| Package | Description | 
|---|---|
| org.apache.hadoop.service | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | LoggingStateChangeListenerThis is a state change listener that logs events at INFO level | 
| Modifier and Type | Method and Description | 
|---|---|
| static void | AbstractService. registerGlobalListener(ServiceStateChangeListener l)Register a global listener, which receives notifications
 from the state change events of all services in the JVM | 
| void | AbstractService. registerServiceListener(ServiceStateChangeListener l) | 
| void | Service. registerServiceListener(ServiceStateChangeListener listener)Register a listener to the service state change events. | 
| static boolean | AbstractService. unregisterGlobalListener(ServiceStateChangeListener l)unregister a global listener. | 
| void | AbstractService. unregisterServiceListener(ServiceStateChangeListener l) | 
| void | Service. unregisterServiceListener(ServiceStateChangeListener listener)Unregister a previously registered listener of the service state
 change events. | 
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