public PrepareMeatMethod1()
{
SubTasks.Add(ExampleDomain.Instance.GetTask(DefinedTaskEnum.EatMeatTask));
SubTasks.Add(ExampleDomain.Instance.GetTask(DefinedTaskEnum.MoveToTask));
PreConditions.Add(ExampleDomain.Instance.GetPreCondition(DefinedPreConditionEnum.EatMeatPreCondition));
}
public JsonResult ApiCreateSubTask(int taskID, string name, string description)
{
SubTasks subTask = new SubTasks();
subTask.Name = name;
subTask.Description = description;
subTask.Status = _context.taskStatuses.First(s => s.Name == "Incomplete");
var project = _context.projects.Where(p => p.Tasks.First(t => t.ID == taskID).ID == taskID).Include(pt => pt.Tasks).ThenInclude(pt => pt.SubTasks);
//Add the newly created projTask to the database
_context.subTasks.Add(subTask);
//Add the projTask to the project within the database
project.First().Tasks.First(st => st.ID == taskID).SubTasks.Add(subTask);
_context.SaveChanges();
var data = new
{
stID = subTask.ID
};
return(Json(data));
}
public static List <SubTasks> getSubTasks(int taskId)
{
List <SubTasks> subTasks = new List <SubTasks>();
using (SqlConnection con = new SqlConnection(connectionString))
{
string query = @"Select Id,SubTaskName,SubTaskDescription,SubTaskDate,TaskId from SubTasks where TaskId = @taskId";
SqlCommand cmd = new SqlCommand(query, con);
cmd.Parameters.AddWithValue("@taskId", taskId);
con.Open();
using (SqlDataReader reader = cmd.ExecuteReader())
{
while (reader.Read())
{
SubTasks subtaski = new SubTasks();
subtaski.Id = Convert.ToInt32(reader["Id"]);
subtaski.SubTaskName = reader["SubTaskName"].ToString();
subtaski.SubTaskDescription = reader["SubTaskDescription"].ToString();
subtaski.SubTaskDate = Convert.ToDateTime(reader["SubTaskDate"]);
subtaski.TaskId = Convert.ToInt32(reader["TaskId"]);
subTasks.Add(subtaski);
}
}
con.Close();
}
return(subTasks);
}
public Task AddSubTask(Task task)
{
task.ParentId = Id;
SubTasks.Add(task);
return(this);
}
public Task UpdateSubTask(Task task)
{
SubTasks.Remove(task);
task.ParentId = Id;
SubTasks.Add(task);
return(this);
}
public static void Main(string[] args)
{
Tasks tasks = new Tasks();
SubTasks subTasks = new SubTasks(tasks);
while (true)
{
Thread.Sleep(1000);
tasks.Warn();
}
}
public static void Main(string[] args)
{
Tasks tasks = new Tasks();
SubTasks s = new SubTasks(tasks);
int i = 20;
while (i-- >= 0)
{
tasks.Warn();
Thread.Sleep(1000);
}
}
/// <summary>
/// Gets the tasks statistics.
/// </summary>
/// <param name="tasks">The tasks.</param>
public void GetTasksStatistics(List <TaskStatistics> tasks)
{
if (!_isStarted)
{
return;
}
var thisTask = new TaskStatistics
{
TaskName = Name,
FinishedAt = EndTime,
ElapsedTime = ElapsedTime.TotalMinutes
};
tasks.Add(thisTask);
SubTasks.ForEach(item => item.GetTasksStatistics(tasks));
}
public static bool AddSubTask(SubTasks subTask)
{
using (SqlConnection con = new SqlConnection(connectionString))
{
subTask.SubTaskDate = DateTime.Now;
string query = @"Insert into SubTasks(SubTaskName,SubTaskDescription,SubTaskDate,TaskId) values (@subtaskName,@subtaskDescription,@subtaskDate,@taskId)";
SqlCommand cmd = new SqlCommand(query, con);
cmd.Parameters.AddWithValue("@subtaskName", subTask.SubTaskName);
cmd.Parameters.AddWithValue("@subtaskDescription", subTask.SubTaskDescription);
cmd.Parameters.AddWithValue("@subtaskDate", subTask.SubTaskDate);
cmd.Parameters.AddWithValue("@taskId", subTask.TaskId);
con.Open();
cmd.ExecuteNonQuery();
con.Close();
}
return(true);
}
public static void Main()
{
Task t1 = new Task("Wash the dishes", System.DateTime.Today);
Task t2 = new Task("Do my homework", System.DateTime.Today);
Task t3 = new Task("Clean my bedroom", System.DateTime.Today);
Tasks tasks = new Tasks(t1, t2, t3);
SubTasks subTasts = new SubTasks(tasks);
System.Threading.Tasks.Task task1 = System.Threading.Tasks.Task.Run(() => tasks.warn(new TaskEventArgs(t1.Description, t1.DueDate - System.DateTime.Today)));
System.Threading.Tasks.Task task2 = System.Threading.Tasks.Task.Run(() => tasks.warn(new TaskEventArgs(t2.Description, t2.DueDate - System.DateTime.Today)));
System.Threading.Tasks.Task task3 = System.Threading.Tasks.Task.Run(() => tasks.warn(new TaskEventArgs(t3.Description, t3.DueDate - System.DateTime.Today)));
//task1.Wait(1000);
task2.Wait(1000);
task3.Wait(1000);
}
/// <summary>
/// Serializes this instance.
