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| <a href="_query_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> <span class="keyword">using</span> System.Linq;</div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">using</span> Lucene.Net.Index;</div> |
| <div class="line"><a name="l00021"></a><span class="lineno"><a class="code" href="_query_8cs.html#a2a6914ea10bbe06764856e29e5674e66"> 21</a></span> <span class="keyword">using</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> = Lucene.Net.Index.IndexReader;</div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">namespace </span>Lucene.Net.Search</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>  </div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  [Serializable]</div> |
| <div class="line"><a name="l00047"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html"> 47</a></span>  <span class="keyword">public</span> <span class="keyword">abstract</span> <span class="keyword">class </span><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> : System.ICloneable</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  {</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">private</span> <span class="keywordtype">float</span> boost = 1.0f; <span class="comment">// query boost factor</span></div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">float</span> Boost</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html#a2a58b600e864bed65cc21815fffa0218"> 56</a></span>  {</div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">get</span> { <span class="keywordflow">return</span> boost; }</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">set</span> { boost = value; }</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> </div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">public</span> <span class="keyword">abstract</span> System.String ToString(System.String field);</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  </div> |
| <div class="line"><a name="l00078"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html#a1e815cb670dec850ff74001b507fdf77"> 78</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> System.String ToString()</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  {</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">return</span> ToString(<span class="stringliteral">""</span>);</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  }</div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  </div> |
| <div class="line"><a name="l00088"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html#adb579d26787d010ed599ab01a9b6adae"> 88</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_weight.html" title="Expert: Calculate query weights and build query scorers. The purpose of Weight is to ensure searching...">Weight</a> CreateWeight(<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_searcher.html" title="An abstract base class for search implementations. Implements the main search methods.">Searcher</a> searcher)</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  {</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> System.NotSupportedException();</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>  </div> |
| <div class="line"><a name="l00094"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html#a723b98d56f3442fa67eba0d4c92b943c"> 94</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_weight.html" title="Expert: Calculate query weights and build query scorers. The purpose of Weight is to ensure searching...">Weight</a> <a class="code" href="_documents_writer_8cs.html#af0d29c976e72f83236dc8d0fa23aaf32">Weight</a>(<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_searcher.html" title="An abstract base class for search implementations. Implements the main search methods.">Searcher</a> searcher)</div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  {</div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <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 = searcher.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_searcher.html#ab5df2c95611970cce4acfe077dd3bb7d" title="Expert: called to re-write queries into primitive queries.">Rewrite</a>(<span class="keyword">this</span>);</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_weight.html" title="Expert: Calculate query weights and build query scorers. The purpose of Weight is to ensure searching...">Weight</a> weight = query.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html#adb579d26787d010ed599ab01a9b6adae" title="Expert: Constructs an appropriate Weight implementation for this query.">CreateWeight</a>(searcher);</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">float</span> sum = weight.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_weight.html#a0a9aa5e55306164f0b5e6b8ee30b8a41" title="The sum of squared weights of contained query clauses. ">GetSumOfSquaredWeights</a>();</div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordtype">float</span> norm = GetSimilarity(searcher).QueryNorm(sum);</div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">if</span> (<span class="keywordtype">float</span>.IsInfinity(norm) || <span class="keywordtype">float</span>.IsNaN(norm))</div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  norm = 1.0f;</div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  weight.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_weight.html#a33ec760fdf31354a43b50d7abd53a573" title="Assigns the query normalization factor to this. ">Normalize</a>(norm);</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">return</span> weight;</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</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>  </div> |
| <div class="line"><a name="l00111"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html#a0d78f3423d340cf4ddbeb2db9e13d055"> 111</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <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> Rewrite(<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="l00112"></a><span class="lineno"> 112</span>  {</div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">return</span> <span class="keyword">this</span>;</div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  }</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>  </div> |
| <div class="line"><a name="l00128"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html#a75af5b3a52be8d47449c807bade97838"> 128</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <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> Combine(<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>[] queries)</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>  var uniques = <span class="keyword">new</span> System.Collections.Generic.HashSet<<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>>();</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < queries.Length; i++)</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>  <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 = queries[i];</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_boolean_clause.html" title="A clause in a BooleanQuery. ">BooleanClause</a>[] clauses = null;</div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="comment">// check if we can split the query into clauses</span></div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordtype">bool</span> splittable = (query is <a class="code" href="_more_like_this_8cs.html#ae2b9948961aeea34f9c4e4955536f433">BooleanQuery</a>);</div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">if</span> (splittable)</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>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_query.html" title="A Query that matches documents matching boolean combinations of other queries, e.g. TermQuerys, PhraseQuerys or other BooleanQuerys. ">BooleanQuery</a> bq = (<a class="code" href="_more_like_this_8cs.html#ae2b9948961aeea34f9c4e4955536f433">BooleanQuery</a>) query;</div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  splittable = bq.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_query.html#a5ece3b9fe656b91145ee5fbe059bbc3b" title="Returns true iff Similarity.Coord(int,int) is disabled in scoring for this query instance. ">IsCoordDisabled</a>();</div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  clauses = bq.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_query.html#ace3873382d73bf7babc31fd2d5268de0" title="Returns the set of clauses in this query. ">GetClauses</a>();</div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; splittable && j < clauses.Length; j++)</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>  splittable = (clauses[j].<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_clause.html#a9221865438d440317e03556afe0fec44">Occur</a> == <a class="code" href="namespace_lucene_1_1_net_1_1_search.html#a99a7442e50a0ff52bf00ddb319eb9d34">Occur</a>.SHOULD);</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>  }</div> |
