public PreviousNext(MachineOccupation prev, MachineOccupation next, int index)
{
Prev = prev;
Next = next;
Index = index;
}
public static Arc BetweenOccupations(MachineOccupation fst, MachineOccupation snd)
{
Assert(GraphChecks, fst.MachineId == snd.MachineId);
return(new Arc(fst.LastOperation + 1, snd.FirstOperation, fst.ReleaseTime, fst.MachineId));
}