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| <a href="_multi_term_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.Collections.Generic;</div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">using</span> System.Runtime.InteropServices;</div> |
| <div class="line"><a name="l00021"></a><span class="lineno"><a class="code" href="_multi_term_query_8cs.html#a2a6914ea10bbe06764856e29e5674e66"> 21</a></span> <span class="keyword">using</span> <a class="code" href="_more_like_this_8cs.html#a2a6914ea10bbe06764856e29e5674e66">IndexReader</a> = Lucene.Net.Index.IndexReader;</div> |
| <div class="line"><a name="l00022"></a><span class="lineno"><a class="code" href="_multi_term_query_8cs.html#a8797eb30ce21b31829d3e3a43a20e3b9"> 22</a></span> <span class="keyword">using</span> <a class="code" href="_more_like_this_8cs.html#a8797eb30ce21b31829d3e3a43a20e3b9">Term</a> = Lucene.Net.Index.Term;</div> |
| <div class="line"><a name="l00023"></a><span class="lineno"><a class="code" href="_multi_term_query_8cs.html#a60340f60ee092cf9082b16fe7b2ed03f"> 23</a></span> <span class="keyword">using</span> <a class="code" href="_stop_filter_8cs.html#a60340f60ee092cf9082b16fe7b2ed03f">QueryParser</a> = Lucene.Net.QueryParsers.QueryParser;</div> |
| <div class="line"><a name="l00024"></a><span class="lineno"><a class="code" href="_multi_term_query_8cs.html#aeff40eaf34e2b78f761d305f48b95699"> 24</a></span> <span class="keyword">using</span> <a class="code" href="_boolean_query_8cs.html#aeff40eaf34e2b78f761d305f48b95699">ToStringUtils</a> = Lucene.Net.Util.ToStringUtils;</div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">namespace </span>Lucene.Net.Search</div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> {</div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  </div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  [Serializable]</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query.html"> 58</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_multi_term_query.html" title="An abstract Query that matches documents containing a subset of terms provided by a FilteredTermEnum ...">MultiTermQuery</a>:<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="l00059"></a><span class="lineno"> 59</span>  {</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  [Serializable]</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query_1_1_anonymous_class_constant_score_auto_rewrite.html"> 61</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_multi_term_query_1_1_anonymous_class_constant_score_auto_rewrite.html">AnonymousClassConstantScoreAutoRewrite</a>:<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query_1_1_constant_score_auto_rewrite.html" title="A rewrite method that tries to pick the best constant-score rewrite method based on term and document...">ConstantScoreAutoRewrite</a></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">public</span> <span class="keyword">override</span> <span class="keywordtype">int</span> TermCountCutoff</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query_1_1_anonymous_class_constant_score_auto_rewrite.html#a564a6aa62108d0070845ec68250002c1"> 64</a></span>  {</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">set</span> { <span class="keywordflow">throw</span> <span class="keyword">new</span> System.NotSupportedException(<span class="stringliteral">"Please create a private instance"</span>); }</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> </div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">double</span> DocCountPercent</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query_1_1_anonymous_class_constant_score_auto_rewrite.html#ae70da51e5fce9758c84497ea472618b5"> 69</a></span>  {</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keyword">set</span> { <span class="keywordflow">throw</span> <span class="keyword">new</span> System.NotSupportedException(<span class="stringliteral">"Please create a private instance"</span>); }</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</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="comment">// Make sure we are still a singleton even after deserializing</span></div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">protected</span> <span class="keyword">internal</span> <span class="keyword">virtual</span> System.Object ReadResolve()</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  {</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">return</span> Lucene.Net.Search.MultiTermQuery.CONSTANT_SCORE_AUTO_REWRITE_DEFAULT;</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>  <span class="keyword">protected</span> <span class="keyword">internal</span> RewriteMethod internalRewriteMethod = CONSTANT_SCORE_AUTO_REWRITE_DEFAULT;</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  [NonSerialized]</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">internal</span> <span class="keywordtype">int</span> numberOfTerms = 0;</div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  [Serializable]</div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">private</span> sealed <span class="keyword">class </span>ConstantScoreFilterRewrite:RewriteMethod</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  {</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">public</span> <span class="keyword">override</span> <a class="code" href="_more_like_this_8cs.html#accbc7c5687907350ba0e2681b41e1b0d">Query</a> Rewrite(<a class="code" href="_more_like_this_8cs.html#a2a6914ea10bbe06764856e29e5674e66">IndexReader</a> reader, <a class="code" href="_query_parser_8cs.html#a45d897238ea15e63a6bfd530a8d0c652">MultiTermQuery</a> query)</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  {</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <a class="code" href="_more_like_this_8cs.html#accbc7c5687907350ba0e2681b41e1b0d">Query</a> result = <span class="keyword">new</span> ConstantScoreQuery(<span class="keyword">new</span> MultiTermQueryWrapperFilter<MultiTermQuery>(query));</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  result.Boost = query.Boost;</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">return</span> result;</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="l00093"></a><span class="lineno"> 93</span>  <span class="comment">// Make sure we are still a singleton even after deserializing</span></div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">internal</span> System.Object ReadResolve()</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>  <span class="keywordflow">return</span> Lucene.Net.Search.MultiTermQuery.CONSTANT_SCORE_FILTER_REWRITE;</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>  </div> |
