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| <div class="title">BooleanScorer.cs</div> </div> |
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| <a href="_boolean_scorer_8cs.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* </span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * contributor license agreements. See the NOTICE file distributed with</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * this work for additional information regarding copyright ownership.</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * (the "License"); you may not use this file except in compliance with</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * the License. You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * </span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * </span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * limitations under the License.</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> */</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">using</span> System;</div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div> |
| <div class="line"><a name="l00020"></a><span class="lineno"><a class="code" href="_boolean_scorer_8cs.html#a2a6914ea10bbe06764856e29e5674e66"> 20</a></span> <span class="keyword">using</span> <a class="code" href="_more_like_this_8cs.html#a2a6914ea10bbe06764856e29e5674e66">IndexReader</a> = Lucene.Net.Index.IndexReader;</div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">namespace </span>Lucene.Net.Search</div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> {</div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  </div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="comment">/* Description from Doug Cutting (excerpted from</span></div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * LUCENE-1483):</span></div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * BooleanScorer uses a ~16k array to score windows of</span></div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * docs. So it scores docs 0-16k first, then docs 16-32k,</span></div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * etc. For each window it iterates through all query terms</span></div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * and accumulates a score in table[doc%16k]. It also stores</span></div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * in the table a bitmask representing which terms</span></div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> * contributed to the score. Non-zero scores are chained in</span></div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> * a linked list. At the end of scoring each window it then</span></div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * iterates through the linked list and, if the bitmask</span></div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> * matches the boolean constraints, collects a hit. For</span></div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> * boolean queries with lots of frequent terms this can be</span></div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> * much faster, since it does not need to update a priority</span></div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> * queue for each posting, instead performing constant-time</span></div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * operations per posting. The only downside is that it</span></div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> * results in hits being delivered out-of-order within the</span></div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> * window, which means it cannot be nested within other</span></div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> * scorers. But it works well as a top-level scorer.</span></div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> * The new BooleanScorer2 implementation instead works by</span></div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> * merging priority queues of postings, albeit with some</span></div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> * clever tricks. For example, a pure conjunction (all terms</span></div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> * required) does not require a priority queue. Instead it</span></div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> * sorts the posting streams at the start, then repeatedly</span></div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> * skips the first to to the last. If the first ever equals</span></div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> * the last, then there's a hit. When some terms are</span></div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * required and some terms are optional, the conjunction can</span></div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> * be evaluated first, then the optional terms can all skip</span></div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> * to the match and be added to the score. Thus the</span></div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> * conjunction can reduce the number of priority queue</span></div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> * updates for the optional terms. */</span></div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div> |
| <div class="line"><a name="l00058"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_scorer.html"> 58</a></span>  <span class="keyword">public</span> sealed <span class="keyword">class </span><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_scorer.html">BooleanScorer</a>:<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html" title="Expert: Common scoring functionality for different types of queries.">Scorer</a></div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  {</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">private</span> <span class="keywordtype">void</span> InitBlock()</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  {</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  bucketTable = <span class="keyword">new</span> BucketTable();</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  }</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">private</span> sealed <span class="keyword">class </span>BooleanScorerCollector:<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_collector.html" title="Expert: Collectors are primarily meant to be used to gather raw results from a search, and implement sorting or custom result filtering, collation, etc. ">Collector</a></div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  {</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">private</span> BucketTable bucketTable;</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">private</span> <span class="keywordtype">int</span> mask;</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">private</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html" title="Expert: Common scoring functionality for different types of queries.">Scorer</a> scorer;</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  </div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">public</span> BooleanScorerCollector(<span class="keywordtype">int</span> mask, BucketTable bucketTable)</div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  {</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  