📄 adaptiverevisithostqueuetest.html
字号:
<!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>AdaptiveRevisitHostQueueTest xref</title><link type="text/css" rel="stylesheet" href="../../../../stylesheet.css" /></head><body><div id="overview"><a href="../../../../../apidocs/org/archive/crawler/frontier/AdaptiveRevisitHostQueueTest.html">View Javadoc</a></div><pre><a name="1" href="#1">1</a> <em class="comment">/*<em class="comment"> ARHostQueueTest.java</em></em><a name="2" href="#2">2</a> <em class="comment">*</em><a name="3" href="#3">3</a> <em class="comment">* Created on Sep 13, 2004</em><a name="4" href="#4">4</a> <em class="comment">*</em><a name="5" href="#5">5</a> <em class="comment">* Copyright (C) 2004 Kristinn Sigur?sson.</em><a name="6" href="#6">6</a> <em class="comment">*</em><a name="7" href="#7">7</a> <em class="comment">* This file is part of the Heritrix web crawler (crawler.archive.org).</em><a name="8" href="#8">8</a> <em class="comment">*</em><a name="9" href="#9">9</a> <em class="comment">* Heritrix is free software; you can redistribute it and/or modify</em><a name="10" href="#10">10</a> <em class="comment">* it under the terms of the GNU Lesser Public License as published by</em><a name="11" href="#11">11</a> <em class="comment">* the Free Software Foundation; either version 2.1 of the License, or</em><a name="12" href="#12">12</a> <em class="comment">* any later version.</em><a name="13" href="#13">13</a> <em class="comment">*</em><a name="14" href="#14">14</a> <em class="comment">* Heritrix is distributed in the hope that it will be useful,</em><a name="15" href="#15">15</a> <em class="comment">* but WITHOUT ANY WARRANTY; without even the implied warranty of</em><a name="16" href="#16">16</a> <em class="comment">* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</em><a name="17" href="#17">17</a> <em class="comment">* GNU Lesser Public License for more details.</em><a name="18" href="#18">18</a> <em class="comment">*</em><a name="19" href="#19">19</a> <em class="comment">* You should have received a copy of the GNU Lesser Public License</em><a name="20" href="#20">20</a> <em class="comment">* along with Heritrix; if not, write to the Free Software</em><a name="21" href="#21">21</a> <em class="comment">* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</em><a name="22" href="#22">22</a> <em class="comment">*/</em><a name="23" href="#23">23</a> <strong>package</strong> <a href="../../../../org/archive/crawler/frontier/package-summary.html">org.archive.crawler.frontier</a>;<a name="24" href="#24">24</a> <a name="25" href="#25">25</a> <strong>import</strong> java.io.File;<a name="26" href="#26">26</a> <a name="27" href="#27">27</a> <strong>import</strong> org.archive.crawler.datamodel.CrawlURI;<a name="28" href="#28">28</a> <strong>import</strong> org.archive.net.UURI;<a name="29" href="#29">29</a> <strong>import</strong> org.archive.net.UURIFactory;<a name="30" href="#30">30</a> <strong>import</strong> org.archive.util.TmpDirTestCase;<a name="31" href="#31">31</a> <strong>import</strong> org.archive.util.FileUtils;<a name="32" href="#32">32</a> <a name="33" href="#33">33</a> <strong>import</strong> com.sleepycat.bind.serial.StoredClassCatalog;<a name="34" href="#34">34</a> <strong>import</strong> com.sleepycat.je.DatabaseConfig;<a name="35" href="#35">35</a> <strong>import</strong> com.sleepycat.je.Environment;<a name="36" href="#36">36</a> <strong>import</strong> com.sleepycat.je.EnvironmentConfig;<a name="37" href="#37">37</a> <a name="38" href="#38">38</a> <em>/**<em>*</em></em><a name="39" href="#39">39</a> <em> * A JUnit test for {@link AdaptiveRevisitHostQueue AdaptiveRevisitHostQueue}</em><a name="40" href="#40">40</a> <em> * class. </em><a name="41" href="#41">41</a> <em> * <p></em><a name="42" href="#42">42</a> <em> * Since the ARHostQueue maintains significant state information there is only</em><a name="43" href="#43">43</a> <em> * one Unit test described here that tests various different transitions.