[weld-issues] [JBoss JIRA] Reopened: (WELD-56) Supporting proxies with no no-arg constructors

[Pete Muir (JIRA)]

     [ https://jira.jboss.org/jira/browse/WELD-56?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pete Muir reopened WELD-56:
---------------------------



After discussion on IRC, we should change this to have the presence of a classpath resource e.g. META-INF/org.jboss.weld.enableUnsafeProxies (not in services as Stuart said) be what switches on the code.

> Supporting proxies with no no-arg constructors
> ----------------------------------------------
>
>                 Key: WELD-56
>                 URL: https://jira.jboss.org/jira/browse/WELD-56
>             Project: Weld
>          Issue Type: Feature Request
>          Components: Scopes & Contexts
>            Reporter: Pete Muir
>            Assignee: Nicklas Karlsson
>             Fix For: 1.1.0.BETA1
>
>
> On Tue, May 12, 2009 at 1:11 AM, Jason T. Greene
> <jason.greene at redhat.com> wrote:
> Hi Everyone,
> As a non-standard extension, I was thinking that we could support generation
> proxies of classes not containing no-arg constructors by using various
> techniques that are supported by most JDKs.
> This would involve generating a proxy with a constructor call passing bogus
> parameters. Then a JDK specific approach would be used to instantiate the
> proxy class:
> Sun, IcedTea, Mac: Unsafe.allocateInstance() - The most efficient
> Above + IBM, JRockit: ReflectionFactory.newConstructorForSerialization()

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