[cdi-dev] Time to start working on CDI lite

Sun Aug 30 12:09:41 EDT 2015

For me, a Light version of CDI is clearly the features number. That's why I
don't see events in it.

For me, a CDI Lite would just focus on DI. If CDI has @Produces and Spring
has @Bean, then it's because 330 lakes this functionality.

On Sun, Aug 30, 2015 at 4:02 PM, Romain Manni-Bucau <rmannibucau at gmail.com>
wrote:

> Lite can have several definition, let's try to list them up if it can help:
>
> - binary size: for me until 3M for an app it is "Lite"
> - features number: the whole IoC set of feature is light since you almost
> always need it, it means you can do lighter but it wouldnt be used - check
> spring, who uses only spring-ioc and not context or more?
> - features complexity: sure we are not light here but supporting scopes
> already breaks "Lite-ness" IMO so not a real issue
>
> So my view is CDI "SE" is light enough - as a spec and spec can't affect
> implementations so seems the fight is not on the right side to me.
>
>
>
> Romain Manni-Bucau
> @rmannibucau <https://twitter.com/rmannibucau> |  Blog
> <http://rmannibucau.wordpress.com> | Github
> <https://github.com/rmannibucau> | LinkedIn
> <https://www.linkedin.com/in/rmannibucau> | Tomitriber
> <http://www.tomitribe.com>
>
> 2015-08-30 15:57 GMT+02:00 Antonio Goncalves <antonio.goncalves at gmail.com>
> :
>
>> It's funny, I feel I'm in Rod Johnson shoes back in Java EE 6 where he
>> forked 330 because he found CDI was doing too much  ;o)
>>
>> For me, "CDI Lite" was just basic dependency injection. The fact that CDI
>> can now run on SE (like JPA....), is good... but for me it has nothing to
>> do with Light : it's the entire thing that can bootstrap in SE. Good.
>>
>> So what is Lite for you guys ?
>>
>> Antonio
>>
>> On Sun, Aug 30, 2015 at 3:44 PM, Romain Manni-Bucau <
>> rmannibucau at gmail.com> wrote:
>>
>>> 2015-08-30 15:22 GMT+02:00 John D. Ament <john.d.ament at gmail.com>:
>>>
>>>> Personally, I'm not in favor of a slimmed down runtime.  It was tried
>>>> with EJB, but never implemented properly (most implementations that support
>>>> EJB-lite actually support the entire thing, except for deprecated stuff).
>>>>
>>>>
>>> +1, most of CDI is basic and quickly any light version will miss events
>>> or other thing - in particular in maintaining micro services from
>>> experience. Size of an implementation can easily be < 1M so not sure it
>>> would bring anything. Only important point is what Antoine started to do ie
>>> ensuring EE and SE parts are clearly identified and split in the spec.
>>>
>>>
>>>> I think if we define SE properly we won't have a need for this.
>>>>
>>>> John
>>>>
>>>> On Sun, Aug 30, 2015 at 8:07 AM Antonio Goncalves <
>>>> antonio.goncalves at gmail.com> wrote:
>>>>
>>>>> @Antoine, so which content do you see in CDI Lite ? Are you sure about
>>>>> events ?
>>>>>
>>>>> I'm in favor of a "fatter" 330 that would have :
>>>>>
>>>>>    - @Inject : already there
>>>>>    - @Qualifier : already there
>>>>>    -
>>>>> *Producers and disposers *
>>>>>    -
>>>>> *Programatic lookup *
>>>>>    - *Java SE Bootstrap*
>>>>>
>>>>> When you say "*The goal here is not to propose a new EE profile but a
>>>>> subspec*", 330 could already be seen as a subspec. If you put events
>>>>> apparts, what would be missing in this list in your point of view ? And
>>>>> what obstacles do you see in archieving this ?
>>>>>
>>>>> To boostrap CDI we have a CDIProvider, why not having an
>>>>> InjectionProvider just to bootstrap 330 (then, CDIProvider could extend
>>>>> InjectionProvider, so it bootstraps the all thing) ?
>>>>>
>>>>> Antonio
>>>>>
>>>>> On Sun, Aug 30, 2015 at 9:09 AM, Antoine Sabot-Durand <
>>>>> antoine at sabot-durand.net> wrote:
>>>>>
>>>>>> Yes Arjan, I think it's the first reason. We really should work with
>>>>>> them to understand what should be added to CDI 2.0 to have it as a first
>>>>>> citizen DI in their spec.
>>>>>>
>>>>>> Le sam. 29 août 2015 à 23:15, arjan tijms <arjan.tijms at gmail.com> a
>>>>>> écrit :
>>>>>>
>>>>>>> On Sat, Aug 29, 2015 at 8:45 PM, Antonio Goncalves
>>>>>>> <antonio.goncalves at gmail.com> wrote:
>>>>>>> > I remember talking with the JAX-RS guys (Java EE), years ago (back
>>>>>>> in EE6),
>>>>>>> > and their answer for not adopting CDI was "too heavy".
>>>>>>>
>>>>>>> I can't find an exact reference anymore, but I somewhat remember that
>>>>>>> one of the reasons was also simply that CDI as a general solution
>>>>>>> finished late in Java EE 6, while JAX-RS finished earlier and had all
>>>>>>> the work for their own DI solution already done.
>>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Antonio Goncalves
>>>>> Software architect, Java Champion and Pluralsight author
>>>>>
>>>>> Web site <http://www.antoniogoncalves.org> | Twitter
>>>>> <http://twitter.com/agoncal> | LinkedIn
>>>>> <http://www.linkedin.com/in/agoncal> | Pluralsight
>>>>> <http://pluralsight.com/training/Authors/Details/antonio-goncalves> | Paris
>>>>> JUG <http://www.parisjug.org> | Devoxx France <http://www.devoxx.fr>
>>>>> _______________________________________________
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>>>
>>>
>>
>>
>> --
>> Antonio Goncalves
>> Software architect, Java Champion and Pluralsight author
>>
>> Web site <http://www.antoniogoncalves.org> | Twitter
>> <http://twitter.com/agoncal> | LinkedIn
>> <http://www.linkedin.com/in/agoncal> | Pluralsight
>> <http://pluralsight.com/training/Authors/Details/antonio-goncalves> | Paris
>> JUG <http://www.parisjug.org> | Devoxx France <http://www.devoxx.fr>
>>
>
>

-- 
Antonio Goncalves
Software architect, Java Champion and Pluralsight author

Web site <http://www.antoniogoncalves.org> | Twitter
<http://twitter.com/agoncal> | LinkedIn <http://www.linkedin.com/in/agoncal> |
Pluralsight
<http://pluralsight.com/training/Authors/Details/antonio-goncalves> | Paris
JUG <http://www.parisjug.org> | Devoxx France <http://www.devoxx.fr>
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