mikera.randomz

Class ProbabilityPicker<O>

java.lang.Object

mikera.randomz.ProbabilityPicker<O>

public final class ProbabilityPicker<O>
extends Object

Constructor Summary

Constructors

Constructor and Description
ProbabilityPicker()

Method Summary

Methods

Modifier and Type	Method and Description
void	add(O object, double probability)
static int	childIndex(int i, int branch)
double	get(O o)
int	getCount()
int	getIndex(O o)
double	getTotal()
static int	order(int i)
static int	parentIndex(int i)
O	pick() Picks a random object
void	remove(Object object)
protected void	swap(int a, int b)
protected void	update(O o, double p)

Methods inherited from class java.lang.Object

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

Constructor Detail

ProbabilityPicker

public ProbabilityPicker()

Method Detail

pick

public O pick()

Picks a random object

Returns:

Random object chosen with associated relative probability

add

public void add(O object,
       double probability)

getIndex

public int getIndex(O o)

get

public double get(O o)

update

protected void update(O o,
          double p)

getTotal

public double getTotal()

getCount

public int getCount()

remove

public void remove(Object object)

swap

protected void swap(int a,
        int b)

parentIndex

public static int parentIndex(int i)

childIndex

public static int childIndex(int i,
             int branch)

order

public static int order(int i)