public void Test1()
{
var subject = new Subject();
var firstObserver = new FirstObserver();
var secondObserver = new SecondObserver();
firstObserver.Subscribe(subject);
secondObserver.Subscribe(subject);
subject.Notify("Something happened");
}
static void Main(string[] args)
{
Console.WriteLine("Hello World!");
ISubject subject = new Subject();
IObserver observer1 = new FirstObserver(subject);
IObserver observer2 = new SecondObserver(subject);
subject.AddObserver(observer1);
subject.AddObserver(observer2);
subject.HaveSomeTechLogic();
subject.RemoveObserver(observer1);
subject.HaveSomeTechLogic();
}
/// <summary>
/// 解析cron表达式
/// </summary>
/// <param name="cron">cron表达式字符串</param>
/// <returns></returns>
public static CronExpression ResolveCron(string cron)
{
CronResolve resolve = new CronResolve(new CronExpression());// cron解析器
// 注册解析成员
SecondObserver secondObserver = new SecondObserver(resolve); // 秒
MinuteObserver minuteObserver = new MinuteObserver(resolve); // 分
HourObserver hourObserver = new HourObserver(resolve); // 小时
DayObserver dayObserver = new DayObserver(resolve); // 天
MonthObserver monthObserver = new MonthObserver(resolve); // 月
DayOfWeekObserver dayOfWeekObserver = new DayOfWeekObserver(resolve); // 星期
YearObserver yearObserver = new YearObserver(resolve); // 年
return(resolve.Resolve(cron)); // 解析
}
public override void Run()
{
var someObservable = new SomeObservable();
var firstObserver = new FirstObserver();
var secondObserver = new SecondObserver();
someObservable.DoSomeAction(800);
Console.WriteLine("Add FirstObserver");
_firstCancelation = someObservable.Subscribe(firstObserver);
Console.WriteLine("Add SecondObserver");
someObservable.Subscribe(secondObserver);
Console.WriteLine("Do some action in Observable twice");
someObservable.DoSomeAction(100);
someObservable.DoSomeAction(200);
Console.WriteLine("Unsubscribe FirstObserver and Do some action in Observable");
_firstCancelation.Dispose();
someObservable.DoSomeAction(300);
Console.WriteLine("Cancel notify");
someObservable.StopNotify();
}
