static void Main(string[] args)
{
var source = new CancellationTokenSource();
var stockCollector = new StockCollector();
try {
var service = new StockCollectionService();
var token = source.Token;
service.StartAsync(token).GetAwaiter().GetResult();
} catch (Exception ex) {
source.Cancel();
Console.WriteLine("[Error] " + DateTime.Now + " " + ex.Message + ", \n" + ex.StackTrace);
} finally {
source.Cancel();
}
}
protected override Task ExecuteAsync(CancellationToken stoppingToken)
{
var stockCollector = new StockCollector();
var stockClient = new StockClient();
var observable = stockCollector.StocksStream(TimeSpan.FromSeconds(3), stoppingToken)
.Where(stocks => stocks.Any())
.DistinctUntilChanged()
.Do(stocks => stockClient.AddRange(stocks))
.Catch <IEnumerable <Stock>, Exception> (ex => {
Console.WriteLine("[Error] " + DateTime.Now + " Catch: " + ex.Message + " : " + ex.StackTrace);
return(Observable.Empty <IEnumerable <Stock> > ());
});
using (var stocks = observable.Subscribe()) {
Console.WriteLine(DateTime.Now + " Press any key to unsubscribe");
observable.Wait();
}
return(Task.CompletedTask);
}