alluxio.cli.fsadmin.journal

Class QuorumElectCommand

java.lang.Object

alluxio.cli.fsadmin.command.AbstractFsAdminCommand

alluxio.cli.fsadmin.journal.QuorumElectCommand

All Implemented Interfaces:

Command, Closeable, AutoCloseable

public class QuorumElectCommand
extends AbstractFsAdminCommand

Command for transferring the leadership to another master within a quorum.

Field Summary

Fields

Modifier and Type	Field and Description
static String	ADDRESS_OPTION_NAME
static String	RESET_FAILED
static String	RESET_INIT
static String	RESET_SUCCESS
static String	TRANSFER_FAILED
static String	TRANSFER_INIT
static String	TRANSFER_SUCCESS

Fields inherited from class alluxio.cli.fsadmin.command.AbstractFsAdminCommand

mBlockClient, mFsClient, mJobMasterClient, mJobMasterJournalMasterClient, mMasterJournalMasterClient, mMetaClient, mMetaConfigClient, mMetricsClient, mPrintStream

Constructor Summary

Constructors

Constructor and Description
QuorumElectCommand(Context context, AlluxioConfiguration alluxioConf)

Method Summary

Modifier and Type	Method and Description
static String	description()
String	getCommandName() Gets the command name as input from the shell.
String	getDescription()
org.apache.commons.cli.Options	getOptions()
String	getUsage()
int	run(org.apache.commons.cli.CommandLine cl) Runs the command.
void	validateArgs(org.apache.commons.cli.CommandLine cl) Checks if the arguments are valid or throw InvalidArgumentException.

Methods inherited from class java.lang.Object

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

Methods inherited from interface alluxio.cli.Command

close, getSubCommands, hasSubCommand, parseAndValidateArgs

Field Detail

ADDRESS_OPTION_NAME

public static final String ADDRESS_OPTION_NAME

See Also:

Constant Field Values

TRANSFER_INIT

public static final String TRANSFER_INIT

See Also:

Constant Field Values

TRANSFER_SUCCESS

public static final String TRANSFER_SUCCESS

See Also:

Constant Field Values

TRANSFER_FAILED

public static final String TRANSFER_FAILED

See Also:

Constant Field Values

RESET_INIT

public static final String RESET_INIT

See Also:

Constant Field Values

RESET_SUCCESS

public static final String RESET_SUCCESS

See Also:

Constant Field Values

RESET_FAILED

public static final String RESET_FAILED

See Also:

Constant Field Values

Constructor Detail

QuorumElectCommand

public QuorumElectCommand(Context context,
                          AlluxioConfiguration alluxioConf)

Parameters:

context - fsadmin command context

alluxioConf - Alluxio configuration

Method Detail

description

public static String description()

Returns:

command's description

run

public int run(org.apache.commons.cli.CommandLine cl)
        throws IOException

Description copied from interface: Command

Runs the command.

Parameters:

cl - the parsed command line for the arguments

Returns:

the result of running the command

Throws:

IOException

validateArgs

public void validateArgs(org.apache.commons.cli.CommandLine cl)
                  throws InvalidArgumentException

Description copied from interface: Command

Checks if the arguments are valid or throw InvalidArgumentException.

Parameters:

cl - the parsed command line for the arguments

Throws:

InvalidArgumentException - when arguments are not valid

getCommandName

public String getCommandName()

Description copied from interface: Command

Gets the command name as input from the shell.

Returns:

the command name

getUsage

public String getUsage()

Returns:

the usage information of the command

getDescription

public String getDescription()

Returns:

the description information of the command

getOptions

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

Returns:

the supported Options of the command