public bool ContainsNumber(int number)
{
ICSECourse temp = new CSECourse(number, "", "");
/*
* Even though the possible course in the list will most likely
* have different data than temp, the implementaion of Contains
* uses the provided IComparer. Since it returns 'equal' if the
* numbers are equal, even if other properties are not equal, this
* method call works.
*/
return(CourseList.Contains(temp));
}
public ICSECourse GetCourseByNumber(int number)
{
if (!ContainsNumber(number))
{
throw new ArgumentException("Violation of: A course with the same number is in this");
}
// This is super inefficient but it's the best way I can think of
var courses = new List <ICSECourse>(CourseList);
ICSECourse temp = new CSECourse(number, "", "");
// Again this works due to the IComparer design
int idxToSearchFor = courses.BinarySearch(temp, new CompareCSECourseByNumber());
return(courses[idxToSearchFor]);
}
private static void TestCSECourse()
{
int number = 4253;
string name = "Programming in C#";
string syllabus = "http://coe-portal.cse.ohio-state.edu/pdf-exports/CSE/CSE-4253.pdf";
int[] prereqs = { 2122, 2123, 2231, 2321 };
int[] successors = { 5194 };
ICSECourse c = new CSECourse(number, name, syllabus);
foreach (int p in prereqs)
{
c.AddPrereq(p);
}
foreach (int s in successors)
{
c.AddSuccessor(s);
}
Console.WriteLine(c);
Console.WriteLine("\nPrereqs:");
foreach (int p in c.Prereqs)
{
Console.WriteLine(p);
}
Console.WriteLine("\nSuccessors:");
foreach (int s in c.Successors)
{
Console.WriteLine(s);
}
var set = new SortedSet <ICSECourse>(new CompareCSECourseByNumber());
set.Add(c);
ICSECourse tempC = new CSECourse(4253, "", "");
Console.WriteLine("\nset.Contains({0}) = {1}", tempC, set.Contains(tempC));
}
public override bool Equals(object other)
{
if (other == null)
{
return(false);
}
if (other == this)
{
return(true);
}
if (!(other is CSECourse))
{
return(false);
}
CSECourse otherCourse = other as CSECourse;
return(Number == otherCourse.Number &&
Name == otherCourse.Name &&
Syllabus == otherCourse.Syllabus &&
Prereqs.Equals(otherCourse.Prereqs) &&
Successors.Equals(otherCourse.Successors));
}