Пример #1
0
        ColumnWriterDetails GetDecimalColumnWriterDetails(bool isNullable, uint columnId, PropertyInfo propertyInfo, Func <object, decimal?> valueGetter, SerializationPropertyConfiguration propertyConfiguration)
        {
            var precision = propertyConfiguration?.DecimalPrecision ?? _defaultDecimalPrecision;
            var scale     = propertyConfiguration?.DecimalScale ?? _defaultDecimalScale;

            var state        = new List <decimal?>();
            var columnWriter = new DecimalWriter(isNullable, _shouldAlignNumericValues, precision, scale, _bufferFactory, columnId);

            return(new ColumnWriterDetails
            {
                PropertyName = propertyInfo.Name,
                ColumnWriter = columnWriter,
                AddValueToState = classInstance =>
                {
                    var value = valueGetter(classInstance);
                    state.Add(value);
                },
                WriteValuesFromState = () =>
                {
                    columnWriter.AddBlock(state);
                    state.Clear();
                },
                ColumnType = new Protocol.ColumnType
                {
                    Kind = Protocol.ColumnTypeKind.Decimal,
                    Precision = (uint)precision,
                    Scale = (uint)scale
                }
            });
        }
Пример #2
0
        private ColumnWriterDetails GetDecimalColumnWriterDetails(bool isNullable, uint columnId,
                                                                  PropertyInfo propertyInfo, Func <object, decimal?> valueGetter)
        {
            //TODO add two options to configure Precision and Scale, via an attribute on the property, and via a fluent configuration source
            var precision = _defaultDecimalPrecision;
            var scale     = _defaultDecimalScale;

            var state        = new List <decimal?>();
            var columnWriter = new DecimalWriter(isNullable, _shouldAlignNumericValues, precision, scale,
                                                 _bufferFactory, columnId);

            return(new ColumnWriterDetails
            {
                PropertyName = propertyInfo.Name,
                ColumnWriter = columnWriter,
                AddValueToState = classInstance =>
                {
                    var value = valueGetter(classInstance);
                    state.Add(value);
                },
                WriteValuesFromState = () =>
                {
                    columnWriter.AddBlock(state);
                    state.Clear();
                },
                ColumnType = new ColumnType
                {
                    Kind = ColumnTypeKind.Decimal,
                    Precision = (uint)precision,
                    Scale = (uint)scale
                }
            });
        }