/// <summary>
/// <para>The circuit will break if, within any timeslice of duration <paramref name="samplingDuration"/>, the proportion of actions resulting in a handled exception or result exceeds <paramref name="failureThreshold"/>, provided also that the number of actions through the circuit in the timeslice is at least <paramref name="minimumThroughput" />. </para>
/// <para>The circuit will stay broken for the <paramref name="durationOfBreak" />. Any attempt to execute this policy
/// while the circuit is broken, will immediately throw a <see cref="BrokenCircuitException" /> containing the exception or result
/// that broke the circuit.
/// </para>
/// <para>If the first action after the break duration period results in a handled exception or result, the circuit will break
/// again for another <paramref name="durationOfBreak" />; if no exception or handled result is encountered, the circuit will reset.
/// </para>
/// </summary>
/// <param name="policyBuilder">The policy builder.</param>
/// <param name="failureThreshold">The failure threshold at which the circuit will break (a number between 0 and 1; eg 0.5 represents breaking if 50% or more of actions result in a handled failure.</param>
/// <param name="samplingDuration">The duration of the timeslice over which failure ratios are assessed.</param>
/// <param name="minimumThroughput">The minimum throughput: this many actions or more must pass through the circuit in the timeslice, for statistics to be considered significant and the circuit-breaker to come into action.</param>
/// <param name="durationOfBreak">The duration the circuit will stay open before resetting.</param>
/// <param name="onBreak">The action to call when the circuit transitions to an <see cref="CircuitState.Open"/> state.</param>
/// <param name="onReset">The action to call when the circuit resets to a <see cref="CircuitState.Closed"/> state.</param>
/// <returns>The policy instance.</returns>
/// <remarks>(see "Release It!" by Michael T. Nygard fi)</remarks>
/// <exception cref="ArgumentOutOfRangeException">failureThreshold;Value must be greater than zero</exception>
/// <exception cref="ArgumentOutOfRangeException">failureThreshold;Value must be less than or equal to one</exception>
/// <exception cref="ArgumentOutOfRangeException">samplingDuration;Value must be equal to or greater than the minimum resolution of the CircuitBreaker timer</exception>
/// <exception cref="ArgumentOutOfRangeException">minimumThroughput;Value must be greater than one</exception>
/// <exception cref="ArgumentOutOfRangeException">durationOfBreak;Value must be greater than zero</exception>
/// <exception cref="ArgumentNullException">onBreak</exception>
/// <exception cref="ArgumentNullException">onReset</exception>
public static CircuitBreakerPolicy <TResult> AdvancedCircuitBreaker <TResult>(this PolicyBuilder <TResult> policyBuilder, double failureThreshold, TimeSpan samplingDuration, int minimumThroughput, TimeSpan durationOfBreak, Action <DelegateResult <TResult>, TimeSpan> onBreak, Action onReset)
=> policyBuilder.AdvancedCircuitBreaker(
failureThreshold, samplingDuration, minimumThroughput,
durationOfBreak,
(outcome, timespan, context) => onBreak(outcome, timespan),
context => onReset()
);
/// <summary>
/// <para>The circuit will break if, within any timeslice of duration <paramref name="samplingDuration"/>, the proportion of actions resulting in a handled exception exceeds <paramref name="failureThreshold"/>, provided also that the number of actions through the circuit in the timeslice is at least <paramref name="minimumThroughput" />. </para>
/// <para>The circuit will stay broken for the <paramref name="durationOfBreak" />. Any attempt to execute this policy
/// while the circuit is broken, will immediately throw a <see cref="BrokenCircuitException" /> containing the exception
/// that broke the circuit.
/// </para>
/// <para>If the first action after the break duration period results in a handled exception, the circuit will break
/// again for another <paramref name="durationOfBreak" />; if no exception is thrown, the circuit will reset.
