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<div class="title">MultiFieldQueryParser.cs</div> </div>
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<a href="_multi_field_query_parser_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>&#160;<span class="comment">/* </span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<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>&#160;<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>&#160;<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>&#160;<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>&#160;<span class="comment"> * (the &quot;License&quot;); you may not use this file except in compliance with</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<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>&#160;<span class="comment"> * </span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<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>&#160;<span class="comment"> * </span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<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>&#160;<span class="comment"> * distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<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>&#160;<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>&#160;<span class="comment"> * limitations under the License.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="keyword">using</span> System;</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="keyword">using</span> System.Collections.Generic;</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="keyword">using</span> Lucene.Net.Search;</div>
<div class="line"><a name="l00021"></a><span class="lineno"><a class="code" href="_multi_field_query_parser_8cs.html#a7f807a855319cb4e1efa0e1fcd2a537f"> 21</a></span>&#160;<span class="keyword">using</span> <a class="code" href="_more_like_this_8cs.html#a7f807a855319cb4e1efa0e1fcd2a537f">Analyzer</a> = Lucene.Net.Analysis.Analyzer;</div>
<div class="line"><a name="l00022"></a><span class="lineno"><a class="code" href="_multi_field_query_parser_8cs.html#a53e74846024ac804f694b882eea1936c"> 22</a></span>&#160;<span class="keyword">using</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_clause.html" title="A clause in a BooleanQuery. ">BooleanClause</a> = Lucene.Net.Search.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_clause.html#a4b47dba34226b48f8ec7e2c60f380239" title="Constructs a BooleanClause.">BooleanClause</a>;</div>
<div class="line"><a name="l00023"></a><span class="lineno"><a class="code" href="_multi_field_query_parser_8cs.html#ae2b9948961aeea34f9c4e4955536f433"> 23</a></span>&#160;<span class="keyword">using</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> = Lucene.Net.Search.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_query.html#a968b11ddc482cc691a4c794b9511e244" title="Constructs an empty boolean query. ">BooleanQuery</a>;</div>
<div class="line"><a name="l00024"></a><span class="lineno"><a class="code" href="_multi_field_query_parser_8cs.html#a777364258387f83212556dce74b9d088"> 24</a></span>&#160;<span class="keyword">using</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_phrase_query.html" title="MultiPhraseQuery is a generalized version of PhraseQuery, with an added method Add(Term[]). To use this class, to search for the phrase &quot;Microsoft app*&quot; first use add(Term) on the term &quot;Microsoft&quot;, then find all terms that have &quot;app&quot; as prefix using IndexReader.terms(Term), and use MultiPhraseQuery.add(Term[] terms) to add them to the query.">MultiPhraseQuery</a> = Lucene.Net.Search.MultiPhraseQuery;</div>
<div class="line"><a name="l00025"></a><span class="lineno"><a class="code" href="_multi_field_query_parser_8cs.html#a945cd0e79343408e87508a19920e3941"> 25</a></span>&#160;<span class="keyword">using</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_phrase_query.html" title="A Query that matches documents containing a particular sequence of terms. A PhraseQuery is built by Q...">PhraseQuery</a> = Lucene.Net.Search.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_phrase_query.html#ab0768d0cdfc077d6fcf2236edcbac24a" title="Constructs an empty phrase query. ">PhraseQuery</a>;</div>
<div class="line"><a name="l00026"></a><span class="lineno"><a class="code" href="_multi_field_query_parser_8cs.html#accbc7c5687907350ba0e2681b41e1b0d"> 26</a></span>&#160;<span class="keyword">using</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> = Lucene.Net.Search.Query;</div>
<div class="line"><a name="l00027"></a><span class="lineno"><a class="code" href="_multi_field_query_parser_8cs.html#a63c914dcb7d19365ff0f7c6ea7ef77c4"> 27</a></span>&#160;<span class="keyword">using</span> <a class="code" href="_arabic_analyzer_8cs.html#a63c914dcb7d19365ff0f7c6ea7ef77c4">Version</a> = Lucene.Net.Util.Version;</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="keyword">namespace </span>Lucene.Net.QueryParsers</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;{</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;</div>
<div class="line"><a name="l00037"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_query_parsers_1_1_multi_field_query_parser.html"> 37</a></span>&#160; <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="class_lucene_1_1_net_1_1_query_parsers_1_1_multi_field_query_parser.html" title="A QueryParser which constructs queries to search multiple fields.">MultiFieldQueryParser</a> : <a class="code" href="class_lucene_1_1_net_1_1_query_parsers_1_1_query_parser.html" title="This class is generated by JavaCC. The most important method is Parse(String).">QueryParser</a></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; {</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="keyword">protected</span> <span class="keyword">internal</span> <span class="keywordtype">string</span>[] fields;</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keyword">protected</span> <span class="keyword">internal</span> IDictionary&lt;string, float&gt; boosts;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;</div>