</em><a name="44" href="#44">44</a> <em> *</em><a name="45" href="#45">45</a> <em> * @author Kristinn Sigurdsson</em><a name="46" href="#46">46</a> <em> */</em><a name="47" href="#47">47</a> <strong>public</strong> <strong>class</strong> <a href="../../../../org/archive/crawler/frontier/AdaptiveRevisitHostQueueTest.html">AdaptiveRevisitHostQueueTest</a><a name="48" href="#48">48</a> <strong>extends</strong> <a href="../../../../org/archive/util/TmpDirTestCase.html">TmpDirTestCase</a><a name="49" href="#49">49</a> implements <a href="../../../../org/archive/crawler/frontier/AdaptiveRevisitAttributeConstants.html">AdaptiveRevisitAttributeConstants</a> {<a name="50" href="#50">50</a> <strong>public</strong> <strong>void</strong> testHQ() throws Exception {<a name="51" href="#51">51</a> EnvironmentConfig envConfig = <strong>new</strong> EnvironmentConfig();<a name="52" href="#52">52</a> envConfig.setTransactional(<strong>true</strong>); <a name="53" href="#53">53</a> envConfig.setAllowCreate(<strong>true</strong>); <a name="54" href="#54">54</a> File envDir = <strong>new</strong> File(getTmpDir(), <span class="string">"AR"</span>);<a name="55" href="#55">55</a> <strong>if</strong> (envDir.exists()) {<a name="56" href="#56">56</a> FileUtils.deleteDir(envDir);<a name="57" href="#57">57</a> }<a name="58" href="#58">58</a> envDir.mkdirs();<a name="59" href="#59">59</a> Environment env = <strong>new</strong> Environment(envDir, envConfig);<a name="60" href="#60">60</a> <em class="comment">// Open the class catalog database. Create it if it does not</em><a name="61" href="#61">61</a> <em class="comment">// already exist. </em><a name="62" href="#62">62</a> DatabaseConfig dbConfig = <strong>new</strong> DatabaseConfig();<a name="63" href="#63">63</a> dbConfig.setAllowCreate(<strong>true</strong>);<a name="64" href="#64">64</a> StoredClassCatalog catalog =<a name="65" href="#65">65</a> <strong>new</strong> StoredClassCatalog(env.openDatabase(<strong>null</strong>, <span class="string">"classes"</span>, dbConfig));<a name="66" href="#66">66</a> <a href="../../../../org/archive/crawler/frontier/AdaptiveRevisitHostQueue.html">AdaptiveRevisitHostQueue</a> hq =<a name="67" href="#67">67</a> <strong>new</strong> <a href="../../../../org/archive/crawler/frontier/AdaptiveRevisitHostQueue.html">AdaptiveRevisitHostQueue</a>(<span class="string">"bok.hi.is"</span>, env, catalog, 1);<a name="68" href="#68">68</a> <a name="69" href="#69">69</a> <a name="70" href="#70">70</a> <em class="comment">// Make the CrawlUris</em><a name="71" href="#71">71</a> <a href="../../../../org/archive/crawler/datamodel/CrawlURI.html">CrawlURI</a>[] curis = {<strong>null</strong>,<strong>null</strong>,<strong>null</strong>,<strong>null</strong>};<a name="72" href="#72">72</a> <a name="73" href="#73">73</a> <a href="../../../../org/archive/net/UURI.html">UURI</a> uuri = UURIFactory.getInstance(<span class="string">"http://bok.hi.is/1.html"</span>);<a name="74" href="#74">74</a> curis[0] = <strong>new</strong> <a