org.apache.hadoop.hbase.chaos.monkies

Class CalmChaosMonkey

java.lang.Object

org.apache.hadoop.hbase.chaos.monkies.ChaosMonkey

org.apache.hadoop.hbase.chaos.monkies.CalmChaosMonkey

All Implemented Interfaces:

Stoppable

public class CalmChaosMonkey
extends ChaosMonkey

Chaos Monkey that does nothing.

Constructor Summary

Constructors

Constructor and Description
CalmChaosMonkey()

Method Summary

Modifier and Type	Method and Description
boolean	isDestructive() Returns whether the CM does destructive actions (killing servers) so that a cluster restore is needed after CM is stopped.
boolean	isStopped()
void	start()
void	stop(String why) Stop this service.
void	waitForStop()

Methods inherited from class java.lang.Object

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

Constructor Detail

CalmChaosMonkey

public CalmChaosMonkey()

Method Detail

start

public void start()
           throws Exception

Specified by:

start in class ChaosMonkey

Throws:

Exception

stop

public void stop(String why)

Description copied from interface: Stoppable

Stop this service.

Specified by:

stop in interface Stoppable

Specified by:

stop in class ChaosMonkey

Parameters:

why - Why we're stopping.

isStopped

public boolean isStopped()

Specified by:

isStopped in interface Stoppable

Specified by:

isStopped in class ChaosMonkey

Returns:

True if Stoppable.stop(String) has been closed.

waitForStop

public void waitForStop()
                 throws InterruptedException

Specified by:

waitForStop in class ChaosMonkey

Throws:

InterruptedException

isDestructive

public boolean isDestructive()

Description copied from class: ChaosMonkey

Returns whether the CM does destructive actions (killing servers) so that a cluster restore is needed after CM is stopped. Otherwise cluster will be left as it is

Specified by:

isDestructive in class ChaosMonkey