/// </summary>
public virtual void Serialize()
{
if (!_isStarted)
{
return;
}
TimeSpan elapsed = EndTime.Subtract(StartTime);
Logger.Info(".......................................");
Logger.Info(string.Format("{0,-18} : {1}", "Task Name", Name));
if (!ShowOnlyElapsedTime)
{
Logger.Info(string.Format("{0,-18} : {1}", "Start Time", StartTime.ToLongTimeString()));
Logger.Info(string.Format("{0,-18} : {1}", "End Time", EndTime.ToLongTimeString()));
}
Logger.Info(string.Format("{0,-18} : {1} ms", "Elapsed Time", elapsed.TotalMilliseconds));
Fields.ForEach(item =>
{
if (null != item)
{
Logger.Info(string.Format("{0,-18} : {1}", item.Name, item.Value));
}
}
);
SerializeMessages();
if (SyncLogger.EnableReportLog)
{
// Serialize the logs for Test Reports
string reportLog = string.Format("{0,-40} | {1,-12} | {2,-12} | {3,-12}", Name,
StartTime.ToLongTimeString(),
EndTime.ToLongTimeString(),
elapsed.TotalMilliseconds);
ReportLog.Dump(reportLog);
}
SubTasks.ForEach(item => item.Serialize());
}
public bool IsValid()
{
return(!string.IsNullOrEmpty(Name) &&
!string.IsNullOrEmpty(Title) &&
!string.IsNullOrEmpty(Description) &&
Uri.IsWellFormedUriString(Url.ToString(), UriKind.RelativeOrAbsolute) &&
Uri.IsWellFormedUriString(ParentStoryUrl.ToString(), UriKind.RelativeOrAbsolute) &&
KeyIdentifiers != null &&
KeyIdentifiers.Any() ? KeyIdentifiers.All(s => s.IsValid()) : true &&
TestCases != null &&
TestCases.Any() ? TestCases.All(s => s.IsValid()) : true &&
Checkups != null &&
Checkups.Any() ? Checkups.All(s => s.IsValid()) : true &&
Attachments != null &&
Attachments.Any() ? Attachments.All(s => Uri.IsWellFormedUriString(s.Value, UriKind.RelativeOrAbsolute)) : true &&
Queries != null &&
Queries.Any() ? Queries.All(s => Uri.IsWellFormedUriString(s.Value, UriKind.RelativeOrAbsolute)) : true &&
Scripts != null &&
Scripts.Any() ? Scripts.All(s => Uri.IsWellFormedUriString(s.Value, UriKind.RelativeOrAbsolute)) : true &&
SubTasks.Any() ? SubTasks.All(s => s.IsValid()) : true);
}
public TaskController()
{
User andrea = new User()
{
FirstName = "Andrea",
LastName = "Markovski",
Age = 35,
AverageFreeTime = 10,
};
Tasks task_01 = new Tasks()
{
Title = "Homework01",
Description = "MVC",
Priority = Priority.Important,
Status = Status.NotDone,
Type = Type.Work,
};
SubTasks subtask_01 = new SubTasks()
{
Title = "SubTask01",
Description = "SubTask01-Description",
Status = Status.NotDone,
};
SubTasks subtask_02 = new SubTasks()
{
Title = "SubTask02",
Description = "SubTask02-Description",
Status = Status.NotDone,
};
task_01.SubTasks.Add(subtask_01);
task_01.SubTasks.Add(subtask_02);
_Andrea = andrea;
}
/// <summary>
/// Update the Status of a Task when one of its Substaks changes its Status
/// When a task is Semi-done, will put a minus sign on its CheckBox
/// EDIT: Will use the default windows style that puts a little box in the checkbox
/// </summary>
private void UpdateTaskStatus()
{
//If at least one subtask is Done, then the task is semidone
if (SubTasks.Any(task => task.Status == TaskStatus.Done) && SubTasks.Any(task => task.Status != TaskStatus.Done))
{
this.Status = TaskStatus.SemiDone;
}
else
{
if (SubTasks.All(task => task.Status == TaskStatus.Done))
{
this.Status = TaskStatus.Done;
}
;
if (SubTasks.All(task => task.Status == TaskStatus.NotDone))
{
this.Status = TaskStatus.NotDone;
}
if (SubTasks.All(task => task.Status == TaskStatus.SemiDone))
{
this.Status = TaskStatus.SemiDone;
}
}
}
public bool RemoveSubTask(ToDoTask task)
{
return(SubTasks.Remove(task));
}
public void AddSubTask(string taskName, string description, DateTimeOffset targetCompletion)
{
SubTasks.Add(new ToDoTask(taskName, description, targetCompletion, TaskId));
}
private void DeleteSubTask(SubTask obj)
{
SubTasks.Remove(obj);
subTaskRepository.Delete(obj.Id);
}
public void AddSubTask(Issue issue)
{
SubTasks.Add(new JIssue(issue));
}
public void AddSubTask(JIssue issue)
{
SubTasks.Add(issue);
}
public override void Work()
{
//获取求解设置
