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.station;
020    
021    import java.util.EventObject;
022    
023    /**
024     * An application registry event.
025     */
026    public class ApplicationEvent extends EventObject 
027    {
028       /**
029        * Serial version identifier.
030        */
031        static final long serialVersionUID = 1L;
032    
033        private final ProcessState m_state;
034    
035       /**
036        * Creation of a new application event.
037        * @param application event source
038        * @param state the state established by the application
039        */
040        public ApplicationEvent( Application application, ProcessState state )
041        {
042            super( application );
043    
044            m_state = state;
045        }
046    
047       /**
048        * Return the application that initiated the event.
049        * @return application event source
050        */
051        public Application getApplication()
052        {
053            return (Application) super.getSource();
054        }
055    
056       /**
057        * Return the state associated with the event.
058        * @return the application state
059        */
060        public ProcessState getState()
061        {
062            return m_state;
063        }
064    }