private bool IsBackward([NotNull] DirectedRow dirRow)
{
RowCondition flipCondition = GetFlipCondition(dirRow.Row);
return(flipCondition != null && flipCondition.IsFulfilled(dirRow.Row.Row)
? !dirRow.IsBackward
: dirRow.IsBackward);
}
protected override int ExecuteCore(IRow row, int tableIndex)
{
if (!_hasM)
{
return(NoError);
}
var feature = row as IFeature;
if (feature == null)
{
return(NoError);
}
var polyline = feature.Shape as IPolyline;
if (polyline == null)
{
return(NoError);
}
if (_flipCondition == null)
{
const bool undefinedConstraintIsFulfilled = false;
_flipCondition = new RowCondition((ITable)_lineClass, _flipExpression,
undefinedConstraintIsFulfilled,
GetSqlCaseSensitivity(tableIndex));
}
var mAware = (IMAware)polyline;
Assert.True(mAware.MAware, "The geometry is not M-aware");
IEnumerable <MMonotonicitySequence> errorSequences = MeasureUtils.GetErrorSequences(
polyline, _expectedMonotonicity,
() => _flipCondition.IsFulfilled(feature),
_allowConstantValues);
return(errorSequences.Sum(errorSequence => ReportError(
GetErrorMessage(errorSequence),
errorSequence.CreatePolyline(),
Codes[Code.MeasuresNotMonotonic],
TestUtils.GetShapeFieldName(feature),
row)));
}