/// <summary>
/// Initialises a new circuit breaker using the supplied settings with a nested resiliency pattern invoker.
/// </summary>
/// <param name="settings">Settings to configure the circuit breaker.</param>
/// <param name="nestedInvoker">The invoker to pass the command onto.</param>
public CircuitBreaker(CircuitBreakerSettings settings, ResiliencyCommandInvoker nestedInvoker)
{
if (settings == null)
{
settings = new CircuitBreakerSettings();
}
var parameters = new CircuitBreakerStateParameters
{
settings = settings,
invoker = nestedInvoker
};
this.stateMachine = new CircuitBreakerStateMachineImpl(new CircuitBreakerStateNormal(parameters));
parameters.stateMachine = this.stateMachine;
this.AttachToStateChangeEvent();
}
internal CircuitBreakerStateAttempt(CircuitBreakerStateParameters parameters)
{
this.parameters = parameters;
this.semaphore = new SemaphoreSuperSlim(1);
}
internal CircuitBreakerStateNormal(CircuitBreakerStateParameters parameters)
{
this.parameters = parameters;
this.InitialiseResetTimer();
}
internal CircuitBreakerStateTripped(CircuitBreakerStateParameters parameters)
{
this.parameters = parameters;
this.resetTimer = new Timer(this.ResetCallback, null, this.parameters.settings.TripWaitPeriod, infinity);
}