For transport, you can send a Long across the wire as a String using
Long.toString/Long.parseLong to serialize/deserialize. On the overlay you
would then have something like:
public final Long getNr() {
return Long.parseLong(getNrRaw());
}
private final native String getNrRaw() {
return this.nr;
}
On Tue, May 24, 2011 at 2:07 PM, Eugen Paraschiv <hanrisel...@gmail.com>wrote:
> So essentially once you have a overlay type corresponding to a model on the
> server, and the server model has a method returning a Long, there is no way
> to have the overlay type return Long?
> On May 24, 2011 6:38 PM, "Chris Conroy" <con...@google.com> wrote:
> > Javascript cannot deal with longs properly since the VM only speaks in
> terms
> > of doubles. Longs are emulated in GWT:
> >
> http://code.google.com/p/google-web-toolkit/source/browse/trunk/#trunk%2Fdev%2Fcore%2Fsuper%2Fcom%2Fgoogle%2Fgwt%2Flang
> >
> > The reason this doesn't work is the compiler can only emulate the longs
> you
> > use in Java code. Once you drop to JSNI the compiler isn't touching your
> > code, and therefore it doesn't make any sense to have a JSNI method
> return a
> > long.
> >
> > On Tue, May 24, 2011 at 5:17 AM, Eugen Paraschiv <hanrisel...@gmail.com
> >wrote:
> >
> >> I'm having a problem with the conversion of a JSON to a JNI overlay
> type.
> >> The java code has to following method:
> >>
> >> long nr = 10l;
> >> public Long getNr() {
> >>
> >> return nr;
> >> }
> >>
> >> The JNI overlay type is:
> >>
> >> public final native Long getNr() /*-{
> >> return this.nr;
> >>
> >> }-*/;
> >>
> >> I'm avoiding operating with the long primitive in the overlay type, as
> the
> >> compiler doesn't allow it. The official documentation says that this is
> >> inefficient but it should work. However, I'm getting:
> >>
> >> java.lang.IllegalArgumentException: Something other than a Java object
> was returned from JSNI method
> '@com.avaya.thunder.portal.client.shared.model.Customer::getNr1()': JS value
> of type int, expected java.lang.Object
> >>
> >> at com.google.gwt.dev.shell.JsValueGlue.get(JsValueGlue.java:178)
> >>
> >> at
> com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java:271)
> >>
> >> I'm using GWT 2.2.0.
> >>
> >> Is it something I'm doing wrong? Should this work? Any help is
> appreciated.
> >> Thanks.
> >>
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