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     * An event signalling the change to the layout model assigned to a host model.
023     *
024     * @author <a href="http://www.dpml.net">Digital Product Meta Library</a>
025     * @version 1.1.0
026     */
027    public class HostLayoutEvent extends HostEvent 
028    {
029       /**
030        * Serial version identifier.
031        */
032        static final long serialVersionUID = 1L;
033    
034        private final LayoutModel m_layout;
035    
036       /**
037        * Event signalliing the change to a host layout model.
038        * @param host the host model that was changed
039        * @param layout the layout model that was assinged to the host
040        */
041        public HostLayoutEvent( HostModel host, LayoutModel layout )
042        {
043            super( host );
044            m_layout = layout;
045        }
046        
047       /**
048        * Return the layout model that was assigned to the host.
049        * @return the assinged layout model
050        */
051        public LayoutModel getLayoutModel()
052        {
053            return m_layout;
054        }
055    }