001    /*
002     *  Licensed to the Apache Software Foundation (ASF) under one
003     *  or more contributor license agreements.  See the NOTICE file
004     *  distributed with this work for additional information
005     *  regarding copyright ownership.  The ASF licenses this file
006     *  to you under the Apache License, Version 2.0 (the
007     *  "License"); you may not use this file except in compliance
008     *  with the License.  You may obtain a copy of the License at
009     *  
010     *    http://www.apache.org/licenses/LICENSE-2.0
011     *  
012     *  Unless required by applicable law or agreed to in writing,
013     *  software distributed under the License is distributed on an
014     *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     *  KIND, either express or implied.  See the License for the
016     *  specific language governing permissions and limitations
017     *  under the License. 
018     *  
019     */
020    package org.apache.directory.shared.ldap.schema.registries;
021    
022    
023    /**
024     * A listener interface used by schema loaders and the schema subsystem of 
025     * Apache Directory Server to notify the registry of events like a new schema 
026     * being loaded or unloaded.
027     *
028     * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
029     * @version $Rev$
030     */
031    public interface SchemaLoaderListener
032    {
033            /**
034             * Listener method called to indicate a loader or other agent finished 
035             * loading the schema objects for a schema into the Registries.
036             * 
037             * @param schema the Schema that was loaded
038             */
039        void schemaLoaded( Schema schema );
040        
041        /**
042         * Listener method called to indicate an agent finished loading the schema
043         * objects for a schema into the Registries.
044         * 
045         * @param schema the Schema that was unloaded
046         */
047        void schemaUnloaded( Schema schema );
048    }