private void Apply(RegistrationCreatedEvent e, bool isNew)
{
StudentNumber = e.StudentNumber;
AcademicTerm = e.AcademicTerm;
_courses.AddRange(e.Courses);
AddEvent(e, isNew: isNew);
}
public Registration(Guid id, string studentNumber, AcademicTerm academicTerm, IReadOnlyList <Course> courses)
: base(id)
{
var thisEvent =
new RegistrationCreatedEvent(
id: id, version: 0,
studentNumber: studentNumber,
academicTerm: academicTerm,
courses: courses);
Apply(thisEvent, isNew: true);
}