Re: [webbeans-dev] Replacement pattern for Manager.getInstanceByType

A complex factory method? On 5/27/09, Gavin King <gavin.king(a)gmail.com&gt; wrote: > I don't understand what you would be wanting to do this yourself all > over the place. > > Why on earth are you going to be performing typesafe resolution > manually yourself instead of letting 299 do the injection?! > > What is the usecase for this? Why do you do typesafe resolution at > anything other than an injection point? > > On Wed, May 27, 2009 at 1:15 AM, David Allen <drallendc(a)gmail.com&gt; > wrote: >> On Tue, 2009-05-26 at 20:42 -0500, Clint Popetz wrote: >>>> From what I can tell, code that used to do: >>> >>> manager.getInstanceByType(clazz) >>> >>> now need to do: >>> >>> >>> manager.getReference(manager.getBeans(clazz).iterator().next >>> (),clazz); >>> >>> (plus checking that the set contains only one element and >>> throwing an >>> exception if not.) >> >> Yes, this is the first case I mentioned earlier that I postponed >> yesterday. This is a drastic API difference that does affect many >> of >> the other projects too. >> >> For the TCK, I was thinking of just adding the corresponding >> behavior >> into the abstract test class we use so that the changes are >> localized to >> a single line of code (each call to getInstanceByType). >> >> Outside of the TCK, I am not sure how much it is used. And since >> there >> will be less of a framework involved in some cases, many instances >> of >> the call will need to be replaced with a number of lines of code >> (a lot >> of duplicate code as you mentioned above). >> >>> >>> Is that really true? Is there no more direct way to obtain this in >>> the SPI? It seems like a pretty common case. If not, I can have a >>> utility method to do the above in the core, as many things don't >>> cast >>> to ManagerImpl, so I'd rather not put it there. >>> >>> -Clint >>> >>> >>> -- >>> Clint Popetz >>> http://42lines.net >>> Scalable Web Application Development >>> _______________________________________________ >>> webbeans-dev mailing list >>> webbeans-dev(a)lists.jboss.org >>> https://lists.jboss.org/mailman/listinfo/webbeans-dev >> >> _______________________________________________ >> webbeans-dev mailing list >> webbeans-dev(a)lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/webbeans-dev >> > > > > -- > Gavin King > gavin.king(a)gmail.com > http://in.relation.to/Bloggers/Gavin > http://hibernate.org > http://seamframework.org > > _______________________________________________ > webbeans-dev mailing list > webbeans-dev(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/webbeans-dev > -- Sent from my mobile device --- Nik