this.mask = mask;</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  this.bucketTable = bucketTable;</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  }</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">void</span> Collect(<span class="keywordtype">int</span> doc)</div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  {</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  BucketTable table = bucketTable;</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordtype">int</span> i = doc & Lucene.Net.Search.BooleanScorer.BucketTable.MASK;</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  Bucket bucket = table.buckets[i];</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">if</span> (bucket == null)</div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  table.buckets[i] = bucket = <span class="keyword">new</span> Bucket();</div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  </div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">if</span> (bucket.doc != doc)</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  {</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="comment">// invalid bucket</span></div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  bucket.doc = doc; <span class="comment">// set doc</span></div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  bucket.score = scorer.Score(); <span class="comment">// initialize score</span></div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  bucket.bits = mask; <span class="comment">// initialize mask</span></div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  bucket.coord = 1; <span class="comment">// initialize coord</span></div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  </div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  bucket.next = table.first; <span class="comment">// push onto valid list</span></div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  table.first = bucket;</div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  {</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">// valid bucket</span></div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  bucket.score += scorer.Score(); <span class="comment">// increment score</span></div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  bucket.bits |= mask; <span class="comment">// add bits in mask</span></div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  bucket.coord++; <span class="comment">// increment coord</span></div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  }</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  </div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">void</span> SetNextReader(<a class="code" href="_more_like_this_8cs.html#a2a6914ea10bbe06764856e29e5674e66">IndexReader</a> reader, <span class="keywordtype">int</span> docBase)</div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  {</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">// not needed by this implementation</span></div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  }</div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  </div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">void</span> SetScorer(<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html" title="Expert: Common scoring functionality for different types of queries.">Scorer</a> scorer)</div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  {</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  this.scorer = scorer;</div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">bool</span> AcceptsDocsOutOfOrder</div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  {</div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">get</span> { <span class="keywordflow">return</span> <span class="keyword">true</span>; }</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  }</div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  }</div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  </div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="comment">// An internal class which is used in score(Collector, int) for setting the</span></div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="comment">// current score. This is required since Collector exposes a setScorer method</span></div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="comment">// and implementations that need the score will call scorer.score().</span></div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">// Therefore the only methods that are implemented are score() and doc().</span></div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keyword">private</span> sealed <span class="keyword">class </span>BucketScorer:<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html" title="Expert: Common scoring functionality for different types of queries.">Scorer</a></div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  {</div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  </div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">internal</span> <span class="keywordtype">float</span> score;</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">internal</span> <span class="keywordtype">int</span> doc = NO_MORE_DOCS;</div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  </div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">public</span> BucketScorer():base(null)</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  {</div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  </div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">int</span> Advance(<span class="keywordtype">int</span> target)</div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  {</div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">return</span> NO_MORE_DOCS;</div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  }</div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  </div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">int</span> DocID()</div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  {</div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">return</span> doc;</div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  </div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">int</span> NextDoc()</div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  {</div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">return</span> NO_MORE_DOCS;</div> |
