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 */
020package org.apache.directory.server.protocol.shared.store;
021
022
023import org.apache.directory.api.ldap.model.name.Dn;
024import org.apache.directory.server.core.api.CoreSession;
025
026
027/**
028 * Interface to support the command pattern for LDAP operations.
029 *
030 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
031 */
032public interface DirectoryServiceOperation
033{
034    /**
035     * The command pattern execute method.
036     * 
037     * @param session The CoreSession to execute the command with
038     * @param baseDn The base Dn for working with the context
039     * @return Object The result returned by the command
040     * @throws Exception The exception thrown by the command
041     */
042    Object execute( CoreSession session, Dn baseDn ) throws Exception;
043}