| <div class="line"><a name="l00114"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query.html#ae124731685dcbdac89e9c858a348efaf"> 114</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> readonly <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_rewrite_method.html" title="Abstract class that defines how the query is rewritten. ">RewriteMethod</a> CONSTANT_SCORE_FILTER_REWRITE = <span class="keyword">new</span> ConstantScoreFilterRewrite();</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>  [Serializable]</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">private</span> <span class="keyword">class </span>ScoringBooleanQueryRewrite:<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_rewrite_method.html" title="Abstract class that defines how the query is rewritten. ">RewriteMethod</a></div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  {</div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">public</span> <span class="keyword">override</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="_more_like_this_8cs.html#a2a6914ea10bbe06764856e29e5674e66">IndexReader</a> reader, <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query.html" title="An abstract Query that matches documents containing a subset of terms provided by a FilteredTermEnum ...">MultiTermQuery</a> query)</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  {</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>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_filtered_term_enum.html" title="Abstract class for enumerating a subset of all terms. Term enumerations are always ordered by Term...">FilteredTermEnum</a> enumerator = query.GetEnum(reader);</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</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="l00124"></a><span class="lineno"> 124</span>  <span class="keywordtype">int</span> count = 0;</div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">try</span></div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  {</div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">do</span> </div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  {</div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <a class="code" href="_more_like_this_8cs.html#a8797eb30ce21b31829d3e3a43a20e3b9">Term</a> t = enumerator.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_filtered_term_enum.html#ade48f20cda1d3cfafb5f16c92eb71dda" title="Returns the current Term in the enumeration. Returns null if no Term matches or all terms have been e...">Term</a>;</div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">if</span> (t != null)</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  {</div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_term_query.html" title="A Query that matches documents containing a term. This may be combined with other terms with a Boolea...">TermQuery</a> tq = <span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#a13f0b68c1e7c8f509c3a0be1441df5d9">TermQuery</a>(t); <span class="comment">// found a match</span></div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  tq.<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.<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> * enumerator.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_filtered_term_enum.html#a41d6598579fb711d4a971de901383496" title="Equality measure on the term ">Difference</a>(); <span class="comment">// set the boost</span></div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  result.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_query.html#abb13cef2c294c50e9224afd45239bfb5" title="Adds a clause to a boolean query.">Add</a>(tq, <a class="code" href="namespace_lucene_1_1_net_1_1_search.html#a99a7442e50a0ff52bf00ddb319eb9d34">Occur</a>.SHOULD); <span class="comment">// add to query</span></div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  count++;</div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</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">while</span> (enumerator.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_filtered_term_enum.html#a4bfec678e04824c242c337bf5e9419bc" title="Increments the enumeration to the next element. True if one exists. ">Next</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>  <span class="keywordflow">finally</span></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>  enumerator.Close();</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>  query.IncTotalNumberOfTerms(count);</div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">return</span> result;</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>  </div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="comment">// Make sure we are still a singleton even after deserializing</span></div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">protected</span> <span class="keyword">internal</span> <span class="keyword">virtual</span> System.Object ReadResolve()</div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  {</div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">return</span> Lucene.Net.Search.MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE;</div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  }</div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  }</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  </div> |
