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    
018    package org.apache.geronimo.gbean;
019    
020    import java.util.Collection;
021    import javax.management.ObjectName;
022    
023    /**
024     * An extension of collection that allows a client to register for notifications when
025     * members are added to and removed from the collection.
026     * 
027     * @version $Rev: 476049 $ $Date: 2006-11-16 23:35:17 -0500 (Thu, 16 Nov 2006) $
028     */
029    public interface ReferenceCollection extends Collection {
030        void addReferenceCollectionListener(ReferenceCollectionListener listener);
031    
032        void removeReferenceCollectionListener(ReferenceCollectionListener listener);
033    
034        ObjectName[] getMemberObjectNames();
035    }