org.dishevelled.swarm
Class ParticleSwarmImpl

java.lang.Object
  org.dishevelled.swarm.ParticleSwarmImpl

All Implemented Interfaces:

Iterable<Particle>, ParticleSwarm

final class ParticleSwarmImpl
extends Object
implements ParticleSwarm

Particle swarm implementation.

Version:

$Revision$ $Date$

Author:

Michael Heuer

Constructor Summary

ParticleSwarmImpl(int particles, int dimensions)
Create a new particle swarm implementation with the specified number of particles and number of dimensions.

Method Summary

(package private) double[]	getCognitiveMemory(int particle) Return a view of the cognitive memory matrix for the specified particle.
(package private) double	getCognitiveMemory(int particle, int dimension) Return the cognitive memory for the specified particle and dimension.
int	getDimensions() Return the number of dimensions for this particle swarm.
(package private) double	getFitness(int particle) Return the fitness for the specified particle.
int	getParticles() Return the number of particles in this particle swarm.
(package private) double[]	getPosition(int particle) Return a view of the position matrix for the specified particle.
(package private) double	getPosition(int particle, int dimension) Return the position for the specified particle and dimension.
double[]	getSocialMemory() Return a view of the social memory matrix for this particle swarm.
(package private) double	getSocialMemory(int dimension) Return the social memory for this particle swarm for the specified dimension.
(package private) double[]	getVelocity(int particle) Return a view of the velocity matrix for the specified particle.
(package private) double	getVelocity(int particle, int dimension) Return the velocity for the specified particle and dimension.
Iterator<Particle>	iterator()
(package private) void	setFitness(int particle, double fitness) Set the fitness for the specified particle to fitness.
(package private) void	setPosition(int particle, int dimension, double position) Set the position for the specified particle and dimension to position.
(package private) void	setVelocity(int particle, int dimension, double velocity) Set the velocity for the specified particle and dimension to velocity.
(package private) void	updateCognitiveMemory(int particle) Update the cognitive memory for the specified particle.
(package private) void	updateSocialMemory(int particle) Update the social memory for this particle swarm from the position of the specified particle.

Methods inherited from class java.lang.Object

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

Constructor Detail

ParticleSwarmImpl

ParticleSwarmImpl(int particles,
                  int dimensions)

Create a new particle swarm implementation with the specified number of particles and number of dimensions.

Parameters:

particles - number of particles for this particle swarm implementation, must be >= 1

dimensions - number of dimensions for this particle swarm implementation, must be >= 1

Method Detail

getParticles

public int getParticles()

Return the number of particles in this particle swarm.

Specified by:

getParticles in interface ParticleSwarm

Returns:

the number of particles in this particle swarm

getDimensions

public int getDimensions()

Return the number of dimensions for this particle swarm.

Specified by:

getDimensions in interface ParticleSwarm

Returns:

the number of dimensions for this particle swarm

getPosition

double[] getPosition(int particle)

Return a view of the position matrix for the specified particle.

Parameters:

particle - particle

Returns:

a view of the position matrix for the specified particle

getPosition

double getPosition(int particle,
                   int dimension)

Return the position for the specified particle and dimension.

Parameters:

particle - particle

dimension - dimension

Returns:

the position for the specified particle and dimension

setPosition

void setPosition(int particle,
                 int dimension,
                 double position)

Set the position for the specified particle and dimension to position.

Parameters:

particle - particle

dimension - dimension

position - position

getVelocity

double[] getVelocity(int particle)

Return a view of the velocity matrix for the specified particle.

Parameters:

particle - particle

Returns:

a view of the velocity matrix for the specified particle

getVelocity

double getVelocity(int particle,
                   int dimension)

Return the velocity for the specified particle and dimension.

Parameters:

particle - particle

dimension - dimension

Returns:

the velocity for the specified particle and dimension

setVelocity

void setVelocity(int particle,
                 int dimension,
                 double velocity)

Set the velocity for the specified particle and dimension to velocity.

Parameters:

particle - particle

dimension - dimension

velocity - velocity

getCognitiveMemory

double[] getCognitiveMemory(int particle)

Return a view of the cognitive memory matrix for the specified particle.

Parameters:

particle - particle

Returns:

a view of the cognitive memory matrix for the specified particle

getCognitiveMemory

double getCognitiveMemory(int particle,
                          int dimension)

Return the cognitive memory for the specified particle and dimension.

Parameters:

particle - particle

dimension - dimension

Returns:

the cognitive memory for the specified particle and dimension

getSocialMemory

public double[] getSocialMemory()

Return a view of the social memory matrix for this particle swarm. The length of the array will be equal to the number of dimensions for this particle swarm.

Specified by:

getSocialMemory in interface ParticleSwarm

Returns:

a view of the social memory matrix for this particle swarm

getSocialMemory

double getSocialMemory(int dimension)

Return the social memory for this particle swarm for the specified dimension.

Parameters:

dimension - dimension

Returns:

the social memory for this particle swarm for the specified dimension

getFitness

double getFitness(int particle)

Return the fitness for the specified particle.

Parameters:

particle - particle

Returns:

the fitness for the specified particle

setFitness

void setFitness(int particle,
                double fitness)

Set the fitness for the specified particle to fitness.

Parameters:

particle - particle

fitness - fitness

updateCognitiveMemory

void updateCognitiveMemory(int particle)

Update the cognitive memory for the specified particle.

Parameters:

particle - particle

updateSocialMemory

void updateSocialMemory(int particle)

Update the social memory for this particle swarm from the position of the specified particle.

Parameters:

particle - particle

iterator

public Iterator<Particle> iterator()

Specified by:

iterator in interface Iterable<Particle>