public void ObserverPatternTest()
{
var subject = new SushiLaneSubject();
var observer = new SushiObserver();
// 例: 1 => N変換
// まぐろをさばいて、大トロ, 中トロに変換する
subject
.Where(neta => neta == "まぐろ")
.Select(neta => "トロ")
.SelectMany(neta => new[] { "大" + neta, "中" + neta })
.Subscribe(observer);
// 例: 1 => Observable変換
// ネタがきてもすべて無視する
subject
.SelectMany(neta => Observable <string> .Create(_observer =>
{
// _observer.OnNext(neta);
return(new EmptyDisposable());
}))
.Subscribe(observer);
subject.OnNext("まぐろ");
subject.OnComplete();
// output:
// 大トロおいしいです (^q^)
// 中トロおいしいです (^q^)
// ごちそうさま (^O^)
}
// Use this for initialization
void Start()
{
var subject = new SushiLaneSubject();
var observer1 = new SushiObserver()
{
Subject = subject
};
var observer2 = new SushiObserver()
{
Subject = subject
};
subject.Subscribe(observer1);
subject.Subscribe(observer2);
subject.Neta = "まぐろ";
subject.NotifyObservers();
}
