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| <li class="navelem"><a class="el" href="dir_3a8d697be1e2feab9f01acc78e9570fb.html">contrib</a></li><li class="navelem"><a class="el" href="dir_b74176e9b136ae5fd1f92ba6aa8f0635.html">SpellChecker</a></li><li class="navelem"><a class="el" href="dir_c95a5775773dcda2349d36377cd28584.html">Spell</a></li> </ul> |
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| <a href="_spell_checker_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> </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> </div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">namespace </span>SpellChecker.Net.Search.Spell</div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> {</div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keyword">using</span> System;</div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keyword">using</span> Lucene.Net.Search;</div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keyword">using</span> Lucene.Net.Store;</div> |
| <div class="line"><a name="l00027"></a><span class="lineno"><a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#a23ab6df50624826313bb28082de9b0e8"> 27</a></span>  <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="l00028"></a><span class="lineno"><a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#aac1ada204a22fd98e433024343db5339"> 28</a></span>  <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="l00029"></a><span class="lineno"><a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#a09ca88ecfd50bf7b75997e3fe8df6698"> 29</a></span>  <span class="keyword">using</span> <a class="code" href="class_lucene_1_1_net_1_1_store_1_1_directory.html" title="A Directory is a flat list of files. Files may be written once, when they are created. Once a file is created it may only be opened for read, or deleted. Random access is permitted both when reading and writing.">Directory</a> = Lucene.Net.Store.Directory;</div> |
| <div class="line"><a name="l00030"></a><span class="lineno"><a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#a9d45823982aea0e6afc24f88a8208e79"> 30</a></span>  <span class="keyword">using</span> <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#a9d45823982aea0e6afc24f88a8208e79">Document</a> = Lucene.Net.Documents.Document;</div> |
| <div class="line"><a name="l00031"></a><span class="lineno"><a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#a844ec5ef528538a3dc0e6cbb34c5e698"> 31</a></span>  <span class="keyword">using</span> <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#a844ec5ef528538a3dc0e6cbb34c5e698">Field</a> = Lucene.Net.Documents.Field;</div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">using</span> <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#a2b2d16da8a4d1c2bd29999dd6b61d08a">IndexReader</a> = Lucene.Net.Index.IndexReader;</div> |
| <div class="line"><a name="l00033"></a><span class="lineno"><a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#a2097ae040673bd33039d3e65cd346da2"> 33</a></span>  <span class="keyword">using</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_index_searcher.html" title="Implements search over a single IndexReader.">IndexSearcher</a> = Lucene.Net.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_index_searcher.html#abf7c93a75b6328ce85bb40ef1146e86d" title="Expert: Low-level search implementation. Finds the top n hits for query, applying filter if non-null...">Search</a>.IndexSearcher;</div> |
| <div class="line"><a name="l00034"></a><span class="lineno"><a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#aff095a1e1a1049e3e38e12fe200adcef"> 34</a></span>  <span class="keyword">using</span> <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#aff095a1e1a1049e3e38e12fe200adcef">IndexWriter</a> = Lucene.Net.Index.IndexWriter;</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"><a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#a268df8cef76ff17cfd4661354227a725"> 35</a></span>  <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="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">using</span> <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#a76d265958bda5fdc58d4d962d449cdb0">Term</a> = Lucene.Net.Index.Term;</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"><a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#abf337082ee3cc8510183bf998b8316b0"> 37</a></span>  <span class="keyword">using</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> = Lucene.Net.Search.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_term_query.html#a0cbb362ee8b86a0d927a5750c7545d3b" title="Constructs a query for the term t. ">TermQuery</a>;</div> |
| <div class="line"><a name="l00038"></a><span class="lineno"><a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#a716c3d84abee26949cafe0723ec2ddb2"> 38</a></span>  <span class="keyword">using</span> <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#a716c3d84abee26949cafe0723ec2ddb2">WhitespaceAnalyzer</a> = Lucene.Net.Analysis.WhitespaceAnalyzer;</div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  </div> |
| <div class="line"><a name="l00062"></a><span class="lineno"><a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_spell_checker.html"> 62</a></span>  <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_spell_checker.html">SpellChecker</a> : IDisposable</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  {</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"><a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_spell_checker.html#ae60f8d8a28c0371b0fa1bd5a16cb6903"> 65</a></span>  <span class="keyword">public</span> <span class="keyword">const</span> System.String F_WORD = <span class="stringliteral">"word"</span>;</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">private</span> readonly <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#a76d265958bda5fdc58d4d962d449cdb0">Term</a> F_WORD_TERM = <span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#a8797eb30ce21b31829d3e3a43a20e3b9">Term</a>(F_WORD);</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">internal</span> <a class="code" href="class_lucene_1_1_net_1_1_store_1_1_directory.html" title="A Directory is a flat list of files. Files may be written once, when they are created. Once a file is created it may only be opened for read, or deleted. Random access is permitted both when reading and writing.">Directory</a> spellindex;</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">private</span> <span class="keyword">const</span> <span class="keywordtype">float</span> bStart = 2.0f;</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">private</span> <span class="keyword">const</span> <span class="keywordtype">float</span> bEnd = 1.0f;</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="comment">// don't use this searcher directly - see #swapSearcher()</span></div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">private</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_index_searcher.html" title="Implements search over a single