/// </para>
/// </summary>
/// <param name="policyBuilder">The policy builder.</param>
/// <param name="failureThreshold">The failure threshold at which the circuit will break (a number between 0 and 1; eg 0.5 represents breaking if 50% or more of actions result in a handled failure.</param>
/// <param name="samplingDuration">The duration of the timeslice over which failure ratios are assessed.</param>
/// <param name="minimumThroughput">The minimum throughput: this many actions or more must pass through the circuit in the timeslice, for statistics to be considered significant and the circuit-breaker to come into action.</param>
/// <param name="durationOfBreak">The duration the circuit will stay open before resetting.</param>
/// <param name="onBreak">The action to call when the circuit transitions to an <see cref="CircuitState.Open"/> state.</param>
/// <param name="onReset">The action to call when the circuit resets to a <see cref="CircuitState.Closed"/> state.</param>
/// <returns>The policy instance.</returns>
/// <remarks>(see "Release It!" by Michael T. Nygard fi)</remarks>
/// <exception cref="ArgumentOutOfRangeException">failureThreshold;Value must be greater than zero</exception>
/// <exception cref="ArgumentOutOfRangeException">failureThreshold;Value must be less than or equal to one</exception>
/// <exception cref="ArgumentOutOfRangeException">samplingDuration;Value must be equal to or greater than the minimum resolution of the CircuitBreaker timer</exception>
/// <exception cref="ArgumentOutOfRangeException">minimumThroughput;Value must be greater than one</exception>
/// <exception cref="ArgumentOutOfRangeException">durationOfBreak;Value must be greater than zero</exception>
/// <exception cref="ArgumentNullException">onBreak</exception>
/// <exception cref="ArgumentNullException">onReset</exception>
public static CircuitBreakerPolicy AdvancedCircuitBreaker(this PolicyBuilder policyBuilder, double failureThreshold, TimeSpan samplingDuration, int minimumThroughput, TimeSpan durationOfBreak, Action <Exception, TimeSpan> onBreak, Action onReset)
=> policyBuilder.AdvancedCircuitBreaker(
failureThreshold, samplingDuration, minimumThroughput,
durationOfBreak,
(exception, timespan, context) => onBreak(exception, timespan),
context => onReset()
);
/// <summary>
/// <para> Builds a <see cref="Policy" /> that will function like a Circuit Breaker.</para>
/// <para>The circuit will break if, within any timeslice of duration <paramref name="samplingDuration"/>, the proportion of actions resulting in a handled exception exceeds <paramref name="failureThreshold"/>, provided also that the number of actions through the circuit in the timeslice is at least <paramref name="minimumThroughput" />. </para>
/// <para>The circuit will stay broken for the <paramref name="durationOfBreak" />. Any attempt to execute this policy
/// while the circuit is broken, will immediately throw a <see cref="BrokenCircuitException" /> containing the exception
/// that broke the circuit.
/// </para>
/// <para>If the first action after the break duration period results in a handled exception, the circuit will break
/// again for another <paramref name="durationOfBreak" />; if no exception is thrown, the circuit will reset.
/// </para>
/// </summary>
/// <param name="policyBuilder">The policy builder.</param>
/// <param name="failureThreshold">The failure threshold at which the circuit will break (a number between 0 and 1; eg 0.5 represents breaking if 50% or more of actions result in a handled failure.</param>
/// <param name="samplingDuration">The duration of the timeslice over which failure ratios are assessed.</param>
/// <param name="minimumThroughput">The minimum throughput: this many actions or more must pass through the circuit in the timeslice, for statistics to be considered significant and the circuit-breaker to come into action.</param>
/// <param name="durationOfBreak">The duration the circuit will stay open before resetting.</param>
/// <param name="onBreak">The action to call when the circuit transitions to an <see cref="CircuitState.Open" /> state.</param>
/// <param name="onReset">The action to call when the circuit resets to a <see cref="CircuitState.Closed" /> state.</param>
/// <param name="onHalfOpen">The action to call when the circuit transitions to <see cref="CircuitState.HalfOpen" /> state, ready to try action executions again.</param>
/// <returns>The policy instance.</returns>
/// <exception cref="ArgumentOutOfRangeException">failureThreshold;Value must be greater than zero</exception>
/// <exception cref="ArgumentOutOfRangeException">failureThreshold;Value must be less than or equal to one</exception>
/// <exception cref="ArgumentOutOfRangeException">samplingDuration;Value must be equal to or greater than the minimum resolution of the CircuitBreaker timer</exception>
/// <exception cref="ArgumentOutOfRangeException">minimumThroughput;Value must be greater than one</exception>
/// <exception cref="ArgumentOutOfRangeException">durationOfBreak;Value must be greater than zero</exception>
/// <exception cref="ArgumentNullException">onBreak</exception>
/// <exception cref="ArgumentNullException">onReset</exception>
/// <exception cref="ArgumentNullException">onHalfOpen</exception>
/// <remarks>(see "Release It!" by Michael T. Nygard fi)</remarks>
public static CircuitBreakerPolicy AdvancedCircuitBreaker(this PolicyBuilder policyBuilder, double failureThreshold, TimeSpan samplingDuration, int minimumThroughput, TimeSpan durationOfBreak, Action <Exception, TimeSpan, Context> onBreak, Action <Context> onReset, Action onHalfOpen)
{
return(policyBuilder.AdvancedCircuitBreaker(
failureThreshold, samplingDuration, minimumThroughput,
durationOfBreak,
(exception, state, timespan, context) => onBreak(exception, timespan, context),
onReset,
onHalfOpen
));
}
/// <summary>
/// <para>The circuit will break if, within any timeslice of duration <paramref name="samplingDuration"/>, the proportion of actions resulting in a handled exception exceeds <paramref name="failureThreshold"/>, provided also that the number of actions through the circuit in the timeslice is at least <paramref name="minimumThroughput" />. </para>
/// <para>The circuit will stay broken for the <paramref name="durationOfBreak" />. Any attempt to execute this policy
/// while the circuit is broken, will immediately throw a <see cref="BrokenCircuitException" /> containing the exception
/// that broke the circuit.
/// </para>
/// <para>If the first action after the break duration period results in a handled exception, the circuit will break
/// again for another <paramref name="durationOfBreak" />; if no exception is thrown, the circuit will reset.
