public static SubmissionStatusModel GetInstance()
{
if(submission_model_ == null){
submission_model_ = new SubmissionStatusModel();
}
return submission_model_;
}
public static SubmissionStatusModel GetInstance()
{
if (submission_model_ == null)
{
submission_model_ = new SubmissionStatusModel();
}
return(submission_model_);
}
public SubmissionStatusNetworkService(SendingQueue sender, RoleModel role)
{
submission_status_model_ = SubmissionStatusModel.GetInstance();
if (role is StudentModel) {
submission_status_model_.Role = "student";
submission_status_model_.Changed["SubmissionStatus"].Add(new PropertyEventHandler(this.StudentSendStatus));
} else if(role is InstructorModel){
submission_status_model_.Role = "instructor";
submission_status_model_.Changed["Id"].Add(new PropertyEventHandler(this.InstructorSendStatus));
}
sender_ = sender;
}
public SubmissionStatusMessage( Message parent, SerializedPacket p )
: base(parent, p)
{
this.sender_ = (!SerializedPacket.IsNullPacket( p.PeekNextPart() )) ?
new SubmissionStatusModel( p.PeekNextPart() ) : null; p.GetNextPart();
}
/// <summary>
/// constructor for creating a confirmation message from the instructor.
/// Here Id is the id of the student this message is for.
/// </summary>
/// <param name="status"></param>
/// <param name="id"></param>
public SubmissionStatusMessage(SubmissionStatusModel submission_model)
: base(Guid.NewGuid())
{
///the model that send this.
sender_ = submission_model;
}