/*
* Copyright (C) 2012 miguel
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.magmax.master.practica8;
import java.util.Comparator;
import java.util.Random;
import org.magmax.master.practica8.pojo.Question;
/**
*
* @author miguel
*/
class QuestionRandomizer implements Comparator<Question> {
private final Random random;
public QuestionRandomizer() {
random = new Random();
}
@Override
public int compare(Question q1, Question q2) {
if (q2.getLevel() == q1.getLevel()) {
return random.nextInt(2) == 1 ? 1 : -1;
}
return q2.getLevel() - q1.getLevel();
}
}