IndexReader.">IndexSearcher</a> searcher;</div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">private</span> <span class="keyword">static</span> readonly System.Object searcherLock = <span class="keyword">new</span> System.Object();</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="comment">/*</span></div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment"> * this lock synchronizes all possible modifications to the </span></div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment"> * current index directory. It should not be possible to try modifying</span></div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment"> * the same index concurrently. Note: Do not acquire the searcher lock</span></div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment"> * before acquiring this lock! </span></div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment"> */</span></div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">private</span> <span class="keyword">static</span> readonly System.Object modifyCurrentIndexLock = <span class="keyword">new</span> System.Object();</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">private</span> <span class="keyword">volatile</span> <span class="keywordtype">bool</span> closed = <span class="keyword">false</span>;</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>  <span class="keyword">internal</span> <span class="keywordtype">float</span> minScore = 0.5f; <span class="comment">//LUCENENET-359 Spellchecker accuracy gets overwritten</span></div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">private</span> <a class="code" href="interface_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_string_distance.html" title="Interface for string distances. ">StringDistance</a> sd;</div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div> |
| <div class="line"><a name="l00102"></a><span class="lineno"><a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_spell_checker.html#a3e159b093d52d5c2c0e52a69a45a8788"> 102</a></span>  <span class="keyword">public</span> <a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_spell_checker.html">SpellChecker</a>(<a class="code" href="class_lucene_1_1_net_1_1_store_1_1_directory.html" title="A Directory is a flat list of files. Files may be written once, when they are created. Once a file is created it may only be opened for read, or deleted. Random access is permitted both when reading and writing.">Directory</a> spellIndex, <a class="code" href="interface_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_string_distance.html" title="Interface for string distances. ">StringDistance</a> sd)</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  {</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  this.SetSpellIndex(spellIndex);</div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  this.setStringDistance(sd);</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="l00114"></a><span class="lineno"><a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_spell_checker.html#ade65f6d15a5c79120e4b2ba3ba852ac4"> 114</a></span>  <span class="keyword">public</span> <a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_spell_checker.html">SpellChecker</a>(<a class="code" href="class_lucene_1_1_net_1_1_store_1_1_directory.html" title="A Directory is a flat list of files. Files may be written once, when they are created. Once a file is created it may only be opened for read, or deleted. Random access is permitted both when reading and writing.">Directory</a> spellIndex)</div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  : this(spellIndex, new <a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_levenshtein_distance.html" title="Levenshtein edit distance ">LevenshteinDistance</a>())</div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  { }</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div> |
| <div class="line"><a name="l00126"></a><span class="lineno"><a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_spell_checker.html#a93f8a3e3934b0d13256d3488df9a1122"> 126</a></span>  <span class="keyword">virtual</span> <span class="keyword">public</span> <span class="keywordtype">void</span> SetSpellIndex(<a class="code" href="class_lucene_1_1_net_1_1_store_1_1_directory.html" title="A Directory is a flat list of files. Files may be written once, when they are created. Once a file is created it may only be opened for read, or deleted. Random access is permitted both when reading and writing.">Directory</a> spellIndexDir)</div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  {</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// this could be the same directory as the current spellIndex</span></div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// modifications to the directory should be synchronized </span></div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  lock (modifyCurrentIndexLock)</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>  EnsureOpen();</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">if</span> (!<a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#a2b2d16da8a4d1c2bd29999dd6b61d08a">IndexReader</a>.IndexExists(spellIndexDir))</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>  var writer = <span class="keyword">new</span> <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#aff095a1e1a1049e3e38e12fe200adcef">IndexWriter</a>(spellIndexDir, null, <span class="keyword">true</span>,</div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#aff095a1e1a1049e3e38e12fe200adcef">IndexWriter</a>.MaxFieldLength.UNLIMITED);</div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  writer.Close();</div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  }</div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  SwapSearcher(spellIndexDir);</div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</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> </div> |
| <div class="line"><a name="l00149"></a><span class="lineno"><a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_spell_checker.html#aa43c0910a7327826c9c9f9f1a954f6ae"> 149</a></span>  <span class="keyword">public</span> <span class="keywordtype">void</span> setStringDistance(<a class="code" href="interface_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_string_distance.html" title="Interface for string distances. ">StringDistance</a> sd)</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>  this.sd = sd;</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="l00162"></a><span class="lineno"><a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_spell_checker.html#a02348f398b0e29578da9c813fd7a038c"> 162</a></span>  <span class="keyword">public</span> <a class="code" href="interface_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_string_distance.html" title="Interface for string distances. ">StringDistance</a> GetStringDistance()</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">return</span> sd;</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> </div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div> |
