public TestModule(TestTwin defaultTwin = null)
{
Twin.SetDefault(defaultTwin ?? _defaultTwin);
Twin.Subscribe(async twin =>
{
Logger.LogInformation("Twin update");
await Twin.ReportAsync(twin);
return(TwinResult.Ok);
});
}
public TemperatureSensor()
{
_startTimeStamp = DateTime.Now;
Twin.Subscribe(async twin =>
{
Logger.LogInformation("Twin update");
ConfigureGenerator(twin);
await Twin.ReportAsync(twin);
return(TwinResult.Ok);
});
}
public ModelTraining(IOrchestrator proxy)
{
var sample = new Queue <Temperature>();
Twin.Subscribe(async twin =>
{
Logger.LogInformation("Twin update");
lock (_sync)
{
_aggregationSize = twin.AggregationSize;
_tumblingWindowPercentage = twin.TumblingWindowPercentage;
}
await Twin.ReportAsync(twin);
return(TwinResult.Ok);
});
proxy.Training.Subscribe(this, async signal =>
{
Model model = null;
lock (sample)
{
sample.Enqueue(signal);
if (sample.Count >= _aggregationSize)
{
var kMeansTraining = new KMeansTraining(_numClusters);
kMeansTraining.TrainModel(sample.Select(e => new[] { e.TimeStamp, e.Value }).ToArray());
model = new Model
{
Algorithm = Algorithm.kMeans,
DataJson = kMeansTraining.SerializeModel()
};
for (var i = 0; i < _tumblingWindowPercentage * _aggregationSize / 100; i++)
{
sample.Dequeue();
}
}
}
if (model != null)
{
await Model.PublishAsync(model).ConfigureAwait(false);
}
return(MessageResult.Ok);
});
}
//this is a temp depedency, until we get the feature extraction module
public Orchestrator(ITemperatureSensor temperatureProxy, IModelTraining trainerProxy)
{
temperatureProxy.Temperature.Subscribe(this, async signal =>
{
OrchestratorTwin twin;
lock (_twinLock)
{
twin = _lastTwin;
}
if (twin == null)
{
return(MessageResult.Ok);
}
if (twin.Scale == TemperatureScale.Celsius)
{
signal.Value = signal.Value * 9 / 5 + 32;
}
await BroadcastMessage(signal, twin);
return(MessageResult.Ok);
});
trainerProxy.Model.Subscribe(this, async model =>
{
Logger.LogInformation(
$"New Trained Model for {model.Algorithm}. Updating the model in {model.Algorithm}");
await Model.PublishAsync(model);
return(MessageResult.Ok);
});
Twin.Subscribe(async twin =>
{
lock (_twinLock)
{
_lastTwin = twin;
}
Logger.LogInformation($"Twin update. Routing = {twin.RoutingMode.ToString()}");
await Twin.ReportAsync(twin);
return(TwinResult.Ok);
});
}