+<!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>ModificationTracker xref</title>
+<link type="text/css" rel="stylesheet" href="../../../../stylesheet.css" />
+</head>
+<body>
+<div id="overview"><a href="../../../../../apidocs/de/juplo/plugins/hibernate/ModificationTracker.html">View Javadoc</a></div><pre>
+<a class="jxr_linenumber" name="L1" href="#L1">1</a> <strong class="jxr_keyword">package</strong> de.juplo.plugins.hibernate;
+<a class="jxr_linenumber" name="L2" href="#L2">2</a>
+<a class="jxr_linenumber" name="L3" href="#L3">3</a>
+<a class="jxr_linenumber" name="L4" href="#L4">4</a> <strong class="jxr_keyword">import</strong> java.io.File;
+<a class="jxr_linenumber" name="L5" href="#L5">5</a> <strong class="jxr_keyword">import</strong> java.io.FileInputStream;
+<a class="jxr_linenumber" name="L6" href="#L6">6</a> <strong class="jxr_keyword">import</strong> java.io.FileOutputStream;
+<a class="jxr_linenumber" name="L7" href="#L7">7</a> <strong class="jxr_keyword">import</strong> java.io.IOException;
+<a class="jxr_linenumber" name="L8" href="#L8">8</a> <strong class="jxr_keyword">import</strong> java.io.InputStream;
+<a class="jxr_linenumber" name="L9" href="#L9">9</a> <strong class="jxr_keyword">import</strong> java.io.ObjectInputStream;
+<a class="jxr_linenumber" name="L10" href="#L10">10</a> <strong class="jxr_keyword">import</strong> java.io.ObjectOutputStream;
+<a class="jxr_linenumber" name="L11" href="#L11">11</a> <strong class="jxr_keyword">import</strong> java.math.BigInteger;
+<a class="jxr_linenumber" name="L12" href="#L12">12</a> <strong class="jxr_keyword">import</strong> java.security.MessageDigest;
+<a class="jxr_linenumber" name="L13" href="#L13">13</a> <strong class="jxr_keyword">import</strong> java.security.NoSuchAlgorithmException;
+<a class="jxr_linenumber" name="L14" href="#L14">14</a> <strong class="jxr_keyword">import</strong> java.util.HashMap;
+<a class="jxr_linenumber" name="L15" href="#L15">15</a> <strong class="jxr_keyword">import</strong> java.util.HashSet;
+<a class="jxr_linenumber" name="L16" href="#L16">16</a> <strong class="jxr_keyword">import</strong> java.util.Map;
+<a class="jxr_linenumber" name="L17" href="#L17">17</a> <strong class="jxr_keyword">import</strong> java.util.Properties;
+<a class="jxr_linenumber" name="L18" href="#L18">18</a> <strong class="jxr_keyword">import</strong> java.util.Set;
+<a class="jxr_linenumber" name="L19" href="#L19">19</a> <strong class="jxr_keyword">import</strong> org.apache.maven.plugin.logging.Log;
+<a class="jxr_linenumber" name="L20" href="#L20">20</a>
+<a class="jxr_linenumber" name="L21" href="#L21">21</a>
+<a class="jxr_linenumber" name="L22" href="#L22">22</a>
+<a class="jxr_linenumber" name="L23" href="#L23">23</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L24" href="#L24">24</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="L25" href="#L25">25</a> <em class="jxr_javadoccomment"> * @author Kai Moritz</em>
+<a class="jxr_linenumber" name="L26" href="#L26">26</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L27" href="#L27">27</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../de/juplo/plugins/hibernate/ModificationTracker.html">ModificationTracker</a>
+<a class="jxr_linenumber" name="L28" href="#L28">28</a> {
+<a class="jxr_linenumber" name="L29" href="#L29">29</a> <strong class="jxr_keyword">private</strong> Map<String,String> properties;
+<a class="jxr_linenumber" name="L30" href="#L30">30</a> <strong class="jxr_keyword">private</strong> Map<String,String> classes;
+<a class="jxr_linenumber" name="L31" href="#L31">31</a>
+<a class="jxr_linenumber" name="L32" href="#L32">32</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Set<String> propertyNames;
+<a class="jxr_linenumber" name="L33" href="#L33">33</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Set<String> classNames;
+<a class="jxr_linenumber" name="L34" href="#L34">34</a>
+<a class="jxr_linenumber" name="L35" href="#L35">35</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> modified = false;
