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| <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.core.service; |
| <a name="21" href="#21">21</a> |
| <a name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.Executor; |
| <a name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ExecutorService; |
| <a name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.Executors; |
| <a name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.atomic.AtomicInteger; |
| <a name="26" href="#26">26</a> |
| <a name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.RuntimeIoException; |
| <a name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.session.AbstractIoSession; |
| <a name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.session.AttributeKey; |
| <a name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.session.IoSession; |
| <a name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> org.slf4j.Logger; |
| <a name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> org.slf4j.LoggerFactory; |
| <a name="33" href="#33">33</a> |
| <a name="34" href="#34">34</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="35" href="#35">35</a> <em class="jxr_javadoccomment"> * An {@link IoProcessor} pool that distributes {@link IoSession}s into one or more</em> |
| <a name="36" href="#36">36</a> <em class="jxr_javadoccomment"> * {@link IoProcessor}s. Most current transport implementations use this pool internally</em> |
| <a name="37" href="#37">37</a> <em class="jxr_javadoccomment"> * to perform better in a multi-core environment, and therefore, you won't need to </em> |
| <a name="38" href="#38">38</a> <em class="jxr_javadoccomment"> * use this pool directly unless you are running multiple {@link IoService}s in the</em> |
| <a name="39" href="#39">39</a> <em class="jxr_javadoccomment"> * same JVM.</em> |
| <a name="40" href="#40">40</a> <em class="jxr_javadoccomment"> * <p></em> |
| <a name="41" href="#41">41</a> <em class="jxr_javadoccomment"> * If you are running multiple {@link IoService}s, you could want to share the pool</em> |
| <a name="42" href="#42">42</a> <em class="jxr_javadoccomment"> * among all services. To do so, you can create a new {@link SimpleIoProcessorPool}</em> |
| <a name="43" href="#43">43</a> <em class="jxr_javadoccomment"> * instance by yourself and provide the pool as a constructor parameter when you</em> |
| <a name="44" href="#44">44</a> <em class="jxr_javadoccomment"> * create the services.</em> |
| <a name="45" href="#45">45</a> <em class="jxr_javadoccomment"> * <p></em> |
| <a name="46" href="#46">46</a> <em class="jxr_javadoccomment"> * This pool uses Java reflection API to create multiple {@link IoProcessor} instances.</em> |
| <a name="47" href="#47">47</a> <em class="jxr_javadoccomment"> * It tries to instantiate the processor in the following order:</em> |
| <a name="48" href="#48">48</a> <em class="jxr_javadoccomment"> * <ol></em> |
| <a name="49" href="#49">49</a> <em class="jxr_javadoccomment"> * <li>A public constructor with one {@link ExecutorService} parameter.</li></em> |
| <a name="50" href="#50">50</a> <em class="jxr_javadoccomment"> * <li>A public constructor with one {@link Executor} parameter.</li></em> |
| <a name="51" href="#51">51</a> <em class="jxr_javadoccomment"> * <li>A public default constructor</li></em> |
| <a name="52" href="#52">52</a> <em class="jxr_javadoccomment"> * </ol></em> |
| <a name="53" href="#53">53</a> <em class="jxr_javadoccomment"> * The following is an example for the NIO socket transport:</em> |
| <a name="54" href="#54">54</a> <em class="jxr_javadoccomment"> * <pre><code></em> |
| <a name="55" href="#55">55</a> <em class="jxr_javadoccomment"> * // Create a shared pool.</em> |
| <a name="56" href="#56">56</a> <em class="jxr_javadoccomment"> * SimpleIoProcessorPool&lt;NioSession&gt; pool = </em> |
| <a name="57" href="#57">57</a> <em class="jxr_javadoccomment"> * new SimpleIoProcessorPool&lt;NioSession&gt;(NioProcessor.class, 16);</em> |
| <a name="58" href="#58">58</a> <em class="jxr_javadoccomment"> * </em> |
| <a name="59" href="#59">59</a> <em class="jxr_javadoccomment"> * // Create two services that share the same pool.</em> |
| <a name="60" href="#60">60</a> <em class="jxr_javadoccomment"> * SocketAcceptor acceptor = new NioSocketAcceptor(pool);</em> |
| <a name="61" href="#61">61</a> <em class="jxr_javadoccomment"> * SocketConnector connector = new NioSocketConnector(pool);</em> |
