org.uma.jmetal.operator.impl.localsearch

Class MutationLocalSearch

java.lang.Object

org.uma.jmetal.operator.impl.localsearch.MutationLocalSearch

All Implemented Interfaces:

Serializable, LocalSearchOperator<Solution>, Operator<Solution,Solution>

public class MutationLocalSearch
extends Object
implements LocalSearchOperator<Solution>

This class implements an local search operator based in the use of a mutation operator. An archive is used to store the non-dominated solutions found during the search.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
MutationLocalSearch(int improvementRounds, MutationOperator mutationOperator, Archive archive, Problem problem) Constructor.

Method Summary

Modifier and Type	Method and Description
Solution	execute(Solution solution) Executes the local search.
int	getEvaluations() Returns the number of evaluations

Methods inherited from class java.lang.Object

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

Constructor Detail

MutationLocalSearch

public MutationLocalSearch(int improvementRounds,
                           MutationOperator mutationOperator,
                           Archive archive,
                           Problem problem)

Constructor. Creates a new local search object.

Parameters:

improvementRounds - number of iterations

mutationOperator - mutation operator

archive - archive to store non-dominanted solution

problem - problem to resolve

Method Detail

execute

public Solution execute(Solution solution)

Executes the local search. The maximum number of iterations is given by the param "improvementRounds", which is in the parameter list of the operator. The archive to store the non-dominated solutions is also in the parameter list.

Specified by:

execute in interface Operator<Solution,Solution>

Parameters:

solution - representing a solution

Returns:

An object containing the new improved solution

getEvaluations

public int getEvaluations()

Returns the number of evaluations

Specified by:

getEvaluations in interface LocalSearchOperator<Solution>