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| <div class="title">WeightedSpanTermExtractor.cs</div> </div> |
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| <a href="_weighted_span_term_extractor_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"> *</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * or more contributor license agreements. See the NOTICE file</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * distributed with this work for additional information</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * regarding copyright ownership. The ASF licenses this file</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * to you under the Apache License, Version 2.0 (the</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * "License"); you may not use this file except in compliance</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * with the License. You may obtain a copy of the License at</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"> * http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * Unless required by applicable law or agreed to in writing,</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * software distributed under the License is distributed on an</span></div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * KIND, either express or implied. See the License for the</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * specific language governing permissions and limitations</span></div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * under the License.</span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">*/</span></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">using</span> System;</div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">using</span> System.Collections.Generic;</div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">using</span> System.IO;</div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">using</span> System.Linq;</div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">using</span> System.Text;</div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">using</span> Lucene.Net.Analysis;</div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">using</span> Lucene.Net.Index;</div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">using</span> Lucene.Net.Index.Memory;</div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">using</span> Lucene.Net.Search.Spans;</div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">using</span> Lucene.Net.Store;</div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">using</span> Lucene.Net.Support;</div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">using</span> Lucene.Net.Util;</div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">namespace </span>Lucene.Net.Search.Highlight</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> {</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_highlight_1_1_weighted_span_term_extractor.html"> 41</a></span>  <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_highlight_1_1_weighted_span_term_extractor.html" title="Class used to extract WeightedSpanTerms from a Query based on whether Terms from the Query are contai...">WeightedSpanTermExtractor</a></div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  {</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">private</span> String fieldName;</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">private</span> <a class="code" href="class_lucene_1_1_net_1_1_analysis_1_1_token_stream.html" title="A TokenStream enumerates the sequence of tokens, either from Fields of a Document or from query text...">TokenStream</a> tokenStream;</div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">private</span> IDictionary<String, IndexReader> readers = <span class="keyword">new</span> HashMap<String, IndexReader>(10);</div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">private</span> String defaultField;</div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">private</span> <span class="keywordtype">bool</span> expandMultiTermQuery;</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">private</span> <span class="keywordtype">bool</span> cachedTokenStream;</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">private</span> <span class="keywordtype">bool</span> wrapToCaching = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div> |
| <div class="line"><a name="l00051"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_highlight_1_1_weighted_span_term_extractor.html#a1f14885287be2f4d4b5875836092022f"> 51</a></span>  <span class="keyword">public</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_highlight_1_1_weighted_span_term_extractor.html" title="Class used to extract WeightedSpanTerms from a Query based on whether Terms from the Query are contai...">WeightedSpanTermExtractor</a>()</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  {</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  }</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div> |
| <div class="line"><a name="l00055"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_highlight_1_1_weighted_span_term_extractor.html#ac8c5e5f455ee70d694c521d3ed4e40a3"> 55</a></span>  <span class="keyword">public</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_highlight_1_1_weighted_span_term_extractor.html" title="Class used to extract WeightedSpanTerms from a Query based on whether Terms from the Query are contai...">WeightedSpanTermExtractor</a>(String defaultField)</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  {</div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">if</span> (defaultField != null)</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  {</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  this.defaultField = <a class="code" href="class_lucene_1_1_net_1_1_util_1_1_string_helper.html" title="Methods for manipulating strings.">StringHelper</a>.<a class="code" href="class_lucene_1_1_net_1_1_util_1_1_string_helper.html#ae7eedf8109fc57ea8bbb0b35d4b85551" title="Return the same string object for all equal strings ">Intern</a>(defaultField);</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  }</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> </div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">private</span> <span class="keywordtype">void</span> CloseReaders()</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>  ICollection<IndexReader> readerSet = readers.Values;</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="keywordflow">foreach</span> (<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_index_reader.html" title="IndexReader is an abstract class, providing an interface for accessing an index. Search of an index i...">IndexReader</a> reader <span class="keywordflow">in</span> readerSet)</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  {</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">try</span></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>  reader.<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_index_reader.html#a1e6264ef01957145748af40d689eaf4d">Close</a>();</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>  <span class="keywordflow">catch</span> (IOException e)</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  {</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="comment">// alert?</span></div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  }</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>  }</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">private</span> <span class="keywordtype">void</span> Extract(<a class="code" href="_more_like_this_8cs.html#accbc7c5687907350ba0e2681b41e1b0d">Query</a> query, IDictionary<String, WeightedSpanTerm> terms)</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  {</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">if</span> (query is <a class="code" href="_more_like_this_8cs.html#ae2b9948961aeea34f9c4e4955536f433">BooleanQuery</a>)</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  {</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <a class="code" href="_more_like_this_8cs.html#a53e74846024ac804f694b882eea1936c">BooleanClause</a>[] queryClauses = ((<a class="code" href="_more_like_this_8cs.html#ae2b9948961aeea34f9c4e4955536f433">BooleanQuery</a>) query).GetClauses();</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < queryClauses.Length; i++)</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  {</div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">if</span> (!queryClauses[i].IsProhibited)</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>  Extract(queryClauses[i].