public IRuleResult Execute(IRuleParameters parameters)
{
var customer = parameters as Customer;
if ((DateTime.Today - customer.CustomerSince).Days / 365 > 10)
{
return(new Discount(0.20));
}
return(new Discount());
}
public IRuleResult Execute(IRuleParameters parameters)
{
var customer = parameters as Customer;
if ((DateTime.Today.Day == customer.Birthday.Day) && (DateTime.Today.Month == customer.Birthday.Month))
{
return(new Discount(.15));
}
return(new Discount());
}
public IRuleResult Execute(IRuleParameters parameters)
{
var customer = parameters as Customer;
if ((DateTime.Today.Day - customer.CustomerSince.Day) < 30)
{
return(new Discount(.08));
}
return(new Discount());
}
public IRuleResult Execute(IRuleParameters parameters)
{
var billInfo = parameters as BillInfo;
if (billInfo.Units <= 100)
{
billInfo.Bill = billInfo.Units * 1.35M;
}
return(billInfo as IRuleResult);
}
public IRuleResult Execute(IRuleParameters parameters)
{
var billInfo = parameters as BillInfo;
if (billInfo.Units <= 500)
{
billInfo.Bill = (100 * 1.35M) + (200 * 4.05M) + ((billInfo.Units - 300) * 6.75M); billInfo.RunNext = false;
}
;
return(billInfo as IRuleResult);
}
public List <IRuleResult> Execute(IRuleParameters input, List <IRule> rules)
{
var results = new List <IRuleResult>();
rules.ForEach(rule =>
{
var result = rule.Execute(input);
results.Add(result);
});
return(results);
}
public IRuleResult Execute(IRuleParameters parameters)
{
throw new NotImplementedException();
}
public BackPropagationRule(IRuleParameters defaultParameters)
{
Contract.Requires(defaultParameters != null);
DefaultParameters = defaultParameters;
}
