public override void OnActionFailure(DelegateResult <TResult> outcome, Context context)
{
using (TimedLock.Lock(_lock))
{
_lastOutcome = outcome;
switch (_circuitState)
{
case CircuitState.HalfOpen:
Break_NeedsLock(context);
return;
case CircuitState.Closed:
_metrics.IncrementFailure_NeedsLock();
var healthCount = _metrics.GetHealthCount_NeedsLock();
int throughput = healthCount.Total;
if (throughput >= _minimumThroughput && ((double)healthCount.Failures) / throughput >= _failureThreshold)
{
Break_NeedsLock(context);
}
break;
case CircuitState.Open:
case CircuitState.Isolated:
_metrics.IncrementFailure_NeedsLock();
break; // A failure call result may arrive when the circuit is open, if it was placed before the circuit broke. We take no action beyond tracking the metric; we do not want to duplicate-signal onBreak; we do not want to extend time for which the circuit is broken. We do not want to mask the fact that the call executed (as replacing its result with a Broken/IsolatedCircuitException would do).
default:
throw new InvalidOperationException("Unhandled CircuitState.");
}
}
}
public override void OnActionFailure(DelegateResult <TResult> outcome, Context context)
{
using (TimedLock.Lock(_lock))
{
_lastOutcome = outcome;
if (_circuitState == CircuitState.HalfOpen)
{
Break_NeedsLock(context);
return;
}
_metrics.IncrementFailure_NeedsLock();
var healthCount = _metrics.GetHealthCount_NeedsLock();
int throughput = healthCount.Total;
if (throughput >= _minimumThroughput && ((double)healthCount.Failures) / throughput >= _failureThreshold)
{
Break_NeedsLock(context);
}
}
}