| <div class="line"><a name="l00169"></a><span class="lineno"><a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_spell_checker.html#a9c26a0be74f2ae9134e968bd348c66f2"> 169</a></span>  <span class="keyword">virtual</span> <span class="keyword">public</span> <span class="keywordtype">void</span> SetAccuracy(<span class="keywordtype">float</span> minScore)</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>  this.minScore = minScore;</div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  }</div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div> |
| <div class="line"><a name="l00182"></a><span class="lineno"><a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_spell_checker.html#a86ea0137d5c97b11224f5ac3b205d5c0"> 182</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> System.String[] SuggestSimilar(System.String word, <span class="keywordtype">int</span> num_sug)</div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  {</div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">return</span> this.SuggestSimilar(word, num_sug, null, null, <span class="keyword">false</span>);</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> </div> |
| <div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div> |
| <div class="line"><a name="l00206"></a><span class="lineno"><a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_spell_checker.html#af85cca48c47713f855792833128d2d3f"> 206</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> System.String[] SuggestSimilar(System.String word, <span class="keywordtype">int</span> numSug, <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#a2b2d16da8a4d1c2bd29999dd6b61d08a">IndexReader</a> ir, System.String field, <span class="keywordtype">bool</span> morePopular)</div> |
| <div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  { <span class="comment">// obtainSearcher calls ensureOpen</span></div> |
| <div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_index_searcher.html" title="Implements search over a single IndexReader.">IndexSearcher</a> indexSearcher = ObtainSearcher();</div> |
| <div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">try</span></div> |
| <div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  {</div> |
| <div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordtype">float</span> min = this.minScore;</div> |
| <div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordtype">int</span> lengthWord = word.Length;</div> |
| <div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div> |
| <div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordtype">int</span> freq = (ir != null && field != null) ? ir.DocFreq(<span class="keyword">new</span> <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#a76d265958bda5fdc58d4d962d449cdb0">Term</a>(field, word)) : 0;</div> |
| <div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordtype">int</span> goalFreq = (morePopular && ir != null && field != null) ? freq : 0;</div> |
| <div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="comment">// if the word exists in the real index and we don't care for word frequency, return the word itself</span></div> |
| <div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">if</span> (!morePopular && freq > 0)</div> |
| <div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  {</div> |
| <div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> String[] { word };</div> |
| <div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  }</div> |
| <div class="line"><a name="l00221"></a><span class="lineno"> 221</span> </div> |
| <div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  var query = <span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#ae2b9948961aeea34f9c4e4955536f433">BooleanQuery</a>();</div> |
| <div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  String[] grams;</div> |
| <div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  String key;</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>  var alreadySeen = <span class="keyword">new</span> HashSet<string>();</div> |
| <div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">for</span> (var ng = GetMin(lengthWord); ng <= GetMax(lengthWord); ng++)</div> |
| <div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  {</div> |
| <div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  key = <span class="stringliteral">"gram"</span> + ng; <span class="comment">// form key</span></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>  grams = FormGrams(word, ng); <span class="comment">// form word into ngrams (allow dups too)</span></div> |
| <div class="line"><a name="l00232"></a><span class="lineno"> 232</span> </div> |
| <div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">if</span> (grams.Length == 0)</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="keywordflow">continue</span>; <span class="comment">// hmm</span></div> |
| <div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  }</div> |
| <div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div> |
| <div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keywordflow">if</span> (bStart > 0)</div> |
| <div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  { <span class="comment">// should we boost prefixes?</span></div> |
| <div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  Add(query, <span class="stringliteral">"start"</span> + ng, grams[0], bStart); <span class="comment">// matches start of word</span></div> |
| <div class="line"><a name="l00241"></a><span class="lineno"> 241</span> </div> |
| <div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  }</div> |
| <div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">if</span> (bEnd > 0)</div> |
| <div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  { <span class="comment">// should we boost suffixes</span></div> |
| <div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  Add(query, <span class="stringliteral">"end"</span> + ng, grams[grams.Length - 1], bEnd); <span class="comment">// matches end of word</span></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="l00248"></a><span class="lineno"> 248</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < grams.Length; i++)</div> |
| <div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  {</div> |
| <div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  Add(query, key, grams[i]);</div> |
| <div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  }</div> |
| <div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  }</div> |
| <div class="line"><a name="l00253"></a><span class="lineno"> 253</span> </div> |
| <div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordtype">int</span> maxHits = 10 * numSug;</div> |
| <div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div> |
| <div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="comment">// System.out.println("Q: " + query);</span></div> |