+<a class="jxr_linenumber" name="L36" href="#L36">36</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> failed = false;
+<a class="jxr_linenumber" name="L37" href="#L37">37</a>
+<a class="jxr_linenumber" name="L38" href="#L38">38</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> File saved;
+<a class="jxr_linenumber" name="L39" href="#L39">39</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> MessageDigest digest;
+<a class="jxr_linenumber" name="L40" href="#L40">40</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Log log;
+<a class="jxr_linenumber" name="L41" href="#L41">41</a>
+<a class="jxr_linenumber" name="L42" href="#L42">42</a>
+<a class="jxr_linenumber" name="L43" href="#L43">43</a> <a href="../../../../de/juplo/plugins/hibernate/ModificationTracker.html">ModificationTracker</a>(String buildDirectory, String filename, Log log)
+<a class="jxr_linenumber" name="L44" href="#L44">44</a> <strong class="jxr_keyword">throws</strong>
+<a class="jxr_linenumber" name="L45" href="#L45">45</a> NoSuchAlgorithmException
+<a class="jxr_linenumber" name="L46" href="#L46">46</a> {
+<a class="jxr_linenumber" name="L47" href="#L47">47</a> propertyNames = <strong class="jxr_keyword">new</strong> HashSet<String>();
+<a class="jxr_linenumber" name="L48" href="#L48">48</a> classNames = <strong class="jxr_keyword">new</strong> HashSet<String>();
+<a class="jxr_linenumber" name="L49" href="#L49">49</a> File output = <strong class="jxr_keyword">new</strong> File(filename + <span class="jxr_string">".md5s"</span>);
+<a class="jxr_linenumber" name="L50" href="#L50">50</a> <strong class="jxr_keyword">if</strong> (output.isAbsolute())
+<a class="jxr_linenumber" name="L51" href="#L51">51</a> {
+<a class="jxr_linenumber" name="L52" href="#L52">52</a> saved = output;
+<a class="jxr_linenumber" name="L53" href="#L53">53</a> }
+<a class="jxr_linenumber" name="L54" href="#L54">54</a> <strong class="jxr_keyword">else</strong>
+<a class="jxr_linenumber" name="L55" href="#L55">55</a> {
+<a class="jxr_linenumber" name="L56" href="#L56">56</a> <em class="jxr_comment">// Interpret relative file path relative to build directory</em>
+<a class="jxr_linenumber" name="L57" href="#L57">57</a> saved = <strong class="jxr_keyword">new</strong> File(buildDirectory, output.getPath());
+<a class="jxr_linenumber" name="L58" href="#L58">58</a> log.debug(<span class="jxr_string">"Adjusted relative path, resulting path is "</span> + saved.getPath());
+<a class="jxr_linenumber" name="L59" href="#L59">59</a> }
+<a class="jxr_linenumber" name="L60" href="#L60">60</a> digest = java.security.MessageDigest.getInstance(<span class="jxr_string">"MD5"</span>);
+<a class="jxr_linenumber" name="L61" href="#L61">61</a> <strong class="jxr_keyword">this</strong>.log = log;
+<a class="jxr_linenumber" name="L62" href="#L62">62</a> }
+<a class="jxr_linenumber" name="L63" href="#L63">63</a>
+<a class="jxr_linenumber" name="L64" href="#L64">64</a>
+<a class="jxr_linenumber" name="L65" href="#L65">65</a> <strong class="jxr_keyword">private</strong> String calculate(InputStream is)
+<a class="jxr_linenumber" name="L66" href="#L66">66</a> <strong class="jxr_keyword">throws</strong>
+<a class="jxr_linenumber" name="L67" href="#L67">67</a> IOException
+<a class="jxr_linenumber" name="L68" href="#L68">68</a> {
+<a class="jxr_linenumber" name="L69" href="#L69">69</a> byte[] buffer = <strong class="jxr_keyword">new</strong> byte[1024*4]; <em class="jxr_comment">// copy data in 4MB-chunks</em>
+<a class="jxr_linenumber" name="L70" href="#L70">70</a> <strong class="jxr_keyword">int</strong> i;
+<a class="jxr_linenumber" name="L71" href="#L71">71</a> <strong class="jxr_keyword">while</strong>((i = is.read(buffer)) > -1)
+<a class="jxr_linenumber" name="L72" href="#L72">72</a> digest.update(buffer, 0, i);
+<a class="jxr_linenumber" name="L73" href="#L73">73</a> is.close();
+<a class="jxr_linenumber" name="L74" href="#L74">74</a> byte[] bytes = digest.digest();
+<a class="jxr_linenumber" name="L75" href="#L75">75</a> BigInteger bi = <strong class="jxr_keyword">new</strong> BigInteger(1, bytes);
