private void UpdateServices()
{
this._services = new List <IStockQuoteService>();
foreach (var item in _settings)
{
IStockQuoteService service = null;
if (AlphaVantage.IsMySettings(item))
{
service = new AlphaVantage(item, this.LogPath);
}
else if (IEXTrading.IsMySettings(item))
{
service = new IEXTrading(item, this.LogPath);
}
if (service != null)
{
service.DownloadError += OnServiceDownloadError;
service.QuoteAvailable += OnServiceQuoteAvailable;
service.Complete += OnServiceQuotesComplete;
service.Suspended += OnServiceSuspended;
service.SymbolNotFound += OnSymbolNotFound;
this._services.Add(service);
}
}
}
protected void Page_Load(object sender, EventArgs e)
{
this.stockQuoteService = new RandomStockQuoteService();
if (!this.IsPostBack)
{
UpdateQuotes();
}
}
void BeginGetQuotes(HashSet <Security> toFetch)
{
if (_services.Count == 0 || toFetch.Count == 0)
{
return;
}
UiDispatcher.BeginInvoke(new Action(() =>
{
OutputPane output = (OutputPane)provider.GetService(typeof(OutputPane));
output.Clear();
output.AppendHeading(Walkabout.Properties.Resources.StockQuoteCaption);
}));
List <string> batch = new List <string>();
foreach (Security s in toFetch)
{
if (string.IsNullOrEmpty(s.Symbol))
{
continue; // skip it.
}
batch.Add(s.Symbol);
}
bool foundService = false;
IStockQuoteService service = GetHistoryService();
HistoryDownloader downloader = GetDownloader(service);
if (service != null)
{
downloader.BeginFetchHistory(batch);
foundService = true;
}
service = GetQuoteService();
if (service != null)
{
foundService = true;
if (service.SupportsBatchQuotes)
{
service.BeginFetchQuotes(batch);
}
else
{
foreach (var item in batch)
{
service.BeginFetchQuote(item);
}
}
}
if (!foundService)
{
AddError(Walkabout.Properties.Resources.ConfigureStockQuoteService);
UiDispatcher.BeginInvoke(new Action(UpdateUI));
}
}
private HistoryDownloader GetDownloader(IStockQuoteService service)
{
if (_downloader == null)
{
_downloader = new HistoryDownloader(service, this._downloadLog);
_downloader.Error += OnDownloadError;
_downloader.HistoryAvailable += OnHistoryAvailable;
}
return(_downloader);
}
public StocksTickerPresenter(
IStocksTickerView view,
IStockQuoteService stockQuoteService)
{
this.view = view;
this.stockQuoteService = stockQuoteService;
this.view.Subscribe += this.OnSubscribe;
this.view.Unsubscribe += this.OnUnsubscribe;
this.view.RefreshEnabledChanged += this.OnRefreshEnabledChanged;
this.refreshTimer = new System.Timers.Timer();
this.refreshTimer.AutoReset = false;
this.refreshTimer.Elapsed += this.OnRefreshTimerElapsed;
this.RefreshInterval = 5; // default refresh interval
this.logger = new NullLogger();
}
public StocksTickerPresenter(
IStocksTickerView view,
IStockQuoteService stockQuoteService)
{
this.view = view;
this.stockQuoteService = stockQuoteService;
this.view.Subscribe += this.OnSubscribe;
this.view.Unsubscribe += this.OnUnsubscribe;
this.view.RefreshEnabledChanged += this.OnRefreshEnabledChanged;
this.refreshTimer = new System.Timers.Timer();
this.refreshTimer.AutoReset = false;
this.refreshTimer.Elapsed += this.OnRefreshTimerElapsed;
this.RefreshInterval = 5; // default refresh interval
this.logger = new NullLogger();
}
private IStockQuoteService GetQuoteService()
{
IStockQuoteService result = null;
foreach (var service in _services)
{
if (service.IsEnabled)
{
if (service.SupportsBatchQuotes)
{
return(service);
}
if (result == null)
{
result = service;
}
}
}
return(result);
}
static void Main(string[] args)
{
ChannelFactory <IStockQuoteService> tcpChanelFactory = new ChannelFactory <IStockQuoteService>("tcpEndpoint");
ChannelFactory <IStockQuoteService> pipeChanelFactory = new ChannelFactory <IStockQuoteService>("pipeEndpoint");
ChannelFactory <IStockQuoteService> httpChanelFactory = new ChannelFactory <IStockQuoteService>("httpEndpoint");
ChannelFactory <IStockQuoteService> wsHttpChanelFactory = new ChannelFactory <IStockQuoteService>("wsHttpEndpoint");