<div class="line"><a name="l00076"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_query_parsers_1_1_multi_field_query_parser.html#ab23ac6174e400100db7b842625aa286d"> 76</a></span>&#160; <span class="keyword">public</span> <a class="code" href="class_lucene_1_1_net_1_1_query_parsers_1_1_multi_field_query_parser.html" title="A QueryParser which constructs queries to search multiple fields.">MultiFieldQueryParser</a>(<a class="code" href="_arabic_analyzer_8cs.html#a63c914dcb7d19365ff0f7c6ea7ef77c4">Version</a> matchVersion, <span class="keywordtype">string</span>[] fields, <a class="code" href="_more_like_this_8cs.html#a7f807a855319cb4e1efa0e1fcd2a537f">Analyzer</a> analyzer, IDictionary&lt;string, float&gt; boosts)</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; : this(matchVersion, fields, analyzer)</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; {</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; this.boosts = boosts;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; }</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;</div>
<div class="line"><a name="l00107"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_query_parsers_1_1_multi_field_query_parser.html#a04bcf59d4c25f39c11db42dd39e13000"> 107</a></span>&#160; <span class="keyword">public</span> <a class="code" href="class_lucene_1_1_net_1_1_query_parsers_1_1_multi_field_query_parser.html" title="A QueryParser which constructs queries to search multiple fields.">MultiFieldQueryParser</a>(<a class="code" href="_arabic_analyzer_8cs.html#a63c914dcb7d19365ff0f7c6ea7ef77c4">Version</a> matchVersion, System.String[] fields, <a class="code" href="_more_like_this_8cs.html#a7f807a855319cb4e1efa0e1fcd2a537f">Analyzer</a> analyzer)</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; : base(matchVersion, null, analyzer)</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; {</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; this.fields = fields;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; }</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="keyword">protected</span> <span class="keyword">internal</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> GetFieldQuery(<span class="keywordtype">string</span> field, <span class="keywordtype">string</span> queryText, <span class="keywordtype">int</span> slop)</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; {</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="keywordflow">if</span> (field == null)</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; {</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; IList&lt;BooleanClause&gt; clauses = <span class="keyword">new</span> List&lt;BooleanClause&gt;();</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; fields.Length; i++)</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; {</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <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> q = base.GetFieldQuery(fields[i], queryText);</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <span class="keywordflow">if</span> (q != null)</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; {</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="comment">//If the user passes a map of boosts</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <span class="keywordflow">if</span> (boosts != null)</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; {</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <span class="comment">//Get the boost from the map and apply them</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <a class="code" href="_float_encoder_8cs.html#abe0c8eb128f6ce2ea282281c4fc06088">Single</a> boost = boosts[fields[i]];</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; q.<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> = boost;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; }</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; ApplySlop(q, slop);</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; clauses.Add(<span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#a53e74846024ac804f694b882eea1936c">BooleanClause</a>(q, <a class="code" href="namespace_lucene_1_1_net_1_1_search.html#a99a7442e50a0ff52bf00ddb319eb9d34">Occur</a>.SHOULD));</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; }</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; }</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="keywordflow">if</span> (clauses.Count == 0)</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <span class="comment">// happens for stopwords</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="keywordflow">return</span> null;</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; <span class="keywordflow">return</span> GetBooleanQuery(clauses, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; }</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <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> q2 = base.GetFieldQuery(field, queryText);</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; ApplySlop(q2, slop);</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <span class="keywordflow">return</span> q2;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; }</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160;</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="keyword">private</span> <span class="keywordtype">void</span> ApplySlop(<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> q, <span class="keywordtype">int</span> slop)</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; {</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="keywordflow">if</span> (q is <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_phrase_query.html" title="A Query that matches documents containing a particular sequence of terms. A PhraseQuery is built by Q...">PhraseQuery</a>)</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; {</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; ((<a class="code" href="_abstract_field_8cs.html#a945cd0e79343408e87508a19920e3941">PhraseQuery</a>)q).Slop = slop;</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; }</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; <span class="keywordflow">else</span> <span class="keywordflow">if</span> (q is <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_phrase_query.html" title="MultiPhraseQuery is a generalized version of PhraseQuery, with an added method Add(Term[]). To use this class, to search for the phrase &quot;Microsoft app*&quot; first use add(Term) on the term &quot;Microsoft&quot;, then find all terms that have &quot;app&quot; as prefix using IndexReader.terms(Term), and use MultiPhraseQuery.add(Term[] terms) to add them to the query.">MultiPhraseQuery</a>)</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; {</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; ((<a class="code" href="_multi_field_query_parser_8cs.html#a777364258387f83212556dce74b9d088">MultiPhraseQuery</a>)q).Slop = slop;</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; }</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; }</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <span class="keyword">protected</span> <span class="keyword">internal</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> GetFieldQuery(System.String field, System.String queryText)</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; {</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; <span class="keywordflow">return</span> GetFieldQuery(field, queryText, 0);</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; }</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160;</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <span class="keyword">protected</span> <span class="keyword">internal</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> GetFuzzyQuery(System.String field, System.String termStr, <span class="keywordtype">float</span> minSimilarity)</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; {</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="keywordflow">if</span> (field == null)</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; {</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; IList&lt;BooleanClause&gt; clauses = <span class="keyword">new</span> List&lt;BooleanClause&gt;();</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; fields.Length; i++)</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; {</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; clauses.Add(<span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#a53e74846024ac804f694b882eea1936c">BooleanClause</a>(GetFuzzyQuery(fields[i], termStr, minSimilarity), <a class="code" href="namespace_lucene_1_1_net_1_1_search.html#a99a7442e50a0ff52bf00ddb319eb9d34">Occur</a>.SHOULD));</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; }</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; <span class="keywordflow">return</span> GetBooleanQuery(clauses, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; }</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <span class="keywordflow">return</span> base.GetFuzzyQuery(field, termStr, minSimilarity);</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; }</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160;</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <span class="keyword">protected</span> <span class="keyword">internal</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> GetPrefixQuery(System.String field, System.String termStr)</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; {</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <span class="keywordflow">if</span> (field == null)</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; {</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; IList&lt;BooleanClause&gt; clauses = <span class="keyword">new</span> List&lt;BooleanClause&gt;();</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; fields.Length; i++)</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; {</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; clauses.Add(<span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#a53e74846024ac804f694b882eea1936c">BooleanClause</a>(GetPrefixQuery(fields[i], termStr), <a class="code" href="namespace_lucene_1_1_net_1_1_search.html#a99a7442e50a0ff52bf00ddb319eb9d34">Occur</a>.SHOULD));</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; }</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; <span class="keywordflow">return</span> GetBooleanQuery(clauses, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; }</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; <span class="keywordflow">return</span> base.GetPrefixQuery(field, termStr);</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; }</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160;</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; <span class="keyword">protected</span> <span class="keyword">internal</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> GetWildcardQuery(System.String field, System.String termStr)</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; {</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; <span class="keywordflow">if</span> (field == null)</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; {</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; IList&lt;BooleanClause&gt; clauses = <span class="keyword">new</span> List&lt;BooleanClause&gt;();</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; fields.Length; i++)</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; {</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; clauses.Add(<span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#a53e74846024ac804f694b882eea1936c">BooleanClause</a>(GetWildcardQuery(fields[i], termStr), <a class="code" href="namespace_lucene_1_1_net_1_1_search.html#a99a7442e50a0ff52bf00ddb319eb9d34">Occur</a>.SHOULD));</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; }</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; <span class="keywordflow">return</span> GetBooleanQuery(clauses, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; }</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; <span