+<a class="jxr_linenumber" name="L76" href="#L76">76</a> <strong class="jxr_keyword">return</strong> String.format(<span class="jxr_string">"%0"</span> + (bytes.length << 1) + <span class="jxr_string">"x"</span>, bi);
+<a class="jxr_linenumber" name="L77" href="#L77">77</a> }
+<a class="jxr_linenumber" name="L78" href="#L78">78</a>
+<a class="jxr_linenumber" name="L79" href="#L79">79</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> check(Map<String,String> values, String name, String value)
+<a class="jxr_linenumber" name="L80" href="#L80">80</a> {
+<a class="jxr_linenumber" name="L81" href="#L81">81</a> <strong class="jxr_keyword">if</strong> (!values.containsKey(name) || !values.get(name).equals(value))
+<a class="jxr_linenumber" name="L82" href="#L82">82</a> {
+<a class="jxr_linenumber" name="L83" href="#L83">83</a> values.put(name, value);
+<a class="jxr_linenumber" name="L84" href="#L84">84</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="L85" href="#L85">85</a> }
+<a class="jxr_linenumber" name="L86" href="#L86">86</a> <strong class="jxr_keyword">else</strong>
+<a class="jxr_linenumber" name="L87" href="#L87">87</a> <strong class="jxr_keyword">return</strong> false;
+<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>
+<a class="jxr_linenumber" name="L91" href="#L91">91</a> <strong class="jxr_keyword">boolean</strong> track(String name, InputStream is) <strong class="jxr_keyword">throws</strong> IOException
+<a class="jxr_linenumber" name="L92" href="#L92">92</a> {
+<a class="jxr_linenumber" name="L93" href="#L93">93</a> <strong class="jxr_keyword">boolean</strong> result = check(classes, name, calculate(is));
+<a class="jxr_linenumber" name="L94" href="#L94">94</a> classNames.add(name);
+<a class="jxr_linenumber" name="L95" href="#L95">95</a> modified |= result;
+<a class="jxr_linenumber" name="L96" href="#L96">96</a> <strong class="jxr_keyword">return</strong> result;
+<a class="jxr_linenumber" name="L97" href="#L97">97</a> }
+<a class="jxr_linenumber" name="L98" href="#L98">98</a>
+<a class="jxr_linenumber" name="L99" href="#L99">99</a>
+<a class="jxr_linenumber" name="L100" href="#L100">100</a> <strong class="jxr_keyword">boolean</strong> check(String name, String property)
+<a class="jxr_linenumber" name="L101" href="#L101">101</a> {
+<a class="jxr_linenumber" name="L102" href="#L102">102</a> propertyNames.add(name);
+<a class="jxr_linenumber" name="L103" href="#L103">103</a> <strong class="jxr_keyword">return</strong> check(properties, name, property);
+<a class="jxr_linenumber" name="L104" href="#L104">104</a> }
+<a class="jxr_linenumber" name="L105" href="#L105">105</a>
+<a class="jxr_linenumber" name="L106" href="#L106">106</a> <strong class="jxr_keyword">boolean</strong> track(String name, String property)
+<a class="jxr_linenumber" name="L107" href="#L107">107</a> {
+<a class="jxr_linenumber" name="L108" href="#L108">108</a> <strong class="jxr_keyword">boolean</strong> result = check(name, property);
+<a class="jxr_linenumber" name="L109" href="#L109">109</a> modified |= result;
+<a class="jxr_linenumber" name="L110" href="#L110">110</a> <strong class="jxr_keyword">return</strong> result;
+<a class="jxr_linenumber" name="L111" href="#L111">111</a> }
+<a class="jxr_linenumber" name="L112" href="#L112">112</a>
+<a class="jxr_linenumber" name="L113" href="#L113">113</a> <strong class="jxr_keyword">boolean</strong> track(Properties properties)
+<a class="jxr_linenumber" name="L114" href="#L114">114</a> {
+<a class="jxr_linenumber" name="L115" href="#L115">115</a> <strong class="jxr_keyword">boolean</strong> result = false;
+<a class="jxr_linenumber" name="L116" href="#L116">116</a> <strong class="jxr_keyword">for</strong> (String name : properties.stringPropertyNames())
+<a class="jxr_linenumber" name="L117" href="#L117">117</a> result |= track(name, properties.getProperty(name));
+<a class="jxr_linenumber" name="L118" href="#L118">118</a> <strong class="jxr_keyword">return</strong> 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>
