public static IEnumerable <IFeature> GetDerivedTableGeometryFeatures(
[NotNull] IObject obj,
[NotNull] ObjectDataset dataset,
[NotNull] IModelContext modelContext)
{
Assert.ArgumentNotNull(obj, nameof(obj));
Assert.ArgumentNotNull(dataset, nameof(dataset));
Assert.ArgumentNotNull(modelContext, nameof(modelContext));
// TODO move elsewhere - domain? IObjectDataset? use objectrepository (moved from AE)?
var relationList = new List <IRelationshipClass>();
IWorkspaceContext workspaceContext = null;
foreach (AssociationEnd associationEnd in dataset.GetAssociationEnds())
{
if (!(associationEnd.OppositeDataset is VectorDataset) ||
associationEnd.Association.NotUsedForDerivedTableGeometry)
{
continue;
}
// make sure to open the relationship class from the same workspace context as the dataset
if (workspaceContext == null)
{
workspaceContext = modelContext.GetWorkspaceContext(dataset);
Assert.NotNull(workspaceContext,
"Unable to determine workspace context for dataset {0}",
dataset);
}
IRelationshipClass relationshipClass =
workspaceContext.OpenRelationshipClass(associationEnd.Association);
if (relationshipClass != null)
{
relationList.Add(relationshipClass);
}
}
return(GdbQueryUtils.GetRelatedObjectList(obj, relationList).Cast <IFeature>());
}
public void CanGetRelated()
{
IFeatureWorkspace ws = OpenTestWorkspace();
IRelationshipClass rc =
ws.OpenRelationshipClass("TOPGIS_TLM.TLM_STRASSE_NAME");
NUnit.Framework.Assert.AreEqual(rc.Cardinality,
esriRelCardinality.esriRelCardinalityOneToMany);
int count = 0;
foreach (IRow row in GdbQueryUtils.GetRows((ITable)rc.OriginClass, false))
{
var obj = (IObject)row;
IList <IObject> features = GdbQueryUtils.GetRelatedObjectList(obj, new[] { rc });
count += features.Count;
}
NUnit.Framework.Assert.Greater(count, 0);
}