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().
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SingletonPool closes asynchronously; the underlying connection is closed once all references are returned.
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.
The current availability Status of this ServiceFactory
The current availability Status of this ServiceFactory
The status of a SingletonPool is the worse of the the underlying status and the status of the currently cached service, if any.
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 pool that maintains at most one service from the underlying ServiceFactory -- concurrent leases share the same, cached service. A new Service is established whenever the service factory fails or the current service has become unavailable.