Developing Next Generation Smart Clients using .NET 2.0 working with Existing .NET 1.1 SOA-based XML Web Services

using System;
using System.Xml.Serialization;

namespace SmartInstitute
{
	///<summary>
	/// An object representation of the 'CourseTakenByStudent' table. [No description for this table in the database]	
	/// It decorates the actual CourseTakenByStudent object with further properties for easy access to 
	/// referenced objects
	///</summary>
	/// <remarks>
	/// Inherits from the <see cref="CourseTakenByStudentBase"/> class.
	/// Sorting and interfaces implementations are part of the <see cref="CourseTakenByStudentBase"/> class.
	/// Only custom implementations are done in this class.
	/// </remarks>
	[Serializable]
	public class CourseTakenByStudent2 : CourseTakenByStudent
	{
		private enum CourseStatusBit
		{
			ValidInvalidBitMask = 1,
			DropBitMask = 2,
			UnofficialWithdrawBitMask = 4,
			RetakeBitMask = 8
		}

		public Course Course;
		public CourseSection Section;
		public Student Student;

		public CourseTakenByStudent2() {}
		public CourseTakenByStudent2(CourseTakenByStudent courseTaken)
		{
			base._ChangeStamp = courseTaken.ChangeStamp;
			base._CourseID = courseTaken.CourseID;
			base._ID = courseTaken.ID;
			base._NonCredit = courseTaken.NonCredit;
			base.SectionID = courseTaken.SectionID;
			base.Status = courseTaken.Status;
			base.StudentID = courseTaken.StudentID;
			base.AcceptChanges();
		}
		[XmlIgnore]
		public bool UnofficialWithdraw
		{
			get
			{
				return (Status & (int)CourseStatusBit.UnofficialWithdrawBitMask) > 0;
			}
			set
			{
				if( value )
					Status |= (int)CourseStatusBit.UnofficialWithdrawBitMask;
				else
					Status = Status & (~(int)CourseStatusBit.UnofficialWithdrawBitMask);
			}
		}

		[XmlIgnore]
		public bool Dropped
		{
			get
			{
				return (Status & ((int)CourseStatusBit.DropBitMask)) > 0;
			}
			set
			{
				if( value )
					Status |= (int)CourseStatusBit.DropBitMask;
				else
					Status = Status & (~(int)CourseStatusBit.DropBitMask);									
			}
		}

		[XmlIgnore]
		public bool Retake
		{
			get
			{
				return (Status & ((int)CourseStatusBit.RetakeBitMask)) > 0;
			}
			set
			{
				if( value )
					Status |= (int)CourseStatusBit.RetakeBitMask;
				else
					Status = Status & (~(int)CourseStatusBit.RetakeBitMask);									
			}
		}

		[XmlIgnore]
		public bool Valid
		{
			get
			{
				return (Status & (int)CourseStatusBit.ValidInvalidBitMask) > 0;			
			}
			set
			{
				if( value )
					Status |= (int)CourseStatusBit.ValidInvalidBitMask;
				else
					Status = Status & (~(int)CourseStatusBit.ValidInvalidBitMask);				
			}
		}

	}
}