No, it's due to RF support for polymorphism of proxies. Simply break the
inheritance relationship between Data and DataDetail and it'll all work as
you expect. If you want to share properties between them then define an
intermediate interface that does NOT extend ValueProxy:
interface DataProperties { … }
@ProxyFor(DataEntity.class) interface Data extends DataProperties,
ValueProxy { }
@ProxyFor(DataEntity.class) interface DataDetail extends DataProperties,
ValueProxy { … }
On Monday, February 18, 2013 9:20:11 PM UTC+1, Yan wrote:
>
> Hi there,
>
> This seems to be a GWT 2.5 issue.
>
> I have two ValueProxy: Data and DataDetail, DataDetail extends Data, both
> are proxy for backend entity DataEntity. DataDetail has more properties
> than Data does. The reason I have two proxy for one single entity is
> because I want to load a list of Data objects first and then for a given
> Data object, load all its details as DataDetail. This is how I implement
> loading-details-on-demand so that I do not load too much data in the
> beginning.
>
> List<Data> getAllObjects(); <=== load only minimum set of
> data for all objects
> DataDetail getObjectDetail(id); <=== load as much as I can
> for one object
>
> If I have DataDetail extending Data, then GWT is always loading all
> properties in DataDetail (even for getAllObjects() call), because
> ProxyAutoBean is loading properties defined in DataDetail, even though the
> interface is only using Data value proxy.
>
> But if I have DataDetail duplicate properties in Data (thus I do not need
> DataDetail extends Data), then everything works as expected.
>
> Is this a GWT bug?
>
> Thanks,
> yan
>
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