<a class="code" href="_more_like_this_8cs.html#accbc7c5687907350ba0e2681b41e1b0d">Query</a>, terms);</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>  }</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (query is <a class="code" href="_abstract_field_8cs.html#a945cd0e79343408e87508a19920e3941">PhraseQuery</a>)</div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  {</div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  PhraseQuery phraseQuery = ((<a class="code" href="_abstract_field_8cs.html#a945cd0e79343408e87508a19920e3941">PhraseQuery</a>) query);</div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_term.html" title="A Term represents a word from text. This is the unit of search. It is composed of two elements...">Term</a>[] phraseQueryTerms = phraseQuery.GetTerms();</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_spans_1_1_span_query.html" title="Base class for span-based queries. ">SpanQuery</a>[] clauses = <span class="keyword">new</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_spans_1_1_span_query.html" title="Base class for span-based queries. ">SpanQuery</a>[phraseQueryTerms.Length];</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < phraseQueryTerms.Length; i++)</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>  clauses[i] = <span class="keyword">new</span> <a class="code" href="_payload_span_util_8cs.html#a5d2e0366eef6be5527ad6caf1eceaaf3">SpanTermQuery</a>(phraseQueryTerms[i]);</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>  <span class="keywordtype">int</span> slop = phraseQuery.Slop;</div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordtype">int</span>[] positions = phraseQuery.GetPositions();</div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">// add largest position increment to slop</span></div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">if</span> (positions.Length > 0)</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>  <span class="keywordtype">int</span> lastPos = positions[0];</div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordtype">int</span> largestInc = 0;</div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">int</span> sz = positions.Length;</div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 1; i < sz; i++)</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>  <span class="keywordtype">int</span> pos = positions[i];</div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordtype">int</span> inc = pos - lastPos;</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">if</span> (inc > largestInc)</div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  {</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  largestInc = inc;</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  }</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  lastPos = pos;</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>  <span class="keywordflow">if</span> (largestInc > 1)</div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  {</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  slop += largestInc;</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>  }</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>  <span class="keywordtype">bool</span> inorder = slop == 0;</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>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_spans_1_1_span_near_query.html" title="Matches spans which are near one another. One can specify slop, the maximum number of intervening unm...">SpanNearQuery</a> sp = <span class="keyword">new</span> <a class="code" href="_payload_near_query_8cs.html#a445185cc4be1c020a7789e9c4445f789">SpanNearQuery</a>(clauses, slop, inorder);</div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  sp.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html#a2a58b600e864bed65cc21815fffa0218" title="Gets or sets the boost for this query clause to b. Documents matching this clause will (in addition t...">Boost</a> = query.Boost;</div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  ExtractWeightedSpanTerms(terms, sp);</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>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (query is <a class="code" href="_more_like_this_8cs.html#a13f0b68c1e7c8f509c3a0be1441df5d9">TermQuery</a>)</div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  {</div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  ExtractWeightedTerms(terms, query);</div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  }</div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (query is <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_spans_1_1_span_query.html" title="Base class for span-based queries. ">SpanQuery</a>)</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>  ExtractWeightedSpanTerms(terms, (SpanQuery) query);</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">else</span> <span class="keywordflow">if</span> (query is <a class="code" href="_payload_span_util_8cs.html#a49363f78c70160c950a5ccc78e8d21e4">FilteredQuery</a>)</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>  Extract(((FilteredQuery) query).<a class="code" href="_more_like_this_8cs.html#accbc7c5687907350ba0e2681b41e1b0d">Query</a>, terms);</div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  }</div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (query is <a class="code" href="_payload_span_util_8cs.html#a293b1a238d8f7a4277a888a28ca86e65">DisjunctionMaxQuery</a>)</div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  {</div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keywordflow">foreach</span> (var q <span class="keywordflow">in</span> ((DisjunctionMaxQuery) query))</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>  Extract(q, terms);</div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  }</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="keywordflow">else</span> <span class="keywordflow">if</span> (query is <a class="code" href="_query_parser_8cs.html#a45d897238ea15e63a6bfd530a8d0c652">MultiTermQuery</a> && expandMultiTermQuery)</div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  {</div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <a class="code" href="_query_parser_8cs.html#a45d897238ea15e63a6bfd530a8d0c652">MultiTermQuery</a> mtq = ((<a class="code" href="_query_parser_8cs.html#a45d897238ea15e63a6bfd530a8d0c652">MultiTermQuery</a>) query);</div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">if</span> (mtq.RewriteMethod != <a class="code" href="_query_parser_8cs.html#a45d897238ea15e63a6bfd530a8d0c652">MultiTermQuery</a>.SCORING_BOOLEAN_QUERY_REWRITE)</div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  {</div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  mtq = (<a class="code" href="_query_parser_8cs.html#a45d897238ea15e63a6bfd530a8d0c652">MultiTermQuery</a>) mtq.Clone();</div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  mtq.RewriteMethod = <a class="code" href="_query_parser_8cs.html#a45d897238ea15e63a6bfd530a8d0c652">MultiTermQuery</a>.SCORING_BOOLEAN_QUERY_REWRITE;</div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  query = mtq;</div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  }</div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  FakeReader fReader = <span class="keyword">new</span> FakeReader();</div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <a class="code" href="_query_parser_8cs.html#a45d897238ea15e63a6bfd530a8d0c652">MultiTermQuery</a>.SCORING_BOOLEAN_QUERY_REWRITE.Rewrite(fReader, mtq);</div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">if</span> (fReader.Field != null)</div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  {</div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_index_reader.html" title="IndexReader is an abstract class, providing an interface for accessing an index. Search of an index i...">IndexReader</a> ir = GetReaderForField(fReader.Field);</div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  Extract(query.Rewrite(ir), terms);</div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  }</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="keywordflow">else</span> <span class="keywordflow">if</span> (query is <a class="code" href="_multi_field_query_parser_8cs.html#a777364258387f83212556dce74b9d088">MultiPhraseQuery</a>)</div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  {</div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  MultiPhraseQuery mpq = (<a class="code" href="_multi_field_query_parser_8cs.html#a777364258387f83212556dce74b9d088">MultiPhraseQuery</a>) query;</div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  IList<Term[]> termArrays = mpq.GetTermArrays();</div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordtype">int</span>[] positions = mpq.GetPositions();</div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">if</span> (positions.Length > 0)</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="keywordtype">int</span> maxPosition = positions[positions.Length - 1];</div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < positions.Length - 1; ++i)</div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  {</div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">if</span> (positions[i] > maxPosition)</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>  maxPosition = positions[i];</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>  }</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>  var disjunctLists = <span class="keyword">new</span> List<SpanQuery>[maxPosition + 1];</div> |
