users@ejb-spec.java.net

[ejb-spec users] [jsr345-experts] Re: Final methods in a bean class?

From: Pete Muir <pmuir_at_bleepbleep.org.uk>
Date: Thu, 28 Mar 2013 18:21:52 +0000

Static methods were never considered as a block to proxability.

On 28 Mar 2013, at 18:20, Marina Vatkina <marina.vatkina_at_oracle.com> wrote:

> How about static methods?
>
> thanks,
> -marina
>
> On 3/28/13 11:12 AM, Pete Muir wrote:
>> We updated the requirements in CDI to specifically exclude private methods from proxability requirements. Note we moved this to it's own section - 3.15
>>
>> Pete
>>
>> On 28 Mar 2013, at 17:16, Marina Vatkina <marina.vatkina_at_oracle.com> wrote:
>>
>>> Well, Pete is on this list (and I'm cc-ing him here explicitly), but I don't think private final (or static final) methods should be restricted...
>>>
>>> -marina
>>>
>>> On 3/28/13 9:30 AM, Jeremy Bauer wrote:
>>>> Hi Marina,
>>>>
>>>> Won't allowing final methods will cause an inconsistency with the CDI spec? CDI 1.0 section 5.4.1 says:
>>>>
>>>> Certain legal bean types cannot be proxied by the container:
>>>> [...]
>>>> • classes which are declared final or have final methods,
>>>>
>>>> And I believe this is true in CDI 1.1, but I don't have that spec handy.
>>>>
>>>> -Jeremy
>>>>
>>>>
>>>>
>>>> From: Marina Vatkina <marina.vatkina_at_oracle.com>
>>>> To: jsr345-experts_at_ejb-spec.java.net,
>>>> Date: 03/27/2013 06:21 PM
>>>> Subject: [jsr345-experts] Re: Final methods in a bean class?
>>>>
>>>>
>>>>
>>>> After a longer discussion with Mark offline and not to allow users to
>>>> shoot themselves into a foot, the new proposal is to change both
>>>> statements as follow:
>>>>
>>>> (a) "All non-static public methods of the bean class and of any
>>>> superclasses except the java.lang.Object, are exposed as business methods."
>>>>
>>>> (b) "Business methods exposed through the no-interface view must not be
>>>> declared final."
>>>>
>>>> Let me know if anybody disagrees.
>>>>
>>>> thanks,
>>>> -marina
>>>>
>>>> On 3/27/13 11:36 AM, Marina Vatkina wrote:
>>>>> Experts,
>>>>>
>>>>> The EJB spec currently requires that if a bean exposes a no-interface
>>>>> view (see 4.9.8 Session Bean’s No-Interface View):
>>>>>
>>>>> (a) "All public methods of the bean class and of any superclasses
>>>>> except the java.lang.Object, are exposed as business methods through
>>>>> the no-interface view."
>>>>> (b) "All methods of the bean class and any superclasses must not be
>>>>> declared final."
>>>>>
>>>>> For all other views the rules for a *business method* is
>>>>> "The method must not be declared as final or static."
>>>>>
>>>>> Does any of you see a problem with removing the rule (b) and changing
>>>>> the rule (a) to:
>>>>>
>>>>> "All non-final non-static public methods of the bean class and of any
>>>>> superclasses except the java.lang.Object, are exposed as business
>>>>> methods through the no-interface view."
>>>>>
>>>>> thanks,
>>>>> -marina
>>>>>
>>>>>
>>>>
>