public static double ComputeEarliestStartTime(Task t, Schedule schedule) {
ScheduledTask previousTask = schedule.GetLastScheduledTaskForJobNr(t.JobNr);
Resource affectedResource = schedule.Resources[t.ResourceNr];
double lastMachineEndTime = affectedResource.TotalDuration;
double previousJobTaskEndTime = 0;
if (previousTask != null)
previousJobTaskEndTime = previousTask.EndTime;
return Math.Max(previousJobTaskEndTime, lastMachineEndTime);
}
public static ItemList<Task> GetConflictSetForTask(Task conflictedTask, ItemList<Task> earliestTasksList, ItemList<Job> jobData, Schedule schedule) {
ItemList<Task> result = new ItemList<Task>();
double conflictedCompletionTime = ComputeEarliestCompletionTime(conflictedTask, schedule);
result.Add(conflictedTask);
foreach (Task t in earliestTasksList) {
if (t.ResourceNr == conflictedTask.ResourceNr) {
if (ComputeEarliestStartTime(t, schedule) < conflictedCompletionTime)
result.Add(t);
}
}
return result;
}
public static double ComputeEarliestCompletionTime(Task t, Schedule schedule) {
return ComputeEarliestStartTime(t, schedule) + t.Duration;
}
internal Task GetPreviousTask(Task t) {
if (t.TaskNr == 0) return null;
return Tasks[t.TaskNr - 1];
}
protected Task(Task original, Cloner cloner)
: base(original, cloner) {
this.resourceNr = original.ResourceNr;
this.jobNr = original.JobNr;
this.duration = original.Duration;
this.taskNr = original.TaskNr;
this.isScheduled = original.IsScheduled;
}