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| <a class="jxr_linenumber" name="L1" href="#L1">1</a> <em class="jxr_comment">/*</em> |
| <a class="jxr_linenumber" name="L2" href="#L2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em> |
| <a class="jxr_linenumber" name="L3" href="#L3">3</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em> |
| <a class="jxr_linenumber" name="L4" href="#L4">4</a> <em class="jxr_comment"> * distributed with this work for additional information</em> |
| <a class="jxr_linenumber" name="L5" href="#L5">5</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em> |
| <a class="jxr_linenumber" name="L6" href="#L6">6</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em> |
| <a class="jxr_linenumber" name="L7" href="#L7">7</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em> |
| <a class="jxr_linenumber" name="L8" href="#L8">8</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em> |
| <a class="jxr_linenumber" name="L9" href="#L9">9</a> <em class="jxr_comment"> *</em> |
| <a class="jxr_linenumber" name="L10" href="#L10">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 class="jxr_linenumber" name="L11" href="#L11">11</a> <em class="jxr_comment"> *</em> |
| <a class="jxr_linenumber" name="L12" href="#L12">12</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em> |
| <a class="jxr_linenumber" name="L13" href="#L13">13</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em> |
| <a class="jxr_linenumber" name="L14" href="#L14">14</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em> |
| <a class="jxr_linenumber" name="L15" href="#L15">15</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em> |
| <a class="jxr_linenumber" name="L16" href="#L16">16</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em> |
| <a class="jxr_linenumber" name="L17" href="#L17">17</a> <em class="jxr_comment"> * under the License.</em> |
| <a class="jxr_linenumber" name="L18" href="#L18">18</a> <em class="jxr_comment"> *</em> |
| <a class="jxr_linenumber" name="L19" href="#L19">19</a> <em class="jxr_comment"> */</em> |
| <a class="jxr_linenumber" name="L20" href="#L20">20</a> <strong class="jxr_keyword">package</strong> org.apache.mina.filter.executor; |
| <a class="jxr_linenumber" name="L21" href="#L21">21</a> |
| <a class="jxr_linenumber" name="L22" href="#L22">22</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.filterchain.IoFilter; |
| <a class="jxr_linenumber" name="L23" href="#L23">23</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.session.DummySession; |
| <a class="jxr_linenumber" name="L24" href="#L24">24</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.session.IdleStatus; |
| <a class="jxr_linenumber" name="L25" href="#L25">25</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.session.IoSession; |
| <a class="jxr_linenumber" name="L26" href="#L26">26</a> <strong class="jxr_keyword">import</strong> org.apache.mina.core.write.WriteRequest; |
| <a class="jxr_linenumber" name="L27" href="#L27">27</a> <strong class="jxr_keyword">import</strong> org.apache.mina.filter.FilterEvent; |
| <a class="jxr_linenumber" name="L28" href="#L28">28</a> <strong class="jxr_keyword">import</strong> org.junit.Test; |
| <a class="jxr_linenumber" name="L29" href="#L29">29</a> |
| <a class="jxr_linenumber" name="L30" href="#L30">30</a> <strong class="jxr_keyword">import</strong> java.util.ArrayList; |
| <a class="jxr_linenumber" name="L31" href="#L31">31</a> <strong class="jxr_keyword">import</strong> java.util.Comparator; |
| <a class="jxr_linenumber" name="L32" href="#L32">32</a> <strong class="jxr_keyword">import</strong> java.util.List; |
| <a class="jxr_linenumber" name="L33" href="#L33">33</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ExecutorService; |
| <a class="jxr_linenumber" name="L34" href="#L34">34</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.TimeUnit; |
| <a class="jxr_linenumber" name="L35" href="#L35">35</a> |
| <a class="jxr_linenumber" name="L36" href="#L36">36</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.junit.Assert.assertEquals; |
| <a class="jxr_linenumber" name="L37" href="#L37">37</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.junit.Assert.assertTrue; |
| <a class="jxr_linenumber" name="L38" href="#L38">38</a> |
| <a class="jxr_linenumber" name="L39" href="#L39">39</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L40" href="#L40">40</a> <em class="jxr_javadoccomment"> * Tests that verify the functionality provided by the implementation of</em> |
| <a class="jxr_linenumber" name="L41" href="#L41">41</a> <em class="jxr_javadoccomment"> * {@link PriorityThreadPoolExecutor}.</em> |