decimal terminalFactor = _ctx.GetParameter("TerminalFactor", 0.001m);
int iteration = _ctx.GetParameter("Iteration", 10);
int resolution = _ctx.GetParameter("Resolution", 60);
decimal initMultipler = _ctx.GetParameter("InitMultiper", 0.1m);
string objectiveType = _ctx.GetParameter("ObjectiveType", "");
// 相对-绝对时间转化器
DiscreteTimeAdapter adapter
= new DiscreteTimeAdapter(_ctx.StartTime, _ctx.EndTime, resolution);
// 路径集
Dictionary <CustomerArrival, List <TravelPath> > pathDict
= new Dictionary <CustomerArrival, List <TravelPath> >();
#region 建立初始网络，搜索可行路径
//目标函数网络
var objgraph = ObjectNetworkFactory.Create(objectiveType, _ctx, adapter); //new ObjectTravelHyperNetwork(_ctx, adapter);
objgraph.Build();
//基础网络
var basicGraph = new BasicTravelHyperNetwork(_ctx, adapter);
basicGraph.Build();
SubTasks.Clear();
foreach (CustomerArrival customer in _ctx.Pal)
{
Task ta = factory.StartNew(() =>
{
var ori = (_ctx.Wor.Mar[customer.Customer.MarSegID] as IRailwayMarketSegment).OriSta;
var des = (_ctx.Wor.Mar[customer.Customer.MarSegID] as IRailwayMarketSegment).DesSta;
var paths = DepthFirstSearcher.FindAllPaths(basicGraph,
new TravelHyperNode()
{
Time = adapter.ConvertToDiscreteTime(customer.ArriveTime), Station = ori, Price = 0
},
new TravelHyperNode()
{
Time = adapter.Horizon + 1440, Station = des, Price = 0
});
pathDict.Add(customer, new List <TravelPath>());
foreach (var path in paths)
{
pathDict[customer].Add(new TravelPath(basicGraph, path));
}
});
SubTasks.Add(ta);
}
Task.WaitAll(SubTasks.ToArray());
#endregion
#region 构建对偶问题 with CPLEX
Cplex model = new Cplex();
model.SetOut(null);
INumVar theta = model.NumVar(double.MinValue, double.MaxValue); //θ
model.AddMaximize(theta);
Dictionary <IServiceSegment, INumVar> dual_rho = _ctx.Wor.RailwayTimeTable.Trains
.SelectMany(i => i.ServiceSegments).ToDictionary(i => i, i =>
model.NumVar(0, double.MaxValue));
Dictionary <CustomerArrival, Dictionary <TravelPath, INumVar> > dual_mu =
new Dictionary <CustomerArrival, Dictionary <TravelPath, INumVar> >();
foreach (CustomerArrival customer in _ctx.Pal)
{
dual_mu.Add(customer, new Dictionary <TravelPath, INumVar>());
foreach (var path in pathDict[customer])
{
dual_mu[customer].Add(path, model.NumVar(0, double.MaxValue));
}
}
Dictionary <IEdge <TravelHyperNode>, INumVar> dual_lambda =
new Dictionary <IEdge <TravelHyperNode>, INumVar>();
foreach (CustomerArrival customer in _ctx.Pal)
{
foreach (var path in pathDict[customer])
{
if (!dual_lambda.ContainsKey(path.ReservationArc))
{
dual_lambda.Add(path.ReservationArc, model.NumVar(0, double.MaxValue));
}
}
}
#endregion
#region 变量与乘子
//决策变量 x
Dictionary <CustomerArrival, TravelPath> x
= new Dictionary <CustomerArrival, TravelPath>();
foreach (CustomerArrival customer in _ctx.Pal)
{
x.Add(customer, new TravelPath());
}
//决策变量 w
Dictionary <ITrainTrip, Dictionary <IRailwayStation, PricePath> > w
= new Dictionary <ITrainTrip, Dictionary <IRailwayStation, PricePath> >();
foreach (var train in _ctx.Wor.RailwayTimeTable.Trains)
{
w.Add(train, new Dictionary <IRailwayStation, PricePath>());
foreach (var sta in _ctx.Wor.Net.StationCollection)
{
w[train].Add(sta, null);
}
}
//辅助变量 y
//记录每条弧在当前w的取值下是否可行(available)，值为true = 可行；false = 不可行
//超出了y记录的reservation arc 不会有人走
Dictionary <IEdge <TravelHyperNode>, bool> y
= new Dictionary <IEdge <TravelHyperNode>, bool>();
foreach (var p in pathDict.Values.SelectMany(i => i))
{
if (p.ReservationArc != null && !y.ContainsKey(p.ReservationArc))
{
y.Add(p.ReservationArc, false);
}
}
//拉格朗日乘子 rho
Dictionary <IServiceSegment, decimal> LM_rho = _ctx.Wor.RailwayTimeTable.Trains
.SelectMany(i => i.ServiceSegments).ToDictionary(i => i, i => initMultipler);
//拉格朗日乘子 rho 迭代方向
Dictionary <IServiceSegment, decimal> Grad_rho = _ctx.Wor.RailwayTimeTable.Trains
.SelectMany(i => i.ServiceSegments).ToDictionary(i => i, i => initMultipler);
//拉格朗日乘子 mu
Dictionary <CustomerArrival, Dictionary <TravelPath, decimal> > LM_mu
= new Dictionary <CustomerArrival, Dictionary <TravelPath, decimal> >();
