object _ReadColumn(Column column, BinaryReader reader)
{
var type = column.Type;
switch (type)
{
case ColumnType.String:
return(reader.ReadString());
case ColumnType.Double:
return(reader.ReadDouble());
case ColumnType.Int:
return(reader.ReadInt32());
case ColumnType.Float:
return(reader.ReadSingle());
case ColumnType.Boolean:
return(reader.ReadBoolean());
case ColumnType.Date:
return(new DateTime(reader.ReadInt64()));
case ColumnType.Long:
return(reader.ReadInt64());
case ColumnType.Byte:
return(reader.ReadByte());
case ColumnType.IndexList:
return(IndexList.ReadFrom(reader));
case ColumnType.WeightedIndexList:
return(WeightedIndexList.ReadFrom(reader));
case ColumnType.Vector:
return(FloatVector.ReadFrom(reader));
case ColumnType.Matrix:
return(FloatMatrix.ReadFrom(reader));
case ColumnType.Tensor:
return(FloatTensor.ReadFrom(reader));
default:
return(null);
}
}