+<a class="jxr_linenumber" name="L122" href="#L122">122</a> <strong class="jxr_keyword">void</strong> touch()
+<a class="jxr_linenumber" name="L123" href="#L123">123</a> {
+<a class="jxr_linenumber" name="L124" href="#L124">124</a> modified = <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="L125" href="#L125">125</a> }
+<a class="jxr_linenumber" name="L126" href="#L126">126</a>
+<a class="jxr_linenumber" name="L127" href="#L127">127</a> <strong class="jxr_keyword">boolean</strong> modified()
+<a class="jxr_linenumber" name="L128" href="#L128">128</a> {
+<a class="jxr_linenumber" name="L129" href="#L129">129</a> <strong class="jxr_keyword">for</strong> (String property : <strong class="jxr_keyword">new</strong> HashSet<String>(properties.keySet()))
+<a class="jxr_linenumber" name="L130" href="#L130">130</a> <strong class="jxr_keyword">if</strong> (!propertyNames.contains(property))
+<a class="jxr_linenumber" name="L131" href="#L131">131</a> {
+<a class="jxr_linenumber" name="L132" href="#L132">132</a> modified = <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="L133" href="#L133">133</a> properties.remove(property);
+<a class="jxr_linenumber" name="L134" href="#L134">134</a> }
+<a class="jxr_linenumber" name="L135" href="#L135">135</a> <strong class="jxr_keyword">for</strong> (String clazz : <strong class="jxr_keyword">new</strong> HashSet<String>(classes.keySet()))
+<a class="jxr_linenumber" name="L136" href="#L136">136</a> <strong class="jxr_keyword">if</strong> (!classNames.contains(clazz))
+<a class="jxr_linenumber" name="L137" href="#L137">137</a> {
+<a class="jxr_linenumber" name="L138" href="#L138">138</a> modified = <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="L139" href="#L139">139</a> classes.remove(clazz);
+<a class="jxr_linenumber" name="L140" href="#L140">140</a> }
+<a class="jxr_linenumber" name="L141" href="#L141">141</a> <strong class="jxr_keyword">return</strong> modified;
+<a class="jxr_linenumber" name="L142" href="#L142">142</a> }
+<a class="jxr_linenumber" name="L143" href="#L143">143</a>
+<a class="jxr_linenumber" name="L144" href="#L144">144</a>
+<a class="jxr_linenumber" name="L145" href="#L145">145</a> <strong class="jxr_keyword">void</strong> failed()
+<a class="jxr_linenumber" name="L146" href="#L146">146</a> {
+<a class="jxr_linenumber" name="L147" href="#L147">147</a> failed = <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="L148" href="#L148">148</a> }
+<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> <strong class="jxr_keyword">void</strong> load()
+<a class="jxr_linenumber" name="L152" href="#L152">152</a> {
+<a class="jxr_linenumber" name="L153" href="#L153">153</a> <strong class="jxr_keyword">if</strong> (saved.isFile() && saved.length() > 0)
+<a class="jxr_linenumber" name="L154" href="#L154">154</a> {
+<a class="jxr_linenumber" name="L155" href="#L155">155</a> <strong class="jxr_keyword">try</strong>
+<a class="jxr_linenumber" name="L156" href="#L156">156</a> {
+<a class="jxr_linenumber" name="L157" href="#L157">157</a> FileInputStream fis = <strong class="jxr_keyword">new</strong> FileInputStream(saved);
+<a class="jxr_linenumber" name="L158" href="#L158">158</a> ObjectInputStream ois = <strong class="jxr_keyword">new</strong> ObjectInputStream(fis);
+<a class="jxr_linenumber" name="L159" href="#L159">159</a> properties = (HashMap<String,String>)ois.readObject();
+<a class="jxr_linenumber" name="L160" href="#L160">160</a> classes = (HashMap<String,String>)ois.readObject();
+<a class="jxr_linenumber" name="L161" href="#L161">161</a> ois.close();
+<a class="jxr_linenumber" name="L162" href="#L162">162</a> }
+<a class="jxr_linenumber" name="L163" href="#L163">163</a> <strong class="jxr_keyword">catch</strong> (Exception e)
+<a class="jxr_linenumber" name="L164" href="#L164">164</a> {
+<a class="jxr_linenumber" name="L165" href="#L165">165</a> properties = <strong class="jxr_keyword">new</strong> HashMap<String,String>();
+<a class="jxr_linenumber" name="L166" href="#L166">166</a> classes = <strong class="jxr_keyword">new</strong> HashMap<String,String>();