| <div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_score_doc.html" title="Expert: Returned by low-level search implementations.">ScoreDoc</a>[] hits = indexSearcher.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_index_searcher.html#abf7c93a75b6328ce85bb40ef1146e86d" title="Expert: Low-level search implementation. Finds the top n hits for query, applying filter if non-null...">Search</a>(query, null, maxHits).<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_top_docs.html#a8feb2dcca2a99b29432ca59e4135c36c" title="The top hits for the query. ">ScoreDocs</a>;</div> |
| <div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="comment">// System.out.println("HITS: " + hits.length());</span></div> |
| <div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_suggest_word_queue.html">SuggestWordQueue</a> sugQueue = <span class="keyword">new</span> <a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_suggest_word_queue.html">SuggestWordQueue</a>(numSug);</div> |
| <div class="line"><a name="l00260"></a><span class="lineno"> 260</span> </div> |
| <div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="comment">// go thru more than 'maxr' matches in case the distance filter triggers</span></div> |
| <div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordtype">int</span> stop = Math.Min(hits.Length, maxHits);</div> |
| <div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_suggest_word.html" title="SuggestWord Class, used in suggestSimilar method in SpellChecker class.">SuggestWord</a> sugWord = <span class="keyword">new</span> <a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_suggest_word.html" title="SuggestWord Class, used in suggestSimilar method in SpellChecker class.">SuggestWord</a>();</div> |
| <div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < stop; i++)</div> |
| <div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  {</div> |
| <div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  sugWord.<a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_suggest_word.html#a5699593761a8fc1a3ca04fa709411bd2" title="the suggested word">termString</a> = indexSearcher.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_index_searcher.html#aed5283dc1e8c56fa09bb2c82337e9d8b" title="Expert: Returns the stored fields of document i.">Doc</a>(hits[i].Doc).Get(F_WORD); <span class="comment">// get orig word</span></div> |
| <div class="line"><a name="l00267"></a><span class="lineno"> 267</span> </div> |
| <div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="comment">// don't suggest a word for itself, that would be silly</span></div> |
| <div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordflow">if</span> (sugWord.<a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_suggest_word.html#a5699593761a8fc1a3ca04fa709411bd2" title="the suggested word">termString</a>.Equals(word))</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>  <span class="keywordflow">continue</span>;</div> |
| <div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  }</div> |
| <div class="line"><a name="l00273"></a><span class="lineno"> 273</span> </div> |
| <div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="comment">// edit distance</span></div> |
| <div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  sugWord.<a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_suggest_word.html#ab1c53890e31ecdad1ef2bab5854dd773" title="the score of the word">score</a> = sd.GetDistance(word, sugWord.<a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_suggest_word.html#a5699593761a8fc1a3ca04fa709411bd2" title="the suggested word">termString</a>);</div> |
| <div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">if</span> (sugWord.<a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_suggest_word.html#ab1c53890e31ecdad1ef2bab5854dd773" title="the score of the word">score</a> < min)</div> |
| <div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  {</div> |
| <div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordflow">continue</span>;</div> |
| <div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  }</div> |
| <div class="line"><a name="l00280"></a><span class="lineno"> 280</span> </div> |
| <div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">if</span> (ir != null && field != null)</div> |
| <div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  { <span class="comment">// use the user index</span></div> |
| <div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  sugWord.<a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_suggest_word.html#a22ea01d1d6c66a7726720196092bcff1" title="The freq of the word">freq</a> = ir.DocFreq(<span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#a8797eb30ce21b31829d3e3a43a20e3b9">Term</a>(field, sugWord.<a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_suggest_word.html#a5699593761a8fc1a3ca04fa709411bd2" title="the suggested word">termString</a>)); <span class="comment">// freq in the index</span></div> |
| <div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="comment">// don't suggest a word that is not present in the field</span></div> |
| <div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordflow">if</span> ((morePopular && goalFreq > sugWord.<a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_suggest_word.html#a22ea01d1d6c66a7726720196092bcff1" title="The freq of the word">freq</a>) || sugWord.<a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_suggest_word.html#a22ea01d1d6c66a7726720196092bcff1" title="The freq of the word">freq</a> < 1)</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">continue</span>;</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>  }</div> |
| <div class="line"><a name="l00290"></a><span class="lineno"> 290</span> </div> |
| <div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="keywordflow">if</span> (alreadySeen.Add(sugWord.<a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_suggest_word.html#a5699593761a8fc1a3ca04fa709411bd2" title="the suggested word">termString</a>) == <span class="keyword">false</span>) <span class="comment">// we already seen this word, no point returning it twice</span></div> |
| <div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">continue</span>;</div> |
| <div class="line"><a name="l00293"></a><span class="lineno"> 293</span> </div> |
| <div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  sugQueue.InsertWithOverflow(sugWord);</div> |
| <div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordflow">if</span> (sugQueue.Size() == numSug)</div> |
| <div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  {</div> |
| <div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="comment">// if queue full, maintain the minScore score</span></div> |
| <div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  min = ((<a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_suggest_word.html" title="SuggestWord Class, used in suggestSimilar method in SpellChecker class.">SuggestWord</a>)sugQueue.Top()).score;</div> |
| <div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  }</div> |
