In MEF Exports come from ExportProvider. They might care for releasing or not, so implementing IDisposable on an Export is optional. That's why we cannot enable this pattern... at least that was the rationale at that time. Will check with the feature crew again. Thx
On Wed, Mar 4, 2009 at 2:05 PM, Bill Barry <[email protected]> wrote: > hammett wrote: > > We went into similar ideas on MEF. The fact that it has an Export<> > class almost enable your code snippet. We do have a ReleaseExport on > the container > > var export = container.GetExport<IService>(); > var service = export.GetExportedObject(); > service.DoSomething(); > container.ReleaseExport(export); // or if you have the guts: (service > as IDisposable).Dispose(); > > > Sure that will work; I would prefer to be able to use the using pattern > (export here should implement IDisposable) because I think it makes it very > clear what is going on, but this seems to solve the problem. > > On Wed, Mar 4, 2009 at 1:36 PM, Bill Barry <[email protected]> wrote: > > > The generated proxies can be written in such a way that if the object is > disposed of in the finalizer instead of being explicitly disposed, an > exception could be thrown (at least I hope this could be possible while > the program is running in debug mode). > > > You cannot throw on finalizer. That can kill the finalizer thread. > > You could do it in a debugging mode (perhaps not DEBUG, but maybe a local > mode where you define a "CatchContainerMistakes" option), where you have VS > available (it would be horrid to ship such code, but when running it inside > of visual studio I don't think it would be that big of a deal). > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Castle Project Development List" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/castle-project-devel?hl=en -~----------~----~----~----~------~----~------~--~---
