private void ProcessAmountLessThanOrEquals20(int paymentId)
{
var results = RetryMechanism.RetryWithSame(() => _cheapPaymentGateway.ProcessPayment(paymentId), 0);
if (!results)
{
ProcessFailedPayment(paymentId);
}
}
private void ProcessAmountGreaterThan500(int paymentId)
{
var results = RetryMechanism.RetryWithSame(() =>
_expensivePaymentGateway.ProcessPayment(paymentId), 3);
if (!results)
{
ProcessFailedPayment(paymentId);
}
}
private void ProcessAmountGreaterThan20AndLessThanEqualTo500(int paymentId)
{
var results = RetryMechanism.RetryWithAlternate(() =>
_expensivePaymentGateway.ProcessPayment(paymentId),
() =>
_cheapPaymentGateway.ProcessPayment(paymentId));
if (!results)
{
ProcessFailedPayment(paymentId);
}
}
public override IGateway Execute(decimal ammount)
{
IGateway gateway;
if (ammount > 21 && ammount < 500)
{
gateway = RandomlyReturnInstanceOrNull <ExpensivePaymentGateway>();
if (gateway == null)
{
gateway = RetryMechanism.Do(RandomlyReturnInstanceOrNull <CheapPaymentGateway>, TimeSpan.FromSeconds(1), 1);
}
return(gateway);
}
return(base.Execute(ammount));
}
