org.apache.ignite.internal.management

Class SystemViewCommand

java.lang.Object

org.apache.ignite.internal.management.SystemViewCommand

All Implemented Interfaces:

Command<SystemViewCommandArg,SystemViewTaskResult>, ComputeCommand<SystemViewCommandArg,SystemViewTaskResult>

public class SystemViewCommand
extends Object
implements ComputeCommand<SystemViewCommandArg,SystemViewTaskResult>

Command for printing system view content.

Field Summary

Fields

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

Fields inherited from interface org.apache.ignite.internal.management.api.Command

CMD_NAME_POSTFIX

Constructor Summary

Constructors

Constructor and Description
SystemViewCommand()

Method Summary

Modifier and Type	Method and Description
Class<SystemViewCommandArg>	argClass()
String	description() Command description.
Collection<GridClientNode>	nodes(Collection<GridClientNode> nodes, SystemViewCommandArg arg)
void	printResult(SystemViewCommandArg arg, SystemViewTaskResult res, Consumer<String> printer) Prints command result to the user.
static void	printTable(List<String> titles, List<SystemViewTask.SimpleType> types, List<List<?>> data, Consumer<String> printer) Prints specified data rows as table.
Class<SystemViewTask>	taskClass()

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.management.api.Command

confirmationPrompt, deprecationMessage

Field Detail

COLUMN_SEPARATOR

public static final String COLUMN_SEPARATOR

Column separator.

See Also:

Constant Field Values

Constructor Detail

SystemViewCommand

public SystemViewCommand()

Method Detail

description

public String description()

Command description.

Specified by:

description in interface Command<SystemViewCommandArg,SystemViewTaskResult>

argClass

public Class<SystemViewCommandArg> argClass()

Specified by:

argClass in interface Command<SystemViewCommandArg,SystemViewTaskResult>

Returns:

Arguments class.

taskClass

public Class<SystemViewTask> taskClass()

Specified by:

taskClass in interface ComputeCommand<SystemViewCommandArg,SystemViewTaskResult>

Returns:

Task class.

nodes

public Collection<GridClientNode> nodes(Collection<GridClientNode> nodes,
                                        SystemViewCommandArg arg)

Specified by:

nodes in interface ComputeCommand<SystemViewCommandArg,SystemViewTaskResult>

Parameters:

nodes - Live nodes.

arg - Argument.

Returns:

nodes to execute command on, null means default node must be used.

printResult

public void printResult(SystemViewCommandArg arg,
                        SystemViewTaskResult res,
                        Consumer<String> printer)

Prints command result to the user.

Specified by:

printResult in interface ComputeCommand<SystemViewCommandArg,SystemViewTaskResult>

Parameters:

arg - Argument.

res - Result.

printer - Implementation specific printer.

printTable

public static void printTable(List<String> titles,
                              List<SystemViewTask.SimpleType> types,
                              List<List<?>> data,
                              Consumer<String> printer)

Prints specified data rows as table.

Parameters:

titles - Titles of the table columns.

types - Types of the table columns.

data - Table data rows.

printer - Result printer.