| <a class="jxr_linenumber" name="L42" href="#L42">42</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L43" href="#L43">43</a> <em class="jxr_javadoccomment"> * @author Guus der Kinderen, guus.der.kinderen@gmail.com</em> |
| <a class="jxr_linenumber" name="L44" href="#L44">44</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L45" href="#L45">45</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a name="PriorityThreadPoolExecutorTest" href="../../../../../org/apache/mina/filter/executor/PriorityThreadPoolExecutorTest.html#PriorityThreadPoolExecutorTest">PriorityThreadPoolExecutorTest</a> { |
| <a class="jxr_linenumber" name="L46" href="#L46">46</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L47" href="#L47">47</a> <em class="jxr_javadoccomment"> * Tests that verify the functionality provided by the implementation of</em> |
| <a class="jxr_linenumber" name="L48" href="#L48">48</a> <em class="jxr_javadoccomment"> * {@link org.apache.mina.filter.executor.PriorityThreadPoolExecutor.SessionEntry}</em> |
| <a class="jxr_linenumber" name="L49" href="#L49">49</a> <em class="jxr_javadoccomment"> * .</em> |
| <a class="jxr_linenumber" name="L50" href="#L50">50</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L51" href="#L51">51</a> <em class="jxr_javadoccomment"> * This test asserts that, without a provided comparator, entries are</em> |
| <a class="jxr_linenumber" name="L52" href="#L52">52</a> <em class="jxr_javadoccomment"> * considered equal, when they reference the same session.</em> |
| <a class="jxr_linenumber" name="L53" href="#L53">53</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L54" href="#L54">54</a> @Test |
| <a class="jxr_linenumber" name="L55" href="#L55">55</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> fifoEntryTestNoComparatorSameSession() <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="L56" href="#L56">56</a> <em class="jxr_comment">// Set up fixture.</em> |
| <a class="jxr_linenumber" name="L57" href="#L57">57</a> <strong class="jxr_keyword">final</strong> IoSession session = <strong class="jxr_keyword">new</strong> DummySession(); |
| <a class="jxr_linenumber" name="L58" href="#L58">58</a> <strong class="jxr_keyword">final</strong> PriorityThreadPoolExecutor.SessionEntry first = <strong class="jxr_keyword">new</strong> PriorityThreadPoolExecutor.SessionEntry(session, <strong class="jxr_keyword">null</strong>); |
| <a class="jxr_linenumber" name="L59" href="#L59">59</a> <strong class="jxr_keyword">final</strong> PriorityThreadPoolExecutor.SessionEntry last = <strong class="jxr_keyword">new</strong> PriorityThreadPoolExecutor.SessionEntry(session, <strong class="jxr_keyword">null</strong>); |
| <a class="jxr_linenumber" name="L60" href="#L60">60</a> |
| <a class="jxr_linenumber" name="L61" href="#L61">61</a> <em class="jxr_comment">// Execute system under test.</em> |
| <a class="jxr_linenumber" name="L62" href="#L62">62</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> result = first.compareTo(last); |
| <a class="jxr_linenumber" name="L63" href="#L63">63</a> |
| <a class="jxr_linenumber" name="L64" href="#L64">64</a> <em class="jxr_comment">// Verify results.</em> |
| <a class="jxr_linenumber" name="L65" href="#L65">65</a> assertEquals(<span class="jxr_string">"Without a comparator, entries of the same session are expected to be equal."</span>, 0, result); |
| <a class="jxr_linenumber" name="L66" href="#L66">66</a> } |
| <a class="jxr_linenumber" name="L67" href="#L67">67</a> |
| <a class="jxr_linenumber" name="L68" href="#L68">68</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L69" href="#L69">69</a> <em class="jxr_javadoccomment"> * Tests that verify the functionality provided by the implementation of</em> |
| <a class="jxr_linenumber" name="L70" href="#L70">70</a> <em class="jxr_javadoccomment"> * {@link org.apache.mina.filter.executor.PriorityThreadPoolExecutor.SessionEntry}</em> |
| <a class="jxr_linenumber" name="L71" href="#L71">71</a> <em class="jxr_javadoccomment"> * .</em> |
| <a class="jxr_linenumber" name="L72" href="#L72">72</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L73" href="#L73">73</a> <em class="jxr_javadoccomment"> * This test asserts that, without a provided comparator, the first entry</em> |
| <a class="jxr_linenumber" name="L74" href="#L74">74</a> <em class="jxr_javadoccomment"> * created is 'less than' an entry that is created later.</em> |
| <a class="jxr_linenumber" name="L75" href="#L75">75</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L76" href="#L76">76</a> @Test |
