public static void RaiseExceptionAndOrCancellation <TException>(this Policy policy, ExceptionAndOrCancellationScenario scenario, CancellationTokenSource cancellationTokenSource, Action onExecute, Func <int, TException> exceptionFactory) where TException : Exception
{
int counter = 0;
CancellationToken cancellationToken = cancellationTokenSource.Token;
policy.Execute(ct =>
{
onExecute();
counter++;
if (scenario.AttemptDuringWhichToCancel.HasValue && counter >= scenario.AttemptDuringWhichToCancel.Value)
{
cancellationTokenSource.Cancel();
}
if (scenario.ActionObservesCancellation)
{
ct.ThrowIfCancellationRequested();
}
if (counter <= scenario.NumberOfTimesToRaiseException)
{
throw exceptionFactory(counter);
}
}, cancellationToken);
}
public static TResult RaiseExceptionAndOrCancellation <TException, TResult>(this Policy policy, ExceptionAndOrCancellationScenario scenario, CancellationTokenSource cancellationTokenSource, Action onExecute, TResult successResult) where TException : Exception, new()
{
return(policy.RaiseExceptionAndOrCancellation(scenario, cancellationTokenSource, onExecute,
_ => new TException(), successResult));
}
public static Task <TResult> RaiseExceptionAndOrCancellationAsync <TException, TResult>(this Policy policy, ExceptionAndOrCancellationScenario scenario, CancellationTokenSource cancellationTokenSource, Action onExecute, TResult successResult) where TException : Exception, new()
{
int counter = 0;
CancellationToken cancellationToken = cancellationTokenSource.Token;
return(policy.ExecuteAsync(ct =>
{
onExecute();
counter++;
if (scenario.AttemptDuringWhichToCancel.HasValue && counter >= scenario.AttemptDuringWhichToCancel.Value)
{
cancellationTokenSource.Cancel();
}
if (scenario.ActionObservesCancellation)
{
ct.ThrowIfCancellationRequested();
}
if (counter <= scenario.NumberOfTimesToRaiseException)
{
throw new TException();
}
return Task.FromResult(successResult);
}, cancellationToken));
}
public static void RaiseExceptionAndOrCancellation <TException>(this Policy policy, ExceptionAndOrCancellationScenario scenario, CancellationTokenSource cancellationTokenSource, Action onExecute) where TException : Exception, new()
{
policy.RaiseExceptionAndOrCancellation <TException>(scenario, cancellationTokenSource, onExecute, _ => new TException());
}
public static Task RaiseExceptionAndOrCancellationAsync <TException>(this Policy policy, ExceptionAndOrCancellationScenario scenario, CancellationTokenSource cancellationTokenSource, Action onExecute) where TException : Exception, new()
{
return(policy.RaiseExceptionAndOrCancellationAsync <TException, int>(scenario, cancellationTokenSource, onExecute, 0));
}