001package org.cpsolver.studentsct.heuristics.selection;
002
003import java.util.Set;
004
005import org.cpsolver.studentsct.model.Student;
006
007
008/**
009 * An interface to pass the list problematic students computed by a neighbour
010 * selection to the next neighbour selection.
011 * 
012 * @version StudentSct 1.3 (Student Sectioning)<br>
013 *          Copyright (C) 2007 - 2014 Tomáš Müller<br>
014 *          <a href="mailto:muller@unitime.org">muller@unitime.org</a><br>
015 *          <a href="http://muller.unitime.org">http://muller.unitime.org</a><br>
016 * <br>
017 *          This library is free software; you can redistribute it and/or modify
018 *          it under the terms of the GNU Lesser General Public License as
019 *          published by the Free Software Foundation; either version 3 of the
020 *          License, or (at your option) any later version. <br>
021 * <br>
022 *          This library is distributed in the hope that it will be useful, but
023 *          WITHOUT ANY WARRANTY; without even the implied warranty of
024 *          MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
025 *          Lesser General Public License for more details. <br>
026 * <br>
027 *          You should have received a copy of the GNU Lesser General Public
028 *          License along with this library; if not see
029 *          <a href='http://www.gnu.org/licenses/'>http://www.gnu.org/licenses/</a>.
030 */
031
032public interface ProblemStudentsProvider {
033    /** Set of problematic students ({@link Student} objects). 
034     * @return set of problematic students
035     **/
036    public Set<Student> getProblemStudents();
037}