foreach (CustomerArrival customer in _ctx.Pal)
{
LM_mu.Add(customer, new Dictionary <TravelPath, decimal>());
foreach (var path in pathDict[customer])
{
LM_mu[customer].Add(path, initMultipler);
}
}
//拉格朗日乘子 mu 迭代方向
Dictionary <CustomerArrival, Dictionary <TravelPath, decimal> > Grad_mu
= new Dictionary <CustomerArrival, Dictionary <TravelPath, decimal> >();
foreach (CustomerArrival customer in _ctx.Pal)
{
Grad_mu.Add(customer, new Dictionary <TravelPath, decimal>());
foreach (var path in pathDict[customer])
{
Grad_mu[customer].Add(path, initMultipler);
}
}
//拉格朗日乘子 lambda
Dictionary <IEdge <TravelHyperNode>, decimal> LM_lambda = new Dictionary <IEdge <TravelHyperNode>, decimal>();
//WARNING: 这里缺少了没有旅客选择的reservation arc
foreach (CustomerArrival customer in _ctx.Pal)
{
foreach (var path in pathDict[customer])
{
if (!LM_lambda.ContainsKey(path.ReservationArc))
{
LM_lambda.Add(path.ReservationArc, initMultipler);
}
}
}
//拉格朗日乘子 lambda 迭代方向
Dictionary <IEdge <TravelHyperNode>, decimal> Grad_lambda = new Dictionary <IEdge <TravelHyperNode>, decimal>();
foreach (CustomerArrival customer in _ctx.Pal)
{
foreach (var path in pathDict[customer])
{
if (!Grad_lambda.ContainsKey(path.ReservationArc))
{
Grad_lambda.Add(path.ReservationArc, initMultipler);
}
}
}
#endregion
decimal bigM1 = pathDict.Max(i => i.Value.Max(j => basicGraph.GetPathCost(j)));
decimal bigM2 = _ctx.Pal.Count();
decimal bigM = Math.Max(bigM1, bigM2);
decimal lowerBound = decimal.MinValue;
decimal upperBound = decimal.MaxValue;
bool flag = false;//对偶问题有解
PrintIterationInfo($"Iteration Number, Lower Bound, Upper Bound, Best Lower Bound, Best Upper Bound, Total Gap(%) ");
for (int iter = 0; iter < iteration; iter++)
{
Log($"--------------第{iter}轮求解开始--------------");
bool hasFeasibleSolution = true;
#region 求解LR问题
SubTasks.Clear();
foreach (CustomerArrival customer in _ctx.Pal)// 求解x
{
Task ta = factory.StartNew(() =>
{
var graph = new LRxTravelHyperNetwork(_ctx, adapter, objgraph, customer, pathDict, LM_rho, LM_mu, LM_lambda);
graph.Build();
var ori = (_ctx.Wor.Mar[customer.Customer.MarSegID] as IRailwayMarketSegment).OriSta;
var des = (_ctx.Wor.Mar[customer.Customer.MarSegID] as IRailwayMarketSegment).DesSta;
DijkstraShortestPaths <DirectedWeightedSparseGraph <TravelHyperNode>, TravelHyperNode> dijkstra
= new DijkstraShortestPaths <DirectedWeightedSparseGraph <TravelHyperNode>, TravelHyperNode>(graph, new TravelHyperNode()
{
Time = adapter.ConvertToDiscreteTime(customer.ArriveTime),
Station = ori,
Price = 0
}); //考虑该旅客到达时间
x[customer] = new TravelPath(graph, dijkstra.ShortestPathTo(
new TravelHyperNode()
{
Time = adapter.Horizon + 1440,
Station = des,
Price = 0
}));
});
SubTasks.Add(ta);
}
foreach (var train in _ctx.Wor.RailwayTimeTable.Trains)
{
foreach (IRailwayStation station in _ctx.Wor.Net.StationCollection)// 求解w
{
Task ta = factory.StartNew(() =>
{
var graph = DpnAlgorithm.BuildLRwGraph(_ctx, adapter, train, station, pathDict, basicGraph.LinkTrainDict, LM_mu, LM_lambda);
DijkstraShortestPaths <DirectedWeightedSparseGraph <string>, string> dijkstra
= new DijkstraShortestPaths <DirectedWeightedSparseGraph <string>, string>(graph, "Start");//考虑该旅客到达时间
var nodepath = dijkstra.ShortestPathTo("End");
if (nodepath == null)
{
throw new System.Exception("No path found");
}
else
{
w[train][station] = new PricePath(graph, nodepath);
}
});
SubTasks.Add(ta);
}
}
Task.WaitAll(SubTasks.ToArray());
foreach (var edge in y.Keys.ToArray())//更新y
{
var sta = edge.Source.Station;
var train = basicGraph.GetTrainByReservationLink(edge);
y[edge] = w[train][sta].GetWrapPoints(edge.Destination.Price, edge.Source.Time).Any();
}
#endregion
#region 计算拉格朗日函数值作为下界
decimal templowerBound = 0m;
decimal templowerBound_part1 = 0m;
decimal templowerBound_part2 = 0m;
decimal templowerBound_part3 = 0m;
decimal templowerBound_part4 = 0m;
Dictionary <CustomerArrival, decimal> lbValueDic
= new Dictionary <CustomerArrival, decimal>();
//1 计算在基础网络中的路径cost
foreach (CustomerArrival customer in _ctx.Pal)
