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| <a href="_constant_score_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> Lucene.Net.Index;</div> |
| <div class="line"><a name="l00020"></a><span class="lineno"><a class="code" href="_constant_score_query_8cs.html#a2a6914ea10bbe06764856e29e5674e66"> 20</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="l00021"></a><span class="lineno"> 21</span> </div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">namespace </span>Lucene.Net.Search</div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> {</div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  </div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  [Serializable]</div> |
| <div class="line"><a name="l00029"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_constant_score_query.html"> 29</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_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>:<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="l00030"></a><span class="lineno"> 30</span>  {</div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">protected</span> <span class="keyword">internal</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_filter.html" title="Abstract base class for restricting which documents may be returned during searching.">Filter</a> internalFilter;</div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  </div> |
| <div class="line"><a name="l00033"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_constant_score_query.html#a6d1633c3befb537ffed8ad542932562d"> 33</a></span>  <span class="keyword">public</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>(<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_filter.html" title="Abstract base class for restricting which documents may be returned during searching.">Filter</a> filter)</div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  {</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  this.internalFilter = filter;</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  }</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</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_filter.html" title="Abstract base class for restricting which documents may be returned during searching.">Filter</a> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_filter.html" title="Abstract base class for restricting which documents may be returned during searching.">Filter</a></div> |
| <div class="line"><a name="l00040"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_constant_score_query.html#ab04a49b75cd71b25158ab132a3b00f54"> 40</a></span>  {</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">get</span> { <span class="keywordflow">return</span> internalFilter; }</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  }</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div> |
| <div class="line"><a name="l00044"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_constant_score_query.html#a3df949979ce3c7f2f47b8ac6cbc99087"> 44</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="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="l00045"></a><span class="lineno"> 45</span>  {</div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">return</span> <span class="keyword">this</span>;</div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  }</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  </div> |
| <div class="line"><a name="l00049"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_constant_score_query.html#a09f8b9574529a68a689969bbe7aeaaaf"> 49</a></span>  <span class="keyword">public</span> <span class="keyword">override</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="l00050"></a><span class="lineno"> 50</span>  {</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="comment">// OK to not add any terms when used for MultiSearcher,</span></div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="comment">// but may not be OK for highlighting</span></div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  }</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  </div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  [Serializable]</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">protected</span> <span class="keyword">internal</span> <span class="keyword">class </span>ConstantWeight:<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></div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  {</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">private</span> <span class="keywordtype">void</span> InitBlock(<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> enclosingInstance)</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>  this.enclosingInstance = enclosingInstance;</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  }</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">private</span> ConstantScoreQuery enclosingInstance;</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">public</span> ConstantScoreQuery Enclosing_Instance</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  {</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">get</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>  <span class="keywordflow">return</span> enclosingInstance;</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  }</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  </div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  }</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">private</span> readonly <a class="code" href="_documents_writer_8cs.html#a5431a3a4edd067eec50ca39b5ea99c31">Similarity</a> similarity;</div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">private</span> <span class="keywordtype">float</span> queryNorm;</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">private</span> <span class="keywordtype">float</span> queryWeight;</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">public</span> ConstantWeight(ConstantScoreQuery enclosingInstance, <a class="code" href="_document_8cs.html#a4be53b8845ef8ff2a91031c18774a62c">Searcher</a> searcher)</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  {</div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  InitBlock(enclosingInstance);</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  this.similarity = Enclosing_Instance.GetSimilarity(searcher);</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> </div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">public</span> <span class="keyword">override</span> <a class="code" href="_more_like_this_8cs.html#accbc7c5687907350ba0e2681b41e1b0d">Query</a> <a class="code" href="_more_like_this_8cs.html#accbc7c5687907350ba0e2681b41e1b0d">Query</a></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>  <span class="keyword">get</span> { <span class="keywordflow">return</span> Enclosing_Instance; }</div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  }</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> <span class="keywordtype">float</span> Value</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>  <span class="keyword">get</span> { <span class="keywordflow">return</span> queryWeight; }</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> </div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">float</span> GetSumOfSquaredWeights()</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>  