public bool SignInForCourse(string courseName)
{
foreach (Course course in courseList)
{
if (course.Name == courseName)
{
if (course.Capacity > course.NrOfParticipants)
{
course.NrOfParticipants++;
if (course.NrOfParticipants == course.Capacity)
{
// We do that because we get deadlock on the current client, it should be called on all the others
// Instance of the current client
ISchoolEvents clientCallback = OperationContext.Current.GetCallbackChannel <ISchoolEvents>();
// We remove it to prevent dealock
CourseFull -= clientCallback.OnCourseFull;
// Add the new full course
CourseFull(course.Name);
// Add the current cliet back
CourseFull += clientCallback.OnCourseFull;
}
return(true);
}
}
}
return(false);
}
public void UnsubscribeEvent()
{
ISchoolEvents clientCallback = OperationContext.Current.GetCallbackChannel <ISchoolEvents>();
CourseFull -= clientCallback.OnCourseFull;
}
