// Define a one-to-many dependency between objects so that when one object changes state, all
// its dependents are notified and updated automatically.
public static void Main(string[] _)
{
var mohammad = new JobSeeker("Mohammad");
var ali = new JobSeeker("Ali");
var developer = new JobPosting();
developer.Subscribe(mohammad);
developer.Subscribe(ali);
developer.AddJob(new JobPost(".Net Developer"));
developer.AddJob(new JobPost("Java Developer"));
Console.ReadKey();
}
public static void Main(string[] args)
{
var soheil = new JobSeeker("Soheil");
var ali = new JobSeeker("Ali");
var jobPosting = new JobPosting();
jobPosting.Subscribe(soheil);
jobPosting.Subscribe(ali);
jobPosting.AddJob(new JobPost(".NET Developer"));
jobPosting.AddJob(new JobPost("Java Developer"));
Console.ReadKey();
}
static void Main(string[] args)
{
var jobSeeker = new JobSeeker("Martin");
var jobSeekers = new List <IObserver>
{
new JobSeeker("Tim"),
new JobSeeker("Angela"),
new JobSeeker("Jeff"),
};
var headHunter = new HeadHunter();
headHunter.RegisterObserver(jobSeeker);
headHunter.RegisterObservers(jobSeekers);
headHunter.AddJob("Google job");
headHunter.RemoveObserver(jobSeeker);
headHunter.AddJob("Microsoft job");
}
static void Main()
{
// create subscribers
var johnDoe = new JobSeeker("John Doe");
var janeDoe = new JobSeeker("Jane Doe");
// create publisher and attach subscribers
var jobPostings = new JobPostings();
var johnDoeSubscription = jobPostings.Subscribe(johnDoe);
jobPostings.Subscribe(janeDoe);
// add a new job and see if subscribers get notified
jobPostings.AddJob(new JobPost("Software Engineer"));
// unsubscribe, notify Jane about DT role
johnDoeSubscription.Dispose();
jobPostings.AddJob(new JobPost("Design Technologist"));
Console.ReadLine();
}