Re: [weld-dev] Example project to show private observer failure with decorator
Alright, we have pinpointed the cause.
It is a regression introduced by fix for WELD-2042.
We have created an issue to track this problem -
https://issues.jboss.org/browse/WELD-2179
Keep an eye on that issue so that you know once it is resolved.
Matej
----- Original Message -----
From: "Matej Novotny" <manovotn(a)redhat.com>
To: "Larry Streepy" <larry.streepy(a)raptorx.org>
Cc: weld-dev(a)lists.jboss.org
Sent: Friday, June 10, 2016 7:26:57 AM
Subject: Re: [weld-dev] Example project to show private observer failure with decorator
Hi,
thanks for your report and for the reproducer. We will take a look at it and
get back to you soon.
As for WELD-2092, that cannot be the cause of this behaviour because it was
added in Alpha15
and your reproducer breaks with Alpha14 already.
Matej
----- Original Message -----
> From: "Larry Streepy" <larry.streepy(a)raptorx.org>
> To: weld-dev(a)lists.jboss.org
> Sent: Friday, June 10, 2016 12:36:35 AM
> Subject: [weld-dev] Example project to show private observer failure with
> decorator
>
>
>
> The attached project (maven and intellij) exhibits the problem with private
> observer methods when an App scoped bean is decorated.
>
>
>
> You can rung it from IJ, or from the command line using: mvn compile
> exec:java -Dexec.mainClass=Main
>
>
>
> As delivered, you should see output like the following:
>
>
>
> doSomething decorator,
> delegate=org.jboss.weld.proxies.AppScopeBean$Proxy$_$$_WeldSubclass@4550bb58
>
> doSomething,
> this=org.jboss.weld.proxies.AppScopeBean$Proxy$_$$_WeldSubclass@4550bb58 ,
> anInt=5
>
> Got event,
> this=org.jboss.weld.proxies.AppScopeBean$Proxy$_$$_Weld$Proxy$@49139829 <=
> should be org.jboss.weld.proxies.AppScopeBean$Proxy$_$$_WeldSubclass
>
> Got event, anInt=0 <= should be 5
>
>
>
> Note the “anInt=0” where it should be 5. If you change
> AppScopeBean#observer
> from ‘private’ to ‘protected’ you will see output like this:
>
>
>
> doSomething decorator,
> delegate=org.jboss.weld.proxies.AppScopeBean$Proxy$_$$_WeldSubclass@4550bb58
>
> doSomething,
> this=org.jboss.weld.proxies.AppScopeBean$Proxy$_$$_WeldSubclass@4550bb58 ,
> anInt=5
>
> Got event,
> this=org.jboss.weld.proxies.AppScopeBean$Proxy$_$$_WeldSubclass@4550bb58 <=
> should be org.jboss.weld.proxies.AppScopeBean$Proxy$_$$_WeldSubclass
>
> Got event, anInt=5 <= should be 5
>
>
>
> Note that in the latter case, the member variable is properly initialized.
> The problem stems from the fact that the proxy implementation doesn’t
> include the private methods. I think that the changes included in
> https://issues.jboss.org/browse/WELD-2092 have broken decorated beans with
> private observer methods. It also hinders tests that use things like
> JMockit
> Deencapsulation to invoke private methods on bean instances.
>
>
>
> I don’t know how this all reconciles with the CDI spec, but the current
> implementation seems broken if I can’t have a private observer method
> simply
> because the class is the target of a Decorator.
>
>
>
> Thanks for taking the time to review this post.
>
>
>
> Larry.
>
>
>
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> weld-dev(a)lists.jboss.org
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