public void Subscribe(StudentCollection <TKey> a)
{
a.StudentsChanged += ((source, e) => {
var note = new JournalEntry(e.NameCollection, e.Info, e.PropertyName, e.Key.ToString());
m_st.Add(note);
});
}
static void Main(string[] args)
{
// 1. Create Collections
var a = new StudentCollection <int>((e) => e.Id, "a");
var b = new StudentCollection <int>((e) => e.Id, "b");
// 2. Journal and Subscribe
var j = new Journal <int>();
j.Subscribe(a);
j.Subscribe(b);
// 3. Change Collections
var s1 = new Student(Education.Bachelor, 8);
var s2 = new Student(Education.Bachelor, 8);
a.AddStudents(s1);
b.AddStudents(s2);
s1.Educ = Education.SecondEducation;
s2.Educ = Education.SecondEducation;
s1.Group = 4;
s2.Group = 4;
a.Remove(s1.Id);
b.Remove(s2.Id);
s1.Educ = Education.Specialist;
s2.Educ = Education.Specialist;
s1.Group = 3;
s2.Group = 3;
// 4. Journal in Console
// After deleting from Collections changing not write in journal
Console.WriteLine(j.ToString());
}
