public CircuitBreakerFilter(CircuitBreakerSettings settings, IExceptionFilter exceptionFilter)
{
_settings = settings;
_exceptionFilter = exceptionFilter;
_behavior = new ClosedBehavior(this);
}
void ICircuitBreaker.Open(Exception exception, ICircuitBreakerBehavior behavior, IEnumerator <TimeSpan> timeoutEnumerator)
{
if (timeoutEnumerator == null)
{
timeoutEnumerator = _settings.ResetTimeout.GetEnumerator();
}
Interlocked.CompareExchange(ref _behavior, new OpenBehavior(this, exception, timeoutEnumerator), behavior);
}
Task ICircuitBreaker.Close(ICircuitBreakerBehavior behavior)
{
var closedBehavior = new ClosedBehavior(this);
Interlocked.CompareExchange(ref _behavior, closedBehavior, behavior);
if (_behavior == closedBehavior)
{
return(_settings.Router?.PublishCircuitBreakerClosed() ?? TaskUtil.Completed);
}
return(TaskUtil.Completed);
}
Task ICircuitBreaker.Open(Exception exception, ICircuitBreakerBehavior behavior, IEnumerator <TimeSpan> timeoutEnumerator)
{
if (timeoutEnumerator == null)
{
timeoutEnumerator = _settings.ResetTimeout.GetEnumerator();
}
var openBehavior = new OpenBehavior(this, exception, timeoutEnumerator);
Interlocked.CompareExchange(ref _behavior, openBehavior, behavior);
if (_behavior == openBehavior)
{
return(_settings.Router?.PublishCircuitBreakerOpened(exception) ?? TaskUtil.Completed);
}
return(TaskUtil.Completed);
}
void ICircuitBreaker.ClosePartially(Exception exception, IEnumerator <TimeSpan> timeoutEnumerator, ICircuitBreakerBehavior behavior)
{
Interlocked.CompareExchange(ref _behavior, new HalfOpenBehavior(this, exception, timeoutEnumerator), behavior);
}
void ICircuitBreaker.Close(ICircuitBreakerBehavior behavior)
{
Interlocked.CompareExchange(ref _behavior, new ClosedBehavior(this), behavior);
}
public CircuitBreakerFilter(CircuitBreakerSettings settings)
{
_settings = settings;
_behavior = new ClosedBehavior(this);
}