class="keywordflow">return</span> base.GetWildcardQuery(field, termStr);</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; }</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160;</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160;</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; <span class="keyword">protected</span> <span class="keyword">internal</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> GetRangeQuery(System.String field, System.String part1, System.String part2, <span class="keywordtype">bool</span> inclusive)</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; {</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; <span class="keywordflow">if</span> (field == null)</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; {</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; IList&lt;BooleanClause&gt; clauses = <span class="keyword">new</span> List&lt;BooleanClause&gt;();</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; fields.Length; i++)</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; {</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; clauses.Add(<span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#a53e74846024ac804f694b882eea1936c">BooleanClause</a>(GetRangeQuery(fields[i], part1, part2, inclusive), <a class="code" href="namespace_lucene_1_1_net_1_1_search.html#a99a7442e50a0ff52bf00ddb319eb9d34">Occur</a>.SHOULD));</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; }</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; <span class="keywordflow">return</span> GetBooleanQuery(clauses, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; }</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; <span class="keywordflow">return</span> base.GetRangeQuery(field, part1, part2, inclusive);</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; }</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160;</div>
<div class="line"><a name="l00245"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_query_parsers_1_1_multi_field_query_parser.html#ae85abc079a2e979597d5961e2ccc77ef"> 245</a></span>&#160; <span class="keyword">public</span> <span class="keyword">static</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html" title="The abstract base class for queries. Instantiable subclasses are: TermQuery MultiTermQuery BooleanQ...">Query</a> Parse(<a class="code" href="_arabic_analyzer_8cs.html#a63c914dcb7d19365ff0f7c6ea7ef77c4">Version</a> matchVersion, System.String[] queries, System.String[] fields, <a class="code" href="_more_like_this_8cs.html#a7f807a855319cb4e1efa0e1fcd2a537f">Analyzer</a> analyzer)</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; {</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; <span class="keywordflow">if</span> (queries.Length != fields.Length)</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; <span class="keywordflow">throw</span> <span class="keyword">new</span> System.ArgumentException(<span class="stringliteral">&quot;queries.length != fields.length&quot;</span>);</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; <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> bQuery = <span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#ae2b9948961aeea34f9c4e4955536f433">BooleanQuery</a>();</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; fields.Length; i++)</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; {</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160; <a class="code" href="class_lucene_1_1_net_1_1_query_parsers_1_1_query_parser.html" title="This class is generated by JavaCC. The most important method is Parse(String).">QueryParser</a> qp = <span class="keyword">new</span> <a class="code" href="_stop_filter_8cs.html#a60340f60ee092cf9082b16fe7b2ed03f">QueryParser</a>(matchVersion, fields[i], analyzer);</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160; <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> q = qp.<a class="code" href="class_lucene_1_1_net_1_1_query_parsers_1_1_query_parser.html#a4883b4d71854640edf5307f74a72aeb4" title="Parses a query string, returning a Lucene.Net.Search.Query.">Parse</a>(queries[i]);</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; <span class="keywordflow">if</span> (q != null &amp;&amp; (!(q is <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_query.html" title="A Query that matches documents matching boolean combinations of other queries, e.g. TermQuerys, PhraseQuerys or other BooleanQuerys. ">BooleanQuery</a>) || ((BooleanQuery)q).GetClauses().Length &gt; 0))</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160; {</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160; bQuery.<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>(q, <a class="code" href="namespace_lucene_1_1_net_1_1_search.html#a99a7442e50a0ff52bf00ddb319eb9d34">Occur</a>.SHOULD);</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; }</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; }</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; <span class="keywordflow">return</span> bQuery;</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160; }</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160;</div>
