/**
* Builds the KIE {@link BatchExecutionCommand}, which contains all the KIE logic like insertion of facts, starting of ruleflow
* processes and firing of rules, from the given {@link ShoppingCart}.
*
* @param sc the {@link ShoppingCart} from which the build the {@link BatchExecutionCommand}.
* @return the {@link BatchExecutionCommand}
*/
private BatchExecutionCommand BuildBatchExecutionCommand(ShoppingCart sc)
{
// KieCommands commandsFactory = KieServices.Factory.get().getCommands();
// List of BRMS commands that will be send to the rules-engine (e.g. inserts, fireAllRules, etc).
// IList<Command<object>> commands = new List<object>();
// Insert the promo first. Promotions are retrieved from the PromoService.
foreach (var promo in ps.Promotions)
{
PsmPromoEvent promoEvent = new PsmPromoEvent(promo.ItemId, promo.PercentOff);
// Note that we insert the fact into the "Promo Stream".
// Command<type> insertPromoEventCommand = commandsFactory.newInsert(promoEvent, "outPromo", false, "Promo Stream");
// commands.add(insertPromoEventCommand);
}
/*
* Build the ShoppingCart fact from the given ShoppingCart.
*/
PsmShoppingCart factSc = BuildShoppingCartFact(sc);
// commands.add(commandsFactory.newInsert(factSc, "shoppingcart", true, "DEFAULT"));
// Insert the ShoppingCartItems.
IList <ShoppingCartItem> scItems = sc.ShoppingCartItemList;
foreach (ShoppingCartItem nextSci in scItems)
{
// Build the ShoppingCartItem fact from the given ShoppingCartItem.
PsmShoppingCartItem factSci = BuildShoppingCartItem(nextSci);
factSci.ShoppingCart = factSc;
// commands.add(commandsFactory.newInsert(factSci));
}
// Add extra fireAllRules command. Workaround for: https://issues.jboss.org/browse/DROOLS-1593
// TODO: Remove workaround when bug has been fixed.
// commands.add(commandsFactory.newFireAllRules());
// Start the process (ruleflow).
// commands.add(commandsFactory.newStartProcess(RULEFLOW_PROCESS_NAME));
// Fire the rules
// commands.add(commandsFactory.newFireAllRules());
BatchExecutionCommand batchCommand = new BatchExecutionCommand(); // = commandsFactory.newBatchExecution(commands, KIE_SESSION_NAME);
return(batchCommand);
}
public override void PriceShoppingCart(ShoppingCart sc)
{
if (sc != null)
{
InitShoppingCartForPricing(sc);
BatchExecutionCommand batchCommand = BuildBatchExecutionCommand(sc);
// ServiceResponse<ExecutionResults> executeResponse = rulesClient.executeCommandsWithResults(CONTAINER_ID, batchCommand);
// if (executeResponse.getType() == ResponseType.SUCCESS) {
// ExecutionResults results = executeResponse.getResult();
// PsmShoppingCart resultSc = (PsMShoppingCart) results.getValue("shoppingcart");
// MapShoppingCartPricingResults(resultSc, sc);
// } else {
// TODO: Some proper, micro-service type error handling here.
string message = "Error calculating prices.";
log.LogError(message);
throw new Exception(message);
// }
}
}