| <div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordtype">int</span> distinctPositions = 0;</div> |
| <div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div> |
| <div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < termArrays.Count; ++i)</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>  <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_term.html" title="A Term represents a word from text. This is the unit of search. It is composed of two elements...">Term</a>[] termArray = termArrays[i];</div> |
| <div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  List<SpanQuery> disjuncts = disjunctLists[positions[i]];</div> |
| <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">if</span> (disjuncts == null)</div> |
| <div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  {</div> |
| <div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  disjuncts = (disjunctLists[positions[i]] = <span class="keyword">new</span> List<SpanQuery>(termArray.Length));</div> |
| <div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  ++distinctPositions;</div> |
| <div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  }</div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j < termArray.Length; ++j)</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>  disjuncts.Add(<span class="keyword">new</span> <a class="code" href="_payload_span_util_8cs.html#a5d2e0366eef6be5527ad6caf1eceaaf3">SpanTermQuery</a>(termArray[j]));</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>  }</div> |
| <div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div> |
| <div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordtype">int</span> positionGaps = 0;</div> |
| <div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="keywordtype">int</span> position = 0;</div> |
| <div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  SpanQuery[] clauses = <span class="keyword">new</span> SpanQuery[distinctPositions];</div> |
| <div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < disjunctLists.Length; ++i)</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>  List<SpanQuery> disjuncts = disjunctLists[i];</div> |
| <div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordflow">if</span> (disjuncts != null)</div> |
| <div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  {</div> |
| <div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  clauses[position++] = <span class="keyword">new</span> <a class="code" href="_payload_span_util_8cs.html#a338dea77645d7a36c786d0eaf9615b75">SpanOrQuery</a>(disjuncts.ToArray());</div> |
| <div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  }</div> |
| <div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  {</div> |
| <div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  ++positionGaps;</div> |
| <div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  }</div> |
| <div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  }</div> |
| <div class="line"><a name="l00224"></a><span class="lineno"> 224</span> </div> |
| <div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordtype">int</span> slop = mpq.Slop;</div> |
| <div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordtype">bool</span> inorder = (slop == 0);</div> |
| <div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div> |
| <div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_spans_1_1_span_near_query.html" title="Matches spans which are near one another. One can specify slop, the maximum number of intervening unm...">SpanNearQuery</a> sp = <span class="keyword">new</span> <a class="code" href="_payload_near_query_8cs.html#a445185cc4be1c020a7789e9c4445f789">SpanNearQuery</a>(clauses, slop + positionGaps, inorder);</div> |
| <div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  sp.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html#a2a58b600e864bed65cc21815fffa0218" title="Gets or sets the boost for this query clause to b. Documents matching this clause will (in addition t...">Boost</a> = query.Boost;</div> |
| <div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  ExtractWeightedSpanTerms(terms, sp);</div> |
| <div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  }</div> |
| <div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  }</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> </div> |
| <div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keyword">private</span> <span class="keywordtype">void</span> ExtractWeightedSpanTerms(IDictionary<String, WeightedSpanTerm> terms, SpanQuery spanQuery)</div> |
| <div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  {</div> |
| <div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  HashSet<String> fieldNames;</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>  <span class="keywordflow">if</span> (fieldName == null)</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>  fieldNames = <span class="keyword">new</span> HashSet<String>();</div> |
| <div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  CollectSpanQueryFields(spanQuery, fieldNames);</div> |
| <div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  }</div> |
| <div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  {</div> |
| <div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  fieldNames = <span class="keyword">new</span> HashSet<String>();</div> |
| <div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  fieldNames.Add(fieldName);</div> |
| <div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  }</div> |
| <div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="comment">// To support the use of the default field name</span></div> |
| <div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">if</span> (defaultField != null)</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>  fieldNames.Add(defaultField);</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>  IDictionary<String, SpanQuery> queries = <span class="keyword">new</span> HashMap<String, SpanQuery>();</div> |
| <div class="line"><a name="l00261"></a><span class="lineno"> 261</span> </div> |
| <div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  var nonWeightedTerms = Support.Compatibility.SetFactory.CreateHashSet<<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_term.html" title="A Term represents a word from text. This is the unit of search. It is composed of two elements...">Term</a>>();</div> |
| <div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordtype">bool</span> mustRewriteQuery = MustRewriteQuery(spanQuery);</div> |
| <div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordflow">if</span> (mustRewriteQuery)</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>  <span class="keywordflow">foreach</span> (String field <span class="keywordflow">in</span> fieldNames)</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>  SpanQuery rewrittenQuery = (<a class="code" href="_abstract_field_8cs.html#acc785bedc86fa99fa13c32eaf059baab">SpanQuery</a>) spanQuery.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html#a0d78f3423d340cf4ddbeb2db9e13d055" title="Expert: called to re-write queries into primitive queries. For example, a PrefixQuery will be rewritt...">Rewrite</a>(GetReaderForField(field));</div> |
| <div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  queries[field] = rewrittenQuery;</div> |
| <div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  rewrittenQuery.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html#a9f47bf807320ce75a9096c983ab358d7" title="Expert: adds all terms occuring in this query to the terms set. Only works if this query is in its re...">ExtractTerms</a>(nonWeightedTerms);</div> |
| <div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  }</div> |
| <div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  }</div> |
| <div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  {</div> |