queryWeight = Enclosing_Instance.Boost;</div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">return</span> queryWeight*queryWeight;</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> </div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">void</span> Normalize(<span class="keywordtype">float</span> norm)</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>  this.queryNorm = norm;</div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  queryWeight *= this.queryNorm;</div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  </div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">public</span> <span class="keyword">override</span> <a class="code" href="_documents_writer_8cs.html#a83f1a9bf052559c9fc4b5dc2c3d490f1">Scorer</a> <a class="code" href="_documents_writer_8cs.html#a83f1a9bf052559c9fc4b5dc2c3d490f1">Scorer</a>(<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_index_reader.html" title="IndexReader is an abstract class, providing an interface for accessing an index. Search of an index i...">IndexReader</a> reader, <span class="keywordtype">bool</span> scoreDocsInOrder, <span class="keywordtype">bool</span> topScorer)</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>  <span class="keywordflow">return</span> <span class="keyword">new</span> ConstantScorer(enclosingInstance, similarity, reader, <span class="keyword">this</span>);</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">public</span> <span class="keyword">override</span> <a class="code" href="_custom_score_query_8cs.html#aea5b3dcb7c8a52294feb57dcaa878033">Explanation</a> Explain(<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_index_reader.html" title="IndexReader is an abstract class, providing an interface for accessing an index. Search of an index i...">IndexReader</a> reader, <span class="keywordtype">int</span> doc)</div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  {</div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  </div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  var cs = <span class="keyword">new</span> ConstantScorer(enclosingInstance, similarity, reader, <span class="keyword">this</span>);</div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">bool</span> exists = cs.docIdSetIterator.Advance(doc) == doc;</div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  </div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  var result = <span class="keyword">new</span> <a class="code" href="_custom_score_query_8cs.html#aaff36a95cdad7bc1affaff3241d83f90">ComplexExplanation</a>();</div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  </div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">if</span> (exists)</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  {</div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  result.Description = <span class="stringliteral">"ConstantScoreQuery("</span> + Enclosing_Instance.internalFilter + <span class="stringliteral">"), product of:"</span>;</div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  result.Value = queryWeight;</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  System.Boolean tempAux = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  result.Match = tempAux;</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  result.AddDetail(<span class="keyword">new</span> <a class="code" href="_custom_score_query_8cs.html#aea5b3dcb7c8a52294feb57dcaa878033">Explanation</a>(Enclosing_Instance.Boost, <span class="stringliteral">"boost"</span>));</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  result.AddDetail(<span class="keyword">new</span> <a class="code" href="_custom_score_query_8cs.html#aea5b3dcb7c8a52294feb57dcaa878033">Explanation</a>(queryNorm, <span class="stringliteral">"queryNorm"</span>));</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  }</div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">else</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>  result.Description = <span class="stringliteral">"ConstantScoreQuery("</span> + Enclosing_Instance.internalFilter + <span class="stringliteral">") doesn't match id "</span> + doc;</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  result.Value = 0;</div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  System.Boolean tempAux2 = <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  result.Match = tempAux2;</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  }</div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">return</span> result;</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  }</div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  }</div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  </div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keyword">protected</span> <span class="keyword">internal</span> <span class="keyword">class </span>ConstantScorer : <a class="code" href="_documents_writer_8cs.html#a83f1a9bf052559c9fc4b5dc2c3d490f1">Scorer</a></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="keyword">private</span> <span class="keywordtype">void</span> InitBlock(ConstantScoreQuery enclosingInstance)</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>  this.enclosingInstance = enclosingInstance;</div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  }</div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keyword">private</span> ConstantScoreQuery enclosingInstance;</div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">public</span> ConstantScoreQuery Enclosing_Instance</div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  {</div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">get</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">return</span> enclosingInstance;</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>  </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="keyword">internal</span> <a class="code" href="_doc_id_bit_set_8cs.html#adbba0575d48e29661f658fa4071fde4f">DocIdSetIterator</a> docIdSetIterator;</div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keyword">internal</span> <span class="keywordtype">float</span> theScore;</div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">internal</span> <span class="keywordtype">int</span> doc = - 1;</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  </div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keyword">public</span> ConstantScorer(ConstantScoreQuery enclosingInstance, <a class="code" href="_documents_writer_8cs.html#a5431a3a4edd067eec50ca39b5ea99c31">Similarity</a> similarity, <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, <a class="code" href="_documents_writer_8cs.html#af0d29c976e72f83236dc8d0fa23aaf32">Weight</a> w):base(similarity)</div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  {</div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  InitBlock(enclosingInstance);</div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  theScore = w.Value;</div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <a class="code" href="_doc_id_bit_set_8cs.html#a4245eee1c0c260a340820cfe67797b43">DocIdSet</a> docIdSet = Enclosing_Instance.internalFilter.GetDocIdSet(reader);</div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">if</span> (docIdSet == null)</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>  docIdSetIterator = <a class="code" href="_doc_id_bit_set_8cs.html#a4245eee1c0c260a340820cfe67797b43">DocIdSet</a>.EMPTY_DOCIDSET.Iterator();</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>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  {</div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <a class="code" href="_doc_id_bit_set_8cs.html#adbba0575d48e29661f658fa4071fde4f">DocIdSetIterator</a> iter = docIdSet.Iterator();</div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">if</span> (iter == null)</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>  docIdSetIterator = <a class="code" href="_doc_id_bit_set_8cs.html#a4245eee1c0c260a340820cfe67797b43">DocIdSet</a>.EMPTY_DOCIDSET.Iterator();</div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  }</div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">else</span></div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  {</div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  docIdSetIterator = iter;</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>  }</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>  </div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">int</span> NextDoc()</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="keywordflow">return</span> docIdSetIterator.NextDoc();</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="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">int</span> DocID()</div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  {</div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">return</span> docIdSetIterator.DocID();</div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  }</div> |
| <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  </div> |
| <div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">float</span> Score()</div> |
| <div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  {</div> |
| <div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">return</span> theScore;</div> |
| <div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  }</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>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">int</span> Advance(<span class="keywordtype">int</span> target)</div> |
| <div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  {</div> |
| <div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">return</span> docIdSetIterator.Advance(target);</div> |
| <div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  }</div> |
| <div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  }</div> |
| <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  </div> |
| <div class="line"><a name="l00199"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_constant_score_query.html#abcbf388de948c7ad251cdc86e8958bb0"> 199</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_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="l00200"></a><span class="lineno"> 200</span>  {</div> |
| <div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">return</span> <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>.ConstantWeight(<span class="keyword">this</span>, searcher);</div> |
| <div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  }</div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  </div> |
| <div class="line"><a name="l00205"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_constant_score_query.html#a8532e9fc729fc7af686a1f3d19aac0af"> 205</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> System.String ToString(<span class="keywordtype">string</span> field)</div> |
| <div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  {</div> |
| <div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">return</span> <span class="stringliteral">"ConstantScore("</span> + internalFilter + (Boost == 1.0?<span class="stringliteral">")"</span>:<span class="stringliteral">"^"</span> + Boost);</div> |
| <div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  }</div> |
| <div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  </div> |
| <div class="line"><a name="l00211"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_constant_score_query.html#aa42273203f2db2f27d22ca8bee30de0c"> 211</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">bool</span> Equals(System.Object o)</div> |
| <div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  {</div> |
| <div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">if</span> (<span class="keyword">this</span> == o)</div> |
| <div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordflow">if</span> (!(o is <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>))</div> |
| <div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div> |
| <div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  ConstantScoreQuery other = (ConstantScoreQuery) o;</div> |
| <div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">return</span> this.Boost == 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> && internalFilter.Equals(other.internalFilter);</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>  </div> |
| <div class="line"><a name="l00222"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_constant_score_query.html#ac377bb6b27164725564ed904e7fb45c7"> 222</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">int</span> GetHashCode()</div> |
| <div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  {</div> |
| <div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="comment">// Simple add is OK since no existing filter hashcode has a float component.</span></div> |
| <div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">return</span> internalFilter.GetHashCode() + BitConverter.ToInt32(BitConverter.GetBytes(Boost), 0);</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> </div> |
| <div class="line"><a name="l00228"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_constant_score_query.html#a48fcd7218c27df59e2dd704bd91ef257"> 228</a></span>  <span class="keyword">override</span> <span class="keyword">public</span> System.Object Clone()</div> |
| <div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  {</div> |
| <div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="comment">// {{Aroush-1.9}} is this all that we need to clone?!</span></div> |
| <div class="line"><a name="l00231"></a><span class="lineno"> 231</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> clone = (<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>)base.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_constant_score_query.html#a48fcd7218c27df59e2dd704bd91ef257" title="Returns a clone of this query. ">Clone</a>();</div> |
| <div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  clone.internalFilter = (<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_filter.html" title="Abstract base class for restricting which documents may be returned during searching.">Filter</a>)this.internalFilter;</div> |
| <div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">return</span> clone;</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>  }</div> |
| <div class="line"><a name="l00236"></a><span class="lineno"> 236</span> }</div> |
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