org.apache.ignite.internal.commandline.systemview

Class SystemViewCommand

java.lang.Object

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

org.apache.ignite.internal.commandline.systemview.SystemViewCommand

All Implemented Interfaces:

Command<VisorSystemViewTaskArg>

public class SystemViewCommand
extends AbstractCommand<VisorSystemViewTaskArg>

Represents command for SystemView content printing.

Field Summary

Fields

Modifier and Type	Field and Description
static String	COLUMN_SEPARATOR Column separator.

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

verbose

Constructor Summary

Constructors

Constructor and Description
SystemViewCommand()

Method Summary

Modifier and Type	Method and Description
VisorSystemViewTaskArg	arg()
Object	execute(GridClientConfiguration clientCfg, Logger log) Actual command execution.
String	name()
void	parseArguments(CommandArgIterator argIter) Parse command-specific arguments.
static void	printTable(List<String> titles, List<VisorSystemViewTask.SimpleType> types, List<List<?>> data, Logger log) Prints specified data rows as table.
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, usageCache

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

confirmationPrompt, experimental, extendToLen, prepareConfirmation, startClient, startClientBeforeNodeStart, usage, usage, usageParams

Field Detail

COLUMN_SEPARATOR

public static final String COLUMN_SEPARATOR

Column separator.

See Also:

Constant Field Values

Constructor Detail

SystemViewCommand

public SystemViewCommand()

Method Detail

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.

printTable

public static void printTable(List<String> titles,
                              List<VisorSystemViewTask.SimpleType> types,
                              List<List<?>> data,
                              Logger log)

Prints specified data rows as table.

Parameters:

titles - Titles of the table columns.

types - Types of the table columns.

data - Table data rows.

log - Logger.

parseArguments

public void parseArguments(CommandArgIterator argIter)

Parse command-specific arguments.

Parameters:

argIter - Argument iterator.

arg

public VisorSystemViewTaskArg arg()

Returns:

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

printUsage

public void printUsage(Logger log)

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

Parameters:

log - Logger to use.

name

public String name()

Returns:

command name.