| <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  </div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">float</span> Score()</div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  {</div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">return</span> score;</div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  }</div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  }</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  </div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keyword">internal</span> sealed <span class="keyword">class </span>Bucket</div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  {</div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keyword">internal</span> <span class="keywordtype">int</span> doc = - 1; <span class="comment">// tells if bucket is valid</span></div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keyword">internal</span> <span class="keywordtype">float</span> score; <span class="comment">// incremental score</span></div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keyword">internal</span> <span class="keywordtype">int</span> bits; <span class="comment">// used for bool constraints</span></div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keyword">internal</span> <span class="keywordtype">int</span> coord; <span class="comment">// count of terms in score</span></div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keyword">internal</span> Bucket next; <span class="comment">// next valid bucket</span></div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  }</div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  </div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keyword">internal</span> sealed <span class="keyword">class </span>BucketTable</div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  {</div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">private</span> <span class="keywordtype">void</span> InitBlock()</div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  {</div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  buckets = <span class="keyword">new</span> Bucket[SIZE];</div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  }</div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keyword">public</span> <span class="keyword">const</span> <span class="keywordtype">int</span> SIZE = 1 << 11;</div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keyword">public</span> <span class="keyword">static</span> readonly <span class="keywordtype">int</span> MASK;</div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  </div> |
| <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keyword">internal</span> Bucket[] buckets;</div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keyword">internal</span> Bucket first = null; <span class="comment">// head of valid list</span></div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  </div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keyword">public</span> BucketTable()</div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  {</div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  InitBlock();</div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  }</div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  </div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keyword">public</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_collector.html" title="Expert: Collectors are primarily meant to be used to gather raw results from a search, and implement sorting or custom result filtering, collation, etc. ">Collector</a> NewCollector(<span class="keywordtype">int</span> mask)</div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  {</div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> BooleanScorerCollector(mask, <span class="keyword">this</span>);</div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  }</div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  </div> |
| <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keyword">public</span> <span class="keywordtype">int</span> Size()</div> |
| <div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  {</div> |
| <div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">return</span> SIZE;</div> |
| <div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  }</div> |
| <div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keyword">static</span> BucketTable()</div> |
| <div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  {</div> |
| <div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  MASK = SIZE - 1;</div> |
| <div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  }</div> |
| <div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  }</div> |
| <div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  </div> |
| <div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keyword">internal</span> sealed <span class="keyword">class </span>SubScorer</div> |
| <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  {</div> |
| <div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keyword">public</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html" title="Expert: Common scoring functionality for different types of queries.">Scorer</a> scorer;</div> |
| <div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keyword">public</span> <span class="keywordtype">bool</span> required = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keyword">public</span> <span class="keywordtype">bool</span> prohibited = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keyword">public</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_collector.html" title="Expert: Collectors are primarily meant to be used to gather raw results from a search, and implement sorting or custom result filtering, collation, etc. ">Collector</a> collector;</div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keyword">public</span> SubScorer next;</div> |
| <div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  </div> |
| <div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keyword">public</span> SubScorer(<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html" title="Expert: Common scoring functionality for different types of queries.">Scorer</a> scorer, <span class="keywordtype">bool</span> required, <span class="keywordtype">bool</span> prohibited, <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_collector.html" title="Expert: Collectors are primarily meant to be used to gather raw results from a search, and implement sorting or custom result filtering, collation, etc. ">Collector</a> collector, SubScorer next)</div> |
| <div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  {</div> |
| <div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  this.scorer = scorer;</div> |
| <div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  this.required = required;</div> |
| <div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  this.prohibited = prohibited;</div> |
| <div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  this.collector = collector;</div> |
| <div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  this.next = next;</div> |
| <div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  }</div> |
| <div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  }</div> |
| <div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  </div> |
| <div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keyword">private</span> SubScorer scorers = null;</div> |
| <div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keyword">private</span> BucketTable bucketTable;</div> |
| <div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keyword">private</span> <span class="keywordtype">int</span> maxCoord = 1;</div> |
| <div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keyword">private</span> <span class="keywordtype">float</span>[] coordFactors;</div> |
| <div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keyword">private</span> <span class="keywordtype">int</span> requiredMask = 0;</div> |
| <div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keyword">private</span> <span class="keywordtype">int</span> prohibitedMask = 0;</div> |
