Package org.apache.drill.yarn.client

Class ClientCommand

java.lang.Object

org.apache.drill.yarn.client.ClientCommand

Direct Known Subclasses:

CleanCommand, HelpCommand, KillCommand, PrintConfigCommand, ResizeCommand, StartCommand, StatusCommand, StopCommand

public abstract class ClientCommand
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
protected CommandLineOptions	opts

Constructor Summary

Constructors

Constructor	Description
ClientCommand()

Method Summary

Modifier and Type	Method	Description
protected org.apache.hadoop.yarn.api.records.ApplicationId	checkAppId()
protected static File	getAppIdFile()	Return the path to the app id file.
protected YarnRMClient	getClient()
protected String	loadAppId(File appIdFile)
protected void	removeAppIdFile()
abstract void	run()
void	setOpts(CommandLineOptions opts)

Methods inherited from class java.lang.Object

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

Field Details

opts

protected CommandLineOptions opts

Constructor Details

ClientCommand

public ClientCommand()

Method Details

setOpts

public void setOpts(CommandLineOptions opts)

run

public abstract void run()
                  throws ClientException

Throws:

ClientException

getAppIdFile

protected static File getAppIdFile()

Return the path to the app id file. The file goes into the directory above Drill Home (which should be the folder that contains the localized archive) and is named for the ZK cluster (to ensure that the name is a valid file name.)

Returns:

checkAppId

protected org.apache.hadoop.yarn.api.records.ApplicationId checkAppId()
                                                               throws ClientException

Throws:

ClientException

getClient

protected YarnRMClient getClient()
                          throws ClientException

Throws:

ClientException

loadAppId

protected String loadAppId(File appIdFile)

removeAppIdFile

protected void removeAppIdFile()