I summed up what I think about GWT RPC and it's future here:
On Thu, Jul 14, 2016 at 12:01 AM JonL <jonl@percsolutions.com> wrote:
While I agree that it could theoretically work with annotations, annotations require access to code, so for things you have no control over, you either would need to implement custom serialization anyways, or use the GWT serialization.I personally think there are optimizations to be had in the serialization policy generator that would prevent that whole classpath rescan issue, but I haven't had a chance to look into the code.If we were to use annotations, I think it would be better to use annotations on the RPC mechanism.
On Wednesday, July 13, 2016 at 9:23:19 AM UTC-7, Thomas Broyer wrote:
On Wednesday, July 13, 2016 at 5:53:20 PM UTC+2, Paul Robinson wrote:--
On 13 Jul 2016 9:17 a.m., "Kay Pac" <kmjs...@fastmail.fm> wrote:
>
> Will the gwt serialization mechanism used in GWT-RPC remain? GWT object serialization has been plugged into the atmosphere (realtime communication/websockets) GWT extension. It would be useful to know if we should migrate away from the GWT serialization and towards JSON.It's the serialisation that's the problem, so it will be gone in 3.0. JSON is a good choice. (I'm moving that way)
The actual problem is not serialization per se, it is that the RPC generator scans the whole classpath for subclasses of transferred classes to generate their specific ser/deser code (taking into account their CustomFieldSerializer if one exists).RPC (thus probably Atmosphere) could be made to work (as annotation processors) if they use another mechanism to determine what can be transferred (e.g. annotations similar to RequestFactory's @ExtraTypes).I believe Daniel Kurka said something along those lines a year ago when first talking about those changes. The logical next question is: is there anyone willing to make those changes and continue to maintain GWT-RPC? The answer seemed to be (have been?) "at least that won't be Google", and this is why people start to "panic". That does not mean RPC will be gone (that doesn't mean it'll still be there either).But let's concentrate on 2.8 for now.
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