org.apache.hadoop.mapred

Class JobTrackerHADaemon

java.lang.Object

org.apache.hadoop.mapred.JobTrackerHADaemon

public class JobTrackerHADaemon
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	JobTrackerHADaemon.JobTrackerRunner

Constructor Summary

Constructors

Constructor and Description
JobTrackerHADaemon(org.apache.hadoop.conf.Configuration conf)

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.hadoop.conf.Configuration	getConf()
JobTracker	getJobTracker()
JobTrackerHAServiceProtocol	getJobTrackerHAServiceProtocol()
org.apache.hadoop.ha.HAServiceStatus	getServiceStatus()
void	join() Wait for service to finish.
static void	main(java.lang.String[] args)
void	makeActive()
void	start()
static void	startService()
void	stop()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JobTrackerHADaemon

public JobTrackerHADaemon(org.apache.hadoop.conf.Configuration conf)

Method Detail

getConf

public org.apache.hadoop.conf.Configuration getConf()

start

public void start()
           throws java.io.IOException

Throws:

java.io.IOException

makeActive

public void makeActive()
                throws java.io.IOException

Throws:

java.io.IOException

getJobTracker

public JobTracker getJobTracker()

getJobTrackerHAServiceProtocol

public JobTrackerHAServiceProtocol getJobTrackerHAServiceProtocol()

getServiceStatus

public org.apache.hadoop.ha.HAServiceStatus getServiceStatus()
                                                      throws org.apache.hadoop.security.AccessControlException,
                                                             java.io.IOException

Throws:

org.apache.hadoop.security.AccessControlException

java.io.IOException

stop

public void stop()
          throws java.io.IOException

Throws:

java.io.IOException

join

public void join()

Wait for service to finish. (Normally, it runs forever.)

startService

public static void startService()
                         throws java.lang.Exception

Throws:

java.lang.Exception

main

public static void main(java.lang.String[] args)