org.apache.hadoop.hbase.chaos.policies

Class PeriodicRandomActionPolicy

java.lang.Object

org.apache.hadoop.hbase.util.StoppableImplementation

org.apache.hadoop.hbase.chaos.policies.Policy

org.apache.hadoop.hbase.chaos.policies.PeriodicPolicy

org.apache.hadoop.hbase.chaos.policies.PeriodicRandomActionPolicy

All Implemented Interfaces:

Runnable, org.apache.hadoop.hbase.Stoppable

public class PeriodicRandomActionPolicy
extends PeriodicPolicy

A policy, which picks a random action according to the given weights, and performs it every configurable period.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hbase.chaos.policies.Policy

Policy.PolicyContext

Field Summary

Fields

Modifier and Type	Field and Description
private List<org.apache.hadoop.hbase.util.Pair<Action,Integer>>	actions

Fields inherited from class org.apache.hadoop.hbase.chaos.policies.Policy

context, LOG

Constructor Summary

Constructors

Constructor and Description
PeriodicRandomActionPolicy(long periodMs, Action... actions)
PeriodicRandomActionPolicy(long periodMs, List<org.apache.hadoop.hbase.util.Pair<Action,Integer>> actions)
PeriodicRandomActionPolicy(long periodMs, org.apache.hadoop.hbase.util.Pair<Action,Integer>... actions)

Method Summary

Modifier and Type	Method and Description
void	init(Policy.PolicyContext context)
protected void	runOneIteration()

Methods inherited from class org.apache.hadoop.hbase.chaos.policies.PeriodicPolicy

run

Methods inherited from class org.apache.hadoop.hbase.util.StoppableImplementation

isStopped, stop

Methods inherited from class java.lang.Object

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

Field Detail

actions

private List<org.apache.hadoop.hbase.util.Pair<Action,Integer>> actions

Constructor Detail

PeriodicRandomActionPolicy

public PeriodicRandomActionPolicy(long periodMs,
                                  List<org.apache.hadoop.hbase.util.Pair<Action,Integer>> actions)

PeriodicRandomActionPolicy

public PeriodicRandomActionPolicy(long periodMs,
                                  org.apache.hadoop.hbase.util.Pair<Action,Integer>... actions)

PeriodicRandomActionPolicy

public PeriodicRandomActionPolicy(long periodMs,
                                  Action... actions)

Method Detail

runOneIteration

protected void runOneIteration()

Specified by:

runOneIteration in class PeriodicPolicy

init

public void init(Policy.PolicyContext context)
          throws Exception

Overrides:

init in class PeriodicPolicy

Throws:

Exception