/*
 * Java Genetic Algorithm Library (@__identifier__@).
 * Copyright (c) @__year__@ Franz Wilhelmstötter
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Author:
 *    Franz Wilhelmstötter (franz.wilhelmstoetter@gmail.com)
 */
package io.jenetics.ext;

import io.jenetics.Chromosome;

/**
 * Chromosome for tree shaped genes.
 *
 * @author <a href="mailto:franz.wilhelmstoetter@gmail.com">Franz Wilhelmstötter</a>
 * @version 3.9
 * @since 3.9
 */
public interface TreeChromosome<A, G extends TreeGene<A, G>>
	extends Chromosome<G>
{

	/**
	 * Return the root gene of this chromosome.
	 *
	 * @return the root tree gene of this chromosome
	 */
	public default G getRoot() {
		return getGene();
	}

}

@@ -1094,16 +1094,354 @@
 omosome.
+ Since the gene type is also a%0A%09 * %7B@link io.jenetics.ext.util.Tree%7D, you are able to assign it to one.%0A%09 * %3Cpre%3E%7B@code%0A%09 * final Tree%3CA, ?%3E t1 = getRoot();%0A%09 * final Tree%3C?, ?%3E t2 = getRoot();%0A%09 * %7D%3C/pre%3E%0A%09 * This method is also an alias for %7B@link #getGene()%7D, which returns the%0A%09 * first gene of the chromosome.%0A%09 *%0A%09 * @see #getGene()
 %0A%09 *%0A%09 *

Improve Javadoc.