org.graphstream.boids
Class DemographicManager

java.lang.Object
  org.graphstream.boids.DemographicManager

All Implemented Interfaces:

BoidGraphListener

Direct Known Subclasses:

DemographicManager.SpeciesDemographicManager

public class DemographicManager
extends Object
implements BoidGraphListener

Handles the appearance and disappearance of boids.

Author:

Guilhelm Savin, Antoine Dutot

Nested Class Summary

static class

DemographicManager.SpeciesDemographicManager A demographic manager that handles boids species.

Constructor Summary

DemographicManager(BoidGraph ctx)

DemographicManager(BoidGraph ctx, Probability reproduceProbability, Probability deathProbability)

Method Summary

void	boidAdded(Boid boid) One boid was added.
void	boidDeleted(Boid boid) One boid was removed.
void	release() Release this manager, and remove as a listener for the graph.
void	setDeathProbability(Probability dp) Set the probability function for boid death.
void	setReproduceCondition(Probability rc) Set the probability function for boid reproduction.
void	step(double time) Call this method after each step of boid computation, to add or remove boids according to reproduction rules.

Methods inherited from class java.lang.Object

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

Constructor Detail

DemographicManager

public DemographicManager(BoidGraph ctx)

DemographicManager

public DemographicManager(BoidGraph ctx,
                          Probability reproduceProbability,
                          Probability deathProbability)

Method Detail

setReproduceCondition

public void setReproduceCondition(Probability rc)

Set the probability function for boid reproduction.

Parameters:

rc - The new probability.

setDeathProbability

public void setDeathProbability(Probability dp)

Set the probability function for boid death.

Parameters:

dp - The new probability.

boidAdded

public void boidAdded(Boid boid)

Description copied from interface: BoidGraphListener

One boid was added.

Specified by:

boidAdded in interface BoidGraphListener

Parameters:

boid - The added boid.

boidDeleted

public void boidDeleted(Boid boid)

Description copied from interface: BoidGraphListener

One boid was removed.

Specified by:

boidDeleted in interface BoidGraphListener

Parameters:

boid - The removed boid.

step

public void step(double time)

Call this method after each step of boid computation, to add or remove boids according to reproduction rules.

Specified by:

step in interface BoidGraphListener

Parameters:

time - The current iteration time.

release

public void release()

Release this manager, and remove as a listener for the graph.