| <div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  spanQuery.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html#a9f47bf807320ce75a9096c983ab358d7" title="Expert: adds all terms occuring in this query to the terms set. Only works if this query is in its re...">ExtractTerms</a>(nonWeightedTerms);</div> |
| <div class="line"><a name="l00276"></a><span class="lineno"> 276</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>  List<PositionSpan> spanPositions = <span class="keyword">new</span> List<PositionSpan>();</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">foreach</span> (String field <span class="keywordflow">in</span> fieldNames)</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> </div> |
| <div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_index_reader.html" title="IndexReader is an abstract class, providing an interface for accessing an index. Search of an index i...">IndexReader</a> reader = GetReaderForField(field);</div> |
| <div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_spans_1_1_spans.html" title="Expert: an enumeration of span matches. Used to implement span searching. Each span represents a rang...">Spans</a>.Spans spans;</div> |
| <div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordflow">if</span> (mustRewriteQuery)</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>  spans = queries[field].GetSpans(reader);</div> |
| <div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  }</div> |
| <div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  {</div> |
| <div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  spans = spanQuery.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_spans_1_1_span_query.html#acb7fc3e125628214175a9c96e0020292" title="Expert: Returns the matches for this query in an index. Used internally to search for spans...">GetSpans</a>(reader);</div> |
| <div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  }</div> |
| <div class="line"><a name="l00293"></a><span class="lineno"> 293</span> </div> |
| <div class="line"><a name="l00294"></a><span class="lineno"> 294</span> </div> |
| <div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="comment">// collect span positions</span></div> |
| <div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keywordflow">while</span> (spans.Next())</div> |
| <div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  {</div> |
| <div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  spanPositions.Add(<span class="keyword">new</span> PositionSpan(spans.Start(), spans.End() - 1));</div> |
| <div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  }</div> |
| <div class="line"><a name="l00300"></a><span class="lineno"> 300</span> </div> |
| <div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  }</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>  <span class="keywordflow">if</span> (spanPositions.Count == 0)</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>  <span class="comment">// no spans found</span></div> |
| <div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordflow">return</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> </div> |
| <div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">foreach</span> (<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_term.html" title="A Term represents a word from text. This is the unit of search. It is composed of two elements...">Term</a> queryTerm <span class="keywordflow">in</span> nonWeightedTerms)</div> |
| <div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  {</div> |
| <div class="line"><a name="l00311"></a><span class="lineno"> 311</span> </div> |
| <div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordflow">if</span> (FieldNameComparator(queryTerm.<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_term.html#a2ecfa7c0860798920d089654f34aa222" title="Returns the field of this term, an interned string. The field indicates the part of a document which ...">Field</a>))</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>  WeightedSpanTerm weightedSpanTerm = terms[queryTerm.<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_term.html#afe11c449ea7db39725c494b2c2574847" title="Returns the text of this term. In the case of words, this is simply the text of the word...">Text</a>];</div> |
| <div class="line"><a name="l00315"></a><span class="lineno"> 315</span> </div> |
| <div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">if</span> (weightedSpanTerm == null)</div> |
| <div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  {</div> |
| <div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  weightedSpanTerm = <span class="keyword">new</span> WeightedSpanTerm(spanQuery.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html#a2a58b600e864bed65cc21815fffa0218" title="Gets or sets the boost for this query clause to b. Documents matching this clause will (in addition t...">Boost</a>, queryTerm.<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_term.html#afe11c449ea7db39725c494b2c2574847" title="Returns the text of this term. In the case of words, this is simply the text of the word...">Text</a>);</div> |
| <div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  weightedSpanTerm.AddPositionSpans(spanPositions);</div> |
| <div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  weightedSpanTerm.SetPositionSensitive(<span class="keyword">true</span>);</div> |
| <div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  terms[queryTerm.<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_term.html#afe11c449ea7db39725c494b2c2574847" title="Returns the text of this term. In the case of words, this is simply the text of the word...">Text</a>] = weightedSpanTerm;</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>  <span class="keywordflow">else</span></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>  <span class="keywordflow">if</span> (spanPositions.Count > 0)</div> |
| <div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  {</div> |
| <div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  weightedSpanTerm.AddPositionSpans(spanPositions);</div> |
| <div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  }</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>  }</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"> 333</span> </div> |
| <div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keyword">private</span> <span class="keywordtype">void</span> ExtractWeightedTerms(IDictionary<String, WeightedSpanTerm> terms, <a class="code" href="_more_like_this_8cs.html#accbc7c5687907350ba0e2681b41e1b0d">Query</a> query)</div> |
| <div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  {</div> |
| <div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  var nonWeightedTerms = Support.Compatibility.SetFactory.CreateHashSet<<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_term.html" title="A Term represents a word from text. This is the unit of search. It is composed of two elements...">Term</a>>();</div> |
| <div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  query.ExtractTerms(nonWeightedTerms);</div> |
| <div class="line"><a name="l00343"></a><span class="lineno"> 343</span> </div> |
| <div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">foreach</span> (<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_term.html" title="A Term represents a word from text. This is the unit of search. It is composed of two elements...">Term</a> queryTerm <span class="keywordflow">in</span> nonWeightedTerms)</div> |
| <div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  {</div> |
| <div class="line"><a name="l00346"></a><span class="lineno"> 346</span> </div> |
| <div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">if</span> (FieldNameComparator(queryTerm.<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_term.html#a2ecfa7c0860798920d089654f34aa222" title="Returns the field of this term, an interned string. The field indicates the part of a document which ...">Field</a>))</div> |
| <div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  {</div> |
| <div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  WeightedSpanTerm weightedSpanTerm = <span class="keyword">new</span> WeightedSpanTerm(query.Boost, queryTerm.<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_term.html#afe11c449ea7db39725c494b2c2574847" title="Returns the text of this term. In the case of words, this is simply the text of the word...">Text</a>);</div> |
| <div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  terms[queryTerm.<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_term.html#afe11c449ea7db39725c494b2c2574847" title="Returns the text of this term. In the case of words, this is simply the text of the word...">Text</a>] = weightedSpanTerm;</div> |