| <a class="jxr_linenumber" name="L77" href="#L77">77</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> fifoEntryTestNoComparatorDifferentSession() <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="L78" href="#L78">78</a> <em class="jxr_comment">// Set up fixture (the order in which the entries are created is</em> |
| <a class="jxr_linenumber" name="L79" href="#L79">79</a> <em class="jxr_comment">// relevant here!)</em> |
| <a class="jxr_linenumber" name="L80" href="#L80">80</a> <strong class="jxr_keyword">final</strong> PriorityThreadPoolExecutor.SessionEntry first = <strong class="jxr_keyword">new</strong> PriorityThreadPoolExecutor.SessionEntry(<strong class="jxr_keyword">new</strong> DummySession(), <strong class="jxr_keyword">null</strong>); |
| <a class="jxr_linenumber" name="L81" href="#L81">81</a> <strong class="jxr_keyword">final</strong> PriorityThreadPoolExecutor.SessionEntry last = <strong class="jxr_keyword">new</strong> PriorityThreadPoolExecutor.SessionEntry(<strong class="jxr_keyword">new</strong> DummySession(), <strong class="jxr_keyword">null</strong>); |
| <a class="jxr_linenumber" name="L82" href="#L82">82</a> |
| <a class="jxr_linenumber" name="L83" href="#L83">83</a> <em class="jxr_comment">// Execute system under test.</em> |
| <a class="jxr_linenumber" name="L84" href="#L84">84</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> result = first.compareTo(last); |
| <a class="jxr_linenumber" name="L85" href="#L85">85</a> |
| <a class="jxr_linenumber" name="L86" href="#L86">86</a> <em class="jxr_comment">// Verify results.</em> |
| <a class="jxr_linenumber" name="L87" href="#L87">87</a> assertTrue(<span class="jxr_string">"Without a comparator, the first entry created should be the first entry out. Expected a negative result, instead, got: "</span> + result, result < 0); |
| <a class="jxr_linenumber" name="L88" href="#L88">88</a> } |
| <a class="jxr_linenumber" name="L89" href="#L89">89</a> |
| <a class="jxr_linenumber" name="L90" href="#L90">90</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L91" href="#L91">91</a> <em class="jxr_javadoccomment"> * Tests that verify the functionality provided by the implementation of</em> |
| <a class="jxr_linenumber" name="L92" href="#L92">92</a> <em class="jxr_javadoccomment"> * {@link org.apache.mina.filter.executor.PriorityThreadPoolExecutor.SessionEntry}</em> |
| <a class="jxr_linenumber" name="L93" href="#L93">93</a> <em class="jxr_javadoccomment"> * .</em> |
| <a class="jxr_linenumber" name="L94" href="#L94">94</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L95" href="#L95">95</a> <em class="jxr_javadoccomment"> * This test asserts that, with a provided comparator, entries are</em> |
| <a class="jxr_linenumber" name="L96" href="#L96">96</a> <em class="jxr_javadoccomment"> * considered equal, when they reference the same session (the provided</em> |
| <a class="jxr_linenumber" name="L97" href="#L97">97</a> <em class="jxr_javadoccomment"> * comparator is ignored).</em> |
| <a class="jxr_linenumber" name="L98" href="#L98">98</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L99" href="#L99">99</a> @Test |
| <a class="jxr_linenumber" name="L100" href="#L100">100</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> fifoEntryTestWithComparatorSameSession() <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="L101" href="#L101">101</a> <em class="jxr_comment">// Set up fixture.</em> |
| <a class="jxr_linenumber" name="L102" href="#L102">102</a> <strong class="jxr_keyword">final</strong> IoSession session = <strong class="jxr_keyword">new</strong> DummySession(); |
| <a class="jxr_linenumber" name="L103" href="#L103">103</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> predeterminedResult = 3853; |
| <a class="jxr_linenumber" name="L104" href="#L104">104</a> <strong class="jxr_keyword">final</strong> Comparator<IoSession> comparator = <strong class="jxr_keyword">new</strong> Comparator<IoSession>() { |
| <a class="jxr_linenumber" name="L105" href="#L105">105</a> @Override |
| <a class="jxr_linenumber" name="L106" href="#L106">106</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> compare(IoSession o1, IoSession o2) { |
| <a class="jxr_linenumber" name="L107" href="#L107">107</a> <strong class="jxr_keyword">return</strong> predeterminedResult; |
| <a class="jxr_linenumber" name="L108" href="#L108">108</a> } |
| <a class="jxr_linenumber" name="L109" href="#L109">109</a> }; |
| <a class="jxr_linenumber" name="L110" href="#L110">110</a> |
