001    /*
002     * Copyright 2005 Stephen J. McConnell.
003     *
004     * Licensed  under the  Apache License,  Version 2.0  (the "License");
005     * you may not use  this file  except in  compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     *   http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed  under the  License is distributed on an "AS IS" BASIS,
012     * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY KIND, either  express  or
013     * implied.
014     *
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    
019    package net.dpml.transit.model;
020    
021    /**
022     * Exception raised to veto a disposal request.
023     *
024     * @author <a href="http://www.dpml.net">Digital Product Meta Library</a>
025     * @version 1.0.1
026     */
027    public class VetoDisposalException extends RuntimeException
028    {
029       /**
030        * Serial version identifier.
031        */
032        static final long serialVersionUID = 1L;
033    
034        private Object m_source;
035    
036       /**
037        * Construct a new <code>VetoDisposalException</code> instance.
038        *
039        * @param source the object initiating the veto
040        */
041        public VetoDisposalException( Object source )
042        {
043            super( "Disposal veto." );
044        }
045    
046       /**
047        * Construct a new <code>VetoDisposalException</code> instance.
048        *
049        * @param source the object initiating the veto
050        * @param message the reason for the veto
051        */
052        public VetoDisposalException( Object source, String message )
053        {
054            super( message );
055        }
056    
057       /**
058        * Return the object rasing the veto.
059        * @return the veto source
060        */
061        public Object getSource()
062        {
063            return m_source;
064        }
065    }
066