| <div class="line"><a name="l00170"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query.html#ac701f27c524058e3d6e4b6a3434268ca"> 170</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> readonly <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_rewrite_method.html" title="Abstract class that defines how the query is rewritten. ">RewriteMethod</a> SCORING_BOOLEAN_QUERY_REWRITE = <span class="keyword">new</span> ScoringBooleanQueryRewrite();</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>  [Serializable]</div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keyword">private</span> <span class="keyword">class </span>ConstantScoreBooleanQueryRewrite:ScoringBooleanQueryRewrite</div> |
| <div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  {</div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keyword">public</span> <span class="keyword">override</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="_more_like_this_8cs.html#a2a6914ea10bbe06764856e29e5674e66">IndexReader</a> reader, <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query.html" title="An abstract Query that matches documents containing a subset of terms provided by a FilteredTermEnum ...">MultiTermQuery</a> query)</div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  {</div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="comment">// strip the scores off</span></div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</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> result = <span class="keyword">new</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_constant_score_query.html" title="A query that wraps a filter and simply returns a constant score equal to the query boost for every do...">ConstantScoreQuery</a>(<span class="keyword">new</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query_wrapper_filter.html" title="Constrains search results to only match those which also match a provided query.">QueryWrapperFilter</a>(base.Rewrite(reader, query)));</div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  result.<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.<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>;</div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">return</span> result;</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>  </div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="comment">// Make sure we are still a singleton even after deserializing</span></div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">protected</span> <span class="keyword">internal</span> <span class="keyword">override</span> System.Object ReadResolve()</div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  {</div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">return</span> Lucene.Net.Search.MultiTermQuery.CONSTANT_SCORE_BOOLEAN_QUERY_REWRITE;</div> |
| <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</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="l00202"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query.html#aac1df425b0c23d03e5a6dd344e3f9447"> 202</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> readonly <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_rewrite_method.html" title="Abstract class that defines how the query is rewritten. ">RewriteMethod</a> CONSTANT_SCORE_BOOLEAN_QUERY_REWRITE = <span class="keyword">new</span> ConstantScoreBooleanQueryRewrite();</div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  </div> |
| <div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  </div> |
| <div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  [Serializable]</div> |
| <div class="line"><a name="l00214"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query_1_1_constant_score_auto_rewrite.html"> 214</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_multi_term_query_1_1_constant_score_auto_rewrite.html" title="A rewrite method that tries to pick the best constant-score rewrite method based on term and document...">ConstantScoreAutoRewrite</a>:<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_rewrite_method.html" title="Abstract class that defines how the query is rewritten. ">RewriteMethod</a></div> |
| <div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  {</div> |
| <div class="line"><a name="l00216"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query_1_1_constant_score_auto_rewrite.html#a09eed45c8867fa31d68ec88990fd8584"> 216</a></span>  <span class="keyword">public</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query_1_1_constant_score_auto_rewrite.html" title="A rewrite method that tries to pick the best constant-score rewrite method based on term and document...">ConstantScoreAutoRewrite</a>()</div> |
| <div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  {</div> |
| <div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  InitBlock();</div> |
| <div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  }</div> |
| <div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keyword">private</span> <span class="keywordtype">void</span> InitBlock()</div> |
| <div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  {</div> |
| <div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  termCountCutoff = DEFAULT_TERM_COUNT_CUTOFF;</div> |
| <div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  docCountPercent = DEFAULT_DOC_COUNT_PERCENT;</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>  </div> |
| <div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="comment">// Defaults derived from rough tests with a 20.0 million</span></div> |
