private DepartmentInfo()
{
IdToDepartment = new OptionalDictionary <int, DepartmentModel>();
NameToDepartment = new OptionalDictionary <string, DepartmentModel>();
DeptIds = new HashSet <int>();
Lock = new ReadWriteLock();
}
private CourseInfo()
{
CourseCodeToCourse = new OptionalDictionary <string, CourseModel>();
CourseNameToCourse = new OptionalDictionary <string, CourseModel>();
CourseCodes = new HashSet <string>();
Lock = new ReadWriteLock();
}
private TermInfo()
{
IdToTerm = new OptionalDictionary <int, TermModel>();
StringToTerm = new OptionalDictionary <string, TermModel>();
Ids = new SortedSet <int>();
IdHashSet = new HashSet <int>();
Lock = new ReadWriteLock();
}