{
lbValueDic.Add(customer, objgraph.GetPathCost(x[customer]));
templowerBound_part1 += lbValueDic[customer];
}
//2计算BRUE项
templowerBound_part2 += _ctx.Pal.Sum(c => pathDict[c].Sum(p =>
{
decimal secondItem = 0m;
secondItem += basicGraph.GetPathCost(x[c]) - basicGraph.GetPathCost(p) - _ctx.SitaDic[c.Customer.MarSegID];
secondItem -= (p.ReservationArc != null && y[p.ReservationArc]) ? 0 : bigM;
return(secondItem * LM_mu[c][p]);
}));
//3计算In-train Capacity项
Dictionary <IServiceSegment, int> ServiceDic = _ctx.Wor.RailwayTimeTable
.Trains.SelectMany(i => i.ServiceSegments)
.ToDictionary(i => i, i => 0);//当前service segment使用情况
foreach (var p in x.Values)
{
foreach (IServiceSegment seg in p.GetSegments(basicGraph))
{
ServiceDic[seg] += 1;
}
}
foreach (var train in _ctx.Wor.RailwayTimeTable.Trains)
{
foreach (var seg in train.ServiceSegments)
{
templowerBound_part3 += LM_rho[seg] * (ServiceDic[seg] - train.Carriage.Chairs.Count());
}
}
//4 计算reservation constraint 项
Dictionary <IEdge <TravelHyperNode>, int> reservationDic
= new Dictionary <IEdge <TravelHyperNode>, int>();
foreach (var p in x.Values)
{
if (reservationDic.ContainsKey(p.ReservationArc))
{
reservationDic[p.ReservationArc] += 1;
}
else
{
reservationDic.Add(p.ReservationArc, 1);
}
}
foreach (var pair in y.Keys)
{
//y是所有的reservation 的集合 reservationDic 是已经使用的reservation 集合
var res = reservationDic.Keys.FirstOrDefault(i => i.Source == pair.Source && i.Destination == pair.Destination);
templowerBound_part4 += LM_lambda[pair] * ((res != null ? reservationDic[res] : 0) - (y[pair] ? bigM : 0));
}
templowerBound = templowerBound_part1 + templowerBound_part2 + templowerBound_part3 + templowerBound_part4;
//Log($"Lower Bound = { Math.Round(templowerBound, 2)}," +
// $"({ Math.Round(templowerBound_part1, 2) }" +
// $"+{ Math.Round(templowerBound_part2, 2)}" +
// $"+{ Math.Round(templowerBound_part3, 2)}" +
// $"+{ Math.Round(templowerBound_part4, 2)})");
PrintLBSolution(DpnAlgorithm.GetTravelPathString(_ctx, adapter, objgraph, x, lbValueDic));
#endregion
#region 更新乘子
if (flag)
{
decimal LagLowerBound = Convert.ToDecimal(model.GetValue(theta));
Log($"LagLower Bound = { LagLowerBound }");
Log($"Lower Bound = { templowerBound }");
lowerBound = Math.Max(lowerBound, templowerBound);
decimal lagGap = LagLowerBound - templowerBound;
if (lagGap <= 0)//判断拉格朗日对偶问题是否达到最优
{
Log($"求解终止：对偶函数已最优。");
break;
}
else
{
/* 更新乘子值 */
foreach (var pair in dual_rho)
{
LM_rho[pair.Key] = Convert.ToDecimal(model.GetValue(pair.Value));
}
foreach (var pair in dual_lambda)
{
LM_lambda[pair.Key] = Convert.ToDecimal(model.GetValue(pair.Value));
}
foreach (CustomerArrival customer in _ctx.Pal)
{
foreach (var path in pathDict[customer])
{
LM_mu[customer][path] = Convert.ToDecimal(model.GetValue(dual_mu[customer][path]));
}
}
}
}
else /* 如果对偶问题无可行解，通过次梯度的方式更新乘子 */
{
//decimal step = 1.618m / (iter + 1);
//foreach (CustomerArrival c in _ctx.Pal)//更新mu
//{
// foreach (TravelPath p in pathDict[c])
// {
// Grad_mu[c][p] = basicGraph.GetPathCost(x[c]) - basicGraph.GetPathCost(p) - _ctx.SitaDic[c.Customer.MarSegID]
// - ((p.ReservationArc != null && y[p.ReservationArc]) ? 0 : bigM);
// LM_mu[c][p] = Math.Max(0, LM_mu[c][p] + step * Grad_mu[c][p]);
// }
//}
//foreach (var pair in y.Keys) //更新lambda
//{
// var res = reservationDic.Keys.FirstOrDefault(i => i.Source == pair.Source && i.Destination == pair.Destination);
// Grad_lambda[pair] = ((res != null ? reservationDic[res] : 0) - (y[pair] ? bigM : 0));
// LM_lambda[pair] = Math.Max(0, LM_lambda[pair] + step * Grad_lambda[pair]);
//}
//foreach (var train in _ctx.Wor.RailwayTimeTable.Trains)//更新rho
//{
// foreach (var seg in train.ServiceSegments)
// {
// Grad_rho[seg] = ServiceDic[seg] - train.Carriage.Chairs.Count();
// LM_rho[seg] = Math.Max(0, LM_rho[seg] + step * Grad_rho[seg]);
// }
//}
}
#endregion
#region 求解拉格朗日对偶问题
/* 求解 几何乘子 */
// 增加 一个约束
INumExpr exp = model.NumExpr();
//2 计算BRUE项
foreach (var c in _ctx.Pal)
{
foreach (var p in pathDict[c])
{
