jsr372-experts@javaserverfaces-spec-public.java.net

[jsr372-experts] Re: why PushContext cannot be obtained from FacesContext?

From: Leonardo Uribe <leonardo.uribe_at_irian.at>
Date: Thu, 1 Sep 2016 20:45:20 -0500

Hi

Ok, now I understand. Thanks for the clarifications.

regards,

Leonardo Uribe

2016-09-01 16:47 GMT-05:00 arjan tijms <arjan.tijms_at_gmail.com>:

> Hi,
>
> On Thu, Sep 1, 2016 at 5:59 AM, Leonardo Uribe <leonardo.uribe_at_irian.at>
> wrote:
>
>> My reasoning is in JSF there is always a way to do certain things
>> programmatically.
>>
>
> This often can be done with the CDI APIs just as well. The entry point is
> CDI.current().select(SomeBean.class, ...);
>
> Basically, if it can be injected it can typically be obtained that way.
>
>
>> For example Application.evaluateExpressionGet(...) to get beans using
>> EL, but some new features seem to work only with CDI or maybe rely too much
>> on it.
>>
>
> Some features indeed work with CDI only, but the Java EE platform and JSF
> among it has been moving towards that already in EE 7. @FlowScoped is a CDI
> only feature as well, as is @Transactional in JTA. MVC and the Security API
> are fully CDI based to begin with.
>
>
>
>> The annotation syntax using @Inject and @Push is nice, but I'm suspicious
>> about why PushContext extends Serializable. I don't understand why extends
>> from this interface, or if this is necessary.
>>
>
> In order to inject into a beans with a passivating scope, the injection
> target has to Serializable.
>
> Kind regards,
> Arjan Tijms
>
>
>
>>
>> regards,
>>
>> Leonardo Uribe
>>
>
>