001/* Exception for graph action errors.
002
003 Copyright (c) 2002-2014 The University of Maryland.
004 All rights reserved.
005 Permission is hereby granted, without written agreement and without
006 license or royalty fees, to use, copy, modify, and distribute this
007 software and its documentation for any purpose, provided that the above
008 copyright notice and the following two paragraphs appear in all copies
009 of this software.
010
011 IN NO EVENT SHALL THE UNIVERSITY OF MARYLAND BE LIABLE TO ANY PARTY
012 FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
013 ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
014 THE UNIVERSITY OF MARYLAND HAS BEEN ADVISED OF THE POSSIBILITY OF
015 SUCH DAMAGE.
016
017 THE UNIVERSITY OF MARYLAND SPECIFICALLY DISCLAIMS ANY WARRANTIES,
018 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
019 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
020 PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
021 MARYLAND HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
022 ENHANCEMENTS, OR MODIFICATIONS.
023
024 */
025package ptolemy.graph;
026
027import ptolemy.kernel.util.IllegalActionException;
028
029//////////////////////////////////////////////////////////////////////////
030//// GraphActionException
031
032/**
033 Exception for graph action errors. This is a non-RuntimeException and
034 should be caught by calling methods.
035
036 @author Mingyung Ko
037 @version $Id$
038 @since Ptolemy II 2.1
039 @Pt.ProposedRating Red (myko)
040 @Pt.AcceptedRating Red (ssb)
041 */
042@SuppressWarnings("serial")
043public class GraphActionException extends IllegalActionException {
044
045    // This class extends IllegalActionException so that we have
046    // the dependency from graph to kernel.util in as few places
047    // as possible.  However, we must extend IllegalActionException
048    // because that is the exception that is caught in the UI,
049    // which indicates which actor has a problem.  A better design
050    // would be to have base class exceptions that do not
051    // refer to NamedObj in a separate package and then have
052    // kernel.util exceptions extend those exceptions.
053
054    /** Constructor with an argument of text description.
055     *  @param message Detailed description of the error.
056     */
057    public GraphActionException(String message) {
058        super(message);
059    }
060
061    /** Constructor with an argument of text description.
062     *  @param message Detailed description of the error.
063     *  @param cause The cause of this exception, or null if the cause
064     *  is not known or nonexistent.
065     */
066    public GraphActionException(Throwable cause, String message) {
067        super(null, cause, message);
068    }
069}