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.message.internal; 021 022 import org.apache.directory.shared.ldap.codec.MessageTypeEnum; 023 024 025 /** 026 * The base request message class. 027 * 028 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 029 * @version $Rev: 910150 $ 030 */ 031 public class InternalAbstractRequest extends InternalAbstractMessage implements InternalRequest 032 { 033 static final long serialVersionUID = -4511116249089399040L; 034 035 /** Flag indicating whether or not this request returns a response. */ 036 private final boolean hasResponse; 037 038 039 /** 040 * Subclasses must provide these parameters via a super constructor call. 041 * 042 * @param id 043 * the sequential message identifier 044 * @param type 045 * the request type enum 046 * @param hasResponse 047 * flag indicating if this request generates a response 048 */ 049 protected InternalAbstractRequest(final int id, final MessageTypeEnum type, boolean hasResponse) 050 { 051 super( id, type ); 052 053 this.hasResponse = hasResponse; 054 } 055 056 057 /** 058 * Indicator flag used to determine whether or not this type of request 059 * produces a reply. 060 * 061 * @return true if any reply is generated, false if no response is generated 062 */ 063 public boolean hasResponse() 064 { 065 return hasResponse; 066 } 067 068 /** 069 * @see Object#hashCode() 070 * @return the instance's hash code 071 */ 072 public int hashCode() 073 { 074 int hash = 37; 075 hash = hash*17 + (hasResponse ? 0 : 1 ); 076 hash = hash*17 + super.hashCode(); 077 078 return hash; 079 } 080 }