yass.modularforwarding.scoring
Class RandomScoreGenerator

java.lang.Object
  yass.modularforwarding.scoring.ScoreGenerator
      yass.modularforwarding.scoring.RandomScoreGenerator

public class RandomScoreGenerator
extends ScoreGenerator

Generates a random score within a specified range each time a packet is supplied. The generated score is not stable between invocations for any given packet.

Field Summary

private double	maximumScore The maximum score which may be produced
private double	minimumScore The minimum score which may be produced
private java.util.Random	random The random number generator
private double	scoreRange The size of the minimum-to-maxium range that may be produced

Constructor Summary

RandomScoreGenerator(double minimumScore, double maximumScore)
Creates a new instance of RandomScoreGenerator

Method Summary

double	getMaximumScore() Obtains the maximum score that may be generated
double	getMinimumScore() Obtains the minimum score that may be generated
double	score(Packet packet) Randomly generate a score between the permitted minimum and maximum levels.
void	setRandomSeed(long seed) Resets the random number generator with the supplied seed

Methods inherited from class yass.modularforwarding.scoring.ScoreGenerator

getManager, setManager

Methods inherited from class java.lang.Object

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

Field Detail

minimumScore

private double minimumScore

The minimum score which may be produced

maximumScore

private double maximumScore

The maximum score which may be produced

scoreRange

private double scoreRange

The size of the minimum-to-maxium range that may be produced

random

private java.util.Random random

The random number generator

Constructor Detail

RandomScoreGenerator

public RandomScoreGenerator(double minimumScore,
                            double maximumScore)

Creates a new instance of RandomScoreGenerator

Parameters:

minimumScore - the minimum score which may be produced

maximumScore - the maximum score which may be produced

Method Detail

score

public double score(Packet packet)

Randomly generate a score between the permitted minimum and maximum levels. The supplied packet is ignored.

Specified by:

score in class ScoreGenerator

Parameters:

packet - the packet to ignore

Returns:

a randomly selected value in the interval [minimumScore, maximumScore]

setRandomSeed

public void setRandomSeed(long seed)

Resets the random number generator with the supplied seed

Parameters:

seed - the random number generator seed

getMinimumScore

public double getMinimumScore()

Obtains the minimum score that may be generated

Returns:

the minimum score that may be generated

getMaximumScore

public double getMaximumScore()

Obtains the maximum score that may be generated

Returns:

the maximum score that may be generated