org.apache.ignite.internal.commandline

Class ClusterStateChangeCommand

java.lang.Object

org.apache.ignite.internal.commandline.AbstractCommand<ClusterState>

org.apache.ignite.internal.commandline.ClusterStateChangeCommand

All Implemented Interfaces:

Command<ClusterState>

public class ClusterStateChangeCommand
extends AbstractCommand<ClusterState>

Command to change cluster state.

Field Summary

Fields

Modifier and Type	Field and Description
static String	FORCE_COMMAND Flag of forced cluster deactivation.

Fields inherited from class org.apache.ignite.internal.commandline.AbstractCommand

verbose

Constructor Summary

Constructors

Constructor and Description
ClusterStateChangeCommand()

Method Summary

Modifier and Type	Method and Description
ClusterState	arg()
String	confirmationPrompt()
Object	execute(GridClientConfiguration clientCfg, Logger log) Actual command execution.
String	name()
void	parseArguments(CommandArgIterator argIter) Parse command-specific arguments.
void	prepareConfirmation(GridClientConfiguration clientCfg) Prepares confirmation for the command.
void	printUsage(Logger log) Print info for user about command (parameters, use cases and so on).

Methods inherited from class org.apache.ignite.internal.commandline.AbstractCommand

execute

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.ignite.internal.commandline.Command

experimental, experimentalEnabled, extendToLen, startClient, startClientBeforeNodeStart, usage, usage, usageParams

Field Detail

FORCE_COMMAND

public static final String FORCE_COMMAND

Flag of forced cluster deactivation.

See Also:

Constant Field Values

Constructor Detail

ClusterStateChangeCommand

public ClusterStateChangeCommand()

Method Detail

printUsage

public void printUsage(Logger log)

Print info for user about command (parameters, use cases and so on).

Parameters:

log - Logger to use.

prepareConfirmation

public void prepareConfirmation(GridClientConfiguration clientCfg)
                         throws Exception

Prepares confirmation for the command.

Parameters:

clientCfg - Thin client configuration.

Throws:

Exception - If error occur.

confirmationPrompt

public String confirmationPrompt()

Returns:

Message text to show user for. If null it means that confirmation is not needed.

execute

public Object execute(GridClientConfiguration clientCfg,
                      Logger log)
               throws Exception

Actual command execution. Parameters for run should be already set by calling parseArguments method.

Parameters:

clientCfg - Thin client configuration if connection to cluster is necessary.

log - Logger to use.

Returns:

Result of operation (mostly usable for tests).

Throws:

Exception - If error occur.

parseArguments

public void parseArguments(CommandArgIterator argIter)

Parse command-specific arguments.

Parameters:

argIter - Argument iterator.

arg

public ClusterState arg()

Returns:

Command arguments which were parsed during Command.parseArguments(CommandArgIterator) call.

name

public String name()

Returns:

command name.