} // quality of the solar cell
// creates and returns a new solar cell object with random properties
public void GetRandomSolarCellProperties(SolarCell randomSolarCell, Random randomNumber)
{
randomSolarCell.ProductionTime = randomNumber.Next(5, 121); // assign random time between 5 and 120 seconds as production time
randomSolarCell.Pmpp = 5.5 * Math.Pow(Math.Abs(Math.Sqrt(-2.0 * Math.Log((1 - randomNumber.NextDouble()))) * Math.Sin(2.0 * Math.PI * (1.0 - randomNumber.NextDouble()))), 0.03); // box müller standard deviated random number
if (randomSolarCell.Pmpp > 5.1) // assign quality value depending on pmpp of cell
{
randomSolarCell.Quality = "A";
}
else
{
if (randomSolarCell.Pmpp > 4.8)
{
randomSolarCell.Quality = "B";
}
else
{
randomSolarCell.Quality = "C";
}
}
}
static void Main(string[] args)
{
try
{
// load configuration from xml document
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(AppDomain.CurrentDomain.BaseDirectory + "Configuration.xml");
// get settings from xml file
XmlNodeList productionLines = xmlDoc.SelectNodes("//configuration/lines/line"); // list of production lines
int days = Convert.ToInt32(xmlDoc.SelectSingleNode("//configuration/days").Attributes["days"].Value); // number of days
Random randomNumber = new Random(); // initialize random numbers
SolarCell solarCellObject = new SolarCell(); // create new solarCell object
// create log file
foreach (XmlNode productionLine in productionLines) // loop through all production machines
{
for (int i = 0; i < days; i++) // loop through all days
{
string FilePath = AppDomain.CurrentDomain.BaseDirectory + "\\logFiles\\" + productionLine.Attributes["line"].Value;
System.IO.Directory.CreateDirectory(FilePath); // create path if it doesnt exist
string FilePathAndName = FilePath + "\\" + DateTime.Today.AddDays(-i).ToString("yyyyMMdd") + ".txt";
if (!System.IO.File.Exists(FilePathAndName))
{
System.IO.StreamWriter objFileWriter = new System.IO.StreamWriter(FilePathAndName, false); // create new file writer object
DateTime timestamp = new DateTime(DateTime.Today.Year, DateTime.Now.Month, DateTime.Now.AddDays(-i).Day, 0, 0, 0);
while (timestamp < DateTime.Today.AddDays(1 - i)) // loop until next day is reached
{
solarCellObject.GetRandomSolarCellProperties(solarCellObject, randomNumber); // create new solar cell with random metadata
objFileWriter.Write("\n" + timestamp.ToString() + ";" + solarCellObject.Pmpp + ";" + solarCellObject.Quality); // append string to file
timestamp = timestamp.AddSeconds(solarCellObject.ProductionTime); // add production time to timestamp
}
objFileWriter.Close(); // close file writer
}
}
}
}
catch (Exception ex) { LoggToFile.AppendStringToLogFile("EXCEPTION || Message: " + ex.Message + " || StackTrace: " + ex.StackTrace); }
}