Population

java.lang.Object
- coreEngine.Calibration.Population

Direct Known Subclasses:

CAFBinPopulation, Cap2Population, ConstrCap1Pop, ConstrCap2Pop, HybridCDPPopulation, HybridPopulation, MDistCDPPopulation, MDistPopulation, PBCDPPopulation, PBPopulation
```
public abstract class Population
extends java.lang.Object
```
Author:

jltrask

Nested Class Summary

Nested Classes
Modifier and Type Class and Description

class Population.GAWorker

Nested Classes
Modifier and Type	Class and Description
`class`	`Population.GAWorker`

Field Summary

Fields
Modifier and Type	Field and Description
`float`	`adjustBasisPct`
`protected GeneticAlgorithm`	`alg` Genetic algorithm with parameters for this population instance
`protected float`	`bestFitness` Fitness value of top best organism found thus far
`protected float`	`currGenerationBestFitness` Fitness value of top best organism for current generation
`protected Organism[]`	`generation` Array of organisms making up the current generation of the population
`protected int`	`generationIdx` Index of the current generation held by the population data structure.
`static float`	`MAIN_AADT`
`protected int`	`minAllowRange`
`protected int`	`numPreserved` Value set after select method is called, indicates position to which the generation array has been filled so far
`protected int`	`numSelected` Value set after select method is called, indicates position to which the generation array has been filled so far
`static float[]`	`OFR_AADT`
`static float[]`	`ONR_AADT`
`protected int[]`	`popSizes` Array of population sizes associated with each parallel seed
`protected Organism[]`	`prevGen` Array of organisms making up the previous generation of the population
`int`	`printSeg`
`private java.util.concurrent.BlockingQueue<Operator>`	`queue` Queue of tasks for Parallel Run
`protected java.util.List<Result>`	`results` ArrayList of results
`protected Seed[]`	`seed` Seed for the algorithm instance
`private java.lang.Thread[]`	`thread` Array of threads for parallel calc fitness
`protected Organism`	`topBestOrg` Organism with the top best fitness found this far
`protected java.util.ArrayList<Result>`	`topOrgs` Array of n best organisms found to this point
`protected int`	`totalPopSize` Total Population Size

Constructor Summary

Constructors
Constructor and Description
`Population(GeneticAlgorithm alg, Seed[] seed, int popSize)`
`Population(GeneticAlgorithm alg, Seed[] seed, int popSize, java.util.List<Result> results)`

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method and Description
`protected void`	`adaptParameters()`
`abstract void`	`adjustSearchSpace(SearchSpace ss)`
`protected void`	`analyzeResults()` Analyze all organisms of the current generation.
`protected abstract Seed`	`applySolutionToSeed()`
`protected void`	`assignAllAFs()`
`private void`	`awaitCompletion()`
`protected void`	`calcAllFitnessParallel()`
`protected void`	`calcAllFitnessSeq()`
`void`	`calcPopulationDiversity()`
`abstract void`	`computeRanges()`
`protected abstract void`	`crossover()`
`abstract void`	`earthquake()`
`protected void`	`elitism()`
`void`	`evaluate()` Evaluate all organisms of the current generation.
`float`	`getBestFitness()`
`float`	`getCurrGenerationBestFitness()`
`Seed`	`getSeed(int seedIndex)`
`int`	`getSize()`
`Seed`	`getSolutionSeed()`
`float`	`getStartSeedBaseFitness()`
`Organism`	`getTopBestOrganism()`
`java.util.ArrayList<Result>`	`getTopOrganisms()`
`boolean`	`isOptimalToTol()`
`protected void`	`mutate()`
`abstract void`	`populate()`
`protected void`	`preserve()`
`void`	`printResults()`
`abstract void`	`repopulateFromAdjustedSS()`
`abstract void`	`repopulateFromTopOrgs()`
`void`	`runGeneration()` Runs the GA for the current generation.
`private void`	`setupTopOrgs()`
`private void`	`startGAWorkers(int n)`