| <a class="jxr_linenumber" name="L111" href="#L111">111</a> <strong class="jxr_keyword">final</strong> PriorityThreadPoolExecutor.SessionEntry first = <strong class="jxr_keyword">new</strong> PriorityThreadPoolExecutor.SessionEntry(session, comparator); |
| <a class="jxr_linenumber" name="L112" href="#L112">112</a> <strong class="jxr_keyword">final</strong> PriorityThreadPoolExecutor.SessionEntry last = <strong class="jxr_keyword">new</strong> PriorityThreadPoolExecutor.SessionEntry(session, comparator); |
| <a class="jxr_linenumber" name="L113" href="#L113">113</a> |
| <a class="jxr_linenumber" name="L114" href="#L114">114</a> <em class="jxr_comment">// Execute system under test.</em> |
| <a class="jxr_linenumber" name="L115" href="#L115">115</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> result = first.compareTo(last); |
| <a class="jxr_linenumber" name="L116" href="#L116">116</a> |
| <a class="jxr_linenumber" name="L117" href="#L117">117</a> <em class="jxr_comment">// Verify results.</em> |
| <a class="jxr_linenumber" name="L118" href="#L118">118</a> assertEquals(<span class="jxr_string">"With a comparator, entries of the same session are expected to be equal."</span>, 0, result); |
| <a class="jxr_linenumber" name="L119" href="#L119">119</a> } |
| <a class="jxr_linenumber" name="L120" href="#L120">120</a> |
| <a class="jxr_linenumber" name="L121" href="#L121">121</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L122" href="#L122">122</a> <em class="jxr_javadoccomment"> * Tests that verify the functionality provided by the implementation of</em> |
| <a class="jxr_linenumber" name="L123" href="#L123">123</a> <em class="jxr_javadoccomment"> * {@link org.apache.mina.filter.executor.PriorityThreadPoolExecutor.SessionEntry}</em> |
| <a class="jxr_linenumber" name="L124" href="#L124">124</a> <em class="jxr_javadoccomment"> * .</em> |
| <a class="jxr_linenumber" name="L125" href="#L125">125</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L126" href="#L126">126</a> <em class="jxr_javadoccomment"> * This test asserts that a provided comparator is used instead of the</em> |
| <a class="jxr_linenumber" name="L127" href="#L127">127</a> <em class="jxr_javadoccomment"> * (fallback) default behavior (when entries are referring different</em> |
| <a class="jxr_linenumber" name="L128" href="#L128">128</a> <em class="jxr_javadoccomment"> * sessions).</em> |
| <a class="jxr_linenumber" name="L129" href="#L129">129</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L130" href="#L130">130</a> @Test |
| <a class="jxr_linenumber" name="L131" href="#L131">131</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> fifoEntryTestComparatorDifferentSession() <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="L132" href="#L132">132</a> <em class="jxr_comment">// Set up fixture (the order in which the entries are created is</em> |
| <a class="jxr_linenumber" name="L133" href="#L133">133</a> <em class="jxr_comment">// relevant here!)</em> |
| <a class="jxr_linenumber" name="L134" href="#L134">134</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> predeterminedResult = 3853; |
| <a class="jxr_linenumber" name="L135" href="#L135">135</a> <strong class="jxr_keyword">final</strong> Comparator<IoSession> comparator = <strong class="jxr_keyword">new</strong> Comparator<IoSession>() { |
| <a class="jxr_linenumber" name="L136" href="#L136">136</a> @Override |
| <a class="jxr_linenumber" name="L137" href="#L137">137</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> compare(IoSession o1, IoSession o2) { |
| <a class="jxr_linenumber" name="L138" href="#L138">138</a> <strong class="jxr_keyword">return</strong> predeterminedResult; |
| <a class="jxr_linenumber" name="L139" href="#L139">139</a> } |
| <a class="jxr_linenumber" name="L140" href="#L140">140</a> }; |
| <a class="jxr_linenumber" name="L141" href="#L141">141</a> <strong class="jxr_keyword">final</strong> PriorityThreadPoolExecutor.SessionEntry first = <strong class="jxr_keyword">new</strong> PriorityThreadPoolExecutor.SessionEntry(<strong class="jxr_keyword">new</strong> DummySession(), comparator); |
| <a class="jxr_linenumber" name="L142" href="#L142">142</a> <strong class="jxr_keyword">final</strong> PriorityThreadPoolExecutor.SessionEntry last = <strong class="jxr_keyword">new</strong> PriorityThreadPoolExecutor.SessionEntry(<strong class="jxr_keyword">new</strong> DummySession(), comparator); |
| <a class="jxr_linenumber" name="L143" href="#L143">143</a> |
| <a class="jxr_linenumber" name="L144" href="#L144">144</a> <em class="jxr_comment">// Execute system under test.</em> |
| <a class="jxr_linenumber" name="L145" href="#L145">145</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> result = first.compareTo(last); |
