Module io.jenetics.ext

Package io.jenetics.ext

Class TreeRewriteAlterer<A,G extends TreeGene<A,G>,C extends Comparable<? super C>>

java.lang.Object

io.jenetics.AbstractAlterer<G,C>

io.jenetics.Mutator<G,C>

io.jenetics.ext.TreeMutator<A,G,C>

io.jenetics.ext.TreeRewriteAlterer<A,G,C>

All Implemented Interfaces:

Alterer<G,C>

Direct Known Subclasses:

MathRewriteAlterer

public class TreeRewriteAlterer<A,G extends TreeGene<A,G>,C extends Comparable<? super C>>
extends TreeMutator<A,G,C>

This alterer uses a TreeRewriter for altering the TreeChromosome.

Since:

5.0

Version:

5.0

See Also:

• TreeRewriter

Field Summary

Fields inherited from class io.jenetics.AbstractAlterer

_probability

Fields inherited from interface io.jenetics.Alterer

DEFAULT_ALTER_PROBABILITY

Constructor Summary

Constructors

Constructor	Description
TreeRewriteAlterer(TreeRewriter<A> rewriter)	Create a new alterer with the given rewriter.
TreeRewriteAlterer(TreeRewriter<A> rewriter, double probability)	Create a new alterer with the given rewriter.
TreeRewriteAlterer(TreeRewriter<A> rewriter, int limit)	Create a new alterer with the given rewriter and given rewrite limit.
TreeRewriteAlterer(TreeRewriter<A> rewriter, int limit, double probability)	Create a new alterer with the given rewriter and given rewrite limit.

Method Summary

Modifier and Type	Method	Description
protected void	mutate(TreeNode<A> tree)	Performs the actual tree rewriting.

Methods inherited from class io.jenetics.ext.TreeMutator

mutate

Methods inherited from class io.jenetics.Mutator

alter, mutate, mutate, mutate, toString

Methods inherited from class io.jenetics.AbstractAlterer

probability

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.jenetics.Alterer

andThen, compose

Constructor Details

TreeRewriteAlterer

public TreeRewriteAlterer(TreeRewriter<A> rewriter,
 int limit,
 double probability)

Create a new alterer with the given rewriter and given rewrite limit.

Parameters:

rewriter - the tree rewriter

limit - the rewriting limit

probability - the altering probability

Throws:

NullPointerException - if the rewriter is null

TreeRewriteAlterer

public TreeRewriteAlterer(TreeRewriter<A> rewriter,
 int limit)

Create a new alterer with the given rewriter and given rewrite limit.

Parameters:

rewriter - the tree rewriter

limit - the rewriting limit

Throws:

NullPointerException - if the rewriter is null

TreeRewriteAlterer

public TreeRewriteAlterer(TreeRewriter<A> rewriter,
 double probability)

Create a new alterer with the given rewriter.

Parameters:

rewriter - the tree rewriter

probability - the altering probability

Throws:

NullPointerException - if the rewriter is null

TreeRewriteAlterer

public TreeRewriteAlterer(TreeRewriter<A> rewriter)

Create a new alterer with the given rewriter.

Parameters:

rewriter - the tree rewriter

Throws:

NullPointerException - if the rewriter is null

Method Details

mutate

protected void mutate(TreeNode<A> tree)

Performs the actual tree rewriting.

Specified by:

mutate in class TreeMutator<A,G extends TreeGene<A,G>,C extends Comparable<? super C>>

Parameters:

tree - the tree to rewrite