MutatePermutationSwap

java.lang.Object

org.opt4j.operator.mutate.MutatePermutationSwap

All Implemented Interfaces:: Operator<PermutationGenotype<?>>, Mutate<PermutationGenotype<?>>, MutatePermutation

public class MutatePermutationSwap extends Object implements MutatePermutation

Mutate operator for the PermutationGenotype. With a given mutation rate two elements are selected and swapped.

Given a permutation 1 2 3 4 5 6 7 8, this might result in 1 2 7 4 5 6 3 8.

Field Summary

Fields

Modifier and Type

Field

Description

protected final Random

random
Constructor Summary

Constructors

Constructor

Description

MutatePermutationSwap(Rand random)

Constructs a new MutatePermutation with the given mutation rate.
Method Summary

Modifier and Type

Method

Description

void

mutate(PermutationGenotype<?> genotype, double p)

Performs a mutation for a Genotype.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- random
  
  protected final Random random
Constructor Details
- MutatePermutationSwap
  
  @Inject public MutatePermutationSwap(Rand random)
  
  Constructs a new MutatePermutation with the given mutation rate.
  
  Parameters:
  
  random - the random number generator
Method Details
- mutate
  
  public void mutate(PermutationGenotype<?> genotype, double p)
  
  Description copied from interface: Mutate
  
  Performs a mutation for a Genotype.
  
  Specified by:
  
  mutate in interface Mutate<PermutationGenotype<?>>
  
  Parameters:
  
  genotype - the genotype to be mutated
  
  p - the mutation rate