Package org.apache.hadoop.yarn.server.nodemanager.nodelabels

Class NodeDescriptorsScriptRunner<T>

java.lang.Object

java.util.TimerTask

org.apache.hadoop.yarn.server.nodemanager.nodelabels.NodeDescriptorsScriptRunner<T>

Type Parameters:

T - a certain type of descriptor.

All Implemented Interfaces:

java.lang.Runnable

public abstract class NodeDescriptorsScriptRunner<T>
extends java.util.TimerTask

A node descriptors script runner periodically runs a script, parses the output to collect desired descriptors, and then post these descriptors to the given NodeDescriptorsProvider.

Constructor Summary

Constructors

Constructor	Description
NodeDescriptorsScriptRunner(java.lang.String scriptPath, java.lang.String[] scriptArgs, long scriptTimeout, NodeDescriptorsProvider ndProvider)

Method Summary

Modifier and Type	Method	Description
void	cleanUp()
void	run()

Methods inherited from class java.util.TimerTask

cancel, scheduledExecutionTime

Methods inherited from class java.lang.Object

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

Constructor Detail

NodeDescriptorsScriptRunner

public NodeDescriptorsScriptRunner(java.lang.String scriptPath,
                                   java.lang.String[] scriptArgs,
                                   long scriptTimeout,
                                   NodeDescriptorsProvider ndProvider)

Method Detail

run

public void run()

Specified by:

run in interface java.lang.Runnable

Specified by:

run in class java.util.TimerTask

cleanUp

public void cleanUp()