| <a name="62" href="#62">62</a> <em class="jxr_javadoccomment"> * </em> |
| <a name="63" href="#63">63</a> <em class="jxr_javadoccomment"> * ...</em> |
| <a name="64" href="#64">64</a> <em class="jxr_javadoccomment"> * </em> |
| <a name="65" href="#65">65</a> <em class="jxr_javadoccomment"> * // Release related resources.</em> |
| <a name="66" href="#66">66</a> <em class="jxr_javadoccomment"> * connector.dispose();</em> |
| <a name="67" href="#67">67</a> <em class="jxr_javadoccomment"> * acceptor.dispose();</em> |
| <a name="68" href="#68">68</a> <em class="jxr_javadoccomment"> * pool.dispose();</em> |
| <a name="69" href="#69">69</a> <em class="jxr_javadoccomment"> * </code></pre></em> |
| <a name="70" href="#70">70</a> <em class="jxr_javadoccomment"> * </em> |
| <a name="71" href="#71">71</a> <em class="jxr_javadoccomment"> * @author The Apache MINA Project (dev@mina.apache.org)</em> |
| <a name="72" href="#72">72</a> <em class="jxr_javadoccomment"> * </em> |
| <a name="73" href="#73">73</a> <em class="jxr_javadoccomment"> * @param <T> the type of the {@link IoSession} to be managed by the specified</em> |
| <a name="74" href="#74">74</a> <em class="jxr_javadoccomment"> * {@link IoProcessor}.</em> |
| <a name="75" href="#75">75</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="76" href="#76">76</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> SimpleIoProcessorPool<T <strong class="jxr_keyword">extends</strong> AbstractIoSession> implements IoProcessor<T> { |
| <a name="77" href="#77">77</a> |
| <a name="78" href="#78">78</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> DEFAULT_SIZE = Runtime.getRuntime().availableProcessors() + 1; |
| <a name="79" href="#79">79</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/mina/core/session/AttributeKey.html">AttributeKey</a> PROCESSOR = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/mina/core/session/AttributeKey.html">AttributeKey</a>(SimpleIoProcessorPool.<strong class="jxr_keyword">class</strong>, <span class="jxr_string">"processor"</span>); |
| <a name="80" href="#80">80</a> |
| <a name="81" href="#81">81</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">static</strong> Logger LOGGER = LoggerFactory.getLogger(SimpleIoProcessorPool.<strong class="jxr_keyword">class</strong>); |
| <a name="82" href="#82">82</a> |
| <a name="83" href="#83">83</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> IoProcessor<T>[] pool; |
| <a name="84" href="#84">84</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> AtomicInteger processorDistributor = <strong class="jxr_keyword">new</strong> AtomicInteger(); |
| <a name="85" href="#85">85</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Executor executor; |
| <a name="86" href="#86">86</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> createdExecutor; |
| <a name="87" href="#87">87</a> |
| <a name="88" href="#88">88</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Object disposalLock = <strong class="jxr_keyword">new</strong> Object(); |
| <a name="89" href="#89">89</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">volatile</strong> <strong class="jxr_keyword">boolean</strong> disposing; |
| <a name="90" href="#90">90</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">volatile</strong> <strong class="jxr_keyword">boolean</strong> disposed; |
| <a name="91" href="#91">91</a> |
| <a name="92" href="#92">92</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/mina/core/service/SimpleIoProcessorPool.html">SimpleIoProcessorPool</a>(Class<? <strong class="jxr_keyword">extends</strong> IoProcessor<T>> processorType) { |
| <a name="93" href="#93">93</a> <strong class="jxr_keyword">this</strong>(processorType, <strong class="jxr_keyword">null</strong>, DEFAULT_SIZE); |
| <a name="94" href="#94">94</a> } |
| <a name="95" href="#95">95</a> |
| <a name="96" href="#96">96</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/mina/core/service/SimpleIoProcessorPool.html">SimpleIoProcessorPool</a>(Class<? <strong class="jxr_keyword">extends</strong> IoProcessor<T>> processorType, <strong class="jxr_keyword">int</strong> size) { |
| <a name="97" href="#97">97</a> <strong class="jxr_keyword">this</strong>(processorType, <strong class="jxr_keyword">null</strong>, size); |
| <a name="98" href="#98">98</a> } |
| <a name="99" href="#99">99</a> |
| <a name="100" href="#100">100</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/mina/core/service/SimpleIoProcessorPool.html">SimpleIoProcessorPool</a>(Class<? <strong class="jxr_keyword">extends</strong> IoProcessor<T>> processorType, Executor executor) { |
