1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 * 19 */ 20 package org.apache.directory.api.ldap.model.message; 21 22 23 /** 24 * The base request message class. 25 * 26 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 27 */ 28 public class AbstractRequest extends AbstractMessage implements Request 29 { 30 static final long serialVersionUID = -4511116249089399040L; 31 32 /** Flag indicating whether or not this request returns a response. */ 33 private final boolean hasResponse; 34 35 36 /** 37 * Subclasses must provide these parameters via a super constructor call. 38 * 39 * @param id the sequential message identifier 40 * @param type the request type enum 41 * @param hasResponse flag indicating if this request generates a response 42 */ 43 protected AbstractRequest( final int id, final MessageTypeEnum type, boolean hasResponse ) 44 { 45 super( id, type ); 46 47 this.hasResponse = hasResponse; 48 } 49 50 51 /** 52 * Indicator flag used to determine whether or not this type of request 53 * produces a reply. 54 * 55 * @return true if any reply is generated, false if no response is generated 56 */ 57 @Override 58 public boolean hasResponse() 59 { 60 return hasResponse; 61 } 62 63 64 /** 65 * {@inheritDoc} 66 */ 67 @Override 68 public boolean equals( Object obj ) 69 { 70 if ( obj == this ) 71 { 72 return true; 73 } 74 75 if ( ( obj == null ) || !( obj instanceof Request ) ) 76 { 77 return false; 78 } 79 80 if ( hasResponse != ( ( Request ) obj ).hasResponse() ) 81 { 82 return false; 83 } 84 return super.equals( obj ); 85 } 86 87 88 /** 89 * @see Object#hashCode() 90 * @return the instance's hash code 91 */ 92 @Override 93 public int hashCode() 94 { 95 int hash = 37; 96 hash = hash * 17 + ( hasResponse ? 0 : 1 ); 97 hash = hash * 17 + super.hashCode(); 98 99 return hash; 100 } 101 }