public PredicateDiscountBuilder <TType> ApplyDiscount(Func <TType, decimal> discountFunc)
{
_predicateDiscountCalculator.DiscountCalculator = discountFunc;
_discountStrategyCalculator.AddCalculator(_predicateDiscountCalculator);
_predicateDiscountCalculator = null;
return(this);
}
public PredicateDiscountBuilder <TType> When(Predicate <TType> predicate)
{
if (_predicateDiscountCalculator == null)
{
_predicateDiscountCalculator = new PredicateDiscountCalculator <TType>();
}
_predicateDiscountCalculator.Predicate = predicate;
return(this);
}