001    // Copyright 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry.event;
016    
017    import java.util.EventListener;
018    
019    /**
020     * Implemented by (typically) a HiveMind service implementation, and registerred with the
021     * {@link org.apache.tapestry.describe.ReportStatusHub} so that the service can report its status
022     * (in terms of properties and values).
023     * 
024     * @author Howard M. Lewis Ship
025     * @since 4.0
026     */
027    public interface ReportStatusListener extends EventListener
028    {
029        void reportStatus(ReportStatusEvent event);
030    }