/// <inheritdoc/>
private bool IsOpen()
{
if (CircuitIsOpen)
{
return(true);
}
// we're closed, so let's see if errors have made us so we should trip the circuit open
HystrixHealthCounts healthCounts = commandMetrics.GetHealthCounts();
// check if we are past the CircuitBreakerRequestVolumeThreshold
if (healthCounts.GetTotalRequests() < configurationService.GetCircuitBreakerRequestVolumeThreshold())
{
// we are not past the minimum volume threshold for the statisticalWindow so we'll return false immediately and not calculate anything
return(false);
}
// if error percentage is below threshold the circuit remains closed
if (healthCounts.GetErrorPercentage() < configurationService.GetCircuitBreakerErrorThresholdPercentage())
{
return(false);
}
// failure rate is too high, trip the circuit (multiple threads can come to these lines, but do we care?)
OpenCircuit();
return(true);
}