| <div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">private</span> <span class="keywordtype">int</span> nextMask = 1;</div> |
| <div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keyword">private</span> <span class="keywordtype">int</span> minNrShouldMatch;</div> |
| <div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keyword">private</span> <span class="keywordtype">int</span> end;</div> |
| <div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keyword">private</span> Bucket current;</div> |
| <div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keyword">private</span> <span class="keywordtype">int</span> doc = - 1;</div> |
| <div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  </div> |
| <div class="line"><a name="l00227"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_scorer.html#af4921ded6d32b885a71d517e673b18e1"> 227</a></span>  <span class="keyword">public</span> <span class="comment">/*internal*/</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_scorer.html">BooleanScorer</a>(<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_similarity.html" title="Expert: Scoring API. Subclasses implement search scoring.">Similarity</a> similarity, <span class="keywordtype">int</span> minNrShouldMatch,</div> |
| <div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  System.Collections.Generic.List<<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html" title="Expert: Common scoring functionality for different types of queries.">Scorer</a>> optionalScorers, System.Collections.Generic.List<<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html" title="Expert: Common scoring functionality for different types of queries.">Scorer</a>> prohibitedScorers)</div> |
| <div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  : base(similarity)</div> |
| <div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  {</div> |
| <div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  InitBlock();</div> |
| <div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  this.minNrShouldMatch = minNrShouldMatch;</div> |
| <div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  </div> |
| <div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">if</span> (optionalScorers != null && optionalScorers.Count > 0)</div> |
| <div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  {</div> |
| <div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">foreach</span> (<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html" title="Expert: Common scoring functionality for different types of queries.">Scorer</a> scorer <span class="keywordflow">in</span> optionalScorers)</div> |
| <div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  {</div> |
| <div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  maxCoord++;</div> |
| <div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">if</span> (scorer.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator.html#a70f16616e044ffd57b07dbc426c34e0d" title="Advances to the next document in the set and returns the doc it is currently on, or NO_MORE_DOCS if t...">NextDoc</a>() != NO_MORE_DOCS)</div> |
| <div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  {</div> |
| <div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  scorers = <span class="keyword">new</span> SubScorer(scorer, <span class="keyword">false</span>, <span class="keyword">false</span>, bucketTable.NewCollector(0), scorers);</div> |
| <div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  }</div> |
| <div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  }</div> |
| <div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  }</div> |
| <div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  </div> |
| <div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">if</span> (prohibitedScorers != null && prohibitedScorers.Count > 0)</div> |
| <div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  {</div> |
| <div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordflow">foreach</span>(<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html" title="Expert: Common scoring functionality for different types of queries.">Scorer</a> scorer <span class="keywordflow">in</span> prohibitedScorers)</div> |
| <div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  {</div> |
| <div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordtype">int</span> mask = nextMask;</div> |
| <div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  nextMask = nextMask << 1;</div> |
| <div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  prohibitedMask |= mask; <span class="comment">// update prohibited mask</span></div> |
| <div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">if</span> (scorer.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator.html#a70f16616e044ffd57b07dbc426c34e0d" title="Advances to the next document in the set and returns the doc it is currently on, or NO_MORE_DOCS if t...">NextDoc</a>() != NO_MORE_DOCS)</div> |
| <div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  {</div> |
| <div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  scorers = <span class="keyword">new</span> SubScorer(scorer, <span class="keyword">false</span>, <span class="keyword">true</span>, bucketTable.NewCollector(mask), scorers);</div> |
| <div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  }</div> |
| <div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  }</div> |
| <div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  }</div> |
| <div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  </div> |
| <div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  coordFactors = <span class="keyword">new</span> <span class="keywordtype">float</span>[maxCoord];</div> |
| <div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_similarity.html" title="Expert: Scoring API. Subclasses implement search scoring.">Similarity</a> sim = <a class="code" href="_documents_writer_8cs.html#a5431a3a4edd067eec50ca39b5ea99c31">Similarity</a>;</div> |
| <div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < maxCoord; i++)</div> |
| <div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  {</div> |
| <div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  coordFactors[i] = sim.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_similarity.html#acef90f6b9b05e7f0d63e145987229e85" title="Computes a score factor based on the fraction of all query terms that a document contains. This value is multiplied into scores.">Coord</a>(i, maxCoord - 1);</div> |
| <div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  }</div> |
| <div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  }</div> |
| <div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  </div> |
| <div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="comment">// firstDocID is ignored since nextDoc() initializes 'current'</span></div> |
| <div class="line"><a name="l00269"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_scorer.html#a70e5c06327a6b2df063e7333f348f047"> 269</a></span>  <span class="keyword">public</span> <span class="comment">/*protected internal*/</span> <span class="keyword">override</span> <span class="keywordtype">bool</span> Score(<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_collector.html" title="Expert: Collectors are primarily meant to be used to gather raw results from a search, and implement sorting or custom result filtering, collation, etc. ">Collector</a> collector, <span class="keywordtype">int</span> max, <span class="keywordtype">int</span> firstDocID)</div> |