| <div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  sugWord = <span class="keyword">new</span> <a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_suggest_word.html" title="SuggestWord Class, used in suggestSimilar method in SpellChecker class.">SuggestWord</a>();</div> |
| <div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  }</div> |
| <div class="line"><a name="l00302"></a><span class="lineno"> 302</span> </div> |
| <div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="comment">// convert to array string</span></div> |
| <div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  String[] list = <span class="keyword">new</span> String[sugQueue.Size()];</div> |
| <div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = sugQueue.Size() - 1; i >= 0; i--)</div> |
| <div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  {</div> |
| <div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  list[i] = ((<a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_suggest_word.html" title="SuggestWord Class, used in suggestSimilar method in SpellChecker class.">SuggestWord</a>)sugQueue.Pop()).termString;</div> |
| <div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  }</div> |
| <div class="line"><a name="l00309"></a><span class="lineno"> 309</span> </div> |
| <div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordflow">return</span> list;</div> |
| <div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  }</div> |
| <div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordflow">finally</span></div> |
| <div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  {</div> |
| <div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  ReleaseSearcher(indexSearcher);</div> |
| <div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  }</div> |
| <div class="line"><a name="l00316"></a><span class="lineno"> 316</span> </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"> 319</span> </div> |
| <div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="keyword">private</span> <span class="keyword">static</span> <span class="keywordtype">void</span> Add(<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> q, System.String k, System.String v, <span class="keywordtype">float</span> boost)</div> |
| <div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  {</div> |
| <div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <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> tq = <span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#a13f0b68c1e7c8f509c3a0be1441df5d9">TermQuery</a>(<span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#a8797eb30ce21b31829d3e3a43a20e3b9">Term</a>(k, v));</div> |
| <div class="line"><a name="l00324"></a><span class="lineno"> 324</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> = boost;</div> |
| <div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  q.<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>(<span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#a53e74846024ac804f694b882eea1936c">BooleanClause</a>(tq, <a class="code" href="namespace_lucene_1_1_net_1_1_search.html#a99a7442e50a0ff52bf00ddb319eb9d34">Occur</a>.SHOULD));</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> </div> |
| <div class="line"><a name="l00328"></a><span class="lineno"> 328</span> </div> |
| <div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keyword">private</span> <span class="keyword">static</span> <span class="keywordtype">void</span> Add(<a class="code" href="_more_like_this_8cs.html#ae2b9948961aeea34f9c4e4955536f433">BooleanQuery</a> q, System.String k, System.String v)</div> |
| <div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  {</div> |
| <div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  q.Add(<span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#a53e74846024ac804f694b882eea1936c">BooleanClause</a>(<span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#a13f0b68c1e7c8f509c3a0be1441df5d9">TermQuery</a>(<span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#a8797eb30ce21b31829d3e3a43a20e3b9">Term</a>(k, v)), <a class="code" href="_boolean_query_8cs.html#a465cf9485f9f5eca4050230ebdbb8ed4">Occur</a>.SHOULD));</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> </div> |
| <div class="line"><a name="l00335"></a><span class="lineno"> 335</span> </div> |
| <div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="keyword">private</span> <span class="keyword">static</span> System.String[] FormGrams(System.String text, <span class="keywordtype">int</span> ng)</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="keywordtype">int</span> len = text.Length;</div> |
| <div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  System.String[] res = <span class="keyword">new</span> System.String[len - ng + 1];</div> |
| <div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < len - ng + 1; i++)</div> |
| <div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  {</div> |
| <div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  res[i] = text.Substring(i, (i + ng) - (i));</div> |
| <div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  }</div> |
| <div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordflow">return</span> res;</div> |
| <div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  }</div> |
| <div class="line"><a name="l00353"></a><span class="lineno"> 353</span> </div> |
| <div class="line"><a name="l00357"></a><span class="lineno"><a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_spell_checker.html#a1e85d0c914db887833abb72c73821240"> 357</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> ClearIndex()</div> |
| <div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  {</div> |
| <div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  lock (modifyCurrentIndexLock)</div> |
| <div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  {</div> |
| <div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  EnsureOpen();</div> |
| <div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <a class="code" href="class_lucene_1_1_net_1_1_store_1_1_directory.html" title="A Directory is a flat list of files. Files may be written once, when they are created. Once a file is created it may only be opened for read, or deleted. Random access is permitted both when reading and writing.">Directory</a> dir = this.spellindex;</div> |
| <div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#aff095a1e1a1049e3e38e12fe200adcef">IndexWriter</a> writer = <span class="keyword">new</span> <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#aff095a1e1a1049e3e38e12fe200adcef">IndexWriter</a>(dir, null, <span class="keyword">true</span>, <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#aff095a1e1a1049e3e38e12fe200adcef">IndexWriter</a>.MaxFieldLength.UNLIMITED);</div> |
| <div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  writer.Close();</div> |
| <div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  SwapSearcher(dir);</div> |
| <div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  }</div> |
