[forge-issues] [JBoss JIRA] (ROASTER-48) A generic parameterized Method is not possible. Class<T> gets reduced to Class, generic parameter name is not accepted

[George Gastaldi (JIRA)]

     [ https://issues.jboss.org/browse/ROASTER-48?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

George Gastaldi closed ROASTER-48.
----------------------------------
    Fix Version/s: 2.19.0.Final
                       (was: 2.x Future)
       Resolution: Done


I have pushed a fix to the master branch. Can you give it a try and provide some feedback? 

Thank you!

> A generic parameterized Method is not possible. Class<T> gets reduced to Class, generic parameter name is not accepted
> ----------------------------------------------------------------------------------------------------------------------
>
>                 Key: ROASTER-48
>                 URL: https://issues.jboss.org/browse/ROASTER-48
>             Project: Roaster
>          Issue Type: Bug
>            Reporter: Yusuf Iskenderoglu
>            Assignee: George Gastaldi
>             Fix For: 2.19.0.Final
>
>
> What I need is something like this:
> {code}
>                                 final MethodSource<JavaClassSource> newMethod = to.addMethod()
>                                     .setName(name)
>                                     .setPublic()
>                                     .setFinal(true);
>                                 newMethod.addTypeVariable("T");
>                                 newMethod.setReturnType("T").setBody(localBody + ".as(((Class<T>) as));");
>                                 newMethod.addParameter(int.class, "index");
>                                 newMethod.addParameter("Class<T>", "as");
> {code}
> However, roaster reduces *Class<T>* to *Class*. In that case, the method returns only "Object", because the type information cannot be deduced anymore, causes ugly Code on the caller side:
> {code}
> app().financing.desires(0, Foo.class).programNumber;
> vs.
> Foo k = (Foo) app().financing.desires(0, Foo.class);
> k.programNumber
> {code}
> Further, a parameter with the name *T* is not accepted at all, even if its defined as a type variable.
> Would be very nice, if you could solve this issue :-)



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