| <a name="101" href="#101">101</a> <strong class="jxr_keyword">this</strong>(processorType, executor, DEFAULT_SIZE); |
| <a name="102" href="#102">102</a> } |
| <a name="103" href="#103">103</a> |
| <a name="104" href="#104">104</a> @SuppressWarnings(<span class="jxr_string">"unchecked"</span>) |
| <a name="105" href="#105">105</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/mina/core/service/SimpleIoProcessorPool.html">SimpleIoProcessorPool</a>(Class<? <strong class="jxr_keyword">extends</strong> IoProcessor<T>> processorType, Executor executor, <strong class="jxr_keyword">int</strong> size) { |
| <a name="106" href="#106">106</a> <strong class="jxr_keyword">if</strong> (processorType == <strong class="jxr_keyword">null</strong>) { |
| <a name="107" href="#107">107</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"processorType"</span>); |
| <a name="108" href="#108">108</a> } |
| <a name="109" href="#109">109</a> <strong class="jxr_keyword">if</strong> (size <= 0) { |
| <a name="110" href="#110">110</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException( |
| <a name="111" href="#111">111</a> <span class="jxr_string">"size: "</span> + size + <span class="jxr_string">" (expected: positive integer)"</span>); |
| <a name="112" href="#112">112</a> } |
| <a name="113" href="#113">113</a> |
| <a name="114" href="#114">114</a> <strong class="jxr_keyword">if</strong> (executor == <strong class="jxr_keyword">null</strong>) { |
| <a name="115" href="#115">115</a> <strong class="jxr_keyword">this</strong>.executor = executor = Executors.newCachedThreadPool(); |
| <a name="116" href="#116">116</a> <strong class="jxr_keyword">this</strong>.createdExecutor = <strong class="jxr_keyword">true</strong>; |
| <a name="117" href="#117">117</a> } <strong class="jxr_keyword">else</strong> { |
| <a name="118" href="#118">118</a> <strong class="jxr_keyword">this</strong>.executor = executor; |
| <a name="119" href="#119">119</a> <strong class="jxr_keyword">this</strong>.createdExecutor = false; |
| <a name="120" href="#120">120</a> } |
| <a name="121" href="#121">121</a> |
| <a name="122" href="#122">122</a> pool = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/mina/core/service/IoProcessor.html">IoProcessor</a>[size]; |
| <a name="123" href="#123">123</a> |
| <a name="124" href="#124">124</a> <strong class="jxr_keyword">boolean</strong> success = false; |
| <a name="125" href="#125">125</a> <strong class="jxr_keyword">try</strong> { |
| <a name="126" href="#126">126</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < pool.length; i ++) { |
| <a name="127" href="#127">127</a> IoProcessor<T> processor = <strong class="jxr_keyword">null</strong>; |
| <a name="128" href="#128">128</a> |
| <a name="129" href="#129">129</a> <em class="jxr_comment">// Try to create a new processor with a proper constructor.</em> |
| <a name="130" href="#130">130</a> <strong class="jxr_keyword">try</strong> { |
| <a name="131" href="#131">131</a> <strong class="jxr_keyword">try</strong> { |
| <a name="132" href="#132">132</a> processor = processorType.getConstructor(ExecutorService.<strong class="jxr_keyword">class</strong>).newInstance(executor); |
| <a name="133" href="#133">133</a> } <strong class="jxr_keyword">catch</strong> (NoSuchMethodException e) { |
| <a name="134" href="#134">134</a> <em class="jxr_comment">// To the next step...</em> |
| <a name="135" href="#135">135</a> } |
| <a name="136" href="#136">136</a> |
| <a name="137" href="#137">137</a> <strong class="jxr_keyword">if</strong> (processor == <strong class="jxr_keyword">null</strong>) { |
| <a name="138" href="#138">138</a> <strong class="jxr_keyword">try</strong> { |
| <a name="139" href="#139">139</a> processor = processorType.getConstructor(Executor.<strong class="jxr_keyword">class</strong>).newInstance(executor); |
| <a name="140" href="#140">140</a> } <strong class="jxr_keyword">catch</strong> (NoSuchMethodException e) { |
| <a name="141" href="#141">141</a> <em class="jxr_comment">// To the next step...</em> |
| <a name="142" href="#142">142</a> } |
| <a name="143" href="#143">143</a> } |
| <a name="144" href="#144">144</a> |
| <a name="145" href="#145">145</a> <strong class="jxr_keyword">if</strong> (processor == <strong class="jxr_keyword">null</strong>) { |
| <a name="146" href="#146">146</a> <strong class="jxr_keyword">try</strong> { |
