private IEnumerable <AreaSpecification> GetIntersectedAreaSpecifications(
[NotNull] IGeometry errorGeometry,
[NotNull] QualityCondition qualityCondition,
[NotNull] ICollection <InvolvedRow> involvedRows)
{
if (_areaSpecifications.Count == 0)
{
yield break;
}
var returnedCount = 0;
int totalCount = _areaSpecifications.Count;
IList <string> involvedDatasetNames = null;
for (int index = totalCount - 1; index >= 0; index--)
{
AreaSpecification areaSpecification = _areaSpecifications[index];
if (involvedDatasetNames == null)
{
involvedDatasetNames =
involvedRows.Count != 0
? involvedRows.Select(row => row.TableName).ToList()
: qualityCondition.GetDatasetParameterValues().Select(
dataset => dataset.Name).ToList();
}
if (!areaSpecification.IsAnyDatasetEditable(involvedDatasetNames))
{
// none of the involved datasets is editable in the area specification
continue;
}
if (areaSpecification.Intersects(errorGeometry))
{
returnedCount++;
// the area spec is relevant for the geometry
yield return(areaSpecification);
}
}
if (returnedCount == 0)
{
// no area specification found so far
AreaSpecification defaultAreaSpecification = GetDefaultAreaSpecification(null);
if (defaultAreaSpecification != null)
{
yield return(defaultAreaSpecification);
}
}
}
public bool Intersects([NotNull] AreaSpecification areaSpecification)
{
// area spec has no polygon: false
// shape is empty: false
if (Shape == null)
{
return(false);
}
if (!_ignoreCurrentTileRelation)
{
switch (areaSpecification.CurrentTileRelation)
{
case TileRelation.Within:
if (FeatureIsWithinCurrentTile)
{
// feature is within tile, and tile is within area spec
// -> feature is within area spec
return(true);
}
break;
case TileRelation.Disjoint:
if (FeatureIsWithinCurrentTile)
{
// feature is within tile, and area spec is disjoint from tile
// -> feature is disjoint from area spec
return(false);
}
break;
case TileRelation.Unknown:
case TileRelation.PartialWithin:
// in all other cases, the relationship between feature and
// area specification will have to be calculated
break;
default:
throw new ArgumentOutOfRangeException();
}
}
// no shortcuts, the feature must be compared to the area specification polygon
return(areaSpecification.Intersects(Shape));
}
