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 public boolean hasResponse()
58 {
59 return hasResponse;
60 }
61
62
63 /**
64 * {@inheritDoc}
65 */
66 @Override
67 public boolean equals( Object obj )
68 {
69 if ( obj == this )
70 {
71 return true;
72 }
73
74 if ( ( obj == null ) || !( obj instanceof Request ) )
75 {
76 return false;
77 }
78
79 if ( hasResponse != ( ( Request ) obj ).hasResponse() )
80 {
81 return false;
82 }
83 return super.equals( obj );
84 }
85
86
87 /**
88 * @see Object#hashCode()
89 * @return the instance's hash code
90 */
91 @Override
92 public int hashCode()
93 {
94 int hash = 37;
95 hash = hash * 17 + ( hasResponse ? 0 : 1 );
96 hash = hash * 17 + super.hashCode();
97
98 return hash;
99 }
100 }