| <div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  }</div> |
| <div class="line"><a name="l00352"></a><span class="lineno"> 352</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> </div> |
| <div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keyword">private</span> <span class="keywordtype">bool</span> FieldNameComparator(String fieldNameToCheck)</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>  <span class="keywordtype">bool</span> rv = fieldName == null || fieldNameToCheck == fieldName</div> |
| <div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  || fieldNameToCheck == defaultField;</div> |
| <div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keywordflow">return</span> rv;</div> |
| <div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  }</div> |
| <div class="line"><a name="l00364"></a><span class="lineno"> 364</span> </div> |
| <div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keyword">private</span> <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_index_reader.html" title="IndexReader is an abstract class, providing an interface for accessing an index. Search of an index i...">IndexReader</a> GetReaderForField(String field)</div> |
| <div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  {</div> |
| <div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordflow">if</span> (wrapToCaching && !cachedTokenStream && !(tokenStream is <a class="code" href="class_lucene_1_1_net_1_1_analysis_1_1_caching_token_filter.html" title="This class can be used if the token attributes of a TokenStream are intended to be consumed more than...">CachingTokenFilter</a>))</div> |
| <div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  {</div> |
| <div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  tokenStream = <span class="keyword">new</span> <a class="code" href="_query_parser_8cs.html#a6b125de7dbff35724b7a50ca1188b182">CachingTokenFilter</a>(tokenStream);</div> |
| <div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  cachedTokenStream = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  }</div> |
| <div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_index_reader.html" title="IndexReader is an abstract class, providing an interface for accessing an index. Search of an index i...">IndexReader</a> reader = readers[field];</div> |
| <div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keywordflow">if</span> (reader == null)</div> |
| <div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  {</div> |
| <div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_memory_1_1_memory_index.html" title="High-performance single-document main memory Apache Lucene fulltext search index.">MemoryIndex</a> indexer = <span class="keyword">new</span> <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_memory_1_1_memory_index.html" title="High-performance single-document main memory Apache Lucene fulltext search index.">MemoryIndex</a>();</div> |
| <div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  indexer.<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_memory_1_1_memory_index.html#a6c417595cc2e27722bb460f3fb11eea0">AddField</a>(field, tokenStream);</div> |
| <div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  tokenStream.Reset();</div> |
| <div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <a class="code" href="_more_like_this_8cs.html#a507bc55818dbcde9964f629543370b6f">IndexSearcher</a> searcher = indexer.<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_memory_1_1_memory_index.html#af30f02d7db003f5cb220ead3cf4a6999">CreateSearcher</a>();</div> |
| <div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  reader = searcher.IndexReader;</div> |
| <div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  readers[field] = reader;</div> |
| <div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  }</div> |
| <div class="line"><a name="l00382"></a><span class="lineno"> 382</span> </div> |
| <div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keywordflow">return</span> reader;</div> |
| <div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  }</div> |
| <div class="line"><a name="l00385"></a><span class="lineno"> 385</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_highlight_1_1_weighted_span_term_extractor.html#acca0a80d054646ac0656ea53b9822358"> 392</a></span>  <span class="keyword">public</span> IDictionary<String, WeightedSpanTerm> GetWeightedSpanTerms(<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html" title="The abstract base class for queries. Instantiable subclasses are: TermQuery MultiTermQuery BooleanQ...">Query</a> query, <a class="code" href="class_lucene_1_1_net_1_1_analysis_1_1_token_stream.html" title="A TokenStream enumerates the sequence of tokens, either from Fields of a Document or from query text...">TokenStream</a> tokenStream)</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>  <span class="keywordflow">return</span> GetWeightedSpanTerms(query, tokenStream, null);</div> |
| <div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  }</div> |
| <div class="line"><a name="l00396"></a><span class="lineno"> 396</span> </div> |
| <div class="line"><a name="l00397"></a><span class="lineno"> 397</span> </div> |
| <div class="line"><a name="l00405"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_highlight_1_1_weighted_span_term_extractor.html#a258451e9a563cd1ee4b33dd17fa8a385"> 405</a></span>  <span class="keyword">public</span> IDictionary<String, WeightedSpanTerm> GetWeightedSpanTerms(<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html" title="The abstract base class for queries. Instantiable subclasses are: TermQuery MultiTermQuery BooleanQ...">Query</a> query, <a class="code" href="class_lucene_1_1_net_1_1_analysis_1_1_token_stream.html" title="A TokenStream enumerates the sequence of tokens, either from Fields of a Document or from query text...">TokenStream</a> tokenStream,</div> |
| <div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  String fieldName)</div> |
| <div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  {</div> |
| <div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordflow">if</span> (fieldName != null)</div> |
| <div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  {</div> |
| <div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  this.fieldName = <a class="code" href="class_lucene_1_1_net_1_1_util_1_1_string_helper.html" title="Methods for manipulating strings.">StringHelper</a>.<a class="code" href="class_lucene_1_1_net_1_1_util_1_1_string_helper.html#ae7eedf8109fc57ea8bbb0b35d4b85551" title="Return the same string object for all equal strings ">Intern</a>(fieldName);</div> |
| <div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  }</div> |
| <div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  {</div> |
| <div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  this.fieldName = null;</div> |
| <div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  }</div> |
| <div class="line"><a name="l00416"></a><span class="lineno"> 416</span> </div> |
| <div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  IDictionary<String, WeightedSpanTerm> terms = <span class="keyword">new</span> PositionCheckingMap<String>();</div> |
| <div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  this.tokenStream = tokenStream;</div> |
| <div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="keywordflow">try</span></div> |
| <div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  {</div> |
| <div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  Extract(query, terms);</div> |
| <div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  }</div> |
| <div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keywordflow">finally</span></div> |
| <div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  {</div> |
| <div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  CloseReaders();</div> |
| <div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  }</div> |
| <div class="line"><a name="l00427"></a><span class="lineno"> 427</span> </div> |
| <div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">return</span> terms;</div> |
| <div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  }</div> |
| <div class="line"><a name="l00430"></a><span class="lineno"> 430</span> </div> |
| <div class="line"><a name="l00440"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_highlight_1_1_weighted_span_term_extractor.html#af5836698c81fc84ff823fc8b8c41cc34"> 440</a></span>  <span class="keyword">public</span> IDictionary<String, WeightedSpanTerm> GetWeightedSpanTermsWithScores(<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html" title="The abstract base class for queries. Instantiable subclasses are: TermQuery MultiTermQuery BooleanQ...">Query</a> query, <a class="code" href="class_lucene_1_1_net_1_1_analysis_1_1_token_stream.html" title="A TokenStream enumerates the sequence of tokens, either from Fields of a Document or from query text...">TokenStream</a> tokenStream,</div> |
