public async Task Become(string behavior)
{
if (IsNull())
{
throw new InvalidOperationException("Initial behavior should be set before calling Become");
}
if (next != null)
{
throw new InvalidOperationException($"Become cannot be called again while behavior configuration is in progress.\n" +
$"Current: {Current}, In-progress: {next.Name}, Offending: {behavior}");
}
if (Current == behavior)
{
throw new InvalidOperationException($"Actor is already behaving as '{behavior}'");
}
if (TimerService.IsExecuting())
{
throw new InvalidOperationException($"Can't switch to '{behavior}' behavior. Switching behaviors from inside timer callback is unsafe. " +
"Use Fire() to send a message and then call Become inside message handler");
}
var action = RegisteredAction(behavior);
next = new CustomBehavior(behavior);
action(actor);
var transition = new Transition(current, next);
try
{
await actor.OnTransitioning(transition);
await current.HandleDeactivate(transition);
await current.HandleUnbecome(transition);
current = next;
await current.HandleBecome(transition);
next = null; // now become could be re-entered ...
await current.HandleActivate(transition);
// ... and we can signal about successful transition
await actor.OnTransitioned(transition);
}
catch (Exception exception)
{
await actor.OnTransitionFailure(transition, exception);
actor.Activation.DeactivateOnIdle();
ExceptionDispatchInfo.Capture(exception).Throw();
}
}
public async Task <object> Fire(object message)
{
Requires.NotNull(message, nameof(message));
if (TimerService.IsExecuting() || mocked)
{
RequestOrigin.Store(Current);
return(await actor.Self.Ask <object>(message));
}
return(await HandleReceive(message, new RequestOrigin(Current)));
}
public async Task Become(string behavior)
{
if (IsNull())
{
throw new InvalidOperationException("Initial behavior should be set before calling Become");
}
if (next != null)
{
throw new InvalidOperationException($"Become cannot be called again while behavior configuration is in progress.\n" +
$"Current: {Current}, In-progress: {next.Name}, Offending: {behavior}");
}
if (Current == behavior)
{
throw new InvalidOperationException($"Actor is already behaving as '{behavior}'");
}
if (TimerService.IsExecuting())
{
throw new InvalidOperationException($"Can't switch to '{behavior}' behavior. Switching behaviors from inside timer callback is unsafe. " +
"Use Fire() to send a message and then call Become inside message handler");
}
var action = RegisteredAction(behavior);
next = new CustomBehavior(behavior);
action(actor);
var transition = new Transition(current, next);
await current.HandleDeactivate(transition);
await current.HandleUnbecome(transition);
current = next;
await current.HandleBecome(transition);
if (onBecome != null)
{
await onBecome(transition.To.Name, transition.From.Name);
}
next = null; // now become could be re-entered
await current.HandleActivate(transition);
}