/**
* Copyright (C) 2010-2017 Gordon Fraser, Andrea Arcuri and EvoSuite
* contributors
*
* This file is part of EvoSuite.
*
* EvoSuite is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3.0 of the License, or
* (at your option) any later version.
*
* EvoSuite is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with EvoSuite. If not, see <http://www.gnu.org/licenses/>.
*/
package org.evosuite.ga;
import java.io.Serializable;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* <p>
* Abstract SecondaryObjective class.
* </p>
*
* @author Gordon Fraser
*/
public abstract class SecondaryObjective<T extends Chromosome> implements Serializable {
private static final long serialVersionUID = -4117187516650844086L;
/** Constant <code>logger</code> */
protected static final Logger logger = LoggerFactory.getLogger(SecondaryObjective.class);
/**
* Compare two chromosomes with each other with respect to this objective.
* This comparison is mainly used during ranking.
*
* @param chromosome1
* a {@link org.evosuite.ga.Chromosome} object.
* @param chromosome2
* a {@link org.evosuite.ga.Chromosome} object.
* @return a int.
*/
public abstract int compareChromosomes(T chromosome1, T chromosome2);
/**
* Compare two parents to decide whether the children can replace the
* parents.
*
* @param parent1
* a {@link org.evosuite.ga.Chromosome} object.
* @param parent2
* a {@link org.evosuite.ga.Chromosome} object.
* @param child1
* a {@link org.evosuite.ga.Chromosome} object.
* @param child2
* a {@link org.evosuite.ga.Chromosome} object.
* @return a int.
*/
public abstract int compareGenerations(T parent1, T parent2,
T child1, T child2);
}