Sorry - I misread what he was doing. The downsides I mentioned aren't applicable. It might be an interesting approach - it would be interesting to hear the effect this has on optimization.
On Sat, Oct 31, 2009 at 1:04 PM, Vitali Lovich <[email protected]> wrote: > I found it worked well to have a wrapper around GWT.create that would > simply return a on-first-use created singleton. Thus start-up time is much > shorter, the cost of creating services in hosted mode is ammortized of the > usage of the app, and the penalty is only payed the first time you create > the instance. The singleton trick below is for the hosted mode - the class > loader will actually only on first use. In web-mode, it should all be > inlined with no overhead. > > For example: > > public class ServiceFactory { > private class MyAmazingServiceAsyncWrapper { > static final MyAmazingServiceAsync instance = > GWT.create(MyAmazingServiceAsync.class) > } > > MyAmazingServiceAsync getMyAmazingService() { > return MyAmazingServiceAsyncWrapper.instance; > } > } > > I wouldn't recommend merging RPC calls into fewer of them just to make > hosted mode faster. I think you'll find several problems with that > approach: > > Maintaining the dispatch code on the server, the compiler can't be as > efficient (I think if you merge a lot of calls together like this, the RPC > will actually be much more bloated since it won't know the types that can be > going over the wire). Also, maintaining the code will be tricky. > > > On Sat, Oct 31, 2009 at 10:14 AM, [email protected] <[email protected]>wrote: > >> >> Googling around, I just found a post from a couple of years ago, which >> suggested (see "#1 Reduce the number of remote services" at the link >> below) using a facade for multiple RPC, in order to drive startup time >> down... has anybody tried this? Does it still make sense? >> >> >> http://robvanmaris.jteam.nl/2007/11/30/optimizing-startup-time-for-gwt-hosted-mode/ >> >> >> > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Web Toolkit" 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/google-web-toolkit?hl=en -~----------~----~----~----~------~----~------~--~---
