private void FillValuesCache()
        {
            var productsList = _productManager.Products;

            foreach (var product in productsList)
            {
                var sensors = _productManager.GetProductSensors(product.Name);
                foreach (var sensor in sensors)
                {
                    var lastVal = _databaseAdapter.GetLastSensorValue(product.Name, sensor.Path);
                    if (lastVal != null)
                    {
                        _valuesCache.AddValue(product.Name, _converter.Convert(lastVal, sensor, product.Name));
                    }
                }
            }
        }