decimal secondItem = 0m;
secondItem += basicGraph.GetPathCost(x[c]) - basicGraph.GetPathCost(p) - _ctx.SitaDic[c.Customer.MarSegID];
secondItem -= (p.ReservationArc != null && y[p.ReservationArc]) ? 0 : bigM;
exp = model.Sum(exp, model.Prod(Convert.ToDouble(secondItem), dual_mu[c][p]));
}
}
//3计算In-train Capacity项 (这里直接用了计算下界时候的 Service_dic
foreach (var train in _ctx.Wor.RailwayTimeTable.Trains)
{
foreach (var seg in train.ServiceSegments)
{
exp = model.Sum(exp, model.Prod(Convert.ToDouble(ServiceDic[seg]
- train.Carriage.Chairs.Count()), dual_rho[seg]));
}
}
//4 计算reservation constraint 项 (这里直接用了计算下界时候的 reservationDic
foreach (var pair in y.Keys)
{
var res = reservationDic.Keys.FirstOrDefault(i => i.Source == pair.Source &&
i.Destination == pair.Destination);
exp = model.Sum(exp, model.Prod(Convert.ToDouble(((res != null ? reservationDic[res] : 0)
- (y[pair] ? bigM : 0))), dual_lambda[pair]));
}
model.AddGe(model.Sum(Convert.ToDouble(templowerBound_part1), exp), theta);
/* Trust-Region */
//var trExpr = model.Add()
flag = model.Solve();
Log($"Is Dual Problem Feasible: { flag }");
#endregion
#region 通过一个启发式规则计算上界(按照w模拟到达)
var pathcost = lbValueDic.ToDictionary(i => i.Key, i => i.Value);
var x_least = x.ToDictionary(i => i.Key, i => i.Value);//当前w下每个旅客的最短路径
var x_upperbound = x.ToDictionary(i => i.Key, i => i.Value);
var x_controlled = x.ToDictionary(i => i.Key, i => i.Value);
#region 1-构建当前y下的最优x值
SubTasks.Clear();
foreach (CustomerArrival customer in _ctx.Pal)// 求解x
{
Task ta = factory.StartNew(() =>
{
var controlledLRxgraph = new ControlledLRxTravelHyperNetwork(
_ctx, adapter, objgraph, customer, pathDict, LM_rho, LM_mu, LM_lambda, y);
controlledLRxgraph.Build();
var ori = (_ctx.Wor.Mar[customer.Customer.MarSegID] as IRailwayMarketSegment).OriSta;
var des = (_ctx.Wor.Mar[customer.Customer.MarSegID] as IRailwayMarketSegment).DesSta;
TravelHyperNode startNode = new TravelHyperNode()
{
Time = adapter.ConvertToDiscreteTime(customer.ArriveTime),
Station = ori,
Price = 0
};
TravelHyperNode endNode = new TravelHyperNode()
{
Time = adapter.Horizon + 1440,
Station = des,
Price = 0
};
DijkstraShortestPaths <DirectedWeightedSparseGraph <TravelHyperNode>, TravelHyperNode> dijkstra
= new DijkstraShortestPaths <DirectedWeightedSparseGraph <TravelHyperNode>, TravelHyperNode>
(controlledLRxgraph, startNode);//考虑该旅客到达时间
if (!dijkstra.HasPathTo(endNode))
{
throw new System.Exception("没有路径!");
}
else
{
x_controlled[customer] = new TravelPath(controlledLRxgraph, dijkstra.ShortestPathTo(endNode));
}
});
SubTasks.Add(ta);
}
Task.WaitAll(SubTasks.ToArray());
#endregion
# region 2-构建当前y下的出行最小值
var solutiongraph = new ControlledTravelHyperNetwork(_ctx, adapter, y);
solutiongraph.Build();
Parallel.ForEach(_ctx.Pal, customer => //foreach (var customer in _ctx.Pal)//求此网络下每个旅客的最短路径
{
var ori = (_ctx.Wor.Mar[customer.Customer.MarSegID] as IRailwayMarketSegment).OriSta;
var des = (_ctx.Wor.Mar[customer.Customer.MarSegID] as IRailwayMarketSegment).DesSta;
TravelHyperNode startNode = new TravelHyperNode()
{
Time = adapter.ConvertToDiscreteTime(customer.ArriveTime),
Station = ori,
Price = 0
};
TravelHyperNode endNode = new TravelHyperNode()
{
Time = adapter.Horizon + 1440,
Station = des,
Price = 0
};
DijkstraShortestPaths <DirectedWeightedSparseGraph <TravelHyperNode>, TravelHyperNode> dijkstra
= new DijkstraShortestPaths <DirectedWeightedSparseGraph <TravelHyperNode>, TravelHyperNode>
(solutiongraph, startNode);
if (!dijkstra.HasPathTo(endNode))
{
throw new System.Exception("没有路径!");
}
else
{
x_least[customer] = new TravelPath(solutiongraph, dijkstra.ShortestPathTo(endNode));
}
});
#endregion
#region 3-修复可行解
var solutiongraphTemp = new SimNetwork(_ctx, adapter, y);//建立仿真网络
solutiongraphTemp.Build();
foreach (var customer in _ctx.Pal)
{
x_upperbound[customer] = x_controlled[customer];
TravelPath path = x_controlled[customer];
if (!solutiongraphTemp.IsPathFeasible(path) ||
