public override async Task <IOrleansQueryResult <TIGrain> > GetResults()
{
IIndexInterface index = base.IndexFactory.GetIndex(typeof(TIGrain), this._indexName);
//the actual lookup for the query result to be streamed to the observer
return((IOrleansQueryResult <TIGrain>) await index.Lookup(this._param));
}
public override async Task ObserveResults(IAsyncBatchObserver <TIGrain> observer)
{
IIndexInterface index = base.IndexFactory.GetIndex(typeof(TIGrain), this._indexName);
IAsyncStream <TIGrain> resultStream = base.StreamProvider.GetStream <TIGrain>(Guid.NewGuid(), IndexUtils.GetIndexGrainPrimaryKey(typeof(TIGrain), this._indexName));
IOrleansQueryResultStream <TIGrain> result = new OrleansQueryResultStream <TIGrain>(resultStream);
//the observer is attached to the query result
await result.SubscribeAsync(observer);
//the actual lookup for the query result to be streamed to the observer
await index.Lookup(result.Cast <IIndexableGrain>(), this._param);
}