| <div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  {</div> |
| <div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordtype">bool</span> more;</div> |
| <div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  Bucket tmp;</div> |
| <div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  BucketScorer bs = <span class="keyword">new</span> BucketScorer();</div> |
| <div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="comment">// The internal loop will set the score and doc before calling collect.</span></div> |
| <div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  collector.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_collector.html#aa8d9d434cf08dd3422210a7c00ec9e80" title="Called before successive calls to Collect(int). Implementations that need the score of the current do...">SetScorer</a>(bs);</div> |
| <div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">do</span> </div> |
| <div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  {</div> |
| <div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  bucketTable.first = null;</div> |
| <div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  </div> |
| <div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordflow">while</span> (current != null)</div> |
| <div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  {</div> |
| <div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="comment">// more queued </span></div> |
| <div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  </div> |
| <div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="comment">// check prohibited & required</span></div> |
| <div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordflow">if</span> ((current.bits & prohibitedMask) == 0 && (current.bits & requiredMask) == requiredMask)</div> |
| <div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  {</div> |
| <div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  </div> |
| <div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keywordflow">if</span> (current.doc >= max)</div> |
| <div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  {</div> |
| <div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  tmp = current;</div> |
| <div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  current = current.next;</div> |
| <div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  tmp.next = bucketTable.first;</div> |
| <div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  bucketTable.first = tmp;</div> |
| <div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">continue</span>;</div> |
| <div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  }</div> |
| <div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  </div> |
| <div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">if</span> (current.coord >= minNrShouldMatch)</div> |
| <div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  {</div> |
| <div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  bs.score = current.score * coordFactors[current.coord];</div> |
| <div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  bs.doc = current.doc;</div> |
| <div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  collector.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_collector.html#a125e477dc1b59bbdb22fa71eeac4fd8b" title="Called once for every document matching a query, with the unbased document number.">Collect</a>(current.doc);</div> |
| <div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  }</div> |
| <div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  }</div> |
| <div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  </div> |
| <div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  current = current.next; <span class="comment">// pop the queue</span></div> |
| <div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  }</div> |
| <div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  </div> |
| <div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="keywordflow">if</span> (bucketTable.first != null)</div> |
| <div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  {</div> |
| <div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  current = bucketTable.first;</div> |
| <div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  bucketTable.first = current.next;</div> |
| <div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  }</div> |
| <div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  </div> |
| <div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="comment">// refill the queue</span></div> |
| <div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  more = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  end += BucketTable.SIZE;</div> |
| <div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordflow">for</span> (SubScorer sub = scorers; sub != null; sub = sub.next)</div> |
| <div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  {</div> |
| <div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordtype">int</span> subScorerDocID = sub.scorer.DocID();</div> |
| <div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordflow">if</span> (subScorerDocID != NO_MORE_DOCS)</div> |
| <div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  {</div> |
| <div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  more |= sub.scorer.Score(sub.collector, end, subScorerDocID);</div> |
| <div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  }</div> |
| <div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  }</div> |
| <div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  current = bucketTable.first;</div> |
| <div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  }</div> |
| <div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">while</span> (current != null || more);</div> |
| <div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  </div> |
| <div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  }</div> |
| <div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  </div> |
| <div class="line"><a name="l00333"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_scorer.html#a1c55b73f8540b093b44dd2ccdb78d738"> 333</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">int</span> Advance(<span class="keywordtype">int</span> target)</div> |
| <div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  {</div> |
| <div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> System.NotSupportedException();</div> |
| <div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  }</div> |
| <div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  </div> |
| <div class="line"><a name="l00338"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_scorer.html#aaeb61d4ab8fd067e9f141481e4f73a0d"> 338</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">int</span> DocID()</div> |
| <div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  {</div> |
| <div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordflow">return</span> doc;</div> |
| <div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  }</div> |
| <div class="line"><a name="l00342"></a><span class="lineno"> 342</span> </div> |