solutiongraphTemp.GetPathCost(path) > solutiongraph.GetPathCost(x_least[customer]) + _ctx.SitaDic[customer.Customer.MarSegID])//如果违反了容量约束或者BRUE约束
{
var ori = (_ctx.Wor.Mar[customer.Customer.MarSegID] as IRailwayMarketSegment).OriSta;
var des = (_ctx.Wor.Mar[customer.Customer.MarSegID] as IRailwayMarketSegment).DesSta;
DijkstraShortestPaths <DirectedWeightedSparseGraph <TravelHyperNode>, TravelHyperNode> dijkstra
= new DijkstraShortestPaths <DirectedWeightedSparseGraph <TravelHyperNode>, TravelHyperNode>(solutiongraphTemp, new TravelHyperNode()
{
Time = adapter.ConvertToDiscreteTime(customer.ArriveTime),
Station = ori,
Price = 0
});
//重新查找路径，如果存在路径
if (dijkstra.HasPathTo(new TravelHyperNode()
{
Time = adapter.Horizon + 1440,
Station = des,
Price = 0
}))
{
x_upperbound[customer] = new TravelPath(solutiongraphTemp, dijkstra.ShortestPathTo(new TravelHyperNode()
{
Time = adapter.Horizon + 1440,
Station = des,
Price = 0
}));
if (solutiongraphTemp.GetPathCost(x_upperbound[customer]) <= //满足BRUE约束
solutiongraph.GetPathCost(x_least[customer]) + _ctx.SitaDic[customer.Customer.MarSegID])
{
path = x_upperbound[customer];
}
else
{
hasFeasibleSolution = false;
break;
}
}
else
{
hasFeasibleSolution = false;
break;
}
}
pathcost[customer] = objgraph.GetPathCost(path);
//加载路径
foreach (var seg in path.GetSegments(basicGraph))
{
solutiongraphTemp.AddUsage(seg, 1);
}
}
var tempUpperbound = _ctx.Pal.Sum(c => objgraph.GetPathCost(x_upperbound[c]));
#endregion
//如果有最优解再更新上界
bool hasBetterUpperbound = tempUpperbound < upperBound;
if (hasFeasibleSolution)
{
upperBound = Math.Min(upperBound, tempUpperbound);
}
Log($"Upper Bound = { Math.Round(tempUpperbound, 2) },找到可行解 : { hasFeasibleSolution.ToString()}");
#endregion
#region Terminatation 判定
Log($"Upper Bound = { tempUpperbound }");
decimal absoluteGap = 0;
string gapStr = "";
//如果上限是无穷，那么此时gap也是无穷
if (upperBound == decimal.MaxValue || lowerBound == decimal.MinValue)
{
absoluteGap = decimal.MaxValue;
gapStr = $"+∞";
}
else
{
absoluteGap = upperBound - lowerBound;
gapStr = $"{ Math.Round(absoluteGap, 2)}";
}
if (absoluteGap < terminalFactor && absoluteGap > 0)
{
Log($"求解终止：Gap以满足终止条件，Gap={ absoluteGap }");
break;
}
Log($"Total Gap = { gapStr }");
#endregion
#region 输出信息
//SendMessage($"#Iteration Number, Lower Bound, Upper Bound, Best Lower Bound, Best Upper Bound, Total Gap(%) ");
PrintIterationInfo($"#{iter},{ Math.Round(templowerBound) },{ Math.Round(tempUpperbound) },{ Math.Round(lowerBound)}" +
$",{ Math.Round(upperBound) },{ gapStr }");
string ss = "###,";
foreach (var s in LM_rho)
{
ss += ($"{s.Key.ToString()}:{ s.Value.ToString() },");
}
PrintIterationInfo(ss);
if (hasFeasibleSolution && hasBetterUpperbound)
{
ObjValue = pathcost.Sum(i => i.Value);
PrintSolution(
DpnAlgorithm.GetTravelPathString(_ctx, adapter, solutiongraph, x_upperbound, pathcost),
DpnAlgorithm.GetPricingPathString(_ctx, adapter, w));
}
#endregion
Log($"--------------第{iter}轮求解结束--------------");
}
public Task RemoveAllSubTasks()
{
SubTasks.Clear();
return(this);
}
public ActionResult AddSubTasks(SubTasks subTask)
{
TasksHelper.TaskHelper.AddSubTask(subTask);
return(RedirectToAction("SubTasks", new { taskId = subTask.TaskId }));
}
private FlowDocument BuildDocument()
{
var doc = new FlowDocument();
doc.LineStackingStrategy = System.Windows.LineStackingStrategy.BlockLineHeight;
doc.LineHeight = 12;
doc.Blocks.Add(new Paragraph(new Bold(new Run("Summary"))));
doc.Blocks.Add(new Paragraph(new Run(" " + Title)));
doc.Blocks.Add(new Paragraph(new Bold(new Run("Description"))));
doc.Blocks.Add(new Paragraph(new Run(" " + Description)));
doc.Blocks.Add(new Paragraph(new Bold(new Run("Url"))));
var url = new Hyperlink(new Run(Url.ToString()));
doc.Blocks.Add(new Paragraph(url));
doc.Blocks.Add(new Paragraph(new Bold(new Run("Parent Story"))));
var parentUrl = new Hyperlink(new Run(ParentStoryUrl.ToString()));
parentUrl.NavigateUri = ParentStoryUrl;
doc.Blocks.Add(new Paragraph(parentUrl));
doc.Blocks.Add(new Paragraph(new Italic(new Run("Status: " + Status.ToString()))));
