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.mina.transport.socket;
21
22 import org.apache.mina.core.session.AbstractIoSessionConfig;
23 import org.apache.mina.core.session.IoSessionConfig;
24
25 /**
26 * TODO Add documentation
27 *
28 * @author The Apache MINA Project (dev@mina.apache.org)
29 * @version $Rev: 671827 $, $Date: 2008-06-26 10:49:48 +0200 (jeu, 26 jun 2008) $
30 */
31 public abstract class AbstractSocketSessionConfig extends AbstractIoSessionConfig
32 implements SocketSessionConfig {
33
34 protected AbstractSocketSessionConfig() {
35 }
36
37 @Override
38 protected final void doSetAll(IoSessionConfig config) {
39 if (!(config instanceof SocketSessionConfig)) {
40 return;
41 }
42
43 if (config instanceof AbstractSocketSessionConfig) {
44 // Minimize unnecessary system calls by checking all 'propertyChanged' properties.
45 AbstractSocketSessionConfig cfg = (AbstractSocketSessionConfig) config;
46 if (cfg.isKeepAliveChanged()) {
47 setKeepAlive(cfg.isKeepAlive());
48 }
49 if (cfg.isOobInlineChanged()) {
50 setOobInline(cfg.isOobInline());
51 }
52 if (cfg.isReceiveBufferSizeChanged()) {
53 setReceiveBufferSize(cfg.getReceiveBufferSize());
54 }
55 if (cfg.isReuseAddressChanged()) {
56 setReuseAddress(cfg.isReuseAddress());
57 }
58 if (cfg.isSendBufferSizeChanged()) {
59 setSendBufferSize(cfg.getSendBufferSize());
60 }
61 if (cfg.isSoLingerChanged()) {
62 setSoLinger(cfg.getSoLinger());
63 }
64 if (cfg.isTcpNoDelayChanged()) {
65 setTcpNoDelay(cfg.isTcpNoDelay());
66 }
67 if (cfg.isTrafficClassChanged() && getTrafficClass() != cfg.getTrafficClass()) {
68 setTrafficClass(cfg.getTrafficClass());
69 }
70 } else {
71 SocketSessionConfig cfg = (SocketSessionConfig) config;
72 setKeepAlive(cfg.isKeepAlive());
73 setOobInline(cfg.isOobInline());
74 setReceiveBufferSize(cfg.getReceiveBufferSize());
75 setReuseAddress(cfg.isReuseAddress());
76 setSendBufferSize(cfg.getSendBufferSize());
77 setSoLinger(cfg.getSoLinger());
78 setTcpNoDelay(cfg.isTcpNoDelay());
79 if (getTrafficClass() != cfg.getTrafficClass()) {
80 setTrafficClass(cfg.getTrafficClass());
81 }
82 }
83 }
84
85 /**
86 * Returns <tt>true</tt> if and only if the <tt>keepAlive</tt> property
87 * has been changed by its setter method. The system call related with
88 * the property is made only when this method returns <tt>true</tt>. By
89 * default, this method always returns <tt>true</tt> to simplify implementation
90 * of subclasses, but overriding the default behavior is always encouraged.
91 */
92 protected boolean isKeepAliveChanged() {
93 return true;
94 }
95
96 /**
97 * Returns <tt>true</tt> if and only if the <tt>oobInline</tt> property
98 * has been changed by its setter method. The system call related with
99 * the property is made only when this method returns <tt>true</tt>. By
100 * default, this method always returns <tt>true</tt> to simplify implementation
101 * of subclasses, but overriding the default behavior is always encouraged.
102 */
103 protected boolean isOobInlineChanged() {
104 return true;
105 }
106
107 /**
108 * Returns <tt>true</tt> if and only if the <tt>receiveBufferSize</tt> property
109 * has been changed by its setter method. The system call related with
110 * the property is made only when this method returns <tt>true</tt>. By
111 * default, this method always returns <tt>true</tt> to simplify implementation
112 * of subclasses, but overriding the default behavior is always encouraged.
113 */
114 protected boolean isReceiveBufferSizeChanged() {
115 return true;
116 }
117
118 /**
119 * Returns <tt>true</tt> if and only if the <tt>reuseAddress</tt> property
120 * has been changed by its setter method. The system call related with
121 * the property is made only when this method returns <tt>true</tt>. By
122 * default, this method always returns <tt>true</tt> to simplify implementation
123 * of subclasses, but overriding the default behavior is always encouraged.
124 */
125 protected boolean isReuseAddressChanged() {
126 return true;
127 }
128
129 /**
130 * Returns <tt>true</tt> if and only if the <tt>sendBufferSize</tt> property
131 * has been changed by its setter method. The system call related with
132 * the property is made only when this method returns <tt>true</tt>. By
133 * default, this method always returns <tt>true</tt> to simplify implementation
134 * of subclasses, but overriding the default behavior is always encouraged.
135 */
136 protected boolean isSendBufferSizeChanged() {
137 return true;
138 }
139
140 /**
141 * Returns <tt>true</tt> if and only if the <tt>soLinger</tt> property
142 * has been changed by its setter method. The system call related with
143 * the property is made only when this method returns <tt>true</tt>. By
144 * default, this method always returns <tt>true</tt> to simplify implementation
145 * of subclasses, but overriding the default behavior is always encouraged.
146 */
147 protected boolean isSoLingerChanged() {
148 return true;
149 }
150
151 /**
152 * Returns <tt>true</tt> if and only if the <tt>tcpNoDelay</tt> property
153 * has been changed by its setter method. The system call related with
154 * the property is made only when this method returns <tt>true</tt>. By
155 * default, this method always returns <tt>true</tt> to simplify implementation
156 * of subclasses, but overriding the default behavior is always encouraged.
157 */
158 protected boolean isTcpNoDelayChanged() {
159 return true;
160 }
161
162 /**
163 * Returns <tt>true</tt> if and only if the <tt>trafficClass</tt> property
164 * has been changed by its setter method. The system call related with
165 * the property is made only when this method returns <tt>true</tt>. By
166 * default, this method always returns <tt>true</tt> to simplify implementation
167 * of subclasses, but overriding the default behavior is always encouraged.
168 */
169 protected boolean isTrafficClassChanged() {
170 return true;
171 }
172 }