public void SetEndTimeBackward(DueTime endTime)
{
if (_productionOrderOperation.IsReadOnly)
{
throw new MrpRunException("A readOnly entity cannot be changed anymore.");
}
// endBackwards
_productionOrderOperation.EndBackward = endTime.GetValue();
// startBackwards
DueTime startTimeOfOperation = endTime.Minus(GetDuration().ToDueTime());
_productionOrderOperation.StartBackward = startTimeOfOperation.GetValue();
}
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);
}
private Priority GetPriorityOfProductionOrderOperation(DueTime now,
ProductionOrderOperation givenProductionOrderOperation,
DueTime minStartNextOfParentProvider)
{
IAggregator aggregator = ZppConfiguration.CacheManager.GetAggregator();
Dictionary <HierarchyNumber, DueTime> alreadySummedHierarchyNumbers =
new Dictionary <HierarchyNumber, DueTime>();
DueTime sumDurationsOfOperations = DueTime.Zero();
// O(1)
List <ProductionOrderOperation> productionOrderOperations =
aggregator.GetProductionOrderOperationsOfProductionOrder(givenProductionOrderOperation
.GetProductionOrderId());
foreach (var productionOrderOperation in productionOrderOperations)
{
// only later operations, which have a smaller hierarchyNumber, have to be considered
if (productionOrderOperation.GetHierarchyNumber()
.IsSmallerThan(givenProductionOrderOperation.GetHierarchyNumber()))
{
continue;
}
if (alreadySummedHierarchyNumbers.ContainsKey(productionOrderOperation
.GetHierarchyNumber()))
{
DueTime alreadySummedHierarchyNumber =
alreadySummedHierarchyNumbers[
productionOrderOperation.GetHierarchyNumber()];
if (productionOrderOperation.GetDuration().ToDueTime()
.IsGreaterThan(alreadySummedHierarchyNumber))
{
sumDurationsOfOperations.IncrementBy(productionOrderOperation.GetDuration()
.ToDueTime().Minus(alreadySummedHierarchyNumber));
}
}
else
{
alreadySummedHierarchyNumbers.Add(productionOrderOperation.GetHierarchyNumber(),
productionOrderOperation.GetDuration().ToDueTime());
}
}
return(new Priority(minStartNextOfParentProvider.Minus(now)
.Minus(sumDurationsOfOperations).GetValue()));
}
public OperationBackwardsSchedule(DueTime dueTime, Duration duration,
HierarchyNumber hierarchyNumber)
{
if (dueTime == null || duration == null || hierarchyNumber == null)
{
throw new MrpRunException("Every parameter must NOT be null.");
}
_duration = duration;
_hierarchyNumber = hierarchyNumber;
// add transition time aka timeBetweenOperations
_timeBetweenOperations = new DueTime(CalculateTransitionTime(_duration));
_endBackwards = dueTime;
_startBackwards = _endBackwards.Minus(new DueTime(duration.GetValue()));
_startOfOperation = _startBackwards.Minus(_timeBetweenOperations);
_endOfOperation = _endBackwards;
}
