NeighborPermutationSwap

java.lang.Object

org.opt4j.operator.neighbor.NeighborPermutationSwap

All Implemented Interfaces:: Operator<PermutationGenotype<?>>, Neighbor<PermutationGenotype<?>>, NeighborPermutation

public class NeighborPermutationSwap extends Object implements NeighborPermutation

Neighbor operator for the PermutationGenotype. 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

NeighborPermutationSwap(Rand random)

Constructs a NeighborPermutationSwap operator for the PermutationGenotype.
Method Summary

Modifier and Type

Method

Description

void

neighbor(PermutationGenotype<?> genotype)

Moves the Genotype to a neighbor.

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
- NeighborPermutationSwap
  
  @Inject public NeighborPermutationSwap(Rand random)
  
  Constructs a NeighborPermutationSwap operator for the PermutationGenotype.
  
  Parameters:
  
  random - the random number generator
Method Details
- neighbor
  
  public void neighbor(PermutationGenotype<?> genotype)
  
  Description copied from interface: Neighbor
  
  Moves the Genotype to a neighbor.
  
  Specified by:
  
  neighbor in interface Neighbor<PermutationGenotype<?>>
  
  Parameters:
  
  genotype - the Genotype to be changed