001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     * 
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     * 
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.commons.modeler.modules;
018    
019    import java.util.List;
020    
021    
022    /**
023     * This mbean will load an extended mlet file ( similar in syntax with jboss ).
024     * It'll keep track of all attribute changes and update the file when attributes
025     * change. 
026     */
027    public interface MbeansSourceMBean 
028    {
029        /** Set the source to be used to load the mbeans
030         * 
031         * @param source File or URL
032         */ 
033        public void setSource( Object source );
034        
035        public Object getSource();
036        
037        /** Return the list of loaded mbeans names
038         * 
039         * @return List of ObjectName
040         */ 
041        public List getMBeans();
042    
043        /** Load the mbeans from the source. Called automatically on init() 
044         * 
045         * @throws Exception
046         */ 
047        public void load() throws Exception;
048        
049        /** Call the init method on all mbeans. Will call load if not done already
050         * 
051         * @throws Exception
052         */ 
053        public void init() throws Exception;
054    
055        /** Save the file.
056         */ 
057        public void save();
058    }