@InterfaceAudience.Public

Package org.apache.hadoop.service

Interface Summary
Service Service LifeCycle.
ServiceStateChangeListener Interface to notify state changes of a service.
 

Class Summary
AbstractService This is the base implementation class for services.
CompositeService Composition of services.
LifecycleEvent A serializable lifecycle event: the time a state transition occurred, and what state was entered.
LoggingStateChangeListener This is a state change listener that logs events at INFO level
ServiceOperations This class contains a set of methods to work with services, especially to walk them through their lifecycle.
ServiceStateModel Implements the service state model.
 

Exception Summary
ServiceStateException Exception that is raised on state change operations.
 



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