| <div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  String fieldName, <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_index_reader.html" title="IndexReader is an abstract class, providing an interface for accessing an index. Search of an index i...">IndexReader</a> reader)</div> |
| <div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  {</div> |
| <div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keywordflow">if</span> (fieldName != null)</div> |
| <div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  {</div> |
| <div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  this.fieldName = <a class="code" href="class_lucene_1_1_net_1_1_util_1_1_string_helper.html" title="Methods for manipulating strings.">StringHelper</a>.<a class="code" href="class_lucene_1_1_net_1_1_util_1_1_string_helper.html#ae7eedf8109fc57ea8bbb0b35d4b85551" title="Return the same string object for all equal strings ">Intern</a>(fieldName);</div> |
| <div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  }</div> |
| <div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  {</div> |
| <div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  this.fieldName = null;</div> |
| <div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  }</div> |
| <div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  this.tokenStream = tokenStream;</div> |
| <div class="line"><a name="l00452"></a><span class="lineno"> 452</span> </div> |
| <div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  IDictionary<String, WeightedSpanTerm> terms = <span class="keyword">new</span> PositionCheckingMap<String>();</div> |
| <div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  Extract(query, terms);</div> |
| <div class="line"><a name="l00455"></a><span class="lineno"> 455</span> </div> |
| <div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="keywordtype">int</span> totalNumDocs = reader.<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_index_reader.html#a300ecbc61b021d9ae600e1b00c61a851" title="Returns the number of documents in this index. ">NumDocs</a>();</div> |
| <div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  var weightedTerms = terms.Keys;</div> |
| <div class="line"><a name="l00458"></a><span class="lineno"> 458</span> </div> |
| <div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <span class="keywordflow">try</span></div> |
| <div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  {</div> |
| <div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keywordflow">foreach</span> (var wt <span class="keywordflow">in</span> weightedTerms)</div> |
| <div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  {</div> |
| <div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_highlight_1_1_weighted_span_term.html" title="Lightweight class to hold term, Weight, and positions used for scoring this term. ...">WeightedSpanTerm</a> weightedSpanTerm = terms[wt];</div> |
| <div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="keywordtype">int</span> docFreq = reader.<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_index_reader.html#a64a1dd38f0e39bd79e5f46ce59ce967b" title="Returns the number of documents containing the term t.">DocFreq</a>(<span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#a8797eb30ce21b31829d3e3a43a20e3b9">Term</a>(fieldName, weightedSpanTerm.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_highlight_1_1_weighted_term.html#aca239a461b884e0a917f100d2e9fc011" title="the term value (stemmed) ">Term</a>));</div> |
| <div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="comment">// docFreq counts deletes</span></div> |
| <div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="keywordflow">if</span> (totalNumDocs < docFreq)</div> |
| <div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  {</div> |
| <div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  docFreq = totalNumDocs;</div> |
| <div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  }</div> |
| <div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="comment">// IDF algorithm taken from DefaultSimilarity class</span></div> |
| <div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="keywordtype">float</span> idf = (float) (Math.Log((<span class="keywordtype">float</span>) totalNumDocs/(<span class="keywordtype">double</span>) (docFreq + 1)) + 1.0);</div> |
| <div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  weightedSpanTerm.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_highlight_1_1_weighted_term.html#aef3a222c89817d52c24034ab09dcc394" title="the Weight associated with this term ">Weight</a> *= idf;</div> |
| <div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  }</div> |
| <div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  }</div> |
| <div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="keywordflow">finally</span></div> |
| <div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  {</div> |
| <div class="line"><a name="l00477"></a><span class="lineno"> 477</span> </div> |
| <div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  CloseReaders();</div> |
| <div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  }</div> |
| <div class="line"><a name="l00480"></a><span class="lineno"> 480</span> </div> |
| <div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keywordflow">return</span> terms;</div> |
| <div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  }</div> |
| <div class="line"><a name="l00483"></a><span class="lineno"> 483</span> </div> |
| <div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <span class="keyword">private</span> <span class="keywordtype">void</span> CollectSpanQueryFields(SpanQuery spanQuery, HashSet<String> fieldNames)</div> |
| <div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  {</div> |
| <div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="keywordflow">if</span> (spanQuery is <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_spans_1_1_field_masking_span_query.html" title="Wrapper to allow SpanQuery objects participate in composite single-field SpanQueries by 'lying' about...">FieldMaskingSpanQuery</a>)</div> |
| <div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  {</div> |
| <div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  CollectSpanQueryFields(((FieldMaskingSpanQuery) spanQuery).MaskedQuery, fieldNames);</div> |
| <div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  }</div> |
| <div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (spanQuery is <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_spans_1_1_span_first_query.html" title="Matches spans near the beginning of a field. ">SpanFirstQuery</a>)</div> |
| <div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  {</div> |
| <div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  CollectSpanQueryFields(((SpanFirstQuery) spanQuery).Match, fieldNames);</div> |
| <div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  }</div> |
| <div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (spanQuery is <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_spans_1_1_span_near_query.html" title="Matches spans which are near one another. One can specify slop, the maximum number of intervening unm...">SpanNearQuery</a>)</div> |
| <div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  {</div> |
| <div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="keywordflow">foreach</span> (SpanQuery clause <span class="keywordflow">in</span> ((SpanNearQuery) spanQuery).GetClauses())</div> |
| <div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  {</div> |
| <div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  CollectSpanQueryFields(clause, fieldNames);</div> |
| <div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  }</div> |
| <div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  }</div> |
| <div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (spanQuery is <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_spans_1_1_span_not_query.html" title="Removes matches which overlap with another SpanQuery. ">SpanNotQuery</a>)</div> |
| <div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  {</div> |
| <div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  CollectSpanQueryFields(((SpanNotQuery) spanQuery).Include, fieldNames);</div> |
| <div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  }</div> |
