public TProperty GetSpatialPropertyValueWithErrorHandling <TProperty>(
int ordinal, string propertyName, string typeName, PrimitiveTypeKind spatialTypeKind)
{
TProperty result;
if (Helper.IsGeographicTypeKind(spatialTypeKind))
{
result = new PropertyErrorHandlingValueReader <TProperty>(
propertyName, typeName,
(reader, column) => (TProperty)(object)_spatialReader.Value.GetGeography(column),
(reader, column) => _spatialReader.Value.GetGeography(column)
).GetValue(Reader, ordinal);
}
else
{
Debug.Assert(Helper.IsGeometricTypeKind(spatialTypeKind));
result = new PropertyErrorHandlingValueReader <TProperty>(
propertyName, typeName,
(reader, column) => (TProperty)(object)_spatialReader.Value.GetGeometry(column),
(reader, column) => _spatialReader.Value.GetGeometry(column)
).GetValue(Reader, ordinal);
}
return(result);
}
// <summary>
// Used to retrieve a property value with exception handling. Normally compiled
// delegates directly call typed methods on the DbDataReader (e.g. GetInt32)
// but when an exception occurs we retry using this method to potentially get
// a more useful error message to the user.
// </summary>
public TProperty GetPropertyValueWithErrorHandling <TProperty>(int ordinal, string propertyName, string typeName)
{
var result = new PropertyErrorHandlingValueReader <TProperty>(propertyName, typeName).GetValue(Reader, ordinal);
return(result);
}
