public async Task pop_behavior_should_restore_pushed_behavior()
{
var behavior = new Behavior();
behavior.Become(ctx =>
{
if (ctx.Message is string)
{
behavior.BecomeStacked(ctx2 =>
{
ctx2.Respond(42);
behavior.UnbecomeStacked();
return(Actor.Done);
});
ctx.Respond(ctx.Message);
}
return(Actor.Done);
});
PID pid = SpawnActorFromFunc(behavior.ReceiveAsync);
var reply = await Context.RequestAsync <string>(pid, "number");
var replyAfterPush = await Context.RequestAsync <int>(pid, null);
var replyAfterPop = await Context.RequestAsync <string>(pid, "answertolifetheuniverseandeverything");
Assert.Equal("number42answertolifetheuniverseandeverything", $"{reply}{replyAfterPush}{replyAfterPop}");
}
async Task <object> DoReceive(object message)
{
// any "global" message handling here
switch (message)
{
case Activate _:
await LoadState();
return(Done);
case HitWithHammer _ when behavior.Current.Name != nameof(Smashed):
await behavior.BecomeStacked(Smashed);
return("Smashed!");
case Deactivate _:
Console.WriteLine("Deactivated");
await Task.Delay(2000);
return("");
}
// if not handled, use behavior specific
return(await behavior.Receive(message));
}
public Task ReceiveAsync(IContext context)
{
switch (context.Message)
{
case Suspend _:
_behavior.BecomeStacked(ResumeAsync);
Console.WriteLine("Stacked");
return(Actor.Done);
}
return(_behavior.ReceiveAsync(context));
}
Task Running(IContext context)
{
switch (context.Message)
{
case (Outbound, _): {
context.Forward(context.Parent);
return(Done);
}
case (Inbound, RawFrame frame)when frame.Type == FrameType.Heartbeat: {
context.Forward(_state.HeartbeatAgent);
return(Done);
}
case ConnectionConfiguration connectionConfiguration: {
_state.ConnectionConfiguration = connectionConfiguration;
return(Done);
}
case (Inbound, ConnectionStart message): {
_state.HandshakeAgent = context.SpawnNamed(
name: "handshake",
props: Props.FromProducer(() => new HandshakeAgent(_state.ConnectionConfiguration))
.WithContextDecorator(context => new LoggingContextDecorator(context))
);
context.Forward(_state.HandshakeAgent);
_behaviour.BecomeStacked(AwaitHandshake);
return(Done);
}
case (Inbound, ConnectionClose message): {
context.Send(context.Parent, (Outbound, new ConnectionCloseOk()));
context.Self.Stop();
return(Done);
}
}
return(Done);
}
async Task BecomeStacked(Receive other) => await Switch(() => behavior.BecomeStacked(other));
public LightBulb()
{
_behavior = new Behavior();
//把Off方法放入栈
_behavior.BecomeStacked(Off);
}