| <div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (spanQuery is <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_spans_1_1_span_or_query.html" title="Matches the union of its clauses.">SpanOrQuery</a>)</div> |
| <div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  {</div> |
| <div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="keywordflow">foreach</span> (SpanQuery clause <span class="keywordflow">in</span> ((SpanOrQuery) spanQuery).GetClauses())</div> |
| <div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  {</div> |
| <div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  CollectSpanQueryFields(clause, fieldNames);</div> |
| <div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  }</div> |
| <div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  }</div> |
| <div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  {</div> |
| <div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  fieldNames.Add(spanQuery.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_spans_1_1_span_or_query.html#a843a6fd50c3edf1ec3c92573b224b697">Field</a>);</div> |
| <div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  }</div> |
| <div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  }</div> |
| <div class="line"><a name="l00517"></a><span class="lineno"> 517</span> </div> |
| <div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="keyword">private</span> <span class="keywordtype">bool</span> MustRewriteQuery(SpanQuery spanQuery)</div> |
| <div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  {</div> |
| <div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  <span class="keywordflow">if</span> (!expandMultiTermQuery)</div> |
| <div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  {</div> |
| <div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">// Will throw UnsupportedOperationException in case of a SpanRegexQuery.</span></div> |
| <div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  }</div> |
| <div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (spanQuery is FieldMaskingSpanQuery)</div> |
| <div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  {</div> |
| <div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  <span class="keywordflow">return</span> MustRewriteQuery(((FieldMaskingSpanQuery)spanQuery).MaskedQuery);</div> |
| <div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  }</div> |
| <div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (spanQuery is SpanFirstQuery)</div> |
| <div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  {</div> |
| <div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  <span class="keywordflow">return</span> MustRewriteQuery(((SpanFirstQuery)spanQuery).Match);</div> |
| <div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  }</div> |
| <div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (spanQuery is SpanNearQuery)</div> |
| <div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  {</div> |
| <div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <span class="keywordflow">foreach</span> (SpanQuery clause <span class="keywordflow">in</span> ((SpanNearQuery) spanQuery).GetClauses())</div> |
| <div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  {</div> |
| <div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  <span class="keywordflow">if</span> (MustRewriteQuery(clause))</div> |
| <div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  {</div> |
| <div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  }</div> |
| <div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  }</div> |
| <div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  }</div> |
| <div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (spanQuery is SpanNotQuery)</div> |
| <div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  {</div> |
| <div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  SpanNotQuery spanNotQuery = (SpanNotQuery) spanQuery;</div> |
| <div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="keywordflow">return</span> MustRewriteQuery(spanNotQuery.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_spans_1_1_span_not_query.html#a4af96475bba07c4b814a0c6678b30e4a" title="Return the SpanQuery whose matches are filtered. ">Include</a>) || MustRewriteQuery(spanNotQuery.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_spans_1_1_span_not_query.html#ae57d3881bf7c078c9bf303d2f792ef3d" title="Return the SpanQuery whose matches must not overlap those returned. ">Exclude</a>);</div> |
| <div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  }</div> |
| <div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (spanQuery is SpanOrQuery)</div> |
| <div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  {</div> |
| <div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="keywordflow">foreach</span> (SpanQuery clause <span class="keywordflow">in</span> ((SpanOrQuery) spanQuery).GetClauses())</div> |
| <div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  {</div> |
| <div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <span class="keywordflow">if</span> (MustRewriteQuery(clause))</div> |
| <div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  {</div> |
| <div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  }</div> |
| <div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  }</div> |
| <div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  }</div> |
| <div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (spanQuery is <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_spans_1_1_span_term_query.html" title="Matches spans containing a term. ">SpanTermQuery</a>)</div> |
| <div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  {</div> |
| <div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  }</div> |
| <div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  {</div> |
| <div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  }</div> |
| <div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  }</div> |
| <div class="line"><a name="l00568"></a><span class="lineno"> 568</span> </div> |
| <div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  </div> |
| <div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  <span class="keyword">private</span> <span class="keyword">class </span>PositionCheckingMap<K> : HashMap<K, WeightedSpanTerm></div> |
| <div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  {</div> |
| <div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  <span class="keyword">public</span> PositionCheckingMap()</div> |
| <div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  {</div> |
| <div class="line"><a name="l00579"></a><span class="lineno"> 579</span> </div> |
| <div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  }</div> |
| <div class="line"><a name="l00581"></a><span class="lineno"> 581</span> </div> |
| <div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  <span class="keyword">public</span> PositionCheckingMap(IEnumerable<KeyValuePair<K, WeightedSpanTerm>> m)</div> |
| <div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  {</div> |
| <div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  PutAll(m);</div> |
| <div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  }</div> |
| <div class="line"><a name="l00586"></a><span class="lineno"> 586</span> </div> |
| <div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <span class="keyword">public</span> <span class="keywordtype">void</span> PutAll(IEnumerable<KeyValuePair<K, WeightedSpanTerm>> m)</div> |
| <div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  {</div> |
| <div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="keywordflow">foreach</span> (var entry <span class="keywordflow">in</span> m)</div> |
| <div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  {</div> |
| <div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  Add(entry.Key, entry.Value);</div> |
| <div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  }</div> |
| <div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  }</div> |
| <div class="line"><a name="l00594"></a><span class="lineno"> 594</span> </div> |
| <div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">void</span> Add(K key, WeightedSpanTerm value)</div> |
| <div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  {</div> |
| <div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  base.Add(key, value);</div> |
| <div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  WeightedSpanTerm prev = <span class="keyword">this</span>[key];</div> |
| <div class="line"><a name="l00599"></a><span class="lineno"> 599</span> </div> |
| <div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  <span class="keywordflow">if</span> (prev == null) <span class="keywordflow">return</span>;</div> |
