/// <summary>
/// Directly inject messages into actor receive behavior. Any exceptions
/// thrown will be available to you, while still being able to use
/// become/unbecome.
/// </summary>
/// <param name="message">The message.</param>
/// <param name="sender">The sender.</param>
public void Receive(object message, ActorRef sender = null)
{
var cell = Cell;
sender = sender.IsNobody() ? cell.System.DeadLetters : sender;
var envelope = new Envelope { Message = message, Sender = sender };
cell.UseThreadContext(() => cell.ReceiveMessageForTest(envelope));
}
protected virtual void SendUserMessage(object message, ActorRef sender)
{
if(message == null) throw new InvalidMessageException();
var deadLetter = message as DeadLetter;
if(deadLetter != null)
HandleDeadLetter(deadLetter);
else
{
var wasHandled = SpecialHandle(message, sender);
if(!wasHandled)
{
_eventStream.Publish(new DeadLetter(message, sender.IsNobody() ? _provider.DeadLetters : sender, this));
}
}
}
protected virtual bool SpecialHandle(object message, ActorRef sender)
{
var w = message as Watch;
if (w != null)
{
if (w.Watchee == this && w.Watcher != this)
{
w.Watcher.Tell(new DeathWatchNotification(w.Watchee, existenceConfirmed: false, addressTerminated: false));
}
return(true);
}
if (message is Unwatch)
{
return(true); //Just ignore
}
var identify = message as Identify;
if (identify != null)
{
sender.Tell(new ActorIdentity(identify.MessageId, null));
return(true);
}
var sel = message as ActorSelectionMessage;
if (sel != null)
{
var selectionIdentify = sel.Message as Identify;
if (selectionIdentify != null)
{
if (!sel.WildCardFanOut)
{
sender.Tell(new ActorIdentity(selectionIdentify.MessageId, null));
}
}
else
{
_eventStream.Publish(new DeadLetter(sel.Message, sender.IsNobody() ? _provider.DeadLetters : sender, this));
}
return(true);
}
return(false);
}
protected virtual void SendUserMessage(object message, ActorRef sender)
{
if (message == null)
{
throw new InvalidMessageException();
}
var deadLetter = message as DeadLetter;
if (deadLetter != null)
{
HandleDeadLetter(deadLetter);
}
else
{
var wasHandled = SpecialHandle(message, sender);
if (!wasHandled)
{
_eventStream.Publish(new DeadLetter(message, sender.IsNobody() ? _provider.DeadLetters : sender, this));
}
}
}
protected virtual bool SpecialHandle(object message, ActorRef sender)
{
var w = message as Watch;
if(w != null)
{
if(w.Watchee == this && w.Watcher != this)
{
w.Watcher.Tell(new DeathWatchNotification(w.Watchee, existenceConfirmed: false, addressTerminated: false));
}
return true;
}
if(message is Unwatch)
return true; //Just ignore
var identify = message as Identify;
if(identify != null)
{
sender.Tell(new ActorIdentity(identify.MessageId, null));
return true;
}
var sel = message as ActorSelectionMessage;
if(sel != null)
{
var selectionIdentify = sel.Message as Identify;
if(selectionIdentify != null)
{
if(!sel.WildCardFanOut)
sender.Tell(new ActorIdentity(selectionIdentify.MessageId, null));
}
else
{
_eventStream.Publish(new DeadLetter(sel.Message, sender.IsNobody() ? _provider.DeadLetters : sender, this));
}
return true;
}
return false;
}
