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

[Stephan Knitelius (JIRA)]

    [ https://issues.jboss.org/browse/CDI-616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13305749#comment-13305749 ] 

Stephan Knitelius commented on CDI-616:
---------------------------------------

Sadly Alea iacta est ("The die is cast") on this matter.

I do agree that "normally" it is the developers responsibility to reinitialize any transient fields.
However in the context of DI I always hear other devs speculating whether or not transient fields are "reinjected" post deserialization. 

So clarifying this matter is the least we should be doing. 

> 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
>             Fix For: 2.0 .Final
>
>
> 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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