[webbeans-dev] EJB lifecycle

[Gavin King]

multiple web beans may share the same bean class, but *in a particular
deployment* there can be only one most specialized web bean for that
bean class :-)

On Fri, Dec 19, 2008 at 10:48 AM, Pete Muir <pmuir at redhat.com> wrote:
> Ok, but in 3.3 it says
>
>> Note that multiple enterprise Web Beans may share the same implementation
>> class. This occurs when Web Beans are
>> defined using XML. Only one Web Bean per implementation class may be
>> defined using annotations.
>
> here we have multiple WBs per EJB bean class, so my method below would fail,
> no?
>
>
> On 18 Dec 2008, at 23:42, Gavin King wrote:
>
>> Currently the spec says that there can be only one most specialized
>> web bean for a particular ejb bean.
>>
>> Yep, I thought of that :-)
>>
>> On Fri, Dec 19, 2008 at 10:33 AM, Pete Muir <pmuir at redhat.com> wrote:
>>>
>>> Section 6.9 says that we should intercept the @PostConstruct of an EJB to
>>> do
>>> injection, initialization, interceptor stack binding etc. And this works
>>> well :-)
>>>
>>> So, what I've done is:
>>>
>>>  @PostConstruct
>>>  public void postConstruct(InvocationContext invocationContext)
>>>  {
>>>    Class<?> beanClass = invocationContext.getTarget().getClass();
>>>    Bean<?> bean =
>>> CurrentManager.rootManager().getBeanMap().get(beanClass);
>>>    if (bean instanceof EnterpriseBean)
>>>    {
>>>       EnterpriseBean<Object> enterpriseBean = (EnterpriseBean<Object>)
>>> bean;
>>>       enterpriseBean.postConstruct(invocationContext.getTarget());
>>>    }
>>>
>>> To get the relevant Bean, and then run the post construct tasks. I can
>>> see
>>> two flaws here. First, accessing the manager through current manager,
>>> second
>>> that there could be multiple Enterprise Beans registered for a particular
>>> bean class. In Seam there is some ThreadLocal used to hold the currently
>>> invoking bean. Does this seem like the best approach, or am I missing the
>>> obvious?
>>> _______________________________________________
>>> webbeans-dev mailing list
>>> webbeans-dev at lists.jboss.org
>>> https://lists.jboss.org/mailman/listinfo/webbeans-dev
>>>
>>
>>
>>
>> --
>> Gavin King
>> gavin.king at gmail.com
>> http://in.relation.to/Bloggers/Gavin
>> http://hibernate.org
>> http://seamframework.org
>
>



-- 
Gavin King
gavin.king at gmail.com
http://in.relation.to/Bloggers/Gavin
http://hibernate.org
http://seamframework.org