org.apache.hadoop.mapred
Class JobTrackerPlugin

java.lang.Object
  extended by org.apache.hadoop.mapred.JobTrackerPlugin
All Implemented Interfaces:
java.io.Closeable, org.apache.hadoop.util.ServicePlugin

public abstract class JobTrackerPlugin
extends java.lang.Object
implements org.apache.hadoop.util.ServicePlugin

JobTrackerPlugins are found in mapred.jobtracker.plugins, and are started and stopped by a PluginDispatcher during JobTracker start-up.


Constructor Summary
JobTrackerPlugin()
           
 
Method Summary
abstract  void start(java.lang.Object service)
           
abstract  void stop()
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface java.io.Closeable
close
 

Constructor Detail

JobTrackerPlugin

public JobTrackerPlugin()
Method Detail

start

public abstract void start(java.lang.Object service)
Specified by:
start in interface org.apache.hadoop.util.ServicePlugin

stop

public abstract void stop()
Specified by:
stop in interface org.apache.hadoop.util.ServicePlugin


Copyright © 2009 The Apache Software Foundation