| <a class="jxr_linenumber" name="L146" href="#L146">146</a> |
| <a class="jxr_linenumber" name="L147" href="#L147">147</a> <em class="jxr_comment">// Verify results.</em> |
| <a class="jxr_linenumber" name="L148" href="#L148">148</a> assertEquals(<span class="jxr_string">"With a comparator, comparing entries of different sessions is expected to yield the comparator result."</span>, predeterminedResult, result); |
| <a class="jxr_linenumber" name="L149" href="#L149">149</a> } |
| <a class="jxr_linenumber" name="L150" href="#L150">150</a> |
| <a class="jxr_linenumber" name="L151" href="#L151">151</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L152" href="#L152">152</a> <em class="jxr_javadoccomment"> * Asserts that, when enough work is being submitted to the executor for it</em> |
| <a class="jxr_linenumber" name="L153" href="#L153">153</a> <em class="jxr_javadoccomment"> * to start queuing work, prioritisation of work starts to occur.</em> |
| <a class="jxr_linenumber" name="L154" href="#L154">154</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L155" href="#L155">155</a> <em class="jxr_javadoccomment"> * This implementation starts a number of sessions, and evenly distributes a</em> |
| <a class="jxr_linenumber" name="L156" href="#L156">156</a> <em class="jxr_javadoccomment"> * number of messages to them. Processing each message is artificially made</em> |
| <a class="jxr_linenumber" name="L157" href="#L157">157</a> <em class="jxr_javadoccomment"> * 'expensive', while the executor pool is kept small. This causes work to</em> |
| <a class="jxr_linenumber" name="L158" href="#L158">158</a> <em class="jxr_javadoccomment"> * be queued in the executor.</em> |
| <a class="jxr_linenumber" name="L159" href="#L159">159</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="L160" href="#L160">160</a> <em class="jxr_javadoccomment"> * The executor that is used is configured to prefer one specific session.</em> |
| <a class="jxr_linenumber" name="L161" href="#L161">161</a> <em class="jxr_javadoccomment"> * Each session records the timestamp of its last activity. After all work</em> |
| <a class="jxr_linenumber" name="L162" href="#L162">162</a> <em class="jxr_javadoccomment"> * has been processed, the test asserts that the last activity of all</em> |
| <a class="jxr_linenumber" name="L163" href="#L163">163</a> <em class="jxr_javadoccomment"> * sessions was later than the last activity of the preferred session.</em> |
| <a class="jxr_linenumber" name="L164" href="#L164">164</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L165" href="#L165">165</a> @Test |
| <a class="jxr_linenumber" name="L166" href="#L166">166</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testPrioritisation() <strong class="jxr_keyword">throws</strong> Throwable { |
| <a class="jxr_linenumber" name="L167" href="#L167">167</a> <em class="jxr_comment">// Set up fixture.</em> |
| <a class="jxr_linenumber" name="L168" href="#L168">168</a> <strong class="jxr_keyword">final</strong> MockWorkFilter nextFilter = <strong class="jxr_keyword">new</strong> MockWorkFilter(); |
| <a class="jxr_linenumber" name="L169" href="#L169">169</a> <strong class="jxr_keyword">final</strong> List<LastActivityTracker> sessions = <strong class="jxr_keyword">new</strong> ArrayList<>(); |
| <a class="jxr_linenumber" name="L170" href="#L170">170</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < 10; i++) { |
| <a class="jxr_linenumber" name="L171" href="#L171">171</a> sessions.add(<strong class="jxr_keyword">new</strong> LastActivityTracker()); |
| <a class="jxr_linenumber" name="L172" href="#L172">172</a> } |
| <a class="jxr_linenumber" name="L173" href="#L173">173</a> <strong class="jxr_keyword">final</strong> LastActivityTracker preferredSession = sessions.get(4); <em class="jxr_comment">// prefer</em> |
| <a class="jxr_linenumber" name="L174" href="#L174">174</a> <em class="jxr_comment">// an</em> |
| <a class="jxr_linenumber" name="L175" href="#L175">175</a> <em class="jxr_comment">// arbitrary</em> |
| <a class="jxr_linenumber" name="L176" href="#L176">176</a> <em class="jxr_comment">// session</em> |
| <a class="jxr_linenumber" name="L177" href="#L177">177</a> <em class="jxr_comment">// (but</em> |
| <a class="jxr_linenumber" name="L178" href="#L178">178</a> <em class="jxr_comment">// not the</em> |
| <a class="jxr_linenumber" name="L179" href="#L179">179</a> <em class="jxr_comment">// first</em> |
| <a class="jxr_linenumber" name="L180" href="#L180">180</a> <em class="jxr_comment">// or last</em> |