| <a name="147" href="#147">147</a> processor = processorType.getConstructor().newInstance(); |
| <a name="148" href="#148">148</a> } <strong class="jxr_keyword">catch</strong> (NoSuchMethodException e) { |
| <a name="149" href="#149">149</a> <em class="jxr_comment">// To the next step...</em> |
| <a name="150" href="#150">150</a> } |
| <a name="151" href="#151">151</a> } |
| <a name="152" href="#152">152</a> } <strong class="jxr_keyword">catch</strong> (RuntimeException e) { |
| <a name="153" href="#153">153</a> <strong class="jxr_keyword">throw</strong> e; |
| <a name="154" href="#154">154</a> } <strong class="jxr_keyword">catch</strong> (Exception e) { |
| <a name="155" href="#155">155</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/mina/core/RuntimeIoException.html">RuntimeIoException</a>( |
| <a name="156" href="#156">156</a> <span class="jxr_string">"Failed to create a new instance of "</span> + processorType.getName(), e); |
| <a name="157" href="#157">157</a> } |
| <a name="158" href="#158">158</a> |
| <a name="159" href="#159">159</a> <em class="jxr_comment">// Raise an exception if no proper constructor is found.</em> |
| <a name="160" href="#160">160</a> <strong class="jxr_keyword">if</strong> (processor == <strong class="jxr_keyword">null</strong>) { |
| <a name="161" href="#161">161</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException( |
| <a name="162" href="#162">162</a> String.valueOf(processorType) + <span class="jxr_string">" must have a public constructor "</span> + |
| <a name="163" href="#163">163</a> <span class="jxr_string">"with one "</span> + ExecutorService.<strong class="jxr_keyword">class</strong>.getSimpleName() + <span class="jxr_string">" parameter, "</span> + |
| <a name="164" href="#164">164</a> <span class="jxr_string">"a public constructor with one "</span> + Executor.<strong class="jxr_keyword">class</strong>.getSimpleName() + |
| <a name="165" href="#165">165</a> <span class="jxr_string">" parameter or a public default constructor."</span>); |
| <a name="166" href="#166">166</a> } |
| <a name="167" href="#167">167</a> |
| <a name="168" href="#168">168</a> pool[i] = processor; |
| <a name="169" href="#169">169</a> } |
| <a name="170" href="#170">170</a> |
| <a name="171" href="#171">171</a> success = <strong class="jxr_keyword">true</strong>; |
| <a name="172" href="#172">172</a> } <strong class="jxr_keyword">finally</strong> { |
| <a name="173" href="#173">173</a> <strong class="jxr_keyword">if</strong> (!success) { |
| <a name="174" href="#174">174</a> dispose(); |
| <a name="175" href="#175">175</a> } |
| <a name="176" href="#176">176</a> } |
| <a name="177" href="#177">177</a> } |
| <a name="178" href="#178">178</a> |
| <a name="179" href="#179">179</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> add(T session) { |
| <a name="180" href="#180">180</a> getProcessor(session).add(session); |
| <a name="181" href="#181">181</a> } |
| <a name="182" href="#182">182</a> |
| <a name="183" href="#183">183</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> flush(T session) { |
| <a name="184" href="#184">184</a> getProcessor(session).flush(session); |
| <a name="185" href="#185">185</a> } |
| <a name="186" href="#186">186</a> |
| <a name="187" href="#187">187</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> remove(T session) { |
| <a name="188" href="#188">188</a> getProcessor(session).remove(session); |
| <a name="189" href="#189">189</a> } |
| <a name="190" href="#190">190</a> |
| <a name="191" href="#191">191</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> updateTrafficControl(T session) { |
| <a name="192" href="#192">192</a> getProcessor(session).updateTrafficControl(session); |
| <a name="193" href="#193">193</a> } |
| <a name="194" href="#194">194</a> |
| <a name="195" href="#195">195</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isDisposed() { |
| <a name="196" href="#196">196</a> <strong class="jxr_keyword">return</strong> disposed; |
| <a name="197" href="#197">197</a> } |
| <a name="198" href="#198">198</a> |
| <a name="199" href="#199">199</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isDisposing() { |
| <a name="200" href="#200">200</a> <strong class="jxr_keyword">return</strong> disposing; |
| <a name="201" href="#201">201</a> } |
| <a name="202" href="#202">202</a> |
| <a name="203" href="#203">203</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> dispose() { |