| <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">if</span> (splittable)</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="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j < clauses.Length; j++)</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>  uniques.Add(clauses[j].<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>);</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>  <span class="keywordflow">else</span></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>  uniques.Add(query);</div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</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>  <span class="comment">// optimization: if we have just one query, just return it</span></div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">if</span> (uniques.Count == 1)</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>  <span class="keywordflow">return</span> uniques.First();</div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  }</div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_query.html" title="A Query that matches documents matching boolean combinations of other queries, e.g. TermQuerys, PhraseQuerys or other BooleanQuerys. ">BooleanQuery</a> result = <span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#ae2b9948961aeea34f9c4e4955536f433">BooleanQuery</a>(<span class="keyword">true</span>);</div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">foreach</span> (<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> key <span class="keywordflow">in</span> uniques)</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>  result.Add(key, <a class="code" href="namespace_lucene_1_1_net_1_1_search.html#a99a7442e50a0ff52bf00ddb319eb9d34">Occur</a>.SHOULD);</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>  <span class="keywordflow">return</span> result;</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>  </div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  </div> |
| <div class="line"><a name="l00178"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html#a9f47bf807320ce75a9096c983ab358d7"> 178</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> ExtractTerms(System.Collections.Generic.ISet<<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>> terms)</div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  {</div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="comment">// needs to be implemented by query subclasses</span></div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> System.NotSupportedException();</div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  }</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>  </div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  </div> |
| <div class="line"><a name="l00191"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html#ac1ca86c30835f69c14785d98261be101"> 191</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> <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> MergeBooleanQueries(params <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_query.html" title="A Query that matches documents matching boolean combinations of other queries, e.g. TermQuerys, PhraseQuerys or other BooleanQuerys. ">BooleanQuery</a>[] queries)</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>  var allClauses = <span class="keyword">new</span> System.Collections.Generic.HashSet<<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_clause.html" title="A clause in a BooleanQuery. ">BooleanClause</a>>();</div> |
| <div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">foreach</span> (<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_query.html" title="A Query that matches documents matching boolean combinations of other queries, e.g. TermQuerys, PhraseQuerys or other BooleanQuerys. ">BooleanQuery</a> booleanQuery <span class="keywordflow">in</span> queries)</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>  <span class="keywordflow">foreach</span> (<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_clause.html" title="A clause in a BooleanQuery. ">BooleanClause</a> clause <span class="keywordflow">in</span> booleanQuery)</div> |
| <div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  {</div> |
| <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  allClauses.Add(clause);</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>  }</div> |
| <div class="line"><a name="l00201"></a><span class="lineno"> 201</span> </div> |
| <div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordtype">bool</span> coordDisabled = queries.Length == 0?<span class="keyword">false</span>:queries[0].IsCoordDisabled();</div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_query.html" title="A Query that matches documents matching boolean combinations of other queries, e.g. TermQuerys, PhraseQuerys or other BooleanQuerys. ">BooleanQuery</a> result = <span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#ae2b9948961aeea34f9c4e4955536f433">BooleanQuery</a>(coordDisabled);</div> |
| <div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">foreach</span>(<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_clause.html" title="A clause in a BooleanQuery. ">BooleanClause</a> clause <span class="keywordflow">in</span> allClauses)</div> |
| <div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  {</div> |
| <div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  result.Add(clause);</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>  <span class="keywordflow">return</span> result;</div> |
| <div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  }</div> |
| <div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  </div> |
| <div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  </div> |
| <div class="line"><a name="l00217"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html#a61ccd3cc51e811a537f7929e98302fd3"> 217</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</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> GetSimilarity(<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_searcher.html" title="An abstract base class for search implementations. Implements the main search methods.">Searcher</a> searcher)</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">return</span> searcher.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_searcher.html#a55a253cf1562ad7f1779d6f76f84c2de" title="Expert: Gets or Sets the Similarity implementation used by this Searcher.">Similarity</a>;</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>  </div> |
| <div class="line"><a name="l00223"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html#aa06acccee0ba99acb9f6fea24dff856d"> 223</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> System.Object Clone()</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="keywordflow">try</span></div> |
| <div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  {</div> |
| <div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">return</span> base.MemberwiseClone();</div> |
| <div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  }</div> |
| <div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">catch</span> (System.Exception e)</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>  <span class="keywordflow">throw</span> <span class="keyword">new</span> System.SystemException(<span class="stringliteral">"Clone not supported: "</span> + e.Message);</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="l00235"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html#a4a1966528d60f0f34294a4b1458dab1c"> 235</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">int</span> GetHashCode()</div> |
| <div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  {</div> |
| <div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordtype">int</span> prime = 31;</div> |
| <div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordtype">int</span> result = 1;</div> |
| <div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  result = prime * result + BitConverter.ToInt32(BitConverter.GetBytes(boost), 0);</div> |
| <div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">return</span> result;</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>  </div> |
| <div class="line"><a name="l00243"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html#a99c7950ea92f8a234e46f94616170d4c"> 243</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">bool</span> Equals(System.Object obj)</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>  <span class="keywordflow">if</span> (<span class="keyword">this</span> == obj)</div> |
| <div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">if</span> (obj == null)</div> |
| <div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">if</span> (GetType() != obj.GetType())</div> |
| <div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <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> other = (<a class="code" href="_more_like_this_8cs.html#accbc7c5687907350ba0e2681b41e1b0d">Query</a>) obj;</div> |
| <div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordflow">if</span> (BitConverter.ToInt32(BitConverter.GetBytes(boost), 0) != BitConverter.ToInt32(BitConverter.GetBytes(other.boost), 0))</div> |
| <div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  }</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> |
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