/// <summary>
/// Construct an <see cref="Akka.Actor.ActorSelection"/> from the given path, which is
/// parsed for wildcards (these are replaced by regular expressions
/// internally). No attempt is made to verify the existence of any part of
/// the supplied path, it is recommended to send a message and gather the
/// replies in order to resolve the matching set of actors.
/// </summary>
public static ActorSelection ActorSelection(string path, ActorSystem system, IActorRef lookupRoot)
{
var provider = ((ActorSystemImpl)system).Provider;
//no path given
if (string.IsNullOrEmpty(path))
{
return(new ActorSelection(system.DeadLetters, ""));
}
//absolute path
var elements = path.Split('/');
if (elements[0] == "")
{
return(new ActorSelection(provider.RootGuardian, elements.Skip(1)));
}
if (Uri.IsWellFormedUriString(path, UriKind.Absolute))
{
ActorPath actorPath;
if (!ActorPath.TryParse(path, out actorPath))
{
return(new ActorSelection(provider.DeadLetters, ""));
}
var actorRef = provider.RootGuardianAt(actorPath.Address);
return(new ActorSelection(actorRef, actorPath.Elements));
}
return(new ActorSelection(lookupRoot, path));
}
/// <summary>
/// TBD
/// </summary>
/// <param name="path">TBD</param>
/// <returns>TBD</returns>
public IActorRef ResolveActorRef(string path)
{
if (ActorPath.TryParse(path, out var actorPath) && actorPath.Address == _rootPath.Address)
{
return(ResolveActorRef(_rootGuardian, actorPath.Elements));
}
_log.Debug("Resolve of unknown path [{0}] failed. Invalid format.", path);
return(_deadLetters);
}
