com.linecorp.armeria.client.circuitbreaker.MetricCollectingCircuitBreakerListener

public final class MetricCollectingCircuitBreakerListener
extends Object
implements CircuitBreakerListener

This class will generate the following metrics:

metrics that will be generated by this class
metric name	description
`<name>.requests{name="<circuit breaker name>",result="success"}`	The number of successful requests in the counter time window.
`<name>.requests{name="<circuit breaker name>",result="failure"}`	The number of failed requests in the counter time window.
`<name>.transitions{name="<circuit breaker name>",state="CLOSED"}`	The number of circuit breaker state transitions to `CircuitState.CLOSED`.
`<name>.transitions{name="<circuit breaker name>",state="OPEN"}`	The number of circuit breaker state transitions to `CircuitState.OPEN`.
`<name>.transitions{name="<circuit breaker name>",state="HALF_OPEN"}`	The number of circuit breaker state transitions to `CircuitState.HALF_OPEN`.
`<name>.rejectedRequests{name="<circuit breaker name>"}`	The number of requests rejected by the circuit breaker.

Constructor Summary

Constructors
Constructor	Description
`MetricCollectingCircuitBreakerListener(MeterRegistry registry)`	Creates a new instance with the default name "armeria.client.circuit.breaker".
`MetricCollectingCircuitBreakerListener(MeterRegistry registry, String name)`	Creates a new instance with the specified `Meter` name.

Method Summary

Modifier and Type	Method	Description
`void`	`onEventCountUpdated(String circuitBreakerName, EventCount eventCount)`	Invoked when the circuit breaker's internal `EventCount` is updated.
`void`	`onRequestRejected(String circuitBreakerName)`	Invoked when the circuit breaker rejects a request.
`void`	`onStateChanged(String circuitBreakerName, CircuitState state)`	Invoked when the circuit state is changed.

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

onInitialized