Interface to notify state changes of a service.
This is the base implementation class for services.
Composition of services.
A serializable lifecycle event: the time a state transition occurred, and what state was entered.
This is a state change listener that logs events at INFO level
This class contains a set of methods to work with services, especially to walk them through their lifecycle.
Implements the service state model.
Exception that is raised on state change operations.
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