| <a class="jxr_linenumber" name="L181" href="#L181">181</a> <em class="jxr_comment">// session,</em> |
| <a class="jxr_linenumber" name="L182" href="#L182">182</a> <em class="jxr_comment">// for</em> |
| <a class="jxr_linenumber" name="L183" href="#L183">183</a> <em class="jxr_comment">// good</em> |
| <a class="jxr_linenumber" name="L184" href="#L184">184</a> <em class="jxr_comment">// measure).</em> |
| <a class="jxr_linenumber" name="L185" href="#L185">185</a> <strong class="jxr_keyword">final</strong> Comparator<IoSession> comparator = <strong class="jxr_keyword">new</strong> UnfairComparator(preferredSession); |
| <a class="jxr_linenumber" name="L186" href="#L186">186</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> maximumPoolSize = 1; <em class="jxr_comment">// keep this low, to force resource</em> |
| <a class="jxr_linenumber" name="L187" href="#L187">187</a> <em class="jxr_comment">// contention.</em> |
| <a class="jxr_linenumber" name="L188" href="#L188">188</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> amountOfTasks = 400; |
| <a class="jxr_linenumber" name="L189" href="#L189">189</a> |
| <a class="jxr_linenumber" name="L190" href="#L190">190</a> <strong class="jxr_keyword">final</strong> ExecutorService executor = <strong class="jxr_keyword">new</strong> PriorityThreadPoolExecutor(maximumPoolSize, comparator); |
| <a class="jxr_linenumber" name="L191" href="#L191">191</a> <strong class="jxr_keyword">final</strong> ExecutorFilter filter = <strong class="jxr_keyword">new</strong> ExecutorFilter(executor); |
| <a class="jxr_linenumber" name="L192" href="#L192">192</a> |
| <a class="jxr_linenumber" name="L193" href="#L193">193</a> <em class="jxr_comment">// Execute system under test.</em> |
| <a class="jxr_linenumber" name="L194" href="#L194">194</a> <strong class="jxr_keyword">int</strong> sessionIndex = 0; |
| <a class="jxr_linenumber" name="L195" href="#L195">195</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < amountOfTasks; i++) { |
| <a class="jxr_linenumber" name="L196" href="#L196">196</a> <strong class="jxr_keyword">if</strong> (++sessionIndex >= sessions.size()) { |
| <a class="jxr_linenumber" name="L197" href="#L197">197</a> sessionIndex = 0; |
| <a class="jxr_linenumber" name="L198" href="#L198">198</a> } |
| <a class="jxr_linenumber" name="L199" href="#L199">199</a> |
| <a class="jxr_linenumber" name="L200" href="#L200">200</a> filter.messageReceived(nextFilter, sessions.get(sessionIndex), <strong class="jxr_keyword">null</strong>); |
| <a class="jxr_linenumber" name="L201" href="#L201">201</a> |
| <a class="jxr_linenumber" name="L202" href="#L202">202</a> <strong class="jxr_keyword">if</strong> (nextFilter.throwable != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="L203" href="#L203">203</a> <strong class="jxr_keyword">throw</strong> nextFilter.throwable; |
| <a class="jxr_linenumber" name="L204" href="#L204">204</a> } |
| <a class="jxr_linenumber" name="L205" href="#L205">205</a> } |
| <a class="jxr_linenumber" name="L206" href="#L206">206</a> |
| <a class="jxr_linenumber" name="L207" href="#L207">207</a> executor.shutdown(); |
| <a class="jxr_linenumber" name="L208" href="#L208">208</a> |
| <a class="jxr_linenumber" name="L209" href="#L209">209</a> <em class="jxr_comment">// Verify results.</em> |
| <a class="jxr_linenumber" name="L210" href="#L210">210</a> executor.awaitTermination(Long.MAX_VALUE, TimeUnit.SECONDS); |
| <a class="jxr_linenumber" name="L211" href="#L211">211</a> |
| <a class="jxr_linenumber" name="L212" href="#L212">212</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">final</strong> LastActivityTracker session : sessions) { |
| <a class="jxr_linenumber" name="L213" href="#L213">213</a> <strong class="jxr_keyword">if</strong> (session != preferredSession) { |
| <a class="jxr_linenumber" name="L214" href="#L214">214</a> assertTrue(<span class="jxr_string">"All other sessions should have finished later than the preferred session (but at least one did not)."</span>, session.lastActivity > preferredSession.lastActivity); |
| <a class="jxr_linenumber" name="L215" href="#L215">215</a> } |
| <a class="jxr_linenumber" name="L216" href="#L216">216</a> } |
| <a class="jxr_linenumber" name="L217" href="#L217">217</a> } |
| <a class="jxr_linenumber" name="L218" href="#L218">218</a> |
| <a class="jxr_linenumber" name="L219" href="#L219">219</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L220" href="#L220">220</a> <em class="jxr_javadoccomment"> * A comparator that prefers a particular session.</em> |
