org.apache.hadoop.hbase.master.balancer

Class DummyCostFunction

java.lang.Object

org.apache.hadoop.hbase.master.balancer.DummyCostFunction

public class DummyCostFunction
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.hadoop.hbase.master.balancer.BalancerClusterState	cluster
static double	COST_EPSILON

Constructor Summary

Constructors

Constructor and Description
DummyCostFunction()

Method Summary

Modifier and Type	Method and Description
protected double	cost()
(package private) float	getMultiplier()
(package private) boolean	isNeeded()
(package private) void	postAction(org.apache.hadoop.hbase.master.balancer.BalanceAction arg0)
(package private) void	prepare(org.apache.hadoop.hbase.master.balancer.BalancerClusterState arg0)
protected void	regionMoved(int arg0, int arg1, int arg2)
protected static double	scale(double arg0, double arg1, double arg2)
(package private) void	setMultiplier(float arg0)
void	updateWeight(double[] arg0)

Methods inherited from class java.lang.Object

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

Field Detail

COST_EPSILON

public static final double COST_EPSILON

See Also:

Constant Field Values

cluster

protected org.apache.hadoop.hbase.master.balancer.BalancerClusterState cluster

Constructor Detail

DummyCostFunction

public DummyCostFunction()

Method Detail

cost

protected double cost()

isNeeded

boolean isNeeded()

getMultiplier

float getMultiplier()

setMultiplier

void setMultiplier(float arg0)

prepare

void prepare(org.apache.hadoop.hbase.master.balancer.BalancerClusterState arg0)

postAction

void postAction(org.apache.hadoop.hbase.master.balancer.BalanceAction arg0)

regionMoved

protected void regionMoved(int arg0,
                           int arg1,
                           int arg2)

scale

protected static double scale(double arg0,
                              double arg1,
                              double arg2)

updateWeight

public void updateWeight(double[] arg0)