protected IEnumerable <IRow> Search(
int involvedTableIndex,
[NotNull] IGeometry geometry,
esriSpatialRelEnum spatialRelation = esriSpatialRelEnum.esriSpatialRelIntersects,
[CanBeNull] string where = null)
{
EnsureDefaultFilters();
ITable table = InvolvedTables[involvedTableIndex];
ISpatialFilter filter = _defaultFilters[involvedTableIndex];
QueryFilterHelper defaultHelper = _defaultFilterHelpers[involvedTableIndex];
QueryFilterHelper whereHelper = (string.IsNullOrWhiteSpace(where))
? new QueryFilterHelper(
table, where, GetSqlCaseSensitivity(table))
: null;
filter.Geometry = geometry;
filter.SpatialRel = spatialRelation;
foreach (var row in Search(table, filter, defaultHelper))
{
if (whereHelper == null || whereHelper.MatchesConstraint(row))
{
yield return(row);
}
}
}
/// <summary>
/// Checks if the specified row fulfils the test constraints
/// </summary>
/// <returns></returns>
internal bool CheckConstraint(IRow row, int tableIndex)
{
if (row.Table == null)
{
// Mock Row (TerrainRow or RasterRow
Assert.True(row is IMockRow, "table is null for regular row");
return(true);
}
if (row.Table != InvolvedTables[tableIndex])
{
throw new InvalidProgramException("row does not correspond to table index");
}
QueryFilterHelper filterHelper = _filterHelpers[tableIndex];
return(filterHelper == null || filterHelper.MatchesConstraint(row));
}