Module io.jenetics.base

Package io.jenetics.engine

Class Evaluators

java.lang.Object

io.jenetics.engine.Evaluators

public final class Evaluators
extends Object

This class contains factory methods for creating commonly usable Evaluator implementations.

Since:

5.0

Version:

8.0

See Also:

• Evaluator

Method Summary

Modifier and Type	Method	Description
static <G extends Gene<?, G>, C extends Comparable<? super C>> Evaluator<G,C>	async(Function<? super Genotype<G>,? extends Future<C>> fitness)	Return a new fitness evaluator, which evaluates asynchronous fitness functions.
static <T, G extends Gene<?, G>, C extends Comparable<? super C>> Evaluator<G,C>	async(Function<? super T,? extends Future<C>> fitness, Codec<T,G> codec)	Return a new fitness evaluator, which evaluates asynchronous fitness functions.
static <T, G extends Gene<?, G>, C extends Comparable<? super C>> Evaluator<G,C>	async(Function<? super T,? extends Future<C>> fitness, Function<? super Genotype<G>,? extends T> decoder)	Return a new fitness evaluator, which evaluates asynchronous fitness functions.
static <G extends Gene<?, G>, C extends Comparable<? super C>> Evaluator<G,C>	completable(Function<? super Genotype<G>,? extends CompletableFuture<C>> fitness)	Return a new fitness evaluator, which evaluates asynchronous fitness functions.
static <T, G extends Gene<?, G>, C extends Comparable<? super C>> Evaluator<G,C>	completable(Function<? super T,? extends CompletableFuture<C>> fitness, Codec<T,G> codec)	Return a new fitness evaluator, which evaluates asynchronous fitness functions.
static <T, G extends Gene<?, G>, C extends Comparable<? super C>> Evaluator<G,C>	completable(Function<? super T,? extends CompletableFuture<C>> fitness, Function<? super Genotype<G>,? extends T> decoder)	Return a new fitness evaluator, which evaluates asynchronous fitness functions.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

async

public static <G extends Gene<?,
G>,
C extends Comparable<? super C>>
Evaluator<G,C> async(Function<? super Genotype<G>,? extends Future<C>> fitness)

Return a new fitness evaluator, which evaluates asynchronous fitness functions.

Type Parameters:

G - the gene type

C - the fitness value type

Parameters:

fitness - the asynchronous fitness function

Returns:

a new (asynchronous) fitness evaluator

Throws:

NullPointerException - if one of the arguments is null

See Also:

• completable(Function)

async

public static <T,
G extends Gene<?,
G>,
C extends Comparable<? super C>>
Evaluator<G,C> async(Function<? super T,? extends Future<C>> fitness,
 Function<? super Genotype<G>,? extends T> decoder)

Return a new fitness evaluator, which evaluates asynchronous fitness functions.

Type Parameters:

T - the native fitness domain type

G - the gene type

C - the fitness value type

Parameters:

fitness - the asynchronous fitness function, working on the native fitness domain

decoder - the decoder function for the fitness domain

Returns:

a new (async) fitness evaluator

Throws:

NullPointerException - if one of the arguments is null

async

public static <T,
G extends Gene<?,
G>,
C extends Comparable<? super C>>
Evaluator<G,C> async(Function<? super T,? extends Future<C>> fitness,
 Codec<T,G> codec)

Return a new fitness evaluator, which evaluates asynchronous fitness functions.

Type Parameters:

T - the native fitness domain type

G - the gene type

C - the fitness value type

Parameters:

fitness - the asynchronous fitness function, working on the native fitness domain

codec - the codec used for transforming the fitness domain

Returns:

a new (async) fitness evaluator

Throws:

NullPointerException - if one of the arguments is null

completable

public static <G extends Gene<?,
G>,
C extends Comparable<? super C>>
Evaluator<G,C> completable(Function<? super Genotype<G>,? extends CompletableFuture<C>> fitness)

Return a new fitness evaluator, which evaluates asynchronous fitness functions.

Type Parameters:

G - the gene type

C - the fitness value type

Parameters:

fitness - the asynchronous fitness function

Returns:

a new (asynchronous) fitness evaluator

Throws:

NullPointerException - if one of the arguments is null

See Also:

• async(Function)

completable

public static <T,
G extends Gene<?,
G>,
C extends Comparable<? super C>>
Evaluator<G,C> completable(Function<? super T,? extends CompletableFuture<C>> fitness,
 Function<? super Genotype<G>,? extends T> decoder)

Return a new fitness evaluator, which evaluates asynchronous fitness functions.

Type Parameters:

T - the native fitness domain type

G - the gene type

C - the fitness value type

Parameters:

fitness - the asynchronous fitness function, working on the native fitness domain

decoder - the decoder function for the fitness domain

Returns:

a new (async) fitness evaluator

Throws:

NullPointerException - if one of the arguments is null

completable

public static <T,
G extends Gene<?,
G>,
C extends Comparable<? super C>>
Evaluator<G,C> completable(Function<? super T,? extends CompletableFuture<C>> fitness,
 Codec<T,G> codec)

Return a new fitness evaluator, which evaluates asynchronous fitness functions.

Type Parameters:

T - the native fitness domain type

G - the gene type

C - the fitness value type

Parameters:

fitness - the asynchronous fitness function, working on the native fitness domain

codec - the codec used for transforming the fitness domain

Returns:

a new (async) fitness evaluator

Throws:

NullPointerException - if one of the arguments is null