
> isTransient() method returns true if the Instance injection point is a transient field, and
> false otherwise.
> =>
> The isTransient() method returns true if the injection point is a transient field, and
> false otherwise. If the injection point represents a dynamically obtained instance then the
> isTransient() method returns true if the Instance injection point is a transient field, and
> false otherwise. If this injection point is declared as transient, after bean's passivation, the value will not be restored. Instance injection point is the preferred approach.
> Any other better suggestions?



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