private bool Handle(Shared.Messages.Command command)
{
// create a command handling actor instance if needed and then
// forward the command
var childActorId = GetHashMapping(command);
var child = Context.Child(childActorId);
if (child == ActorRefs.Nobody)
{
child = Context.ActorOf(Props.Create <CommandHandlerWorkerActor>(_writer), childActorId);
}
// check for stop, poisonpill, kill, gracefulstop commands..
// It's responsibility of this Actor to manage its children
switch (command)
{
case StopCommand cmd:
Context.Stop(child);
return(true);
case PoisonPillCommand cmd:
child.Tell(PoisonPill.Instance);
return(true);
case KillCommand cmd:
child.Tell(Kill.Instance);
return(true);
case GracefulStopCommand cmd:
try
{
var gracefulStop = child.GracefulStop(TimeSpan.FromSeconds(5));
gracefulStop.Wait();
ColoredConsole.WriteLineGreen("GracefulStop completed");
}
catch (AggregateException ex)
{
// the GracefulStop can fail if it cannot complete within the specified TimeSpan.
// The Task will be cancelled.
ColoredConsole.WriteLineYellow($"GracefulStop failed, exception: {ex}");
}
return(true);
}
// child.Tell(command);
child.Forward(command);
return(true);
}
private static string GetHashMapping(Shared.Messages.Command command)
{
return(command.Context.UserId);
}