<div class="line"><a name="l00299"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_query_parsers_1_1_multi_field_query_parser.html#a64cb90e64d3ff176464736a7df9087e2"> 299</a></span>&#160; <span class="keyword">public</span> <span class="keyword">static</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html" title="The abstract base class for queries. Instantiable subclasses are: TermQuery MultiTermQuery BooleanQ...">Query</a> Parse(<a class="code" href="_arabic_analyzer_8cs.html#a63c914dcb7d19365ff0f7c6ea7ef77c4">Version</a> matchVersion, System.String query, System.String[] fields, <a class="code" href="namespace_lucene_1_1_net_1_1_search.html#a99a7442e50a0ff52bf00ddb319eb9d34">Occur</a>[] flags, <a class="code" href="_more_like_this_8cs.html#a7f807a855319cb4e1efa0e1fcd2a537f">Analyzer</a> analyzer)</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160; {</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160; <span class="keywordflow">if</span> (fields.Length != flags.Length)</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>&#160; <span class="keywordflow">throw</span> <span class="keyword">new</span> System.ArgumentException(<span class="stringliteral">&quot;fields.length != flags.length&quot;</span>);</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>&#160; <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> bQuery = <span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#ae2b9948961aeea34f9c4e4955536f433">BooleanQuery</a>();</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; fields.Length; i++)</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>&#160; {</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160; <a class="code" href="class_lucene_1_1_net_1_1_query_parsers_1_1_query_parser.html" title="This class is generated by JavaCC. The most important method is Parse(String).">QueryParser</a> qp = <span class="keyword">new</span> <a class="code" href="_stop_filter_8cs.html#a60340f60ee092cf9082b16fe7b2ed03f">QueryParser</a>(matchVersion, fields[i], analyzer);</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160; <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> q = qp.<a class="code" href="class_lucene_1_1_net_1_1_query_parsers_1_1_query_parser.html#a4883b4d71854640edf5307f74a72aeb4" title="Parses a query string, returning a Lucene.Net.Search.Query.">Parse</a>(query);</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>&#160; <span class="keywordflow">if</span> (q != null &amp;&amp; (!(q is <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_query.html" title="A Query that matches documents matching boolean combinations of other queries, e.g. TermQuerys, PhraseQuerys or other BooleanQuerys. ">BooleanQuery</a>) || ((BooleanQuery)q).GetClauses().Length &gt; 0))</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>&#160; {</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>&#160; bQuery.<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>(q, flags[i]);</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>&#160; }</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>&#160; }</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>&#160; <span class="keywordflow">return</span> bQuery;</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160; }</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160;</div>
<div class="line"><a name="l00353"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_query_parsers_1_1_multi_field_query_parser.html#a70aef4339a397c9c404de641c79b8cec"> 353</a></span>&#160; <span class="keyword">public</span> <span class="keyword">static</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_query.html" title="The abstract base class for queries. Instantiable subclasses are: TermQuery MultiTermQuery BooleanQ...">Query</a> Parse(<a class="code" href="_arabic_analyzer_8cs.html#a63c914dcb7d19365ff0f7c6ea7ef77c4">Version</a> matchVersion, System.String[] queries, System.String[] fields, <a class="code" href="namespace_lucene_1_1_net_1_1_search.html#a99a7442e50a0ff52bf00ddb319eb9d34">Occur</a>[] flags, <a class="code" href="_more_like_this_8cs.html#a7f807a855319cb4e1efa0e1fcd2a537f">Analyzer</a> analyzer)</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>&#160; {</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>&#160; <span class="keywordflow">if</span> (!(queries.Length == fields.Length &amp;&amp; queries.Length == flags.Length))</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>&#160; <span class="keywordflow">throw</span> <span class="keyword">new</span> System.ArgumentException(<span class="stringliteral">&quot;queries, fields, and flags array have have different length&quot;</span>);</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>&#160; <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> bQuery = <span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#ae2b9948961aeea34f9c4e4955536f433">BooleanQuery</a>();</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; fields.Length; i++)</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>&#160; {</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>&#160; <a class="code" href="class_lucene_1_1_net_1_1_query_parsers_1_1_query_parser.html" title="This class is generated by JavaCC. The most important method is Parse(String).">QueryParser</a> qp = <span class="keyword">new</span> <a class="code" href="_stop_filter_8cs.html#a60340f60ee092cf9082b16fe7b2ed03f">QueryParser</a>(matchVersion, fields[i], analyzer);</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>&#160; <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> q = qp.<a class="code" href="class_lucene_1_1_net_1_1_query_parsers_1_1_query_parser.html#a4883b4d71854640edf5307f74a72aeb4" title="Parses a query string, returning a Lucene.Net.Search.Query.">Parse</a>(queries[i]);</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>&#160; <span class="keywordflow">if</span> (q != null &amp;&amp; (!(q is <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_boolean_query.html" title="A Query that matches documents matching boolean combinations of other queries, e.g. TermQuerys, PhraseQuerys or other BooleanQuerys. ">BooleanQuery</a>) || ((BooleanQuery)q).GetClauses().Length &gt; 0))</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>&#160; {</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>&#160; bQuery.<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>(q, flags[i]);</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>&#160; }</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>&#160; }</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>&#160; <span class="keywordflow">return</span> bQuery;</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>&#160; }</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>&#160; }</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>&#160;}</div>
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