ChannelFactory <IStockQuoteService> ws2007HttpChanelFactory = new ChannelFactory <IStockQuoteService>("ws2007HttpEndpoint");
ChannelFactory <IStockQuoteService> cutomBindingChanelFactory = new ChannelFactory <IStockQuoteService>("customBinding");
//Consuming Two one-way duplex service
waitForResponse = new AutoResetEvent(false);
InstanceContext callBackInstance = new InstanceContext(new Program());
using (StockQuoteDuplexServiceClient client = new StockQuoteDuplexServiceClient(callBackInstance))
{
client.SendQuoteRequest("MSFT");
waitForResponse.WaitOne();
}
//
IStockQuoteService tcpClient = tcpChanelFactory.CreateChannel();
IStockQuoteService pipeClient = pipeChanelFactory.CreateChannel();
IStockQuoteService httpClient = httpChanelFactory.CreateChannel();
IStockQuoteService wsHttpClient = wsHttpChanelFactory.CreateChannel();
IStockQuoteService ws2007HttpClient = ws2007HttpChanelFactory.CreateChannel();
IStockQuoteService customBindingHttpClient = cutomBindingChanelFactory.CreateChannel();
Console.WriteLine("TCP client : {0}", tcpClient.GetQuote("YHOO"));
Console.WriteLine("Pipe client : {0}", pipeClient.GetQuote("YHOO"));
Console.WriteLine("HTTP client : {0}", httpClient.GetQuote("YHOO"));
Console.WriteLine("WS HTTP client : {0}", wsHttpClient.GetQuote("YHOO"));
Console.WriteLine("WS2007 HTTP client : {0}", ws2007HttpClient.GetQuote("YHOO"));
Console.WriteLine("Custom Binding TCP client : {0}", customBindingHttpClient.GetQuote("YHOO"));
StockQuoteResponse.MsMqStarService();
Console.ReadLine();
}
public StocksTickerController(IStockQuoteService service)
{
this.service = service;
}
/// <summary>
/// Initializes this object
/// </summary>
/// <param name="stockQuoteService">The stock quote service</param>
public PriceCalculatorService(IStockQuoteService stockQuoteService)
{
_stockQuoteService = stockQuoteService;
}
public StockAnalyzerService(IStockHoldingService holdingsService, IStockQuoteService stockQuoteService)
{
_holdingsService = holdingsService;
_stockQuoteService = stockQuoteService;
}
public StocksTickerController()
{
this.service = new RandomStockQuoteService();
}
public StockQuoteController(IStockQuoteService stockQuoteService)
{
_stockQuoteService = stockQuoteService;
}
public StocksTickerController(IStockQuoteService service)
{
this.service = service;
}
public StockQuoteController(ILogger <StockQuoteController> logger, IStockQuoteService stockQuoteService)
{
_logger = logger;
_stockQuoteService = stockQuoteService;
}
/// <summary>
/// Initializes a new instance of the <see cref="StockViewModel"/> class.
/// </summary>
/// <param name="stockQuoteService">
/// The stock quote service.
/// </param>
public StockViewModel(IStockQuoteService stockQuoteService)
{
this.stockQuoteService = stockQuoteService;
this.StockQuotes = new ObservableDataSource<Stock>();
}
public StocksTickerController()
{
this.service = new RandomStockQuoteService();
}
public GetStockQuoteFunction(IStockQuoteService stockQuoteService, ILogger <GetStockQuoteFunction> logger)
{
_stockQuoteService = stockQuoteService;
_logger = logger;
}
public MainForm(IPortfolioService portfolioService, IStockQuoteService stockQuoteService)
{
_portfolioService = portfolioService;
_stockQuoteService = stockQuoteService;
InitializeComponent();
}
// backend service implementation gets injected through dependency injection
public StockQuoteFunction(IStockQuoteService stockQuoteServiceClient)
{
_stockQuoteService = stockQuoteServiceClient;
}
/// <summary>
/// Initializes a new instance of the <see cref="StockViewModel"/> class.
/// </summary>
/// <param name="stockQuoteService">
/// The stock quote service.
/// </param>
public StockViewModel(IStockQuoteService stockQuoteService)
{
this.stockQuoteService = stockQuoteService;
this.StockQuotes = new ObservableDataSource <Stock>();
}
public HistoryDownloader(IStockQuoteService service, DownloadLog log)
{
_service = service;
_downloadLog = log;
}
public ChatHub(IStockQuoteService quoteService)
{
_quoteService = quoteService;
}