(Since version 6.22.1) Please call the FailureAccrualFactory constructor that supplies a StatsReceiver
Reserve the use of a given service instance.
Reserve the use of a given service instance. This pins the underlying channel and the returned service has exclusive use of its underlying connection. To relinquish the use of the reserved Service, the user must call Service.close().
Called by FailureAccrualFactory after marking an endpoint dead.
Called by FailureAccrualFactory after marking an endpoint dead. Override this method to perform additional actions.
Apply f on created services, returning the resulting Future in their
stead.
Apply f on created services, returning the resulting Future in their
stead. This is useful for implementing common factory wrappers that
only need to modify or operate on the underlying service.
Map created services.
Map created services. Useful for implementing common styles of factory wrappers.
Enter 'Probing' state.
Enter 'Probing' state. The service must satisfy one request before accepting more.
The current availability Status of this ServiceFactory
The current availability Status of this ServiceFactory
Make a service that after dispatching a request on that service, releases the service.
Make a service that after dispatching a request on that service, releases the service.
(Since version 5.0.1) use apply() instead
A com.twitter.finagle.ServiceFactory that accrues failures, marking itself unavailable when deemed unhealthy according to its configuration.
This acts as a request driven circuit breaker.
When used in a typical Finagle client, there is one instance per node and as such, the load balancer will avoid nodes that are marked down via failure accrual.