| <a class="jxr_linenumber" name="L221" href="#L221">221</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L222" href="#L222">222</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> UnfairComparator <strong class="jxr_keyword">implements</strong> Comparator<IoSession> { |
| <a class="jxr_linenumber" name="L223" href="#L223">223</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> IoSession preferred; |
| <a class="jxr_linenumber" name="L224" href="#L224">224</a> |
| <a class="jxr_linenumber" name="L225" href="#L225">225</a> <strong class="jxr_keyword">public</strong> UnfairComparator(IoSession preferred) { |
| <a class="jxr_linenumber" name="L226" href="#L226">226</a> <strong class="jxr_keyword">this</strong>.preferred = preferred; |
| <a class="jxr_linenumber" name="L227" href="#L227">227</a> } |
| <a class="jxr_linenumber" name="L228" href="#L228">228</a> |
| <a class="jxr_linenumber" name="L229" href="#L229">229</a> @Override |
| <a class="jxr_linenumber" name="L230" href="#L230">230</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> compare(IoSession o1, IoSession o2) { |
| <a class="jxr_linenumber" name="L231" href="#L231">231</a> <strong class="jxr_keyword">if</strong> (o1 == preferred) { |
| <a class="jxr_linenumber" name="L232" href="#L232">232</a> <strong class="jxr_keyword">return</strong> -1; |
| <a class="jxr_linenumber" name="L233" href="#L233">233</a> } |
| <a class="jxr_linenumber" name="L234" href="#L234">234</a> |
| <a class="jxr_linenumber" name="L235" href="#L235">235</a> <strong class="jxr_keyword">if</strong> (o2 == preferred) { |
| <a class="jxr_linenumber" name="L236" href="#L236">236</a> <strong class="jxr_keyword">return</strong> 1; |
| <a class="jxr_linenumber" name="L237" href="#L237">237</a> } |
| <a class="jxr_linenumber" name="L238" href="#L238">238</a> |
| <a class="jxr_linenumber" name="L239" href="#L239">239</a> <strong class="jxr_keyword">return</strong> 0; |
| <a class="jxr_linenumber" name="L240" href="#L240">240</a> } |
| <a class="jxr_linenumber" name="L241" href="#L241">241</a> } |
| <a class="jxr_linenumber" name="L242" href="#L242">242</a> |
| <a class="jxr_linenumber" name="L243" href="#L243">243</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L244" href="#L244">244</a> <em class="jxr_javadoccomment"> * A session that tracks the timestamp of last activity.</em> |
| <a class="jxr_linenumber" name="L245" href="#L245">245</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L246" href="#L246">246</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> LastActivityTracker <strong class="jxr_keyword">extends</strong> DummySession { |
| <a class="jxr_linenumber" name="L247" href="#L247">247</a> <strong class="jxr_keyword">long</strong> lastActivity = System.currentTimeMillis(); |
| <a class="jxr_linenumber" name="L248" href="#L248">248</a> |
| <a class="jxr_linenumber" name="L249" href="#L249">249</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">void</strong> setLastActivity() { |
| <a class="jxr_linenumber" name="L250" href="#L250">250</a> lastActivity = System.currentTimeMillis(); |
| <a class="jxr_linenumber" name="L251" href="#L251">251</a> } |
| <a class="jxr_linenumber" name="L252" href="#L252">252</a> } |
| <a class="jxr_linenumber" name="L253" href="#L253">253</a> |
| <a class="jxr_linenumber" name="L254" href="#L254">254</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="L255" href="#L255">255</a> <em class="jxr_javadoccomment"> * A filter that simulates a non-negligible amount of work.</em> |
| <a class="jxr_linenumber" name="L256" href="#L256">256</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="L257" href="#L257">257</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> MockWorkFilter <strong class="jxr_keyword">implements</strong> IoFilter.NextFilter { |
| <a class="jxr_linenumber" name="L258" href="#L258">258</a> Throwable throwable; |
| <a class="jxr_linenumber" name="L259" href="#L259">259</a> |
| <a class="jxr_linenumber" name="L260" href="#L260">260</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> sessionOpened(IoSession session) { |
| <a class="jxr_linenumber" name="L261" href="#L261">261</a> <em class="jxr_comment">// Do nothing</em> |
| <a class="jxr_linenumber" name="L262" href="#L262">262</a> } |
| <a class="jxr_linenumber" name="L263" href="#L263">263</a> |
| <a class="jxr_linenumber" name="L264" href="#L264">264</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> sessionClosed(IoSession session) { |
| <a class="jxr_linenumber" name="L265" href="#L265">265</a> <em class="jxr_comment">// Do nothing</em> |
| <a class="jxr_linenumber" name="L266" href="#L266">266</a> } |
| <a class="jxr_linenumber" name="L267" href="#L267">267</a> |
