async public Task <IFeatureCursor> GetFeatures(IQueryFilter filter)
{
_lastException = null;
if (filter is IBufferQueryFilter)
{
ISpatialFilter sFilter = await BufferQueryFilter.ConvertToSpatialFilter(filter as IBufferQueryFilter);
if (sFilter == null)
{
return(null);
}
return(await GetFeatures(sFilter));
}
return(await OgcSpatialFeatureCursor.Create(this, filter));
}
async public Task <ISelectionSet> Select(IQueryFilter filter)
{
filter.SubFields = this.IDFieldName;
if (filter is ISpatialFilter)
{
filter.AddField(this.ShapeFieldName);
}
using (IFeatureCursor cursor = await OgcSpatialFeatureCursor.Create(this, filter))
{
IFeature feat;
SpatialIndexedIDSelectionSet selSet = new SpatialIndexedIDSelectionSet(this.Envelope);
while ((feat = await cursor.NextFeature()) != null)
{
selSet.AddID(feat.OID, feat.Shape);
}
return(selSet);
}
}