| <div class="line"><a name="l00343"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_scorer.html#a37d9282d674292cada3a29324c6d9774"> 343</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">int</span> NextDoc()</div> |
| <div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  {</div> |
| <div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordtype">bool</span> more;</div> |
| <div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordflow">do</span> </div> |
| <div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  {</div> |
| <div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keywordflow">while</span> (bucketTable.first != null)</div> |
| <div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  {</div> |
| <div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="comment">// more queued</span></div> |
| <div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  current = bucketTable.first;</div> |
| <div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  bucketTable.first = current.next; <span class="comment">// pop the queue</span></div> |
| <div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  </div> |
| <div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="comment">// check prohibited & required, and minNrShouldMatch</span></div> |
| <div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">if</span> ((current.bits & prohibitedMask) == 0 && (current.bits & requiredMask) == requiredMask && current.coord >= minNrShouldMatch)</div> |
| <div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  {</div> |
| <div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keywordflow">return</span> doc = current.doc;</div> |
| <div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  }</div> |
| <div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  }</div> |
| <div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  </div> |
| <div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="comment">// refill the queue</span></div> |
| <div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  more = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  end += BucketTable.SIZE;</div> |
| <div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">for</span> (SubScorer sub = scorers; sub != null; sub = sub.next)</div> |
| <div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  {</div> |
| <div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html" title="Expert: Common scoring functionality for different types of queries.">Scorer</a> scorer = sub.scorer;</div> |
| <div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  sub.collector.SetScorer(scorer);</div> |
| <div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordtype">int</span> doc = scorer.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator.html#a617cbe6c07c261cc2cc86ad3d255152f" title="Returns the following: -1 or NO_MORE_DOCS if NextDoc() or Advance(int) were not called yet...">DocID</a>();</div> |
| <div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keywordflow">while</span> (doc < end)</div> |
| <div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  {</div> |
| <div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  sub.collector.Collect(doc);</div> |
| <div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  doc = scorer.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator.html#a70f16616e044ffd57b07dbc426c34e0d" title="Advances to the next document in the set and returns the doc it is currently on, or NO_MORE_DOCS if t...">NextDoc</a>();</div> |
| <div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  }</div> |
| <div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  more |= (doc != NO_MORE_DOCS);</div> |
| <div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  }</div> |
| <div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  }</div> |
| <div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keywordflow">while</span> (bucketTable.first != null || more);</div> |
| <div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  </div> |
| <div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="keywordflow">return</span> this.doc = NO_MORE_DOCS;</div> |
| <div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  }</div> |
| <div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  </div> |
| <div class="line"><a name="l00382"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_scorer.html#a31efdf783114be46fcc18aac72d5764b"> 382</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">float</span> Score()</div> |
| <div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  {</div> |
| <div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordflow">return</span> current.score * coordFactors[current.coord];</div> |
| <div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  }</div> |
| <div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  </div> |
| <div class="line"><a name="l00387"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_scorer.html#ae48bd9471090cd30b1f14f4daf5522b4"> 387</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">void</span> Score(<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_collector.html" title="Expert: Collectors are primarily meant to be used to gather raw results from a search, and implement sorting or custom result filtering, collation, etc. ">Collector</a> collector)</div> |
| <div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  {</div> |
| <div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  Score(collector, System.Int32.MaxValue, NextDoc());</div> |
| <div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  }</div> |
| <div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  </div> |
| <div class="line"><a name="l00392"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_scorer.html#aaf49694e793d8e3cb4fe2e80f81a8137"> 392</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> System.String ToString()</div> |
| <div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  {</div> |
| <div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  System.Text.StringBuilder buffer = <span class="keyword">new</span> System.Text.StringBuilder();</div> |
| <div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  buffer.Append(<span class="stringliteral">"boolean("</span>);</div> |
| <div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordflow">for</span> (SubScorer sub = scorers; sub != null; sub = sub.next)</div> |
| <div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  {</div> |
| <div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  buffer.Append(sub.scorer.ToString());</div> |
| <div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  buffer.Append(<span class="stringliteral">" "</span>);</div> |
| <div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  }</div> |
| <div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  buffer.Append(<span class="stringliteral">")"</span>);</div> |
| <div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordflow">return</span> buffer.ToString();</div> |
| <div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  }</div> |
| <div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  }</div> |
| <div class="line"><a name="l00405"></a><span class="lineno"> 405</span> }</div> |
| </div><!-- fragment --></div><!-- contents --> |
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