| <div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="comment">// doc Wikipedia index. With more than 350 terms in the</span></div> |
| <div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="comment">// query, the filter method is fastest:</span></div> |
| <div class="line"><a name="l00229"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query_1_1_constant_score_auto_rewrite.html#a9b475098687f073ef4e16a3075525b53"> 229</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">int</span> DEFAULT_TERM_COUNT_CUTOFF = 350;</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="comment">// If the query will hit more than 1 in 1000 of the docs</span></div> |
| <div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="comment">// in the index (0.1%), the filter method is fastest:</span></div> |
| <div class="line"><a name="l00233"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query_1_1_constant_score_auto_rewrite.html#a063ee09e660fd5a58e5a215138e57255"> 233</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">double</span> DEFAULT_DOC_COUNT_PERCENT = 0.1;</div> |
| <div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  </div> |
| <div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keyword">private</span> <span class="keywordtype">int</span> termCountCutoff;</div> |
| <div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keyword">private</span> <span class="keywordtype">double</span> docCountPercent;</div> |
| <div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div> |
| <div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">int</span> TermCountCutoff</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_multi_term_query_1_1_constant_score_auto_rewrite.html#a5f9ab986c0af424474d6f0746041bda5"> 243</a></span>  {</div> |
| <div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keyword">get</span> { <span class="keywordflow">return</span> termCountCutoff; }</div> |
| <div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keyword">set</span> { termCountCutoff = value; }</div> |
| <div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  }</div> |
| <div class="line"><a name="l00247"></a><span class="lineno"> 247</span> </div> |
| <div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">double</span> DocCountPercent</div> |
| <div class="line"><a name="l00255"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query_1_1_constant_score_auto_rewrite.html#ab08aaa6eee145b1945fc9582dade13b7"> 255</a></span>  {</div> |
| <div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keyword">get</span> { <span class="keywordflow">return</span> docCountPercent; }</div> |
| <div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keyword">set</span> { docCountPercent = value; }</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"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query_1_1_constant_score_auto_rewrite.html#acce4c5da7d234f46e5b86ad4dc558ef3"> 260</a></span>  <span class="keyword">public</span> <span class="keyword">override</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="_more_like_this_8cs.html#a2a6914ea10bbe06764856e29e5674e66">IndexReader</a> reader, <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query.html" title="An abstract Query that matches documents containing a subset of terms provided by a FilteredTermEnum ...">MultiTermQuery</a> query)</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>  <span class="comment">// Get the enum and start visiting terms. If we</span></div> |
| <div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="comment">// exhaust the enum before hitting either of the</span></div> |
| <div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="comment">// cutoffs, we use ConstantBooleanQueryRewrite; else,</span></div> |
| <div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="comment">// ConstantFilterRewrite:</span></div> |
| <div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  ICollection<Term> pendingTerms = <span class="keyword">new</span> List<Term>();</div> |
| <div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordtype">int</span> docCountCutoff = (int) ((docCountPercent / 100.0) * reader.MaxDoc);</div> |
| <div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordtype">int</span> termCountLimit = System.Math.Min(<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>.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_query.html#aed4cadbd29766e321ff35a244a339a5c" title="Gets or sets the maximum number of clauses permitted, 1024 by default. Attempts to add more than the ...">MaxClauseCount</a>, termCountCutoff);</div> |
| <div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordtype">int</span> docVisitCount = 0;</div> |
| <div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  </div> |
| <div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_filtered_term_enum.html" title="Abstract class for enumerating a subset of all terms. Term enumerations are always ordered by Term...">FilteredTermEnum</a> enumerator = query.GetEnum(reader);</div> |
| <div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordflow">try</span></div> |
| <div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  {</div> |
| <div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">while</span> (<span class="keyword">true</span>)</div> |
| <div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  {</div> |
| <div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <a class="code" href="_more_like_this_8cs.html#a8797eb30ce21b31829d3e3a43a20e3b9">Term</a> t = enumerator.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_filtered_term_enum.html#ade48f20cda1d3cfafb5f16c92eb71dda" title="Returns the current Term in the enumeration. Returns null if no Term matches or all terms have been e...">Term</a>;</div> |
| <div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">if</span> (t != null)</div> |
