/**
* Subgraph of a productionOrder includes:
* - parent (StockExchangeDemand) if includeStockExchanges true
* - childs (ProductionOrderBoms)
* - childs of childs (StockExchangeProvider) if includeStockExchanges true
*/
private static List <IDemandOrProvider> CreateProductionOrderSubGraph(
bool includeStockExchanges, ProductionOrder productionOrder, IAggregator aggregator)
{
List <IDemandOrProvider> demandOrProvidersOfProductionOrderSubGraph =
new List <IDemandOrProvider>();
demandOrProvidersOfProductionOrderSubGraph.Add(productionOrder);
if (includeStockExchanges)
{
Demands stockExchangeDemands = aggregator.GetAllParentDemandsOf(productionOrder);
if (stockExchangeDemands.Count() > 1)
{
throw new MrpRunException(
"A productionOrder can only have one parentDemand (stockExchangeDemand).");
}
demandOrProvidersOfProductionOrderSubGraph.AddRange(stockExchangeDemands);
foreach (var stockExchangeDemand in stockExchangeDemands)
{
Providers parentStockExchangeProviders =
aggregator.GetAllParentProvidersOf(stockExchangeDemand);
foreach (var parentStockExchangeProvider in parentStockExchangeProviders)
{
if (aggregator.GetAllChildDemandsOf(parentStockExchangeProvider).Count() ==
1)
{
demandOrProvidersOfProductionOrderSubGraph.Add(
parentStockExchangeProvider);
}
else
{
// stockExchangeProvider must stay
}
}
}
}
Demands productionOrderBoms = aggregator.GetAllChildDemandsOf(productionOrder);
demandOrProvidersOfProductionOrderSubGraph.AddRange(productionOrderBoms);
if (includeStockExchanges)
{
foreach (var productionOrderBom in productionOrderBoms)
{
Providers stockExchangeProvider =
aggregator.GetAllChildProvidersOf(productionOrderBom);
if (stockExchangeProvider.Count() > 1)
{
throw new MrpRunException(
"A ProductionOrderBom can only have one childProvider (stockExchangeProvider).");
}
demandOrProvidersOfProductionOrderSubGraph.AddRange(stockExchangeProvider);
}
}
return(demandOrProvidersOfProductionOrderSubGraph);
}