org.alfresco.bm.driver.event

Class RandomWeightedSelector<T>

java.lang.Object

org.alfresco.bm.driver.event.RandomWeightedSelector<T>

public class RandomWeightedSelector<T>
extends Object

Since:

1.3

Author:

Steve Glover

Constructor Summary

Constructors

Constructor and Description
RandomWeightedSelector()

Method Summary

Modifier and Type	Method and Description
void	add(double weight, T result) Add an object to the list.
T	next() Chooses randomly from the list of objects based on the weightings provided.
int	size()

Methods inherited from class java.lang.Object

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

Constructor Detail

RandomWeightedSelector

public RandomWeightedSelector()

Method Detail

add

public void add(double weight,
                T result)

Add an object to the list.

Parameters:

weight - any relative weight that will give a larger or smaller chance of selection

result - the result to return, if chosen

next

public T next()

Chooses randomly from the list of objects based on the weightings provided.

Returns:

a randomly chosen instance of null if none are available

size

public int size()