/*This method creates GroupDetails with random data.
* Firstly, it takes list of all programs of the college.
* Then, it takes two random numbers (one to choose program name from the list, another one - for semester number).
* When we get program number (random number to choose program from the list),
* we get all courses of this programs and put them into "courses" LinkedList.
* After that, we create GroupDetails object via getGroupDetails function giving randomly chosen data to it.
*/
public GroupDetails createGroupDetails()
{
Random rand = new Random();
List <String> programs = new List <String>(college.getPrograms().Keys);
int semNum = rand.Next(1, 5);
int progNum = rand.Next(programs.Count);
LinkedList <Course> courses = college.getPrograms()[programs[progNum]];
return(GroupDetails.getGroupDetails(semNum, courses, programs[progNum]));
}
/*This method returns GroupDetails objects
* It checks if hash set already has GroupDetails object with given semester number
* and program name (courses are not checked because GroupDetails college can contain student groups
* which have the same program names, but differs by semester number. Also, if student groups have the
* same program number, they have the same course list. This all mean that group details can differ with
* program name and semester number only)
*/
public static GroupDetails getGroupDetails(int semesterNumber, LinkedList <Course> courses, string programName)
{
foreach (GroupDetails item in detailsList)
{
if (item.semesterNumber == semesterNumber && item.programName.Equals(programName))
{
return(item);
}
}
GroupDetails newDetails = new GroupDetails(semesterNumber, courses, programName);
detailsList.Add(newDetails);
return(newDetails);
}
public StudentGroup(LinkedList <Student> students, GroupDetails details)
{
this.students = students;
groupNumber = groupNumberCounter++;
this.details = details;
}