+<a class="jxr_linenumber" name="L167" href="#L167">167</a> log.warn(<span class="jxr_string">"Cannot read md5s from saved: "</span> + e);
+<a class="jxr_linenumber" name="L168" href="#L168">168</a> }
+<a class="jxr_linenumber" name="L169" href="#L169">169</a> }
+<a class="jxr_linenumber" name="L170" href="#L170">170</a> <strong class="jxr_keyword">else</strong>
+<a class="jxr_linenumber" name="L171" href="#L171">171</a> {
+<a class="jxr_linenumber" name="L172" href="#L172">172</a> properties = <strong class="jxr_keyword">new</strong> HashMap<String,String>();
+<a class="jxr_linenumber" name="L173" href="#L173">173</a> classes = <strong class="jxr_keyword">new</strong> HashMap<String,String>();
+<a class="jxr_linenumber" name="L174" href="#L174">174</a> <strong class="jxr_keyword">try</strong>
+<a class="jxr_linenumber" name="L175" href="#L175">175</a> {
+<a class="jxr_linenumber" name="L176" href="#L176">176</a> saved.createNewFile();
+<a class="jxr_linenumber" name="L177" href="#L177">177</a> }
+<a class="jxr_linenumber" name="L178" href="#L178">178</a> <strong class="jxr_keyword">catch</strong> (IOException e)
+<a class="jxr_linenumber" name="L179" href="#L179">179</a> {
+<a class="jxr_linenumber" name="L180" href="#L180">180</a> log.debug(<span class="jxr_string">"Cannot create file \""</span> + saved.getPath() + <span class="jxr_string">"\" for md5s: "</span> + e);
+<a class="jxr_linenumber" name="L181" href="#L181">181</a> }
+<a class="jxr_linenumber" name="L182" href="#L182">182</a> }
+<a class="jxr_linenumber" name="L183" href="#L183">183</a> }
+<a class="jxr_linenumber" name="L184" href="#L184">184</a>
+<a class="jxr_linenumber" name="L185" href="#L185">185</a> <strong class="jxr_keyword">void</strong> save()
+<a class="jxr_linenumber" name="L186" href="#L186">186</a> {
+<a class="jxr_linenumber" name="L187" href="#L187">187</a> <strong class="jxr_keyword">if</strong> (failed)
+<a class="jxr_linenumber" name="L188" href="#L188">188</a> {
+<a class="jxr_linenumber" name="L189" href="#L189">189</a> saved.delete();
+<a class="jxr_linenumber" name="L190" href="#L190">190</a> <strong class="jxr_keyword">return</strong>;
+<a class="jxr_linenumber" name="L191" href="#L191">191</a> }
+<a class="jxr_linenumber" name="L192" href="#L192">192</a>
+<a class="jxr_linenumber" name="L193" href="#L193">193</a> <strong class="jxr_keyword">if</strong> (!modified)
+<a class="jxr_linenumber" name="L194" href="#L194">194</a> <strong class="jxr_keyword">return</strong>;
+<a class="jxr_linenumber" name="L195" href="#L195">195</a>
+<a class="jxr_linenumber" name="L196" href="#L196">196</a> <em class="jxr_javadoccomment">/** Write md5-sums for annotated classes to file */</em>
+<a class="jxr_linenumber" name="L197" href="#L197">197</a> <strong class="jxr_keyword">try</strong>
+<a class="jxr_linenumber" name="L198" href="#L198">198</a> {
+<a class="jxr_linenumber" name="L199" href="#L199">199</a> FileOutputStream fos = <strong class="jxr_keyword">new</strong> FileOutputStream(saved);
+<a class="jxr_linenumber" name="L200" href="#L200">200</a> ObjectOutputStream oos = <strong class="jxr_keyword">new</strong> ObjectOutputStream(fos);
+<a class="jxr_linenumber" name="L201" href="#L201">201</a> oos.writeObject(properties);
+<a class="jxr_linenumber" name="L202" href="#L202">202</a> oos.writeObject(classes);
+<a class="jxr_linenumber" name="L203" href="#L203">203</a> oos.close();
+<a class="jxr_linenumber" name="L204" href="#L204">204</a> fos.close();
+<a class="jxr_linenumber" name="L205" href="#L205">205</a> }
+<a class="jxr_linenumber" name="L206" href="#L206">206</a> <strong class="jxr_keyword">catch</strong> (Exception e)
+<a class="jxr_linenumber" name="L207" href="#L207">207</a> {
+<a class="jxr_linenumber" name="L208" href="#L208">208</a> log.error(<span class="jxr_string">"Cannot write md5-sums to file: "</span> + e);
+<a class="jxr_linenumber" name="L209" href="#L209">209</a> }
+<a class="jxr_linenumber" name="L210" href="#L210">210</a> }
+<a class="jxr_linenumber" name="L211" href="#L211">211</a> }
+</pre>
+<hr/>
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