/// </para>
/// </summary>
/// <param name="policyBuilder">The policy builder.</param>
/// <param name="failureThreshold">The failure threshold at which the circuit will break (a number between 0 and 1; eg 0.5 represents breaking if 50% or more of actions result in a handled failure.</param>
/// <param name="samplingDuration">The duration of the timeslice over which failure ratios are assessed.</param>
/// <param name="minimumThroughput">The minimum throughput: this many actions or more must pass through the circuit in the timeslice, for statistics to be considered significant and the circuit-breaker to come into action.</param>
/// <param name="durationOfBreak">The duration the circuit will stay open before resetting.</param>
/// <param name="onBreak">The action to call when the circuit transitions to an <see cref="CircuitState.Open"/> state.</param>
/// <param name="onReset">The action to call when the circuit resets to a <see cref="CircuitState.Closed"/> state.</param>
/// <returns>The policy instance.</returns>
/// <remarks>(see "Release It!" by Michael T. Nygard fi)</remarks>
/// <exception cref="ArgumentOutOfRangeException">failureThreshold;Value must be greater than zero</exception>
/// <exception cref="ArgumentOutOfRangeException">failureThreshold;Value must be less than or equal to one</exception>
/// <exception cref="ArgumentOutOfRangeException">samplingDuration;Value must be equal to or greater than the minimum resolution of the CircuitBreaker timer</exception>
/// <exception cref="ArgumentOutOfRangeException">minimumThroughput;Value must be greater than one</exception>
/// <exception cref="ArgumentOutOfRangeException">durationOfBreak;Value must be greater than zero</exception>
/// <exception cref="ArgumentNullException">onBreak</exception>
/// <exception cref="ArgumentNullException">onReset</exception>
public static CircuitBreakerPolicy AdvancedCircuitBreaker(this PolicyBuilder policyBuilder, double failureThreshold, TimeSpan samplingDuration, int minimumThroughput, TimeSpan durationOfBreak, Action <Exception, TimeSpan, Context> onBreak, Action <Context> onReset)
{
Action doNothingOnHalfOpen = () => { };
return(policyBuilder.AdvancedCircuitBreaker(failureThreshold, samplingDuration, minimumThroughput,
durationOfBreak,
onBreak,
onReset,
doNothingOnHalfOpen
));
}
/// <summary>
/// <para> Builds a <see cref="Policy"/> that will function like a Circuit Breaker.</para>
/// <para>The circuit will break if, within any timeslice of duration <paramref name="samplingDuration"/>, the proportion of actions resulting in a handled exception exceeds <paramref name="failureThreshold"/>, provided also that the number of actions through the circuit in the timeslice is at least <paramref name="minimumThroughput" />. </para>
/// <para>The circuit will stay broken for the <paramref name="durationOfBreak" />. Any attempt to execute this policy
/// while the circuit is broken, will immediately throw a <see cref="BrokenCircuitException" /> containing the exception
/// that broke the circuit.
/// </para>
/// <para>If the first action after the break duration period results in a handled exception, the circuit will break
/// again for another <paramref name="durationOfBreak" />; if no exception is thrown, the circuit will reset.
/// </para>
/// </summary>
/// <param name="policyBuilder">The policy builder.</param>
/// <param name="failureThreshold">The failure threshold at which the circuit will break (a number between 0 and 1; eg 0.5 represents breaking if 50% or more of actions result in a handled failure).</param>
/// <param name="samplingDuration">The duration of the timeslice over which failure ratios are assessed.</param>
/// <param name="minimumThroughput">The minimum throughput: this many actions or more must pass through the circuit in the timeslice, for statistics to be considered significant and the circuit-breaker to come into action.</param>
/// <param name="durationOfBreak">The duration the circuit will stay open before resetting.</param>
/// <returns>The policy instance.</returns>
/// <remarks>(see "Release It!" by Michael T. Nygard fi)</remarks>
/// <exception cref="ArgumentOutOfRangeException">failureThreshold;Value must be greater than zero</exception>
/// <exception cref="ArgumentOutOfRangeException">failureThreshold;Value must be less than or equal to one</exception>
/// <exception cref="ArgumentOutOfRangeException">samplingDuration;Value must be equal to or greater than the minimum resolution of the CircuitBreaker timer</exception>
/// <exception cref="ArgumentOutOfRangeException">minimumThroughput;Value must be greater than one</exception>
/// <exception cref="ArgumentOutOfRangeException">durationOfBreak;Value must be greater than zero</exception>
public static CircuitBreakerPolicy AdvancedCircuitBreaker(this PolicyBuilder policyBuilder, double failureThreshold, TimeSpan samplingDuration, int minimumThroughput, TimeSpan durationOfBreak)
{
Action <Exception, TimeSpan> doNothingOnBreak = (_, __) => { };
Action doNothingOnReset = () => { };
return(policyBuilder.AdvancedCircuitBreaker(
failureThreshold, samplingDuration, minimumThroughput,
durationOfBreak,
doNothingOnBreak,
doNothingOnReset
));
}
