コード例 #1
0
        public static QuarterlyConsumptionResult ComputeQuarterlyConsumption
            (QuarterlyConsumptionParameters request)
        {
            var result = new QuarterlyConsumptionResult
            {
                NewReferenceReading = request.StartMeterReading
            };

            var startQuarterNumber = request.StartDate.QuarterNumber();
            var endQuarterNumber   = request.CurrentMessage.Timestamp.QuarterNumber();

            for (int q = startQuarterNumber + 1; q <= endQuarterNumber; q++)
            {
                var quarterDate = DateTimeExtensions.GetQuarterDate(q);
                var reading     = GetIntermediateReading(request, quarterDate);

                result.Quarters.Add(new Tuple <DateTime, decimal>(quarterDate, reading - result.NewReferenceReading));

                result.NewReferenceDate    = quarterDate;
                result.NewReferenceReading = reading;
                result.NewReferenceQuarter = q;
            }

            return(result);
        }
コード例 #2
0
        private static decimal GetIntermediateReading(QuarterlyConsumptionParameters request, DateTime quarterDate)
        {
            if (quarterDate == request.CurrentMessage.Timestamp)
            {
                return(request.CurrentMessage.MeterValue);
            }

            var totalMilliSeconds   = (decimal)(request.CurrentMessage.Timestamp - request.PreviousMessage.Timestamp).TotalMilliseconds;
            var quarterMilliSeconds = (decimal)(quarterDate - request.PreviousMessage.Timestamp).TotalMilliseconds;

            var totalConsumption   = request.CurrentMessage.MeterValue - request.PreviousMessage.MeterValue;
            var quarterConsumption = totalConsumption * (quarterMilliSeconds - totalMilliSeconds);

            return(request.PreviousMessage.MeterValue + quarterConsumption);
        }