There are big limitations imposed by dynamic proxies here as I see it. Dynamic proxies are beautiful interceptors for one or more interfaces, but they themselves are of a synthetic class.
If you have a class A and you want to mix-in/apply an interface to it, dynamic proxies could help wire a default implementation around an interface, but you'd still have to manually delegate to the proxy from your class. Overall it still leaves a gaping "can't get there from here" hole in the middle of things. John Nilsson wrote: > I haven't done any benchmarking. But I can't imagine the overhead > being "terrible", mesurable: yes, but I hear the reflection stuff in > Java is rather quick. > > If performance is a problem you could probably use some runtime class > generation instead. But I imagine it would take a little more effort > to assemble such a system. > > BR, > John > > On Thu, Nov 6, 2008 at 8:20 PM, Casper Bang <[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>> wrote: > > > But aren't dynproxies terribly slow? I thought that's why people > dabble on invokedynamic. > > /Casper > > On Nov 6, 8:16 pm, "John Nilsson" <[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>> wrote: > > It shouldn't be to hard to implement traits as a library in > current Java > > using a dynamic proxy. > > Should make for an interesting project. > > > > BR, > > Jphn > > > > On Wed, Nov 5, 2008 at 3:00 AM, Mark Derricutt <[EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]>> wrote: > > > Please please please bring on traits! I'm somewhat on the > fence of rather > > > seeing traits than closures in java sooner than the other. > > > > > I'm finding LOTS of places in my code where traits would just > make things > > > cleaner. > > > > > More and more I think I just want scala :) > > > > > On Wed, Nov 5, 2008 at 12:15 PM, hlovatt > <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> wrote: > > > > >> I thinks that Traits are a great idea for Java and judging by > #215 the > > >> posse, particularly Dick, like them. I wrote about them for > Java 7 in: > > > > >>http://www.artima.com/weblogs/viewpost.jsp?thread=220916 > > > > >> What do you think? > > > > > -- > > > "It is easier to optimize correct code than to correct > optimized code." -- > > > Bill Harlan > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "The Java Posse" 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/javaposse?hl=en -~----------~----~----~----~------~----~------~--~---
