private const int MaxIterationCount = 24 * 60 * 365 * 4; // 4 years of minutes
protected IEnumerable <IScheduledJob> Solve(
List <IShift> shifts,
List <IWorker> workers,
List <ITool> tools,
IEnumerable <IZone> zones,
IEnumerable <IJob> jobs,
GreedyActivityStrategy strategy,
ShiftManager shiftManager)
{
_shiftManager = shiftManager;
_strategy = strategy;
_jobPriorityFunction = new SlackTimeRemainingJobPriorityFunction();
if (shifts.Count > 0)
{
_shifts = shifts.ToArray();
SetupWorkers(shifts, workers);
SetupTools(shifts, tools);
}
SetupZones(zones);
SetupJobs(jobs);
_timepoints = new Dictionary <int, List <InWorkEvent> >();
_inWorkEvents = new List <InWorkEvent>();
int iteration = InitializeNextIteration(_shifts[0]);
while (_jobs.Any() && iteration < MaxIterationCount)
{
// check to see if we have any events expiring
ProcessCompletingJobs(iteration);
// check to see if we have any new jobs we can work on
ProcessJobs(iteration);
// increment iteration counter
iteration++;
}
// we're done!
return(BuildSchedule());
}
public ConstraintSolverResult ScheduleDataSet(ProjectDataSet dataSet, IConstraints constraints, GreedyActivityStrategy strategy)
{
var result = new ConstraintSolverResult(constraints);
try
{
var cp = new CriticalPathHelper();
cp.OrderActivitySchedule(dataSet, result);
foreach (var a in result.Schedule)
{
_scheduledJobs.GetOrAdd(a.ScheduledItem.UID, a);
}
SetupJobsAndResources(dataSet, constraints);
var dataManager = new SolverDataManager(dataSet, result);
var solver = new Solver(dataManager);
//var results = solver.Solve(
// _shifts.Values.ToList(),
// _workers.Values.ToList(),
// _tools.Values.ToList(),
// _zones.Values,
// _jobs.Values,
// strategy, _shiftManager);
//foreach (var job in results)
//{
// var activity = _activitiesMap[job.Job.ID];
// var scheduledActivity = _scheduledJobs[activity.UID];
// var start = TimeFrame.FromMinutes(job.Start);
// var end = TimeFrame.FromMinutes(job.End);
// scheduledActivity.ScheduledStart = start;
// scheduledActivity.ScheduledFinish = end;
// //result.ActivitySchedule.AddOrUpdateItemSchedule(job.Start, scheduledActivity);
// //result.State = SolverResultState.OptimalSolutionFound;
//}
//result.State = SolverResultState.OptimalSolutionFound;
}
catch (Exception ex)
{
throw new Exception("Yikes! Error in solver!", ex);
}
return(result);
}
public async Task <ConstraintSolverResult> ScheduleDataSetAsync(ProjectDataSet dataSet, IConstraints constraints, GreedyActivityStrategy strategy)
{
return(await Task.Run(() => ScheduleDataSet(dataSet, constraints, strategy)));
}
private const int MaxIterationCount = 24*60*365*4; // 4 years of minutes
protected IEnumerable<IScheduledJob> Solve(
List<IShift> shifts,
List<IWorker> workers,
List<ITool> tools,
IEnumerable<IZone> zones,
IEnumerable<IJob> jobs,
GreedyActivityStrategy strategy,
ShiftManager shiftManager)
{
_shiftManager = shiftManager;
_strategy = strategy;
_jobPriorityFunction = new SlackTimeRemainingJobPriorityFunction();
if (shifts.Count > 0)
{
_shifts = shifts.ToArray();
SetupWorkers(shifts, workers);
SetupTools(shifts, tools);
}
SetupZones(zones);
SetupJobs(jobs);
_timepoints = new Dictionary<int, List<InWorkEvent>>();
_inWorkEvents = new List<InWorkEvent>();
int iteration = InitializeNextIteration(_shifts[0]);
while (_jobs.Any() && iteration < MaxIterationCount)
{
// check to see if we have any events expiring
ProcessCompletingJobs(iteration);
// check to see if we have any new jobs we can work on
ProcessJobs(iteration);
// increment iteration counter
iteration++;
}
// we're done!
return BuildSchedule();
}
public ConstraintSolverResult ScheduleDataSet(ProjectDataSet dataSet, IConstraints constraints, GreedyActivityStrategy strategy)
{
var result = new ConstraintSolverResult(constraints);
try
{
var cp = new CriticalPathHelper();
cp.OrderActivitySchedule(dataSet, result);
foreach (var a in result.Schedule)
{
_scheduledJobs.GetOrAdd(a.ScheduledItem.UID, a);
}
SetupJobsAndResources(dataSet, constraints);
var dataManager = new SolverDataManager(dataSet, result);
var solver = new Solver(dataManager);
//var results = solver.Solve(
// _shifts.Values.ToList(),
// _workers.Values.ToList(),
// _tools.Values.ToList(),
// _zones.Values,
// _jobs.Values,
// strategy, _shiftManager);
//foreach (var job in results)
//{
// var activity = _activitiesMap[job.Job.ID];
// var scheduledActivity = _scheduledJobs[activity.UID];
// var start = TimeFrame.FromMinutes(job.Start);
// var end = TimeFrame.FromMinutes(job.End);
// scheduledActivity.ScheduledStart = start;
// scheduledActivity.ScheduledFinish = end;
// //result.ActivitySchedule.AddOrUpdateItemSchedule(job.Start, scheduledActivity);
// //result.State = SolverResultState.OptimalSolutionFound;
//}
//result.State = SolverResultState.OptimalSolutionFound;
}
catch (Exception ex)
{
throw new Exception("Yikes! Error in solver!", ex);
}
return result;
}
public async Task<ConstraintSolverResult> ScheduleDataSetAsync(ProjectDataSet dataSet, IConstraints constraints, GreedyActivityStrategy strategy)
{
return await Task.Run(() => ScheduleDataSet(dataSet, constraints, strategy));
}