org.apache.hadoop.hbase

Interface Service

@InterfaceAudience.Private
public interface Service

Simple Service.

Method Summary

Modifier and Type	Method and Description
boolean	isRunning()
void	startAndWait() Initiates service startup (if necessary), returning once the service has finished starting.
void	stopAndWait() Initiates service shutdown (if necessary), returning once the service has finished stopping.

Method Detail

startAndWait

void startAndWait()
           throws IOException

Initiates service startup (if necessary), returning once the service has finished starting.

Throws:

IOException - Throws exception if already running and if we fail to start successfully.

isRunning

boolean isRunning()

Returns:

True if this Service is running.

stopAndWait

void stopAndWait()
          throws IOException

Initiates service shutdown (if necessary), returning once the service has finished stopping.

Throws:

IOException - Throws exception if not running of if we fail to stop successfully.