| <div class="line"><a name="l00601"></a><span class="lineno"> 601</span> </div> |
| <div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  WeightedSpanTerm prevTerm = prev;</div> |
| <div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  WeightedSpanTerm newTerm = value;</div> |
| <div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  <span class="keywordflow">if</span> (!prevTerm.IsPositionSensitive())</div> |
| <div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  {</div> |
| <div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  newTerm.SetPositionSensitive(<span class="keyword">false</span>);</div> |
| <div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  }</div> |
| <div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  }</div> |
| <div class="line"><a name="l00609"></a><span class="lineno"> 609</span> </div> |
| <div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  }</div> |
| <div class="line"><a name="l00611"></a><span class="lineno"> 611</span> </div> |
| <div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  <span class="keyword">public</span> <span class="keywordtype">bool</span> ExpandMultiTermQuery</div> |
| <div class="line"><a name="l00613"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_highlight_1_1_weighted_span_term_extractor.html#a1b31a52f88204985178611c4b378094e"> 613</a></span>  {</div> |
| <div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  <span class="keyword">set</span> { this.expandMultiTermQuery = value; }</div> |
| <div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <span class="keyword">get</span> { <span class="keywordflow">return</span> expandMultiTermQuery; }</div> |
| <div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  }</div> |
| <div class="line"><a name="l00617"></a><span class="lineno"> 617</span> </div> |
| <div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  <span class="keyword">public</span> <span class="keywordtype">bool</span> IsCachedTokenStream</div> |
| <div class="line"><a name="l00619"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_highlight_1_1_weighted_span_term_extractor.html#acba59439ac03cf587714a685e7463f54"> 619</a></span>  {</div> |
| <div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  <span class="keyword">get</span> { <span class="keywordflow">return</span> cachedTokenStream; }</div> |
| <div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  }</div> |
| <div class="line"><a name="l00622"></a><span class="lineno"> 622</span> </div> |
| <div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <span class="keyword">public</span> <a class="code" href="class_lucene_1_1_net_1_1_analysis_1_1_token_stream.html" title="A TokenStream enumerates the sequence of tokens, either from Fields of a Document or from query text...">TokenStream</a> <a class="code" href="class_lucene_1_1_net_1_1_analysis_1_1_token_stream.html" title="A TokenStream enumerates the sequence of tokens, either from Fields of a Document or from query text...">TokenStream</a></div> |
| <div class="line"><a name="l00624"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_highlight_1_1_weighted_span_term_extractor.html#a58dcf356bc1f1be929c8f22657f2d7ff"> 624</a></span>  {</div> |
| <div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  <span class="keyword">get</span> { <span class="keywordflow">return</span> tokenStream; }</div> |
| <div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  }</div> |
| <div class="line"><a name="l00627"></a><span class="lineno"> 627</span> </div> |
| <div class="line"><a name="l00628"></a><span class="lineno"> 628</span> </div> |
| <div class="line"><a name="l00635"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_highlight_1_1_weighted_span_term_extractor.html#a12ad83afd5a2d32ff999006ff878dc38"> 635</a></span>  <span class="keyword">public</span> <span class="keywordtype">void</span> SetWrapIfNotCachingTokenFilter(<span class="keywordtype">bool</span> wrap)</div> |
| <div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  {</div> |
| <div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  this.wrapToCaching = wrap;</div> |
| <div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  }</div> |
| <div class="line"><a name="l00639"></a><span class="lineno"> 639</span> </div> |
| <div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  <span class="keyword">protected</span> <span class="keyword">internal</span> sealed <span class="keyword">class </span>FakeReader : <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_filter_index_reader.html" title="A FilterIndexReader contains another IndexReader, which it uses as its basic source of data...">FilterIndexReader</a></div> |
| <div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  {</div> |
| <div class="line"><a name="l00645"></a><span class="lineno"> 645</span> </div> |
| <div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  <span class="keyword">private</span> <span class="keyword">static</span> <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_index_reader.html" title="IndexReader is an abstract class, providing an interface for accessing an index. Search of an index i...">IndexReader</a> EMPTY_MEMORY_INDEX_READER = <span class="keyword">new</span> <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_memory_1_1_memory_index.html" title="High-performance single-document main memory Apache Lucene fulltext search index.">MemoryIndex</a>().<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_memory_1_1_memory_index.html#af30f02d7db003f5cb220ead3cf4a6999">CreateSearcher</a>().IndexReader;</div> |
| <div class="line"><a name="l00647"></a><span class="lineno"> 647</span> </div> |
| <div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  <span class="keyword">public</span> String <a class="code" href="_syns2_index_8cs.html#a6d7b175c6799cf1d18e9493727d23fc6">Field</a> { <span class="keyword">get</span>; <span class="keyword">private</span> <span class="keyword">set</span>; }</div> |
| <div class="line"><a name="l00649"></a><span class="lineno"> 649</span> </div> |
| <div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  <span class="keyword">protected</span> <span class="keyword">internal</span> FakeReader()</div> |
| <div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  : base(EMPTY_MEMORY_INDEX_READER)</div> |
| <div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  {</div> |
| <div class="line"><a name="l00653"></a><span class="lineno"> 653</span> </div> |
| <div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  }</div> |
| <div class="line"><a name="l00655"></a><span class="lineno"> 655</span> </div> |
| <div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  <span class="keyword">public</span> <span class="keyword">override</span> <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_term_enum.html" title="Abstract class for enumerating terms. Term enumerations are always ordered by Term.compareTo(). Each term in the enumeration is greater than all that precede it. ">TermEnum</a> Terms(<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_term.html" title="A Term represents a word from text. This is the unit of search. It is composed of two elements...">Term</a> t)</div> |
| <div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  {</div> |
| <div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  <span class="comment">// only set first fieldname, maybe use a Set?</span></div> |
| <div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  <span class="keywordflow">if</span> (t != null && <a class="code" href="_syns2_index_8cs.html#a6d7b175c6799cf1d18e9493727d23fc6">Field</a> == null)</div> |
| <div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  <a class="code" href="_syns2_index_8cs.html#a6d7b175c6799cf1d18e9493727d23fc6">Field</a> = t.<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_term.html#a2ecfa7c0860798920d089654f34aa222" title="Returns the field of this term, an interned string. The field indicates the part of a document which ...">Field</a>;</div> |
| <div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  <span class="keywordflow">return</span> base.Terms(t);</div> |
| <div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  }</div> |
| <div class="line"><a name="l00663"></a><span class="lineno"> 663</span> </div> |
| <div class="line"><a name="l00664"></a><span class="lineno"> 664</span> </div> |
| <div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  }</div> |
| <div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  }</div> |
| <div class="line"><a name="l00667"></a><span class="lineno"> 667</span> }</div> |
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