/// <summary>
/// Subscribes to an <see cref="T:System.IObservable`1"/> using a <see cref="T:SemanticLogging.SignalR.SignalRSink"/>.
///
/// </summary>
/// <param name="eventStream">The event stream. Typically this is an instance of <see cref="T:Microsoft.Practices.EnterpriseLibrary.SemanticLogging.ObservableEventListener"/>.</param><param name="formatter">The formatter.</param><param name="colorMapper">The color mapper instance.</param>
/// <returns>
/// A subscription to the sink that can be disposed to unsubscribe the sink, or to get access to the sink instance.
/// </returns>
public static SinkSubscription <SignalRSink> LogToSignalR(this IObservable <EventEntry> eventStream, IEventTextFormatter formatter = null)
{
var sink = new SignalRSink();
formatter = formatter ?? new EventTextFormatter();
EnsureHostConfigured(sink);
return(new SinkSubscription <SignalRSink>(EventEntryExtensions.SubscribeWithFormatter(eventStream, formatter, sink), sink));
}
private static void EnsureHostConfigured(SignalRSink sink)
{
sink.Startup();
}