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///////////////////////////////////////////////////////////////////////////////
// For information as to what this class does, see the Javadoc, below.       //
// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,       //
// 2007, 2008, 2009, 2010, 2014, 2015, 2022 by Peter Spirtes, Richard        //
// Scheines, Joseph Ramsey, and Clark Glymour.                               //
//                                                                           //
// 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 2 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, write to the Free Software               //
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA //
///////////////////////////////////////////////////////////////////////////////

package edu.cmu.tetradapp.session;


/**
 * Indicates that a model could not be created. As to which model it was, call the getModelClass() method.
 *
 * @author josephramsey
 * @version $Id: $Id
 */
public class CouldNotCreateModelException extends Exception {

    /**
     * The class of the model that could not be created.
     */
    private final Class modelClass;

    /**
     * Constructor for CouldNotCreateModelException.
     *
     * @param modelClass a {@link java.lang.Class} object
     */
    public CouldNotCreateModelException(Class modelClass) {
        this.modelClass = modelClass;
    }

    /**
     * Getter for the field modelClass.
     *
     * @return a {@link java.lang.Class} object
     */
    public Class getModelClass() {
        return this.modelClass;
    }

    /**
     * getMessage.
     *
     * @return a {@link java.lang.String} object
     */
    public String getMessage() {
        return "Couldn't create that model; perhaps one of its parents is missing.";
    }
}