/// <summary>
/// Create a new Demand object.
/// </summary>
/// <param name="id">Initial value of the Id property.</param>
/// <param name="fulfilled">Initial value of the Fulfilled property.</param>
/// <param name="dateTime">Initial value of the DateTime property.</param>
public static Demand CreateDemand(global::System.Int32 id, global::System.Boolean fulfilled, global::System.DateTime dateTime)
{
Demand demand = new Demand();
demand.Id = id;
demand.Fulfilled = fulfilled;
demand.DateTime = dateTime;
return demand;
}
/// <summary>
/// Deprecated Method for adding a new object to the Demands EntitySet. Consider using the .Add method of the associated ObjectSet<T> property instead.
/// </summary>
public void AddToDemands(Demand demand)
{
base.AddObject("Demands", demand);
}
private static void GenerateDemands(string cfgName, ProgressWindow progress)
{
try
{
Logger.LogInfo("Adding demand pool...");
using (var ctx = new CityContainer())
{
var cfg = ctx.Configurations.Single(c => c.Name == cfgName);
var peopleInConfiguration =
ctx.People.Where(p => p.Address.District.Configuration.Name == cfgName).OrderBy(o => o.Id);
//poi types from poi list (not configuration) because some poi types might be missing (not found)
var poiTypeCollections = ctx.Pois.Select(p => p.Type);
var poiSet = new HashSet<PoiType>();
foreach (var poiTypeCollection in poiTypeCollections)
foreach (var poiType in poiTypeCollection)
poiSet.Add(poiType);
var statisticalData = new StatisticalData();
var totalDays = cfg.SimulationEndDate.Subtract(cfg.SimulationStartDate).Days + 1;
var totalPeople = peopleInConfiguration.Count();
var demandsPerDay = (int) (totalPeople * cfg.PersonDemandsPerDay);
var totalDemands = totalDays * demandsPerDay;
for (var dayNr = 0; dayNr < totalDays; dayNr++)
{
var currentDate = cfg.SimulationStartDate.AddDays(dayNr);
for (var demandNr = 0; demandNr < demandsPerDay; demandNr++)
{
if (progress.Worker.CancellationPending)
{
progress.Args.Cancel = true;
_simulationCancelled = true;
return;
}
var randomPersonIndex = Random.Next(0, totalPeople);
var person = peopleInConfiguration.Skip(randomPersonIndex).First();
var demandDateTime = currentDate
.AddHours(Random.Next(0, 24))
.AddMinutes(Random.Next(0, 60))
.AddSeconds(Random.Next(0, 60));
var demand = new Demand
{
Person = person,
DateTime = demandDateTime,
PoiType = statisticalData.TakePoiByDistribution(poiSet)
};
ctx.Demands.AddObject(demand);
++progress.Current;
progress.InvokeUpdate(totalDemands, GeneratingDemandsMsg);
}
}
progress.InvokeUpdate(totalDemands, GeneratingDemandsMsg + PersistingMsg);
ctx.SaveChanges(); // Persist after each day.
}
Logger.LogInfo("Demands pool added.");
}
catch(Exception e1)
{
Logger.LogInfo(e1.Message);
}
}