| <div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  {</div> |
| <div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  pendingTerms.Add(t);</div> |
| <div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="comment">// Loading the TermInfo from the terms dict here</span></div> |
| <div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="comment">// should not be costly, because 1) the</span></div> |
| <div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="comment">// query/filter will load the TermInfo when it</span></div> |
| <div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="comment">// runs, and 2) the terms dict has a cache:</span></div> |
| <div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  docVisitCount += reader.DocFreq(t);</div> |
| <div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  }</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>  <span class="keywordflow">if</span> (pendingTerms.Count >= termCountLimit || docVisitCount >= docCountCutoff)</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="comment">// Too many terms -- make a filter.</span></div> |
| <div class="line"><a name="l00290"></a><span class="lineno"> 290</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> result = <span class="keyword">new</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_constant_score_query.html" title="A query that wraps a filter and simply returns a constant score equal to the query boost for every do...">ConstantScoreQuery</a>(<span class="keyword">new</span> MultiTermQueryWrapperFilter<MultiTermQuery>(query));</div> |
| <div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  result.<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.<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>;</div> |
| <div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">return</span> result;</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>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!enumerator.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_filtered_term_enum.html#a4bfec678e04824c242c337bf5e9419bc" title="Increments the enumeration to the next element. True if one exists. ">Next</a>())</div> |
| <div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  {</div> |
| <div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="comment">// Enumeration is done, and we hit a small</span></div> |
| <div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="comment">// enough number of terms & docs -- just make a</span></div> |
| <div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="comment">// BooleanQuery, now</span></div> |
| <div class="line"><a name="l00299"></a><span class="lineno"> 299</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 = <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="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">foreach</span>(<a class="code" href="_more_like_this_8cs.html#a8797eb30ce21b31829d3e3a43a20e3b9">Term</a> term <span class="keywordflow">in</span> pendingTerms)</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>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_term_query.html" title="A Query that matches documents containing a term. This may be combined with other terms with a Boolea...">TermQuery</a> tq = <span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#a13f0b68c1e7c8f509c3a0be1441df5d9">TermQuery</a>(term);</div> |
| <div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  bq.Add(tq, <a class="code" href="namespace_lucene_1_1_net_1_1_search.html#a99a7442e50a0ff52bf00ddb319eb9d34">Occur</a>.SHOULD);</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">// Strip scores</span></div> |
| <div class="line"><a name="l00306"></a><span class="lineno"> 306</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> result = <span class="keyword">new</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_constant_score_query.html" title="A query that wraps a filter and simply returns a constant score equal to the query boost for every do...">ConstantScoreQuery</a>(<span class="keyword">new</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query_wrapper_filter.html" title="Constrains search results to only match those which also match a provided query.">QueryWrapperFilter</a>(bq));</div> |
| <div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  result.<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.<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>;</div> |
| <div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  query.IncTotalNumberOfTerms(pendingTerms.Count);</div> |
| <div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="keywordflow">return</span> result;</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>  }</div> |
| <div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keywordflow">finally</span></div> |
| <div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  {</div> |
| <div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  enumerator.Close();</div> |
| <div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  }</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>  </div> |
| <div class="line"><a name="l00319"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query_1_1_constant_score_auto_rewrite.html#adc0920e090957c5d2b47e7e16be7c991"> 319</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">int</span> GetHashCode()</div> |
| <div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  {</div> |
| <div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keywordtype">int</span> prime = 1279;</div> |
| <div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordflow">return</span> (<span class="keywordtype">int</span>) (prime * termCountCutoff + BitConverter.DoubleToInt64Bits(docCountPercent));</div> |
