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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);
}
}
}
}
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