private IFeature CreateEmptyGeometryFeature(IFeatureWorkspace ws,
esriGeometryType geometryType,
IGeometry andAlso = null)
{
ISpatialReference sr = SpatialReferenceUtils.CreateSpatialReference
((int)esriSRProjCS2Type.esriSRProjCS_CH1903Plus_LV95,
true);
IFeatureClass featureClass =
EnsureFeatureClass(ws, geometryType, geometryType.ToString(), sr);
IGdbTransaction transaction = new GdbTransaction();
IFeature feature = null;
bool inserted = transaction.Execute((IWorkspace)ws, () =>
{
if (andAlso != null)
{
andAlso.SpatialReference = sr;
IFeature nonEmpty = featureClass.CreateFeature();
nonEmpty.Shape = andAlso;
nonEmpty.Store();
}
feature = featureClass.CreateFeature();
// NOTE: There is no difference when setting an empty geometry
feature.Store();
}, "Insert feature");
Assert.IsTrue(inserted);
return(feature);
}
private static void GetFeaturesInLoop(
int count,
[NotNull] Func <IFeatureClass, int, IFeature> getFeatureMethod)
{
IFeatureWorkspace featureWorkspace =
(IFeatureWorkspace)TestUtils.OpenSDEWorkspaceOracle();
IFeatureClass featureClass =
featureWorkspace.OpenFeatureClass("TOPGIS_TLM.TLM_DTM_MASSENPUNKTE");
IList <int> oids = GetFeatureIDs(featureClass, count);
var watch = new Stopwatch();
var memoryUsage = new MemoryUsageInfo();
memoryUsage.Refresh();
watch.Start();
IGdbTransaction gdbTransaction = new GdbTransaction();
gdbTransaction.Execute(
(IWorkspace)featureWorkspace,
delegate
{
foreach (int oid in oids)
{
IFeature feature = getFeatureMethod(featureClass, oid);
ComUtils.ReleaseComObject(feature);
}
memoryUsage.Refresh();
watch.Stop();
Console.WriteLine("Features read: {0}", oids.Count);
Console.WriteLine("Memory usage: {0}", memoryUsage);
Console.WriteLine("Elapsed: {0:N0} ms", watch.ElapsedMilliseconds);
}, "test");
}
