/// <summary>
/// Execute the CircuitBreaker function
/// </summary>
/// <typeparam name="R">the return type</typeparam>
/// <param name="input">the input to execute on</param>
/// <param name="executeDelegate">the delegate to use in Circuit break</param>
/// <returns>result from execution of delegate (could be null)</returns>
public async Task <R> Execute <R>(T input, Func <T, R> executeDelegate)
{
while (true)
{
var result = executeDelegate(input);
if (!result.Equals(default(R)))
{
Status = CircuitBreakerStatuses.Closed;
return(result);
}
else
{
ThresholdCount++;
if (ThresholdCount >= Threshold)
{
Status = CircuitBreakerStatuses.Open;
break;
}
await Task.Delay(RetryTimeSpan);
}
}
LastAttempt = DateTimeOffset.Now;
return(default(R));
}
/// <summary>
/// Reset the CircuitBreaker (sets status to HalfOpen)
/// </summary>
/// <returns>void</returns>
public async Task Reset()
{
await Task.Run(() =>
{
Status = CircuitBreakerStatuses.HalfOpen;
ThresholdCount = 0;
});
}