| <div class="line"><a name="l00323"></a><span class="lineno"> 323</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"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query_1_1_constant_score_auto_rewrite.html#a5eee3906b368fb055ce333fb14725906"> 325</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="l00326"></a><span class="lineno"> 326</span>  {</div> |
| <div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordflow">if</span> (<span class="keyword">this</span> == obj)</div> |
| <div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="keywordflow">if</span> (obj == null)</div> |
| <div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordflow">if</span> (GetType() != obj.GetType())</div> |
| <div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  </div> |
| <div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query_1_1_constant_score_auto_rewrite.html" title="A rewrite method that tries to pick the best constant-score rewrite method based on term and document...">ConstantScoreAutoRewrite</a> other = (<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query_1_1_constant_score_auto_rewrite.html" title="A rewrite method that tries to pick the best constant-score rewrite method based on term and document...">ConstantScoreAutoRewrite</a>) obj;</div> |
| <div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordflow">if</span> (other.termCountCutoff != termCountCutoff)</div> |
| <div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  {</div> |
| <div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  }</div> |
| <div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  </div> |
| <div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordflow">if</span> (BitConverter.DoubleToInt64Bits(other.docCountPercent) != BitConverter.DoubleToInt64Bits(docCountPercent))</div> |
| <div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  {</div> |
| <div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</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>  </div> |
| <div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordflow">return</span> <span class="keyword">true</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>  }</div> |
| <div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  </div> |
| <div class="line"><a name="l00362"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query.html#a6a7dcb5bccca90ab5ff7efbaf5c4f5ab"> 362</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> readonly <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_rewrite_method.html" title="Abstract class that defines how the query is rewritten. ">RewriteMethod</a> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query.html#a6a7dcb5bccca90ab5ff7efbaf5c4f5ab" title="Read-only default instance of ConstantScoreAutoRewrite , with ConstantScoreAutoRewrite.TermCountCutoff set to ConstantScoreAutoRewrite.DEFAULT_TERM_COUNT_CUTOFF">CONSTANT_SCORE_AUTO_REWRITE_DEFAULT</a>;</div> |
| <div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  </div> |
| <div class="line"><a name="l00367"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query.html#a4665283f73cc07695dbd13eb9dc29416"> 367</a></span>  <span class="keyword">protected</span> <a class="code" href="_query_parser_8cs.html#a45d897238ea15e63a6bfd530a8d0c652">MultiTermQuery</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>  }</div> |
| <div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  </div> |
| <div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keyword">protected</span> <span class="keyword">internal</span> <span class="keyword">abstract</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_filtered_term_enum.html" title="Abstract class for enumerating a subset of all terms. Term enumerations are always ordered by Term...">FilteredTermEnum</a> GetEnum(<a class="code" href="_more_like_this_8cs.html#a2a6914ea10bbe06764856e29e5674e66">IndexReader</a> reader);</div> |
| <div class="line"><a name="l00373"></a><span class="lineno"> 373</span> </div> |
| <div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">int</span> TotalNumberOfTerms</div> |
| <div class="line"><a name="l00390"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query.html#afd77e79827ffd5909222e871ceb72ff0"> 390</a></span>  {</div> |
| <div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keyword">get</span> { <span class="keywordflow">return</span> numberOfTerms; }</div> |
| <div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  }</div> |
| <div class="line"><a name="l00393"></a><span class="lineno"> 393</span> </div> |
| <div class="line"><a name="l00399"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query.html#ae172cdafa703ca97e1a621ae37251496"> 399</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> ClearTotalNumberOfTerms()</div> |
| <div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  {</div> |
| <div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  numberOfTerms = 0;</div> |
| <div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  }</div> |
| <div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  </div> |
| <div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="keyword">protected</span> <span class="keyword">internal</span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> IncTotalNumberOfTerms(<span class="keywordtype">int</span> inc)</div> |
| <div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  {</div> |
| <div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  numberOfTerms += inc;</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>  </div> |
| <div class="line"><a name="l00409"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query.html#a820087e6626e5407db317d8f4a6d7444"> 409</a></span>  <span class="keyword">public</span> <span class="keyword">override</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="_more_like_this_8cs.html#a2a6914ea10bbe06764856e29e5674e66">IndexReader</a> reader)</div> |
