001    package net.sf.cpsolver.coursett.preference;
002    
003    /**
004     * Sum preference combination. <br>
005     * <ul>
006     * <li>If at least one preference is required -> required
007     * <li>If at least one preference is prohibited -> prohibited
008     * <li>Otherwise, sum of the given preferences is returned
009     * </ul>
010     * 
011     * @version CourseTT 1.2 (University Course Timetabling)<br>
012     *          Copyright (C) 2006 - 2010 Tomas Muller<br>
013     *          <a href="mailto:muller@unitime.org">muller@unitime.org</a><br>
014     *          <a href="http://muller.unitime.org">http://muller.unitime.org</a><br>
015     * <br>
016     *          This library is free software; you can redistribute it and/or modify
017     *          it under the terms of the GNU Lesser General Public License as
018     *          published by the Free Software Foundation; either version 3 of the
019     *          License, or (at your option) any later version. <br>
020     * <br>
021     *          This library is distributed in the hope that it will be useful, but
022     *          WITHOUT ANY WARRANTY; without even the implied warranty of
023     *          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
024     *          Lesser General Public License for more details. <br>
025     * <br>
026     *          You should have received a copy of the GNU Lesser General Public
027     *          License along with this library; if not see
028     *          <a href='http://www.gnu.org/licenses/'>http://www.gnu.org/licenses/</a>.
029     */
030    public class SumPreferenceCombination extends PreferenceCombination {
031        int iPreference = 0;
032    
033        @Override
034        public void addPreferenceInt(int intPref) {
035            super.addPreferenceInt(intPref);
036            iPreference += intPref;
037        }
038    
039        @Override
040        public int getPreferenceInt() {
041            return iPreference;
042        }
043    }