| <div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  }</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="l00376"></a><span class="lineno"><a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_spell_checker.html#a70b00af11b81f02a3bf0afeaffe5f716"> 376</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">bool</span> Exist(System.String word)</div> |
| <div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  {</div> |
| <div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="comment">// obtainSearcher calls ensureOpen</span></div> |
| <div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_index_searcher.html" title="Implements search over a single IndexReader.">IndexSearcher</a> indexSearcher = ObtainSearcher();</div> |
| <div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">try</span></div> |
| <div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  {</div> |
| <div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keywordflow">return</span> indexSearcher.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_index_searcher.html#ae8fc8c3d082677d990936d2a86fd7a99" title="Expert: Returns the number of documents containing term. Called by search code to compute term weight...">DocFreq</a>(F_WORD_TERM.CreateTerm(word)) > 0;</div> |
| <div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  }</div> |
| <div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordflow">finally</span></div> |
| <div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  {</div> |
| <div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  ReleaseSearcher(indexSearcher);</div> |
| <div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  }</div> |
| <div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  }</div> |
| <div class="line"><a name="l00389"></a><span class="lineno"> 389</span> </div> |
| <div class="line"><a name="l00390"></a><span class="lineno"> 390</span> </div> |
| <div class="line"><a name="l00397"></a><span class="lineno"><a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_spell_checker.html#aca9d275693eeabc94664bff686a6df15"> 397</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> IndexDictionary(<a class="code" href="interface_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_i_dictionary.html" title="A simple interface representing a Dictionary">IDictionary</a> dict, <span class="keywordtype">int</span> mergeFactor, <span class="keywordtype">int</span> ramMB)</div> |
| <div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  {</div> |
| <div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  lock (modifyCurrentIndexLock)</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>  EnsureOpen();</div> |
| <div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <a class="code" href="class_lucene_1_1_net_1_1_store_1_1_directory.html" title="A Directory is a flat list of files. Files may be written once, when they are created. Once a file is created it may only be opened for read, or deleted. Random access is permitted both when reading and writing.">Directory</a> dir = this.spellindex;</div> |
| <div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#aff095a1e1a1049e3e38e12fe200adcef">IndexWriter</a> writer = <span class="keyword">new</span> <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#aff095a1e1a1049e3e38e12fe200adcef">IndexWriter</a>(spellindex, <span class="keyword">new</span> <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#a716c3d84abee26949cafe0723ec2ddb2">WhitespaceAnalyzer</a>(), <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#aff095a1e1a1049e3e38e12fe200adcef">IndexWriter</a>.MaxFieldLength.UNLIMITED);</div> |
| <div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  writer.MergeFactor = mergeFactor;</div> |
| <div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  writer.SetMaxBufferedDocs(ramMB);</div> |
| <div class="line"><a name="l00406"></a><span class="lineno"> 406</span> </div> |
| <div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  System.Collections.IEnumerator iter = dict.<a class="code" href="interface_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_i_dictionary.html#af91020c4096ea415385f9e07ffd9ded3" title="return all the words present in the dictionary">GetWordsIterator</a>();</div> |
| <div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordflow">while</span> (iter.MoveNext())</div> |
| <div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  {</div> |
| <div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  System.String word = (System.String)iter.Current;</div> |
| <div class="line"><a name="l00411"></a><span class="lineno"> 411</span> </div> |
| <div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordtype">int</span> len = word.Length;</div> |
| <div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  if (len < 3)</div> |
| <div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  {</div> |
| <div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">continue</span>; <span class="comment">// too short we bail but "too long" is fine...</span></div> |
| <div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  }</div> |
| <div class="line"><a name="l00417"></a><span class="lineno"> 417</span> </div> |
| <div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keywordflow">if</span> (this.Exist(word))</div> |
| <div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  {</div> |
| <div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="comment">// if the word already exist in the gramindex</span></div> |
| <div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordflow">continue</span>;</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">// ok index the word</span></div> |
| <div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#a9d45823982aea0e6afc24f88a8208e79">Document</a> doc = CreateDocument(word, GetMin(len), GetMax(len));</div> |
| <div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  writer.AddDocument(doc);</div> |
| <div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  }</div> |
| <div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="comment">// close writer</span></div> |
| <div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  writer.Optimize();</div> |
| <div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  writer.Close();</div> |
| <div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="comment">// also re-open the spell index to see our own changes when the next suggestion</span></div> |
| <div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="comment">// is fetched:</span></div> |
| <div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  SwapSearcher(dir);</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>  }</div> |
| <div class="line"><a name="l00436"></a><span class="lineno"> 436</span> </div> |
| <div class="line"><a name="l00441"></a><span class="lineno"><a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_spell_checker.html#a5a55f6b9b1264d6325522ac845acc507"> 441</a></span>  <span class="keyword">public</span> <span class="keywordtype">void</span> IndexDictionary(<a class="code" href="interface_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_i_dictionary.html" title="A simple interface representing a Dictionary">IDictionary</a> dict)</div> |
