/// <summary>Notifies the provider that an observer is to receive notifications.</summary>
/// <returns>A reference to an interface that allows observers to stop receiving notifications before the provider has finished sending them.</returns>
/// <param name="observer">The object that is to receive notifications.</param>
/// <exception cref="System.ArgumentNullException">observer is null.</exception>
public IDisposable Subscribe(IObserver <IEnvelope> observer)
{
if (observer == null)
{
throw new ArgumentNullException("observer");
}
this.ValidateConfiguration();
var flattenFiles = this.files
.SelectMany(PathUtils.FlattenIfNeeded)
.ToArray();
if (flattenFiles.Length == 0)
{
return(Observable.Empty <IEnvelope>()
.SubscribeSafe(observer));
}
IObservable <IEnvelope> observable;
if (this.useSequentialReader)
{
if (this.startTime.HasValue)
{
observable = BinaryEtwObservable.FromSequentialFiles(
this.startTime.Value,
this.endTime.Value,
flattenFiles);
}
else
{
observable = BinaryEtwObservable.FromSequentialFiles(flattenFiles);
}
}
else
{
if (this.startTime.HasValue)
{
observable = BinaryEtwObservable.FromFiles(
this.startTime.Value,
this.endTime.Value,
flattenFiles);
}
else
{
observable = BinaryEtwObservable.FromFiles(flattenFiles);
}
}
return(observable.SubscribeSafe(observer));
}
public static void AddBondEtlFiles(this IPlaybackConfiguration playback, params string[] files)
{
if (playback == null)
{
throw new ArgumentNullException("playback");
}
if (files == null)
{
throw new ArgumentNullException("files");
}
playback.AddInput(() => BinaryEtwObservable.FromFiles(files), typeof(BondJsonEnvelopeTypeMap));
}