public static DevicePayload Create <T>(T device) where T : Device
{
var payload = new DevicePayload();
payload.Properties = Serializer.Serialize(device);
payload.Allowed = device.Allowed;
payload.Transitions = device.Transitions;
payload.Prepare = async(dynamic input) => {
return(await Task.Run(async() => {
await device.Prepare();
return Create(device);
}));
};
payload.SetCreateReadStream = async(dynamic input) => {
var func = (Func <object, Task <object> >)input.fn;
device.SetCreateReadStreamFunction(async(name) => {
var stream = new ObjectStream();
Func <object, Task <object> > onDataFn = async(data) => {
stream.Publish((string)data);
return(await Task.FromResult(0));
};
var fnInput = new { name = name, onData = onDataFn };
await func.Invoke(fnInput);
return(stream);
});
return(await Task.FromResult(0));
};
payload.SetAvailableFunction = async(dynamic input) => {
var func = (Func <object, Task <object> >)input.fn;
device.SetAvailableFunction(async(transition) => {
return((bool)await func.Invoke(new { transition = transition }));
});
return(await Task.FromResult(0));
};
payload.SetCallFunction = async(dynamic input) => {
var func = (Func <object, Task <object> >)input.fn;
device.SetCallFunction(async(transition) => {
try {
//Console.WriteLine("Invoking transition: {0}", transition);
await func.Invoke(new { transition = transition });
} catch (Exception ex) {
if (ex.Message.StartsWith("Error: Machine cannot use transition"))
{
throw new InvalidOperationException(ex.Message);
}
}
});
return(await Task.FromResult(0));
};
var type = typeof(T);
if (!_monitorsCache.ContainsKey(type))
{
_monitorsCache[type] = type.GetProperties().Where((info) => {
return(info.GetCustomAttributes(true)
.Where((attribute) => attribute is MonitorAttribute).Any());
}).Select((info) => info.Name)
.Select((name) => Serializer.Resolver.GetResolvedPropertyName(name)).ToList();
}
payload.Monitors = _monitorsCache[type];
return(payload);
}