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.ldap;
021
022
023import org.apache.directory.api.ldap.model.message.Control;
024
025
026/**
027 * Constants for LDAP protocol service.
028 * Final reference -> class shouldn't be extended
029 *
030 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
031 */
032public final class LdapProtocolConstants
033{
034    /**
035     *  Ensures no construction of this class, also ensures there is no need for final keyword above
036     *  (Implicit super constructor is not visible for default constructor),
037     *  but is still self documenting.
038     */
039    private LdapProtocolConstants()
040    {
041    }
042
043    public static final Control[] EMPTY_CONTROLS = new Control[0];
044    public static final String OUTSTANDING_KEY = "outstandingRequestsKey";
045    public static final String CORE_SESSION_KEY = "coreSessionKey";
046}