| <a class="jxr_linenumber" name="L268" href="#L268">268</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> sessionIdle(IoSession session, IdleStatus status) { |
| <a class="jxr_linenumber" name="L269" href="#L269">269</a> <em class="jxr_comment">// Do nothing</em> |
| <a class="jxr_linenumber" name="L270" href="#L270">270</a> } |
| <a class="jxr_linenumber" name="L271" href="#L271">271</a> |
| <a class="jxr_linenumber" name="L272" href="#L272">272</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> exceptionCaught(IoSession session, Throwable cause) { |
| <a class="jxr_linenumber" name="L273" href="#L273">273</a> <em class="jxr_comment">// Do nothing</em> |
| <a class="jxr_linenumber" name="L274" href="#L274">274</a> } |
| <a class="jxr_linenumber" name="L275" href="#L275">275</a> |
| <a class="jxr_linenumber" name="L276" href="#L276">276</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> inputClosed(IoSession session) { |
| <a class="jxr_linenumber" name="L277" href="#L277">277</a> <em class="jxr_comment">// Do nothing</em> |
| <a class="jxr_linenumber" name="L278" href="#L278">278</a> } |
| <a class="jxr_linenumber" name="L279" href="#L279">279</a> |
| <a class="jxr_linenumber" name="L280" href="#L280">280</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> messageReceived(IoSession session, Object message) { |
| <a class="jxr_linenumber" name="L281" href="#L281">281</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="L282" href="#L282">282</a> Thread.sleep(20); <em class="jxr_comment">// mimic work.</em> |
| <a class="jxr_linenumber" name="L283" href="#L283">283</a> ((LastActivityTracker) session).setLastActivity(); |
| <a class="jxr_linenumber" name="L284" href="#L284">284</a> } <strong class="jxr_keyword">catch</strong> (Exception e) { |
| <a class="jxr_linenumber" name="L285" href="#L285">285</a> <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">this</strong>.throwable == <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="L286" href="#L286">286</a> <strong class="jxr_keyword">this</strong>.throwable = e; |
| <a class="jxr_linenumber" name="L287" href="#L287">287</a> } |
| <a class="jxr_linenumber" name="L288" href="#L288">288</a> } |
| <a class="jxr_linenumber" name="L289" href="#L289">289</a> } |
| <a class="jxr_linenumber" name="L290" href="#L290">290</a> |
| <a class="jxr_linenumber" name="L291" href="#L291">291</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> messageSent(IoSession session, WriteRequest writeRequest) { |
| <a class="jxr_linenumber" name="L292" href="#L292">292</a> <em class="jxr_comment">// Do nothing</em> |
| <a class="jxr_linenumber" name="L293" href="#L293">293</a> } |
| <a class="jxr_linenumber" name="L294" href="#L294">294</a> |
| <a class="jxr_linenumber" name="L295" href="#L295">295</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> filterWrite(IoSession session, WriteRequest writeRequest) { |
| <a class="jxr_linenumber" name="L296" href="#L296">296</a> <em class="jxr_comment">// Do nothing</em> |
| <a class="jxr_linenumber" name="L297" href="#L297">297</a> } |
| <a class="jxr_linenumber" name="L298" href="#L298">298</a> |
| <a class="jxr_linenumber" name="L299" href="#L299">299</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> filterClose(IoSession session) { |
| <a class="jxr_linenumber" name="L300" href="#L300">300</a> <em class="jxr_comment">// Do nothing</em> |
| <a class="jxr_linenumber" name="L301" href="#L301">301</a> } |
| <a class="jxr_linenumber" name="L302" href="#L302">302</a> |
| <a class="jxr_linenumber" name="L303" href="#L303">303</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> sessionCreated(IoSession session) { |
| <a class="jxr_linenumber" name="L304" href="#L304">304</a> <em class="jxr_comment">// Do nothing</em> |
| <a class="jxr_linenumber" name="L305" href="#L305">305</a> } |
| <a class="jxr_linenumber" name="L306" href="#L306">306</a> |
| <a class="jxr_linenumber" name="L307" href="#L307">307</a> @Override |
| <a class="jxr_linenumber" name="L308" href="#L308">308</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> event(IoSession session, FilterEvent event) { |
| <a class="jxr_linenumber" name="L309" href="#L309">309</a> <em class="jxr_comment">// TODO Auto-generated method stub</em> |
| <a class="jxr_linenumber" name="L310" href="#L310">310</a> |
| <a class="jxr_linenumber" name="L311" href="#L311">311</a> } |
| <a class="jxr_linenumber" name="L312" href="#L312">312</a> } |
| <a class="jxr_linenumber" name="L313" href="#L313">313</a> } |
| </pre> |
| <hr/> |
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