?? crawlorder.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>CrawlOrder xref</title><link type="text/css" rel="stylesheet" href="../../../../stylesheet.css" /></head><body><div id="overview"><a href="../../../../../apidocs/org/archive/crawler/datamodel/CrawlOrder.html">View Javadoc</a></div><pre><a name="1" href="#1">1</a> <em class="comment">/*</em><a name="2" href="#2">2</a> <em class="comment"> * CrawlOrder</em><a name="3" href="#3">3</a> <em class="comment"> *</em><a name="4" href="#4">4</a> <em class="comment"> * $Header$</em><a name="5" href="#5">5</a> <em class="comment"> *</em><a name="6" href="#6">6</a> <em class="comment"> * Created on May 15, 2003</em><a name="7" href="#7">7</a> <em class="comment"> *</em><a name="8" href="#8">8</a> <em class="comment"> * Copyright (C) 2003 Internet Archive.</em><a name="9" href="#9">9</a> <em class="comment"> *</em><a name="10" href="#10">10</a> <em class="comment"> * This file is part of the Heritrix web crawler (crawler.archive.org).</em><a name="11" href="#11">11</a> <em class="comment"> *</em><a name="12" href="#12">12</a> <em class="comment"> * Heritrix is free software; you can redistribute it and/or modify</em><a name="13" href="#13">13</a> <em class="comment"> * it under the terms of the GNU Lesser Public License as published by</em><a name="14" href="#14">14</a> <em class="comment"> * the Free Software Foundation; either version 2.1 of the License, or</em><a name="15" href="#15">15</a> <em class="comment"> * any later version.</em><a name="16" href="#16">16</a> <em class="comment"> *</em><a name="17" href="#17">17</a> <em class="comment"> * Heritrix is distributed in the hope that it will be useful,</em><a name="18" href="#18">18</a> <em class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</em><a name="19" href="#19">19</a> <em class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</em><a name="20" href="#20">20</a> <em class="comment"> * GNU Lesser Public License for more details.</em><a name="21" href="#21">21</a> <em class="comment"> *</em><a name="22" href="#22">22</a> <em class="comment"> * You should have received a copy of the GNU Lesser Public License</em><a name="23" href="#23">23</a> <em class="comment"> * along with Heritrix; if not, write to the Free Software</em><a name="24" href="#24">24</a> <em class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</em><a name="25" href="#25">25</a> <em class="comment"> *</em><a name="26" href="#26">26</a> <em class="comment"> */</em><a name="27" href="#27">27</a> <a name="28" href="#28">28</a> <strong>package</strong> <a href="../../../../org/archive/crawler/datamodel/package-summary.html">org.archive.crawler.datamodel</a>;<a name="29" href="#29">29</a> <a name="30" href="#30">30</a> <strong>import</strong> java.io.File;<a name="31" href="#31">31</a> <strong>import</strong> java.io.Serializable;<a name="32" href="#32">32</a> <strong>import</strong> java.util.logging.Logger;<a name="33" href="#33">33</a> <a name="34" href="#34">34</a> <strong>import</strong> javax.management.AttributeNotFoundException;<a name="35" href="#35">35</a> <a name="36" href="#36">36</a> <strong>import</strong> org.archive.crawler.framework.CrawlController;<a name="37" href="#37">37</a> <strong>import</strong> org.archive.crawler.framework.CrawlScope;<a name="38" href="#38">38</a> <strong>import</strong> org.archive.crawler.framework.Frontier;<a name="39" href="#39">39</a> <strong>import</strong> org.archive.crawler.framework.Processor;<a name="40" href="#40">40</a> <strong>import</strong> org.archive.crawler.framework.exceptions.FatalConfigurationException;<a name="41" href="#41">41</a> <strong>import</strong> org.archive.crawler.settings.MapType;<a name="42" href="#42">42</a> <strong>import</strong> org.archive.crawler.settings.ModuleType;<a name="43" href="#43">43</a> <strong>import</strong> org.archive.crawler.settings.SimpleType;<a name="44" href="#44">44</a> <strong>import</strong> org.archive.crawler.settings.Type;<a name="45" href="#45">45</a> <strong>import</strong> org.archive.crawler.url.canonicalize.BaseRule;<a name="46" href="#46">46</a> <a name="47" href="#47">47</a> <em>/**<em>*</em></em><a name="48" href="#48">48</a> <em> * Represents the 'root' of the settings hierarchy. Contains those settings that</em><a name="49" href="#49">49</a> <em> * do not belong to any specific module, but rather relate to the crawl as a</em><a name="50" href="#50">50</a> <em> * whole (much of this is used by the CrawlController directly or indirectly).</em><a name="51" href="#51">51</a> <em> *</em><a name="52" href="#52">52</a> <em> * @see org.archive.crawler.settings.ModuleType</em><a name="53" href="#53">53</a> <em> */</em><a name="54" href="#54">54</a> <strong>public</strong> <strong>class</strong> <a href="../../../../org/archive/crawler/datamodel/CrawlOrder.html">CrawlOrder</a> <strong>extends</strong> <a href="../../../../org/archive/crawler/settings/ModuleType.html">ModuleType</a> implements Serializable {<a name="55" href="#55">55</a> <a name="56" href="#56">56</a> <strong>private</strong> <strong>static</strong> <strong>final</strong> <strong>long</strong> serialVersionUID = -6715840285961511669L;<a name="57" href="#57">57</a> <a name="58" href="#58">58</a> <strong>private</strong> <strong>static</strong> Logger logger =<a name="59" href="#59">59</a> Logger.getLogger(<span class="string">"org.archive.crawler.datamodel.CrawlOrder"</span>);<a name="60" href="#60">60</a> <a name="61" href="#61">61</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_NAME = <span class="string">"crawl-order"</span>;<a name="62" href="#62">62</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_SETTINGS_DIRECTORY = <span class="string">"settings-directory"</span>;<a name="63" href="#63">63</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_DISK_PATH = <span class="string">"disk-path"</span>;<a