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

Field Detail
- seed
```
protected final Seed[] seed
```
  Seed for the algorithm instance
- totalPopSize
```
protected final int totalPopSize
```
  Total Population Size
- popSizes
```
protected final int[] popSizes
```
  Array of population sizes associated with each parallel seed
- generation
```
protected final Organism[] generation
```
  Array of organisms making up the current generation of the population
- prevGen
```
protected Organism[] prevGen
```
  Array of organisms making up the previous generation of the population
- alg
```
protected final GeneticAlgorithm alg
```
  Genetic algorithm with parameters for this population instance
- topOrgs
```
protected final java.util.ArrayList<Result> topOrgs
```
  Array of n best organisms found to this point
- topBestOrg
```
protected Organism topBestOrg
```
  Organism with the top best fitness found this far
- bestFitness
```
protected float bestFitness
```
  Fitness value of top best organism found thus far
- currGenerationBestFitness
```
protected float currGenerationBestFitness
```
  Fitness value of top best organism for current generation
- numSelected
```
protected int numSelected
```
  Value set after select method is called, indicates position to which the generation array has been filled so far
- numPreserved
```
protected int numPreserved
```
  Value set after select method is called, indicates position to which the generation array has been filled so far
- generationIdx
```
protected int generationIdx
```
  Index of the current generation held by the population data structure. Incremented each time runGeneration is called.
- adjustBasisPct
```
public float adjustBasisPct
```
- minAllowRange
```
protected int minAllowRange
```
- results
```
protected java.util.List<Result> results
```
  ArrayList of results
- printSeg
```
public int printSeg
```
- queue
```
private java.util.concurrent.BlockingQueue<Operator> queue
```
  Queue of tasks for Parallel Run
- thread
```
private java.lang.Thread[] thread
```
  Array of threads for parallel calc fitness
- MAIN_AADT
```
public static float MAIN_AADT
```
- ONR_AADT
```
public static float[] ONR_AADT
```
- OFR_AADT
```
public static float[] OFR_AADT
```

Constructor Detail

Population

public Population(GeneticAlgorithm alg,
                  Seed[] seed,
                  int popSize)

Population

public Population(GeneticAlgorithm alg,
                  Seed[] seed,
                  int popSize,
                  java.util.List<Result> results)

Method Detail

populate
```
public abstract void populate()
```

applySolutionToSeed

protected abstract Seed applySolutionToSeed()

computeRanges
```
public abstract void computeRanges()
```

adjustSearchSpace

public abstract void adjustSearchSpace(SearchSpace ss)

repopulateFromAdjustedSS

public abstract void repopulateFromAdjustedSS()

getSolutionSeed
```
public Seed getSolutionSeed()
```

getSize
```
public int getSize()
```

setupTopOrgs
```
private void setupTopOrgs()
```

runGeneration
```
public void runGeneration()
```
Runs the GA for the current generation. Evaluate -> Select -> Elite/Preserve (optional) -> Crossover -> Mutate

evaluate
```
public void evaluate()
```
Evaluate all organisms of the current generation.

calcAllFitnessSeq
```
protected void calcAllFitnessSeq()
```

calcAllFitnessParallel

protected void calcAllFitnessParallel()

startGAWorkers
```
private void startGAWorkers(int n)
```

awaitCompletion
```
private void awaitCompletion()
```

analyzeResults
```
protected void analyzeResults()
```
Analyze all organisms of the current generation. Essentially performs a batch reliability run while creating the results list.

assignAllAFs
```
protected void assignAllAFs()
```

elitism
```
protected void elitism()
```

preserve
```
protected void preserve()
```

earthquake
```
public abstract void earthquake()
```

crossover
```
protected abstract void crossover()
```

mutate
```
protected void mutate()
```

isOptimalToTol
```
public boolean isOptimalToTol()
```

getBestFitness
```
public float getBestFitness()
```

getTopBestOrganism
```
public Organism getTopBestOrganism()
```

getCurrGenerationBestFitness

public float getCurrGenerationBestFitness()

calcPopulationDiversity
```
public void calcPopulationDiversity()
```

adaptParameters
```
protected void adaptParameters()
```

repopulateFromTopOrgs

public abstract void repopulateFromTopOrgs()

getTopOrganisms

public java.util.ArrayList<Result> getTopOrganisms()

getSeed
```
public Seed getSeed(int seedIndex)
```

printResults
```
public void printResults()
```

getStartSeedBaseFitness

public float getStartSeedBaseFitness()

Class Population

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

seed

totalPopSize

popSizes

generation

prevGen

alg

topOrgs

topBestOrg

bestFitness

currGenerationBestFitness

numSelected

numPreserved

generationIdx

adjustBasisPct

minAllowRange

results

printSeg

queue

thread

MAIN_AADT

ONR_AADT

OFR_AADT

Constructor Detail

Population

Population

Method Detail

populate

applySolutionToSeed

computeRanges

adjustSearchSpace

repopulateFromAdjustedSS

getSolutionSeed

getSize

setupTopOrgs

runGeneration

evaluate

calcAllFitnessSeq

calcAllFitnessParallel

startGAWorkers

awaitCompletion

analyzeResults

assignAllAFs

elitism

preserve

earthquake

crossover

mutate

isOptimalToTol

getBestFitness

getTopBestOrganism

getCurrGenerationBestFitness

calcPopulationDiversity

adaptParameters

repopulateFromTopOrgs

getTopOrganisms

getSeed

printResults

getStartSeedBaseFitness