📄 synchronizedprotocolencoder.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"><head><meta http-equiv="content-type" content="text/html; charset=UTF-8" /><title>SynchronizedProtocolEncoder xref</title><link type="text/css" rel="stylesheet" href="../../../../../stylesheet.css" /></head><body><div id="overview"><a href="../../../../../../apidocs/org/apache/mina/filter/codec/SynchronizedProtocolEncoder.html">View Javadoc</a></div><pre><a name="1" href="#1">1</a> <em class="jxr_comment">/*</em><a name="2" href="#2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em><a name="3" href="#3">3</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em><a name="4" href="#4">4</a> <em class="jxr_comment"> * distributed with this work for additional information</em><a name="5" href="#5">5</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em><a name="6" href="#6">6</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em><a name="7" href="#7">7</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em><a name="8" href="#8">8</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em><a name="9" href="#9">9</a> <em class="jxr_comment"> *</em><a name="10" href="#10">10</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em><a name="11" href="#11">11</a> <em class="jxr_comment"> *</em><a name="12" href="#12">12</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em><a name="13" href="#13">13</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em><a name="14" href="#14">14</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em><a name="15" href="#15">15</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em><a name="16" href="#16">16</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em><a name="17" href="#17">17</a> <em class="jxr_comment"> * under the License.</em><a name="18" href="#18">18</a> <em class="jxr_comment"> *</em><a name="19" href="#19">19</a> <em class="jxr_comment"> */</em><a name="20" href="#20">20</a> <strong class="jxr_keyword">package</strong> org.apache.mina.filter.codec;<a name="21" href="#21">21</a> <a name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> org.apache.mina.common.IoSession;<a name="23" href="#23">23</a> <a name="24" href="#24">24</a> <em class="jxr_javadoccomment">/**</em><a name="25" href="#25">25</a> <em class="jxr_javadoccomment"> * A {@link ProtocolEncoder} implementation which decorates an existing encoder</em><a name="26" href="#26">26</a> <em class="jxr_javadoccomment"> * to be thread-safe. Please be careful if you're going to use this decorator</em><a name="27" href="#27">27</a> <em class="jxr_javadoccomment"> * because it can be a root of performance degradation in a multi-thread</em><a name="28" href="#28">28</a> <em class="jxr_javadoccomment"> * environment. Please use this decorator only when you need to synchronize</em><a name="29" href="#29">29</a> <em class="jxr_javadoccomment"> * on a per-encoder basis instead of on a per-session basis, which is not</em><a name="30" href="#30">30</a> <em class="jxr_javadoccomment"> * common.</em><a name="31" href="#31">31</a> <em class="jxr_javadoccomment"> *</em><a name="32" href="#32">32</a> <em class="jxr_javadoccomment"> * @author The Apache MINA Project (dev@mina.apache.org)</em><a name="33" href="#33">33</a> <em class="jxr_javadoccomment"> * @version $Rev: 576217 $, $Date: 2007-09-16 17:55:27 -0600 (Sun, 16 Sep 2007) $</em><a name="34" href="#34">34</a> <em class="jxr_javadoccomment"> */</em><a name="35" href="#35">35</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/mina/filter/codec/SynchronizedProtocolEncoder.html">SynchronizedProtocolEncoder</a> implements <a href="../../../../../org/apache/mina/filter/codec/ProtocolEncoder.html">ProtocolEncoder</a> {<a name="36" href="#36">36</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/mina/filter/codec/ProtocolEncoder.html">ProtocolEncoder</a> encoder;<a name="37" href="#37">37</a> <a name="38" href="#38">38</a> <em class="jxr_javadoccomment">/**</em><a name="39" href="#39">39</a> <em class="jxr_javadoccomment"> * Creates a new instance which decorates the specified <tt>encoder</tt>.</em><a name="40" href="#40">40</a> <em class="jxr_javadoccomment"> */</em><a name="41" href="#41">41</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/mina/filter/codec/SynchronizedProtocolEncoder.html">SynchronizedProtocolEncoder</a>(<a href="../../../../../org/apache/mina/filter/codec/ProtocolEncoder.html">ProtocolEncoder</a> encoder) {<a name="42" href="#42">42</a> <strong class="jxr_keyword">if</strong> (encoder == <strong class="jxr_keyword">null</strong>) {<a name="43" href="#43">43</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"encoder"</span>);<a name="44" href="#44">44</a> }<a name="45" href="#45">45</a> <strong class="jxr_keyword">this</strong>.encoder = encoder;<a name="46" href="#46">46</a> }<a name="47" href="#47">47</a> <a name="48" href="#48">48</a> <em class="jxr_javadoccomment">/**</em><a name="49" href="#49">49</a> <em class="jxr_javadoccomment"> * Returns the encoder this encoder is decorating.</em><a name="50" href="#50">50</a> <em class="jxr_javadoccomment"> */</em><a name="51" href="#51">51</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/mina/filter/codec/ProtocolEncoder.html">ProtocolEncoder</a> getEncoder() {<a name="52" href="#52">52</a> <strong class="jxr_keyword">return</strong> encoder;<a name="53" href="#53">53</a> }<a name="54" href="#54">54</a> <a name="55" href="#55">55</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> encode(<a href="../../../../../org/apache/mina/common/IoSession.html">IoSession</a> session, Object message,<a name="56" href="#56">56</a> <a href="../../../../../org/apache/mina/filter/codec/ProtocolEncoderOutput.html">ProtocolEncoderOutput</a> out) <strong class="jxr_keyword">throws</strong> Exception {<a name="57" href="#57">57</a> <strong class="jxr_keyword">synchronized</strong> (encoder) {<a name="58" href="#58">58</a> encoder.encode(session, message, out);<a name="59" href="#59">59</a> }<a name="60" href="#60">60</a> }<a name="61" href="#61">61</a> <a name="62" href="#62">62</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> dispose(<a href="../../../../../org/apache/mina/common/IoSession.html">IoSession</a> session) <strong class="jxr_keyword">throws</strong> Exception {<a name="63" href="#63">63</a> <strong class="jxr_keyword">synchronized</strong> (encoder) {<a name="64" href="#64">64</a> encoder.dispose(session);<a name="65" href="#65">65</a> }<a name="66" href="#66">66</a> }<a name="67" href="#67">67</a> }</pre><hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body></html>⌨️ 快捷键说明
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