001    /**
002     * Copyright (C) 2007-2011, Jens Lehmann
003     *
004     * This file is part of DL-Learner.
005     *
006     * DL-Learner is free software; you can redistribute it and/or modify
007     * it under the terms of the GNU General Public License as published by
008     * the Free Software Foundation; either version 3 of the License, or
009     * (at your option) any later version.
010     *
011     * DL-Learner is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014     * GNU General Public License for more details.
015     *
016     * You should have received a copy of the GNU General Public License
017     * along with this program.  If not, see <http://www.gnu.org/licenses/>.
018     */
019    
020    package org.dllearner.core;
021    
022    import java.util.Collection;
023    
024    /**
025     * Exception, which is thrown when an application tries to run 
026     * a learning algorithm with a learning problem it does not
027     * support.
028     * 
029     * @author Jens Lehmann
030     *
031     */
032    public class LearningProblemUnsupportedException extends Exception {
033    
034            private static final long serialVersionUID = 177919265073997460L;
035    
036            public LearningProblemUnsupportedException(Class<? extends AbstractLearningProblem> problemClass, Class<? extends LearningAlgorithm> algorithmClass) {
037                    super("Warning: No suitable constructor registered for algorithm "
038                                    + algorithmClass.getName() + " and problem " + problemClass.getClass().getName() + ".");                
039            }
040            
041            public LearningProblemUnsupportedException(Class<? extends AbstractLearningProblem> problemClass, Class<? extends LearningAlgorithm> algorithmClass, Collection<Class<? extends AbstractLearningProblem>> supportedProblems) {
042                    super("Warning: No suitable constructor registered for algorithm "
043                                    + algorithmClass.getName() + " and problem " + problemClass.getClass().getName()
044                                    + ". Registered constructors for " + algorithmClass.getName() + ": "
045                                    + supportedProblems + ".");             
046            }
047            
048    }