name="64" href="#64">64</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_LOGS_PATH = <span class="string">"logs-path"</span>;<a name="65" href="#65">65</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_CHECKPOINTS_PATH = <span class="string">"checkpoints-path"</span>;<a name="66" href="#66">66</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_STATE_PATH = <span class="string">"state-path"</span>;<a name="67" href="#67">67</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_SCRATCH_PATH = <span class="string">"scratch-path"</span>;<a name="68" href="#68">68</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_RECOVER_PATH = <span class="string">"recover-path"</span>;<a name="69" href="#69">69</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_RECOVER_RETAIN_FAILURES =<a name="70" href="#70">70</a> <span class="string">"recover-retain-failures"</span>;<a name="71" href="#71">71</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_MAX_BYTES_DOWNLOAD = <span class="string">"max-bytes-download"</span>;<a name="72" href="#72">72</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_MAX_DOCUMENT_DOWNLOAD =<a name="73" href="#73">73</a> <span class="string">"max-document-download"</span>;<a name="74" href="#74">74</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_MAX_TIME_SEC = <span class="string">"max-time-sec"</span>;<a name="75" href="#75">75</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_MAX_TOE_THREADS = <span class="string">"max-toe-threads"</span>;<a name="76" href="#76">76</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_HTTP_HEADERS = <span class="string">"http-headers"</span>;<a name="77" href="#77">77</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_USER_AGENT = <span class="string">"user-agent"</span>;<a name="78" href="#78">78</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_FROM = <span class="string">"from"</span>;<a name="79" href="#79">79</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_PRE_FETCH_PROCESSORS =<a name="80" href="#80">80</a> <span class="string">"pre-fetch-processors"</span>;<a name="81" href="#81">81</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_FETCH_PROCESSORS = <span class="string">"fetch-processors"</span>;<a name="82" href="#82">82</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_EXTRACT_PROCESSORS = <span class="string">"extract-processors"</span>;<a name="83" href="#83">83</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_WRITE_PROCESSORS = <span class="string">"write-processors"</span>;<a name="84" href="#84">84</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_POST_PROCESSORS = <span class="string">"post-processors"</span>;<a name="85" href="#85">85</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_LOGGERS = <span class="string">"loggers"</span>;<a name="86" href="#86">86</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_RULES = <span class="string">"uri-canonicalization-rules"</span>;<a name="87" href="#87">87</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_RECORDER_OUT_BUFFER =<a name="88" href="#88">88</a> <span class="string">"recorder-out-buffer-bytes"</span>;<a name="89" href="#89">89</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_RECORDER_IN_BUFFER =<a name="90" href="#90">90</a> <span class="string">"recorder-in-buffer-bytes"</span>;<a name="91" href="#91">91</a> <a name="92" href="#92">92</a> <em>/**<em>* Percentage of heap to allocate to bdb cache */</em></em><a name="93" href="#93">93</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_BDB_CACHE_PERCENT =<a name="94" href="#94">94</a> <span class="string">"bdb-cache-percent"</span>;<a name="95" href="#95">95</a> <a name="96" href="#96">96</a> <em>/**<em>*</em></em><a name="97" href="#97">97</a> <em> * When checkpointing, copy the bdb logs.</em><a name="98" href="#98">98</a> <em> * Default is true. If false, then we do not copy logs on checkpoint AND</em><a name="99" href="#99">99</a> <em> * we tell bdbje never to delete log files; instead it renames</em><a name="100" href="#100">100</a> <em> * files-to-delete with a '.del' extension. Assumption is that when this</em><a name="101" href="#101">101</a> <em> * setting is false, an external process is managing the removing of</em><a name="102" href="#102">102</a> <em> * bdbje log files and that come time to recover from a checkpoint, the</em><a name="103" href="#103">103</a> <em> * files that comprise a checkpoint are manually assembled.</em><a name="104" href="#104">104</a> <em> */</em><a name="105" href="#105">105</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String ATTR_CHECKPOINT_COPY_BDBJE_LOGS =<a name="106" href="#106">106</a> <span class="string">"checkpoint-copy-bdbje-logs"</span>;<a name="107" href="#107">107</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> Boolean DEFAULT_CHECKPOINT_COPY_BDBJE_LOGS =<a name="108" href="#108">108</a> Boolean.TRUE;<a name="109" href="#109">109</a> <a name="110" href="#110">110</a> <em>/**<em>*</em></em><a name="111" href="#111">111</a> <em> * Default size of bdb cache.</em><a name="112" href="#112">112</a> <em> */</em><a name="113" href="#113">113</a> <strong>private</strong> <strong>final</strong> <strong>static</strong> Integer DEFAULT_BDB_CACHE_PERCENT = <strong>new</strong> Integer(0);<a name="114" href="#114">114</a> <a name="115" href="#115">115</a> <strong>private</strong> <strong>transient</strong> <a href="../../../../org/archive/crawler/settings/MapType.html">MapType</a> httpHeaders;<a name="116" href="#116">116</a> <strong>private</strong> <strong>transient</strong> <a href="../../../../org/archive/crawler/settings/MapType.html">MapType</a> loggers;<a name="117" href="#117">117</a> <a name="118" href="#118">118</a> <strong>private</strong> <strong>transient</strong> <a href="../../../../org/archive/crawler/framework/CrawlController.html">CrawlController</a> controller;?? 快捷鍵說明
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