public override Duration GetDuration()
{
EnsureOperationIsLoadedIfExists();
Duration operationDuration = GetDurationOfOperation();
Duration transitionTime =
new Duration(TransitionTimer.CalculateTransitionTime(operationDuration));
return(transitionTime.Plus(operationDuration));
}
public DueTime GetStartTimeBackward()
{
if (_productionOrderOperation.StartBackward == null)
{
return(null);
}
DueTime transitionTime =
new DueTime(TransitionTimer.CalculateTransitionTime(GetDuration()));
DueTime startTimeOfOperation =
new DueTime(_productionOrderOperation.StartBackward.GetValueOrDefault());
DueTime startTime = startTimeOfOperation.Minus(transitionTime);
return(startTime);
}
public void SetStartTimeBackward(DueTime startTime)
{
if (_productionOrderOperation.IsReadOnly)
{
throw new MrpRunException("A readOnly entity cannot be changed anymore.");
}
DueTime transitionTime =
new DueTime(TransitionTimer.CalculateTransitionTime(GetDuration()));
// startBackwards
DueTime startTimeOfOperation = startTime.Plus(transitionTime);
_productionOrderOperation.StartBackward = startTimeOfOperation.GetValue();
// endBackwards
_productionOrderOperation.EndBackward =
startTimeOfOperation.GetValue() + GetDuration().GetValue();
}