/// <summary>
/// Append a new tracer using its type
/// </summary>
public static void Append(Type tracerType)
{
//Validazione argomenti
if (tracerType == null)
{
throw new ArgumentNullException(nameof(tracerType));
}
//Eseguo la generazione del tipo del tracer
object value = Activator.CreateInstance(tracerType);
ITracer instance = value as ITracer;
//Se l'oggetto è nullo, emetto eccezione
if (instance == null)
{
throw new NullReferenceException("Unable to generate a valid " +
$"instance of type '{tracerType.FullName}' that implements interface '{typeof(ITracer).FullName}'.");
}
//Ricerco un tracer dello stesso tipo nella lista
ITracer duplicateTracer = _Tracers.SingleOrDefault(t => t.GetType() == instance.GetType());
//Se già esiste un tracer dello stesso tipo, emetto eccezione
if (duplicateTracer != null)
{
throw new InvalidProgramException("Found " +
$"another tracer of the same type of '{tracerType.FullName}'.");
}
//Aggiungo il tracer alla lista
_Tracers.Add(instance);
}
private static bool HasDifferentTracer(ITracer currentTracer, object newTracer)
{
if (currentTracer == null)
{
return(false);
}
if (currentTracer is ExternalTracerAdapter adapted)
{
return(adapted.Tracer.GetType().Name != newTracer.GetType().Name);
}
return(currentTracer.GetType().Name != newTracer.GetType().Name);
}
private void Run(ITracer tracer, long repeat)
{
var e = new ManualResetEventSlim();
var watch = Stopwatch.StartNew();
for (int i = 1; i <= repeat; i++)
{
var current = i;
Task.Factory.StartNew(() =>
{
tracer.Info(Guid.NewGuid());
if (current == repeat)
e.Set();
});
}
e.Wait();
Console.WriteLine("{0}: {1}", tracer.GetType().Name, watch.ElapsedTicks / repeat);
}
/// <summary>
/// <para>Configures the global default <see cref="ITracer"/> with given instance, which will be returned by all subsequent <see cref="Get"/> calls.</para>
/// <para>By default, this method fails when trying to overwrite a previously configured instance. This behaviour can be changed with <paramref name="canOverwrite"/> parameter.</para>
/// </summary>
/// <exception cref="ArgumentNullException">Provided instance was <c>null</c>.</exception>
/// <exception cref="InvalidOperationException">Attempted to overwrite previously configured instance.</exception>
public static void Configure([NotNull] ITracer tracer, bool canOverwrite = false)
{
if (!canOverwrite && instance != null)
{
throw new InvalidOperationException($"Can't overwrite existing configured implementation of type '{instance.GetType().Name}'.");
}
instance = tracer ?? throw new ArgumentNullException(nameof(tracer));
}