static void Main(string[] args)
{
Console.WriteLine("Events ...");
var weatherForecasts = new List <WeatherForecast>
{
new WeatherForecast(DateTime.Now, 0, "freezing"),
new WeatherForecast(DateTime.Now, 100, "boiling"),
};
IEvent forecastEvent = new WeatherForecastEvent(weatherForecasts);
IEvent reportEvent = new WeatherReportEvent(weatherForecasts);
var events = new List <IEvent> {
forecastEvent, reportEvent
};
foreach (var @event in events)
{
Console.WriteLine($"\n{@event.GetType().Name}: Event Id {@event.Id} created at {@event.CreationDate.ToShortTimeString()}");
if (@event is WeatherForecastEvent _forecastEvent)
{
foreach (var weather in _forecastEvent.WeatherForecasts)
{
Console.WriteLine($"Forecast: {weather.Summary}: {weather.TemperatureC} C, {weather.TemperatureF} F");
}
}
if (@event is WeatherReportEvent _reportEvent)
{
foreach (var weather in _reportEvent.WeatherForecasts)
{
Console.WriteLine($"Report: {weather.Summary}: {weather.TemperatureC} C, {weather.TemperatureF} F");
}
}
}
Console.WriteLine("\nHandlers ...");
var forecastHandler = new WeatherForecastEventHandler();
var reportHandler = new WeatherReportEventHandler();
var handlers = new List <IEventHandler> {
forecastHandler, reportHandler
};
foreach (var handler in handlers)
{
if (handler is IEventHandler <WeatherForecastEvent> )
{
handler.HandleAsync(forecastEvent);
}
if (handler is IEventHandler <WeatherReportEvent> )
{
handler.HandleAsync(reportEvent);
}
}
}
protected virtual void OnRaiseWeatherForecastEvent(WeatherEventArgs e)
{
//WeatherForecastEvent(this, e);
WeatherForecastEvent?.Invoke(this, e);
}
