private static IDictionary <int, Type> GetTypeMapping(
this GetDataSetResponse self)
{
return(self.DataTypes.ToDictionary(
x => x.Id,
x => Type.GetType(x.BclType)));
}
private static IEnumerable <DataRow> GetDataRows(
this GetDataSetResponse self,
DataTable table)
{
var types = self.GetTypeMapping();
var providers = self.Attributes
.OrderBy(x => x.Index)
.Select(x => ValueProviders[types[x.DataTypeId]])
.ToArray();
var features = self.AttributeValues
.GroupBy(x => x.FeatureIndex);
foreach (var f in features)
{
var row = table.NewRow();
foreach (var v in f)
{
var i = v.AttributeIndex;
row[i] = providers[i](v) ?? DBNull.Value;
}
yield return(row);
}
}
public static IFeatureCollection GetFeatureCollection(
this GetDataSetResponse self)
{
return(new FeatureCollection(
self.Features,
self.GetDataTable()));
}
public static IEnumerable <DataColumn> GetDataColumns(
this GetDataSetResponse self)
{
var types = self.DataTypes.ToDictionary(
x => x.Id,
x => Type.GetType(x.BclType));
return(self.Attributes
.OrderBy(x => x.Index)
.Select(x => new DataColumn(x.Name, types[x.DataTypeId])));
}
public static DataTable GetDataTable(
this GetDataSetResponse self)
{
var table = new DataTable();
var columns = self.GetDataColumns().ToArray();
table.Columns.AddRange(columns);
foreach (var row in self.GetDataRows(table))
{
table.Rows.Add(row);
}
return(table);
}
