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 Random random
- Constructor Summary
  
  Constructors
  Constructor Description
  
  MutatePermutationSwap(Rand random)
  Constructs a new MutatePermutation with the given mutation rate.
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  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 Detail
  - random
```
protected final Random random
```
- Constructor Detail
  - MutatePermutationSwap
```
@Inject
public MutatePermutationSwap(Rand random)
```
    Constructs a new MutatePermutation with the given mutation rate.
    
    Parameters:
    
    random - the random number generator
- Method Detail
  - 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