Package 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	Description
CacheContentionCommand()

Method Summary

Modifier and Type	Method	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

Methods inherited from interface org.apache.ignite.internal.management.api.ComputeCommand

handleException

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.