001 package net.sf.cpsolver.coursett.preference;
002
003 /**
004 * Average 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, mean value from 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 AveragePreferenceCombination extends PreferenceCombination {
031 int iPreference = 0;
032 int iCnt = 0;
033
034 @Override
035 public void addPreferenceInt(int intPref) {
036 super.addPreferenceInt(intPref);
037 iPreference += intPref;
038 iCnt++;
039 }
040
041 @Override
042 public int getPreferenceInt() {
043 return Math.round(((float) iPreference) / ((float) iCnt));
044 }
045 }