| <div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  {</div> |
| <div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keywordflow">return</span> internalRewriteMethod.<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>(reader, <span class="keyword">this</span>);</div> |
| <div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  }</div> |
| <div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  </div> |
| <div class="line"><a name="l00418"></a><span class="lineno"> 418</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_rewrite_method.html" title="Abstract class that defines how the query is rewritten. ">RewriteMethod</a> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_rewrite_method.html" title="Abstract class that defines how the query is rewritten. ">RewriteMethod</a></div> |
| <div class="line"><a name="l00419"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query.html#ac8818f65f1cc68a3bab09c01b7c444cc"> 419</a></span>  {</div> |
| <div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keyword">get</span> { <span class="keywordflow">return</span> internalRewriteMethod; }</div> |
| <div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keyword">set</span> { internalRewriteMethod = value; }</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> </div> |
| <div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="comment">//@Override</span></div> |
| <div class="line"><a name="l00425"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query.html#ac3e1828bffaf9bcf963a6a4b49b49f1b"> 425</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">int</span> GetHashCode()</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>  <span class="keywordtype">int</span> prime = 31;</div> |
| <div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordtype">int</span> result = 1;</div> |
| <div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  result = prime * result + System.Convert.ToInt32(Boost);</div> |
| <div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  result = prime * result;</div> |
| <div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  result += internalRewriteMethod.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_query.html#aed94af5862c8b11c20bd2396ff962768" title="Returns a hash code value for this object.">GetHashCode</a>();</div> |
| <div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="keywordflow">return</span> result;</div> |
| <div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  }</div> |
| <div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  </div> |
| <div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="comment">//@Override</span></div> |
| <div class="line"><a name="l00436"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query.html#afe4396a7787b40541182d96e15fc19a7"> 436</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="l00437"></a><span class="lineno"> 437</span>  {</div> |
| <div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keywordflow">if</span> (<span class="keyword">this</span> == obj)</div> |
| <div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keywordflow">if</span> (obj == null)</div> |
| <div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="keywordflow">if</span> (GetType() != obj.GetType())</div> |
| <div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query.html" title="An abstract Query that matches documents containing a subset of terms provided by a FilteredTermEnum ...">MultiTermQuery</a> other = (<a class="code" href="_query_parser_8cs.html#a45d897238ea15e63a6bfd530a8d0c652">MultiTermQuery</a>) obj;</div> |
| <div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keywordflow">if</span> (System.Convert.ToInt32(Boost) != System.Convert.ToInt32(other.<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>))</div> |
| <div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keywordflow">if</span> (!internalRewriteMethod.Equals(other.internalRewriteMethod))</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>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</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>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</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>  <span class="keyword">static</span> <a class="code" href="_query_parser_8cs.html#a45d897238ea15e63a6bfd530a8d0c652">MultiTermQuery</a>()</div> |
| <div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  {</div> |
| <div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  CONSTANT_SCORE_AUTO_REWRITE_DEFAULT = <span class="keyword">new</span> AnonymousClassConstantScoreAutoRewrite();</div> |
| <div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  }</div> |
| <div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  }</div> |
| <div class="line"><a name="l00458"></a><span class="lineno"> 458</span> </div> |
| <div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  [Serializable]</div> |
| <div class="line"><a name="l00461"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_rewrite_method.html"> 461</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_rewrite_method.html" title="Abstract class that defines how the query is rewritten. ">RewriteMethod</a></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>  <span class="keyword">public</span> <span class="keyword">abstract</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="_more_like_this_8cs.html#a2a6914ea10bbe06764856e29e5674e66">IndexReader</a> reader, <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_term_query.html" title="An abstract Query that matches documents containing a subset of terms provided by a FilteredTermEnum ...">MultiTermQuery</a> query);</div> |
| <div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  }</div> |
| <div class="line"><a name="l00465"></a><span class="lineno"> 465</span> }</div> |
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