org.moeaframework.core.operator
Class RandomInitialization

java.lang.Object
  org.moeaframework.core.operator.RandomInitialization

All Implemented Interfaces:

Initialization

Direct Known Subclasses:

InjectedInitialization

public class RandomInitialization
extends Object
implements Initialization

Initializes all built-in decision variables randomly. The initialize(Variable) method can be extended to provide support for other types.

Field Summary

protected int	populationSize The initial population size.
protected Problem	problem The problem.

Constructor Summary

RandomInitialization(Problem problem, int populationSize)
Constructs a random initialization operator.

Method Summary

Solution[]	initialize() Returns an array of solutions to become the initial population.
protected void	initialize(Variable variable) Initializes the specified decision variable randomly.

Methods inherited from class java.lang.Object

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

Field Detail

problem

protected final Problem problem

The problem.

populationSize

protected final int populationSize

The initial population size.

Constructor Detail

RandomInitialization

public RandomInitialization(Problem problem,
                            int populationSize)

Constructs a random initialization operator.

Parameters:

problem - the problem

populationSize - the initial population size

Method Detail

initialize

public Solution[] initialize()

Description copied from interface: Initialization

Returns an array of solutions to become the initial population.

Specified by:

initialize in interface Initialization

Returns:

an array of solutions to become the initial population

initialize

protected void initialize(Variable variable)

Initializes the specified decision variable randomly. This method supports all built-in types, and can be extended to support custom types.

Parameters:

variable - the variable to be initialized