Package org.apache.hadoop.yarn.client.cli

Class NodeAttributesCLI.CommandHandler

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.hadoop.yarn.client.cli.NodeAttributesCLI.CommandHandler

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable

Direct Known Subclasses:

NodeAttributesCLI.AdminCommandHandler, NodeAttributesCLI.ClientCommandHandler

Enclosing class:

NodeAttributesCLI

public abstract static class NodeAttributesCLI.CommandHandler
extends org.apache.hadoop.conf.Configured

Abstract class for command handler.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	CommandHandler(String header)
protected	CommandHandler(org.apache.hadoop.conf.Configuration conf)

Method Summary

Modifier and Type	Method	Description
protected void	addOrder(String key)
abstract org.apache.commons.cli.Options	buildOptions()
boolean	canHandleCommand(org.apache.commons.cli.CommandLine parse)
void	getHelp(StringBuilder builder, boolean description)
boolean	getHelp(String cmd, StringBuilder strcnd, boolean addDesc)
org.apache.commons.cli.Options	getOptions()
abstract int	handleCommand(org.apache.commons.cli.CommandLine parse)

Methods inherited from class org.apache.hadoop.conf.Configured

getConf, setConf

Methods inherited from class java.lang.Object

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

Constructor Details

CommandHandler

protected CommandHandler(String header)

CommandHandler

protected CommandHandler(org.apache.hadoop.conf.Configuration conf)

Method Details

canHandleCommand

public boolean canHandleCommand(org.apache.commons.cli.CommandLine parse)

handleCommand

public abstract int handleCommand(org.apache.commons.cli.CommandLine parse)
                           throws IOException,
org.apache.hadoop.yarn.exceptions.YarnException

Throws:

IOException

org.apache.hadoop.yarn.exceptions.YarnException

buildOptions

public abstract org.apache.commons.cli.Options buildOptions()

getOptions

public org.apache.commons.cli.Options getOptions()

getHelp

public boolean getHelp(String cmd,
 StringBuilder strcnd,
 boolean addDesc)

getHelp

public void getHelp(StringBuilder builder,
 boolean description)

addOrder

protected void addOrder(String key)