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.runtime;
020    
021    import java.util.EventListener;
022    
023    /**
024     * Interface implementated by remote listeners to state change events.
025     *
026     * @author <a href="http://www.dpml.net">Digital Product Management Laboratory</a>
027     * @version 2.0.1
028     */
029    public interface ComponentListener extends EventListener
030    {
031       /**
032        * Notify the listener of an event within the component.
033        *
034        * @param event the comnponent event
035        * @exception RemoteException if a remote transport error occurs
036        */
037        void componentChanged( final ComponentEvent event );
038    }
039