public static void ValidateDiscipline(Discipline discipline, Dictionary<Discipline, int> setOfDisciplines)
{
int value;
if (setOfDisciplines.TryGetValue(discipline, out value))
{
throw new ArgumentException("This discipline has already been assigned to this teacher. Cannot add the same discipline again.");
}
}
public void RemoveDiscipline(Discipline discipline)
{
int value;
if (this.setOfDisciplines.TryGetValue(discipline, out value))
{
this.setOfDisciplines.Remove(discipline);
}
else
{
throw new ArgumentException("This discipline has not been assigned to this teacher.");
}
}
public void AddDiscipline(Discipline discipline)
{
Validator.ValidateDiscipline(discipline, this.setOfDisciplines);
this.setOfDisciplines.Add(discipline, 1);
}
public void AddDiscipline(Discipline discipline)
{
Validator.ValidateDiscipline(discipline, this.setOfDisciplines);
this.setOfDisciplines.Add(discipline, 1);
}