public void ActivityImportExport()
{
using (DiagnosticListener listener = new DiagnosticListener("TestingBasicIsEnabled"))
{
DiagnosticSource source = listener;
var result = new List <KeyValuePair <string, object> >();
bool seenPredicate = false;
Func <string, object, object, bool> predicate = delegate(string name, object obj1, object obj2)
{
seenPredicate = true;
return(true);
};
Activity importerActivity = new Activity("activityImporter");
object importer = "MyImporterObject";
bool seenActivityImport = false;
Action <Activity, object> activityImport = delegate(Activity activity, object payload)
{
Assert.Equal(activity.GetHashCode(), importerActivity.GetHashCode());
Assert.Equal(importer, payload);
seenActivityImport = true;
};
Activity exporterActivity = new Activity("activityExporter");
object exporter = "MyExporterObject";
bool seenActivityExport = false;
Action <Activity, object> activityExport = delegate(Activity activity, object payload)
{
Assert.Equal(activity.GetHashCode(), exporterActivity.GetHashCode());
Assert.Equal(exporter, payload);
seenActivityExport = true;
};
// Use the Subscribe that allows you to hook the OnActivityImport and OnActivityExport calls.
using (listener.Subscribe(new ObserverToList <TelemData>(result), predicate, activityImport, activityExport))
{
if (listener.IsEnabled("IntPayload"))
{
listener.Write("IntPayload", 5);
}
Assert.True(seenPredicate);
Assert.Equal(1, result.Count);
Assert.Equal("IntPayload", result[0].Key);
Assert.Equal(5, result[0].Value);
listener.OnActivityImport(importerActivity, importer);
Assert.True(seenActivityImport);
listener.OnActivityExport(exporterActivity, exporter);
Assert.True(seenActivityExport);
}
}
}
private void Handle(CommandStartedEvent @event)
{
var activity = new Activity(ActivityName);
_diagnosticListener.OnActivityExport(activity, @event);
if (_diagnosticListener.IsEnabled(ActivityStartEventName, @event))
{
_diagnosticListener.StartActivity(activity, @event);
}
else
{
activity.Start();
}
_activityMap.TryAdd(@event.RequestId, activity);
}