org.apache.ignite.internal.management.cache

Class CacheContentionCommand

java.lang.Object

org.apache.ignite.internal.management.cache.CacheContentionCommand

All Implemented Interfaces:

Command<CacheContentionCommandArg,ContentionTaskResult>, ComputeCommand<CacheContentionCommandArg,ContentionTaskResult>

public class CacheContentionCommand
extends Object
implements ComputeCommand<CacheContentionCommandArg,ContentionTaskResult>

Prints info about contended keys (the keys concurrently locked from multiple transactions).

Field Summary

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

CMD_NAME_POSTFIX

Constructor Summary

Constructors

Constructor and Description
CacheContentionCommand()

Method Summary

Modifier and Type	Method and Description
Class<CacheContentionCommandArg>	argClass()
String	description() Command description.
Collection<GridClientNode>	nodes(Collection<GridClientNode> nodes, CacheContentionCommandArg arg)
void	printResult(CacheContentionCommandArg arg, ContentionTaskResult res, Consumer<String> printer) Prints command result to the user.
Class<ContentionTask>	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

Constructor Detail

CacheContentionCommand

public CacheContentionCommand()

Method Detail

description

public String description()

Command description.

Specified by:

description in interface Command<CacheContentionCommandArg,ContentionTaskResult>

argClass

public Class<CacheContentionCommandArg> argClass()

Specified by:

argClass in interface Command<CacheContentionCommandArg,ContentionTaskResult>

Returns:

Arguments class.

taskClass

public Class<ContentionTask> taskClass()

Specified by:

taskClass in interface ComputeCommand<CacheContentionCommandArg,ContentionTaskResult>

Returns:

Task class.

nodes

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

Specified by:

nodes in interface ComputeCommand<CacheContentionCommandArg,ContentionTaskResult>

Parameters:

nodes - Live nodes.

arg - Argument.

Returns:

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

printResult

public void printResult(CacheContentionCommandArg arg,
                        ContentionTaskResult res,
                        Consumer<String> printer)

Prints command result to the user.

Specified by:

printResult in interface ComputeCommand<CacheContentionCommandArg,ContentionTaskResult>

Parameters:

arg - Argument.

res - Result.

printer - Implementation specific printer.