doc.Blocks.Add(new Paragraph(new Italic(new Run("Date Started: " + DateStarted.Value.ToString("yyyy-MM-dd hh:mm:ss")))));
if (DateEnded.HasValue && DateEnded.Value != DateTime.MinValue)
{
doc.Blocks.Add(new Paragraph(new Italic(new Run("Date Ended: " + DateEnded.Value.ToString("yyyy-MM-dd hh:mm:ss")))));
}
if (Attachments.Any())
{
doc.Blocks.Add(new Paragraph(new Bold(new Run("Attachments"))));
foreach (var item in Attachments)
{
var itemUri = new Uri(item.Value);
var itemUrl = new Hyperlink(new Run(item.Value));
doc.Blocks.Add(new Paragraph(itemUrl));
}
}
if (AcceptanceCriteria.Any())
{
doc.Blocks.Add(new Paragraph(new Bold(new Run("Acceptance Criteria"))));
foreach (var item in AcceptanceCriteria)
{
doc.Blocks.Add(new Paragraph(new Run(" + " + item.Value)));
}
}
if (DeveloperCriteria.Any())
{
doc.Blocks.Add(new Paragraph(new Bold(new Run("Development Criteria"))));
foreach (var item in DeveloperCriteria)
{
doc.Blocks.Add(new Paragraph(new Run(" + " + item.Value)));
}
}
var i = 0;
var j = 0;
if (KeyIdentifiers.Any())
{
doc.Blocks.Add(new Paragraph(new Bold(new Run("Key Identifiers"))));
foreach (var item in KeyIdentifiers)
{
doc.Blocks.Add(new Paragraph(new Run(" " + (++i).ToString() + ". " + item.Description)));
if (item.Questions.Any())
{
j = 0;
doc.Blocks.Add(new Paragraph(new Italic(new Run(" Questions"))));
foreach (var q in item.Questions)
{
doc.Blocks.Add(new Paragraph(new Run(" " + (++j).ToString() + ".Q. " + q.Ask)));
doc.Blocks.Add(new Paragraph(new Run(" A. " + q.Answer)));
}
}
}
}
if (Issues.Any())
{
i = 0;
doc.Blocks.Add(new Paragraph(new Bold(new Run("Issues"))));
foreach (var item in Issues)
{
doc.Blocks.Add(new Paragraph(new Run(" " + (++i).ToString() + ". " + item.Description)));
doc.Blocks.Add(new Paragraph(new Italic(new Run(" Is Open: " + item.IsOpen.ToString()))));
}
}
if (Queries.Any())
{
doc.Blocks.Add(new Paragraph(new Bold(new Run("Queries"))));
foreach (var item in Queries)
{
var itemUri = new Uri(item.Value);
var itemUrl = new Hyperlink(new Run(item.Value));
doc.Blocks.Add(new Paragraph(itemUrl));
}
}
if (Scripts.Any())
{
doc.Blocks.Add(new Paragraph(new Bold(new Run("Scripts"))));
foreach (var item in Scripts)
{
var itemUri = new Uri(item.Value);
var itemUrl = new Hyperlink(new Run(item.Value));
doc.Blocks.Add(new Paragraph(itemUrl));
}
}
if (TestCases.Any())
{
i = 0;
doc.Blocks.Add(new Paragraph(new Bold(new Run("Test Cases"))));
foreach (var item in TestCases)
{
doc.Blocks.Add(new Paragraph(new Run(" " + (++i).ToString() + ". " + item.Description)));
doc.Blocks.Add(new Paragraph(new Italic(new Run(" Status: " + item.Status.ToString()))));
if (item.Steps.Any())
{
j = 0;
doc.Blocks.Add(new Paragraph(new Italic(new Run(" Steps"))));
foreach (var q in item.Steps)
{
doc.Blocks.Add(new Paragraph(new Run(" " + (++j).ToString() + ". " + q.Value)));
}
}
}
}
if (Checkups.Any())
{
i = 0;
doc.Blocks.Add(new Paragraph(new Bold(new Run("Checkups"))));
foreach (var item in Checkups)
{
doc.Blocks.Add(new Paragraph(new Run(" " + (++i).ToString() + ". " + item.Description)));
doc.Blocks.Add(new Paragraph(new Italic(new Run(" Applied: " + item.Applied.ToString()))));
}
}
if (SubTasks.Any())
{
i = 0;
doc.Blocks.Add(new Paragraph(new Bold(new Run("SubTasks"))));
foreach (var item in SubTasks)
{
doc.Blocks.Add(new Paragraph(new Run(" " + (++i).ToString() + ". " + item.Title)));
doc.Blocks.Add(new Paragraph(new Italic(new Run(" Status: " + item.Status))));
}
}
return(doc);
}
public void AddSubTask(ITask task)
{
SubTasks.Add(new TaskViewModel(task.Title, task.DueDate));
}
public PrepareMeatMethod2()
{
SubTasks.Add(ExampleDomain.Instance.GetTask(DefinedTaskEnum.MoveToTask));
SubTasks.Add(ExampleDomain.Instance.GetTask(DefinedTaskEnum.EatMeatTask));
}
public virtual void AddSubTask(LogTask task)
{
SubTasks.Add(task);
}
public Task(string name) : base(name)
{
subtasks = new SubTasks();
subtasks.parent = this;
_date = new SerializableDate();
}
public Task RemoveSubTask(Task task)
{
SubTasks.Remove(task);
return(this);
}
