[weld-dev] Java SE extension

[Peter Royle]

Yep that was it thanks.


On 30/11/2009, at 10:25 AM, Gavin King wrote:

> It looks as if event() is returning
> javax.enterprise.inject.Instance<javax.enterprise.event.Event>
> instead of javax.enterprise.event.Event.
> 
> On Sun, Nov 29, 2009 at 6:12 PM, Peter Royle
> <howardmoon at screamingcoder.com> wrote:
>> Hi,
>> I've done the first iteration of this (checked in - r5173). It doesn't yet
>> separate out the initialisation, I'll do that next.
>> One problem is that I can't get the following line to compile:
>> weld.event().select(CustomEvent.class).fire(new CustomEvent());
>> I get:
>> Compilation failure
>> org/jboss/weld/environment/se/test/WeldMainTest.java:[70,18] cannot find
>> symbol
>> symbol  : method
>> select(java.lang.Class<org.jboss.weld.environment.se.test.beans.CustomEvent>)
>> location: interface
>> javax.enterprise.inject.Instance<javax.enterprise.event.Event>
>> I think the problem is that my CustomEvent doesn't implement or extend
>> Event. I don't think it has to though (am I mistaken?). Anyone know what I'm
>> missing?
>> Cheers,
>> 
>> 
>> On 24/11/2009, at 11:11 PM, Dan Allen wrote:
>> 
>>> 
>>>> WeldContainer weld = new Weld().initialize();
>>>> weld.instance().select(Foo.class).get();
>>> 
>>> Yes, this seems sensible to me, as it will allow us to provide flexibility
>>> with the configuration in the future.
>> 
>> Emmanuel, master of fluent APIs, has made an important point that we should
>> keep in mind when designing a sequential call chain. Think twice before
>> returning "this" and think if there is a more specific type that you can
>> return that narrows the options based on where you are in the sequence. That
>> way, you prevent being able to invoke methods out of sequence.
>> 
>> You can now prevent:
>> 
>> new Weld().event()
>> 
>> Returning a more specific type is also self documenting.
>> 
>> -Dan
>> --
>> Dan Allen
>> Senior Software Engineer, Red Hat | Author of Seam in Action
>> Registered Linux User #231597
>> 
>> http://mojavelinux.com
>> http://mojavelinux.com/seaminaction
>> http://www.google.com/profiles/dan.j.allen
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> 
> 
> 
> -- 
> Gavin King
> gavin.king at gmail.com
> http://in.relation.to/Bloggers/Gavin
> http://hibernate.org
> http://seamframework.org