| <div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  {</div> |
| <div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  IndexDictionary(dict, 300, 10);</div> |
| <div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  }</div> |
| <div class="line"><a name="l00445"></a><span class="lineno"> 445</span> </div> |
| <div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="keyword">private</span> <span class="keywordtype">int</span> GetMin(<span class="keywordtype">int</span> l)</div> |
| <div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  {</div> |
| <div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keywordflow">if</span> (l > 5)</div> |
| <div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  {</div> |
| <div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordflow">return</span> 3;</div> |
| <div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  }</div> |
| <div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="keywordflow">if</span> (l == 5)</div> |
| <div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  {</div> |
| <div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="keywordflow">return</span> 2;</div> |
| <div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  }</div> |
| <div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="keywordflow">return</span> 1;</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="l00459"></a><span class="lineno"> 459</span> </div> |
| <div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <span class="keyword">private</span> <span class="keywordtype">int</span> GetMax(<span class="keywordtype">int</span> l)</div> |
| <div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  {</div> |
| <div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="keywordflow">if</span> (l > 5)</div> |
| <div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  {</div> |
| <div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="keywordflow">return</span> 4;</div> |
| <div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  }</div> |
| <div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="keywordflow">if</span> (l == 5)</div> |
| <div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  {</div> |
| <div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keywordflow">return</span> 3;</div> |
| <div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  }</div> |
| <div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="keywordflow">return</span> 2;</div> |
| <div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  }</div> |
| <div class="line"><a name="l00472"></a><span class="lineno"> 472</span> </div> |
| <div class="line"><a name="l00473"></a><span class="lineno"> 473</span> </div> |
| <div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keyword">private</span> <span class="keyword">static</span> <a class="code" href="_more_like_this_8cs.html#a2ad6aef8641c7b7a6cf9277f7d54b2cd">Document</a> CreateDocument(System.String text, <span class="keywordtype">int</span> ng1, <span class="keywordtype">int</span> ng2)</div> |
| <div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  {</div> |
| <div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <a class="code" href="_more_like_this_8cs.html#a2ad6aef8641c7b7a6cf9277f7d54b2cd">Document</a> doc = <span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#a2ad6aef8641c7b7a6cf9277f7d54b2cd">Document</a>();</div> |
| <div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  doc.Add(<span class="keyword">new</span> <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#a844ec5ef528538a3dc0e6cbb34c5e698">Field</a>(F_WORD, text, <a class="code" href="_syns2_index_8cs.html#a6d7b175c6799cf1d18e9493727d23fc6">Field</a>.Store.YES, <a class="code" href="_syns2_index_8cs.html#a6d7b175c6799cf1d18e9493727d23fc6">Field</a>.Index.NOT_ANALYZED)); <span class="comment">// orig term</span></div> |
| <div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  AddGram(text, doc, ng1, ng2);</div> |
| <div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="keywordflow">return</span> doc;</div> |
| <div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  }</div> |
| <div class="line"><a name="l00481"></a><span class="lineno"> 481</span> </div> |
| <div class="line"><a name="l00482"></a><span class="lineno"> 482</span> </div> |
| <div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="keyword">private</span> <span class="keyword">static</span> <span class="keywordtype">void</span> AddGram(System.String text, <a class="code" href="_more_like_this_8cs.html#a2ad6aef8641c7b7a6cf9277f7d54b2cd">Document</a> doc, <span class="keywordtype">int</span> ng1, <span class="keywordtype">int</span> ng2)</div> |
| <div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  {</div> |
| <div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="keywordtype">int</span> len = text.Length;</div> |
| <div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> ng = ng1; ng <= ng2; ng++)</div> |
| <div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  {</div> |
| <div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  System.String key = <span class="stringliteral">"gram"</span> + ng;</div> |
| <div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  System.String end = null;</div> |
| <div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < len - ng + 1; i++)</div> |
| <div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  {</div> |
| <div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  System.String gram = text.Substring(i, (i + ng) - (i));</div> |
| <div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  doc.Add(<span class="keyword">new</span> <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#a844ec5ef528538a3dc0e6cbb34c5e698">Field</a>(key, gram, <a class="code" href="_syns2_index_8cs.html#a6d7b175c6799cf1d18e9493727d23fc6">Field</a>.Store.NO, <a class="code" href="_syns2_index_8cs.html#a6d7b175c6799cf1d18e9493727d23fc6">Field</a>.Index.NOT_ANALYZED));</div> |
| <div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="keywordflow">if</span> (i == 0)</div> |
| <div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  {</div> |
| <div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  doc.Add(<span class="keyword">new</span> <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#a844ec5ef528538a3dc0e6cbb34c5e698">Field</a>(<span class="stringliteral">"start"</span> + ng, gram, <a class="code" href="_syns2_index_8cs.html#a6d7b175c6799cf1d18e9493727d23fc6">Field</a>.Store.NO, <a class="code" href="_syns2_index_8cs.html#a6d7b175c6799cf1d18e9493727d23fc6">Field</a>.Index.NOT_ANALYZED));</div> |
| <div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  }</div> |
| <div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  end = gram;</div> |
| <div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  }</div> |
| <div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="keywordflow">if</span> (end != null)</div> |
| <div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  {</div> |
