Example #1
0
		public void BagTest()
		{
			int studentId = 1;

			// Set major.
			using (ISession session = OpenSession())
			{
				ITransaction t = session.BeginTransaction();
				var student = new Student();
				var subject1 = new Subject {Id = 1};
				var subject2 = new Subject {Id = 2};

				// Create major objects.
				var major1 = new Major {Note = ""};

				var major2 = new Major {Note = ""};

				// Set major objects.
				student.Majors[subject1] = major1;
				student.Majors[subject2] = major2;

				session.Save(subject1);
				session.Save(subject2);
				session.Save(student);

				session.Flush();
				t.Commit();
			}
			// Remove major for subject 2.
			using (ISession session = OpenSession())
			{
				ITransaction t = session.BeginTransaction();
				var student = session.Get<Student>(studentId);
				var subject2 = session.Get<Subject>(2);

				// Remove major.
				student.Majors.Remove(subject2);

				session.Flush();
				t.Commit();
			}

			// Get major for subject 2.
			using (ISession session = OpenSession())
			{
				ITransaction t = session.BeginTransaction();
				var student = session.Get<Student>(studentId);
				var subject2 = session.Get<Subject>(2);

				Assert.IsNotNull(subject2);

				// Major for subject 2 should have been removed.
				Assert.IsFalse(student.Majors.ContainsKey(subject2));

				t.Commit();
			}

			// Remove all - NHibernate will now succeed in removing all.
			using (ISession session = OpenSession())
			{
				ITransaction t = session.BeginTransaction();
				var student = session.Get<Student>(studentId);
				student.Majors.Clear();
				session.Flush();
				t.Commit();
			}
		}