PhrGeneticAlgorithm

java.lang.Object
- jm.music.tools.ga.PhrGeneticAlgorithm

public class PhrGeneticAlgorithm
extends java.lang.Object

Field Summary

Fields
Modifier and Type	Field and Description
`protected int`	`beatsPerBar`
`protected boolean`	`finished`
`protected double[]`	`fitness`
`protected FitnessEvaluater`	`fitnessEvaluater`
`protected double`	`initialLength`
`protected int`	`initialSize`
`protected long`	`iteration`
`protected Mutater`	`mutater`
`protected int`	`originalSize`
`protected ParentSelector`	`parentSelector`
`protected Phrase[]`	`population`
`protected PopulationInitialiser`	`populationInitialiser`
`protected Recombiner`	`recombiner`
`protected SurvivorSelector`	`survivorSelector`
`protected TerminationCriteria`	`terminationCriteria`

Constructor Summary

Constructors
Constructor and Description
`PhrGeneticAlgorithm(Phrase phrase, int beatsPerBar, PopulationInitialiser populationInitialiser, FitnessEvaluater fitnessEvaluater, TerminationCriteria terminationCriteria, ParentSelector parentSelector, Recombiner recombiner, Mutater mutater, SurvivorSelector survivorSelector)`

Method Summary

Methods
Modifier and Type	Method and Description
`double`	`getAverageFitness()`
`double`	`getBestFitness()`
`Phrase`	`getBestIndividual()`
`double[]`	`getFitness()`
`long`	`getIteration()`
`Mutater`	`getMutater()`
`Phrase[]`	`getOrderedPopulation()` Returns the population ordered by fitness with better fitness' first.
`Phrase[]`	`getPopulation()`
`double`	`getStandardDeviation()`
`boolean`	`iterate()` Evolve the population through one generation.
`long`	`iterate(long iterations)` Evolve the population through the specified number of generations.
`void`	`restoreInitialSize()`
`void`	`setBeatsPerBar(int beats)`
`void`	`setUpNewPopulation(Phrase phrase)`
`void`	`zeroInitialSize()`

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

Field Detail

population
```
protected Phrase[] population
```

fitness
```
protected double[] fitness
```

populationInitialiser

protected PopulationInitialiser populationInitialiser

fitnessEvaluater

protected FitnessEvaluater fitnessEvaluater

terminationCriteria

protected TerminationCriteria terminationCriteria

parentSelector

protected ParentSelector parentSelector

recombiner
```
protected Recombiner recombiner
```

mutater
```
protected Mutater mutater
```

survivorSelector

protected SurvivorSelector survivorSelector

beatsPerBar
```
protected int beatsPerBar
```

iteration
```
protected long iteration
```

initialLength
```
protected double initialLength
```

initialSize
```
protected int initialSize
```

originalSize
```
protected int originalSize
```

finished
```
protected boolean finished
```

Constructor Detail

PhrGeneticAlgorithm

public PhrGeneticAlgorithm(Phrase phrase,
                   int beatsPerBar,
                   PopulationInitialiser populationInitialiser,
                   FitnessEvaluater fitnessEvaluater,
                   TerminationCriteria terminationCriteria,
                   ParentSelector parentSelector,
                   Recombiner recombiner,
                   Mutater mutater,
                   SurvivorSelector survivorSelector)

Method Detail

setUpNewPopulation

public void setUpNewPopulation(Phrase phrase)

setBeatsPerBar

public void setBeatsPerBar(int beats)

zeroInitialSize
```
public void zeroInitialSize()
```

restoreInitialSize
```
public void restoreInitialSize()
```

getIteration
```
public long getIteration()
```

iterate
```
public boolean iterate()
```
Evolve the population through one generation.

iterate
```
public long iterate(long iterations)
```
Evolve the population through the specified number of generations.

getFitness
```
public double[] getFitness()
```

getPopulation
```
public Phrase[] getPopulation()
```

getOrderedPopulation
```
public Phrase[] getOrderedPopulation()
```
Returns the population ordered by fitness with better fitness' first.

getBestFitness
```
public double getBestFitness()
```

getAverageFitness
```
public double getAverageFitness()
```

getStandardDeviation
```
public double getStandardDeviation()
```

getBestIndividual
```
public Phrase getBestIndividual()
```

getMutater
```
public Mutater getMutater()
```

Class PhrGeneticAlgorithm

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

population

fitness

populationInitialiser

fitnessEvaluater

terminationCriteria

parentSelector

recombiner

mutater

survivorSelector

beatsPerBar

iteration

initialLength

initialSize

originalSize

finished

Constructor Detail

PhrGeneticAlgorithm

Method Detail

setUpNewPopulation

setBeatsPerBar

zeroInitialSize

restoreInitialSize

getIteration

iterate

iterate

getFitness

getPopulation

getOrderedPopulation

getBestFitness

getAverageFitness

getStandardDeviation

getBestIndividual

getMutater