trait Service extends AnyRef
Service.
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abstract
def
getHiveConf(): HiveConf
Get the configuration of this service.
Get the configuration of this service. This is normally not a clone and may be manipulated, though there are no guarantees as to what the consequences of such actions may be
- returns
the current configuration, unless a specific implementation chooses otherwise.
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abstract
def
getName(): String
Get the name of this service.
Get the name of this service.
- returns
the service name
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abstract
def
getServiceState(): STATE
Get the current service state
Get the current service state
- returns
the state of the service
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abstract
def
getStartTime(): Long
Get the service start time
Get the service start time
- returns
the start time of the service. This will be zero if the service has not yet been started.
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abstract
def
init(conf: HiveConf): Unit
Initialize the service.
Initialize the service.
The transition must be from
STATE#NOTINITEDtoSTATE#INITEDunless the operation failed and an exception was raised.- conf
the configuration of the service
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abstract
def
register(listener: ServiceStateChangeListener): Unit
Register an instance of the service state change events.
Register an instance of the service state change events.
- listener
a new listener
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abstract
def
start(): Unit
Start the service.
Start the service.
The transition should be from
STATE#INITEDtoSTATE#STARTEDunless the operation failed and an exception was raised. -
abstract
def
stop(): Unit
Stop the service.
Stop the service.
This operation must be designed to complete regardless of the initial state of the service, including the state of all its internal fields.
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abstract
def
unregister(listener: ServiceStateChangeListener): Unit
Unregister a previously instance of the service state change events.
Unregister a previously instance of the service state change events.
- listener
the listener to unregister.
Concrete Value Members
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final
def
!=(arg0: Any): Boolean
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final
def
##(): Int
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def
==(arg0: Any): Boolean
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final
def
asInstanceOf[T0]: T0
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clone(): AnyRef
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final
def
eq(arg0: AnyRef): Boolean
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def
equals(arg0: Any): Boolean
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final
def
getClass(): Class[_]
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def
hashCode(): Int
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ne(arg0: AnyRef): Boolean
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def
notify(): Unit
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def
notifyAll(): Unit
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def
toString(): String
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def
wait(arg0: Long, arg1: Int): Unit
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wait(arg0: Long): Unit
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wait(): Unit
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finalize(): Unit
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