href="../../../../org/archive/crawler/datamodel/CrawlURI.html">CrawlURI</a>(uuri);<a name="75" href="#75">75</a> curis[0].setVia(<strong>null</strong>);<a name="76" href="#76">76</a> <a name="77" href="#77">77</a> uuri = UURIFactory.getInstance(<span class="string">"http://bok.hi.is/2.html"</span>);<a name="78" href="#78">78</a> curis[1] = <strong>new</strong> <a href="../../../../org/archive/crawler/datamodel/CrawlURI.html">CrawlURI</a>(uuri);<a name="79" href="#79">79</a> curis[1].setVia(<strong>null</strong>);<a name="80" href="#80">80</a> <a name="81" href="#81">81</a> uuri = UURIFactory.getInstance(<span class="string">"http://bok.hi.is/3.html"</span>);<a name="82" href="#82">82</a> curis[2] = <strong>new</strong> <a href="../../../../org/archive/crawler/datamodel/CrawlURI.html">CrawlURI</a>(uuri);<a name="83" href="#83">83</a> curis[2].setVia(<strong>null</strong>);<a name="84" href="#84">84</a> <a name="85" href="#85">85</a> uuri = UURIFactory.getInstance(<span class="string">"http://bok.hi.is/4.html"</span>);<a name="86" href="#86">86</a> curis[3] = <strong>new</strong> <a href="../../../../org/archive/crawler/datamodel/CrawlURI.html">CrawlURI</a>(uuri);<a name="87" href="#87">87</a> curis[3].setVia(<strong>null</strong>);<a name="88" href="#88">88</a> <a name="89" href="#89">89</a> assertTrue(<span class="string">"HQ should be empty initially"</span>,<a name="90" href="#90">90</a> hq.getState() == AdaptiveRevisitHostQueue.HQSTATE_EMPTY);<a name="91" href="#91">91</a> assertEquals(<span class="string">"Incorrect nextReadyTime on Empty"</span>,<a name="92" href="#92">92</a> Long.MAX_VALUE,hq.getNextReadyTime());<a name="93" href="#93">93</a> assertEquals(<span class="string">"Initial size of HQ should be 0"</span>,0,hq.getSize());<a name="94" href="#94">94</a> <a name="95" href="#95">95</a> assertEquals(<span class="string">"Peek should return null when 'ready queue' is empty"</span>, <a name="96" href="#96">96</a> <strong>null</strong>, hq.peek());<a name="97" href="#97">97</a> <a name="98" href="#98">98</a> <em class="comment">/*</em><a name="99" href="#99">99</a> <em class="comment"> * Add three CrawlURIs and ensures that the correct one is reported by </em><a name="100" href="#100">100</a> <em class="comment"> * peek(); All are added later then current time!</em><a name="101" href="#101">101</a> <em class="comment"> */</em><a name="102" href="#102">102</a> <a name="103" href="#103">103</a> curis[0].putLong(<a name="104" href="#104">104</a> A_TIME_OF_NEXT_PROCESSING,<a name="105" href="#105">105</a> System.currentTimeMillis()); <em class="comment">// now</em><a name="106" href="#106">106</a> curis[1].putLong(<a name="107" href="#107">107</a> A_TIME_OF_NEXT_PROCESSING,<a name="108" href="#108">108</a> System.currentTimeMillis()+5000); <em class="comment">// in 5 sec</em><a name="109" href="#109">109</a> curis[2].putLong(<a name="110" href="#110">110</a> A_TIME_OF_NEXT_PROCESSING,<a name="111" href="#111">111</a> System.currentTimeMillis()+20000); <em class="comment">// in 20 sec.</em><a name="112" href="#112">112</a> <a name="113" href="#113">113</a> hq.add(curis[0],false);<a name="114" href="#114">114</a> assertEquals(<span class="string">"First CrawlURI should be top"</span>,curis[0].toString(),<a name="115" href="#115">115</a> hq.peek().toString());<a name="116" href="#116">116</a> assertTrue(<span class="string">"HQ should no longer be empty"</span>,<a name="117" href="#117">117</a> hq.getState()!=AdaptiveRevisitHostQueue.HQSTATE_EMPTY);⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -