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Groups > comp.lang.java.programmer > #30597

Re: Class<T> get generic type at runtime CDI

Newsgroups comp.lang.java.programmer
Date 2014-12-19 07:13 -0800
References <be034564-30a4-4be6-82fa-2dc7717b70c9@googlegroups.com> <cfir38Fg52fU1@mid.individual.net>
Message-ID <fb6aebf7-3cc3-4957-9283-3bd96cf0848a@googlegroups.com> (permalink)
Subject Re: Class<T> get generic type at runtime CDI
From Leonan Luppi <leonan.luppi@gmail.com>

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Em sexta-feira, 19 de dezembro de 2014 12h30min14s UTC-2, Robert Klemme  escreveu:
> On 19.12.2014 13:23, Leonan Luppi wrote:
> > Hello,
> >
> > I'm try to get generic class type but isn't work. Someone can help
> > me?  I'm using CDI Weld to Inject my DAO class with a generic type:
> >
> >
> > @Inject
> > private DAO<Agent> dao;
> >
> > And my DAO Class:
> >
> > public class DAO<T> {
> > 	
> > public T findAll() {
> > 	CriteriaQuery<T> query = em.getCriteriaBuilder()
> > 								 .createQuery(HERE_MY_GENERIC_CLASS);
> > 	query.select(query.from(HERE_MY_GENERIC_CLASS));
> > 	return (T) em.createQuery(query).getResultList(); 	
> > }
> > 	
> > }
> >
> >
> > How can i get at runtime? To make a query.
> 
> Judging from the code you presented you need at least to return a 
> collection of T (e.g. Iterable<T>) and not a T.
> 
> Cheers
> 
> 	robert
> 
> 
> -- 
> remember.guy do |as, often| as.you_can - without end
> http://blog.rubybestpractices.com/


Robert,

Sure i saw this after i've posted here. So How can I get my current T class in Runtime?

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Thread

Class<T> get generic type at runtime CDI Leonan Luppi <leonan.luppi@gmail.com> - 2014-12-19 04:23 -0800
  Re: Class<T> get generic type at runtime CDI Robert Klemme <shortcutter@googlemail.com> - 2014-12-19 15:29 +0100
    Re: Class<T> get generic type at runtime CDI Leonan Luppi <leonan.luppi@gmail.com> - 2014-12-19 07:13 -0800
      Re: Class<T> get generic type at runtime CDI Sebastian <news@seyweiler.dyndns.org> - 2014-12-20 15:20 +0100
  Re: Class<T> get generic type at runtime CDI Andreas Leitgeb <avl@auth.logic.tuwien.ac.at> - 2014-12-20 18:28 +0000

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