| <a name="204" href="#204">204</a> <strong class="jxr_keyword">if</strong> (disposed) { |
| <a name="205" href="#205">205</a> <strong class="jxr_keyword">return</strong>; |
| <a name="206" href="#206">206</a> } |
| <a name="207" href="#207">207</a> |
| <a name="208" href="#208">208</a> <strong class="jxr_keyword">synchronized</strong> (disposalLock) { |
| <a name="209" href="#209">209</a> <strong class="jxr_keyword">if</strong> (!disposing) { |
| <a name="210" href="#210">210</a> disposing = <strong class="jxr_keyword">true</strong>; |
| <a name="211" href="#211">211</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = pool.length - 1; i >= 0; i --) { |
| <a name="212" href="#212">212</a> <strong class="jxr_keyword">if</strong> (pool[i] == <strong class="jxr_keyword">null</strong> || pool[i].isDisposing()) { |
| <a name="213" href="#213">213</a> <strong class="jxr_keyword">continue</strong>; |
| <a name="214" href="#214">214</a> } |
| <a name="215" href="#215">215</a> |
| <a name="216" href="#216">216</a> <strong class="jxr_keyword">try</strong> { |
| <a name="217" href="#217">217</a> pool[i].dispose(); |
| <a name="218" href="#218">218</a> } <strong class="jxr_keyword">catch</strong> (Exception e) { |
| <a name="219" href="#219">219</a> LOGGER.warn( |
| <a name="220" href="#220">220</a> <span class="jxr_string">"Failed to dispose a "</span> + |
| <a name="221" href="#221">221</a> pool[i].getClass().getSimpleName() + |
| <a name="222" href="#222">222</a> <span class="jxr_string">" at index "</span> + i + <span class="jxr_string">"."</span>, e); |
| <a name="223" href="#223">223</a> } <strong class="jxr_keyword">finally</strong> { |
| <a name="224" href="#224">224</a> pool[i] = <strong class="jxr_keyword">null</strong>; |
| <a name="225" href="#225">225</a> } |
| <a name="226" href="#226">226</a> } |
| <a name="227" href="#227">227</a> |
| <a name="228" href="#228">228</a> <strong class="jxr_keyword">if</strong> (createdExecutor) { |
| <a name="229" href="#229">229</a> ((ExecutorService) executor).shutdown(); |
| <a name="230" href="#230">230</a> } |
| <a name="231" href="#231">231</a> } |
| <a name="232" href="#232">232</a> } |
| <a name="233" href="#233">233</a> |
| <a name="234" href="#234">234</a> disposed = <strong class="jxr_keyword">true</strong>; |
| <a name="235" href="#235">235</a> } |
| <a name="236" href="#236">236</a> |
| <a name="237" href="#237">237</a> @SuppressWarnings(<span class="jxr_string">"unchecked"</span>) |
| <a name="238" href="#238">238</a> <strong class="jxr_keyword">private</strong> IoProcessor<T> getProcessor(T session) { |
| <a name="239" href="#239">239</a> IoProcessor<T> p = (IoProcessor<T>) session.getAttribute(PROCESSOR); |
| <a name="240" href="#240">240</a> <strong class="jxr_keyword">if</strong> (p == <strong class="jxr_keyword">null</strong>) { |
| <a name="241" href="#241">241</a> p = nextProcessor(); |
| <a name="242" href="#242">242</a> IoProcessor<T> oldp = |
| <a name="243" href="#243">243</a> (IoProcessor<T>) session.setAttributeIfAbsent(PROCESSOR, p); |
| <a name="244" href="#244">244</a> <strong class="jxr_keyword">if</strong> (oldp != <strong class="jxr_keyword">null</strong>) { |
| <a name="245" href="#245">245</a> p = oldp; |
| <a name="246" href="#246">246</a> } |
| <a name="247" href="#247">247</a> } |
| <a name="248" href="#248">248</a> |
| <a name="249" href="#249">249</a> <strong class="jxr_keyword">return</strong> p; |
| <a name="250" href="#250">250</a> } |
| <a name="251" href="#251">251</a> |
| <a name="252" href="#252">252</a> <strong class="jxr_keyword">private</strong> IoProcessor<T> nextProcessor() { |
| <a name="253" href="#253">253</a> checkDisposal(); |
| <a name="254" href="#254">254</a> <strong class="jxr_keyword">return</strong> pool[Math.abs(processorDistributor.getAndIncrement()) % pool.length]; |
| <a name="255" href="#255">255</a> } |
| <a name="256" href="#256">256</a> |
| <a name="257" href="#257">257</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> checkDisposal() { |
| <a name="258" href="#258">258</a> <strong class="jxr_keyword">if</strong> (disposed) { |
| <a name="259" href="#259">259</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException(<span class="jxr_string">"A disposed processor cannot be accessed."</span>); |
| <a name="260" href="#260">260</a> } |
| <a name="261" href="#261">261</a> } |
| <a name="262" href="#262">262</a> } |
| </pre> |
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