| <div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="comment">// may not be present if len==ng1</span></div> |
| <div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  doc.Add(<span class="keyword">new</span> <a class="code" href="namespace_spell_checker_1_1_net_1_1_search_1_1_spell.html#a844ec5ef528538a3dc0e6cbb34c5e698">Field</a>(<span class="stringliteral">"end"</span> + ng, end, <a class="code" href="_syns2_index_8cs.html#a6d7b175c6799cf1d18e9493727d23fc6">Field</a>.Store.NO, <a class="code" href="_syns2_index_8cs.html#a6d7b175c6799cf1d18e9493727d23fc6">Field</a>.Index.NOT_ANALYZED));</div> |
| <div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  }</div> |
| <div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  }</div> |
| <div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  }</div> |
| <div class="line"><a name="l00507"></a><span class="lineno"> 507</span> </div> |
| <div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keyword">private</span> <a class="code" href="_more_like_this_8cs.html#a507bc55818dbcde9964f629543370b6f">IndexSearcher</a> ObtainSearcher()</div> |
| <div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  {</div> |
| <div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  lock (searcherLock)</div> |
| <div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  {</div> |
| <div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  EnsureOpen();</div> |
| <div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  searcher.IndexReader.IncRef();</div> |
| <div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  <span class="keywordflow">return</span> searcher;</div> |
| <div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  }</div> |
| <div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  }</div> |
| <div class="line"><a name="l00517"></a><span class="lineno"> 517</span> </div> |
| <div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="keyword">private</span> <span class="keywordtype">void</span> ReleaseSearcher(<a class="code" href="_more_like_this_8cs.html#a507bc55818dbcde9964f629543370b6f">IndexSearcher</a> aSearcher)</div> |
| <div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  {</div> |
| <div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  <span class="comment">// don't check if open - always decRef </span></div> |
| <div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <span class="comment">// don't decrement the private searcher - could have been swapped</span></div> |
| <div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  aSearcher.IndexReader.DecRef();</div> |
| <div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  }</div> |
| <div class="line"><a name="l00524"></a><span class="lineno"> 524</span> </div> |
| <div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  <span class="keyword">private</span> <span class="keywordtype">void</span> EnsureOpen()</div> |
| <div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  {</div> |
| <div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="keywordflow">if</span> (closed)</div> |
| <div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  {</div> |
| <div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> <a class="code" href="_documents_writer_8cs.html#a3bd6418bcbeb676f7dad24a00a2d6903">AlreadyClosedException</a>(<span class="stringliteral">"Spellchecker has been closed"</span>);</div> |
| <div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  }</div> |
| <div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  }</div> |
| <div class="line"><a name="l00532"></a><span class="lineno"> 532</span> </div> |
| <div class="line"><a name="l00533"></a><span class="lineno"><a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_spell_checker.html#ae5f753a1430e571f899b6b42bb70f8e4"> 533</a></span>  <span class="keyword">public</span> <span class="keywordtype">void</span> Close()</div> |
| <div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  {</div> |
| <div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  lock (searcherLock)</div> |
| <div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  {</div> |
| <div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  EnsureOpen();</div> |
| <div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  closed = <span class="keyword">true</span>;</div> |
| <div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  <span class="keywordflow">if</span> (searcher != null)</div> |
| <div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  {</div> |
| <div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  searcher.Close();</div> |
| <div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  }</div> |
| <div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  searcher = null;</div> |
| <div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  }</div> |
| <div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  }</div> |
| <div class="line"><a name="l00546"></a><span class="lineno"> 546</span> </div> |
| <div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <span class="keyword">private</span> <span class="keywordtype">void</span> SwapSearcher(<a class="code" href="class_lucene_1_1_net_1_1_store_1_1_directory.html" title="A Directory is a flat list of files. Files may be written once, when they are created. Once a file is created it may only be opened for read, or deleted. Random access is permitted both when reading and writing.">Directory</a> dir)</div> |
| <div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  {</div> |
| <div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <span class="comment">/*</span></div> |
| <div class="line"><a name="l00550"></a><span class="lineno"> 550</span> <span class="comment"> * opening a searcher is possibly very expensive.</span></div> |
| <div class="line"><a name="l00551"></a><span class="lineno"> 551</span> <span class="comment"> * We rather close it again if the Spellchecker was closed during</span></div> |
| <div class="line"><a name="l00552"></a><span class="lineno"> 552</span> <span class="comment"> * this operation than block access to the current searcher while opening.</span></div> |
| <div class="line"><a name="l00553"></a><span class="lineno"> 553</span> <span class="comment"> */</span></div> |
| <div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_index_searcher.html" title="Implements search over a single IndexReader.">IndexSearcher</a> indexSearcher = CreateSearcher(dir);</div> |
| <div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  lock (searcherLock)</div> |
| <div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  {</div> |
| <div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  <span class="keywordflow">if</span> (closed)</div> |
| <div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  {</div> |
| <div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  indexSearcher.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_searcher.html#a9d91c9cf8a2a1eca24096df18403985f" title="Frees resources associated with this Searcher. Be careful not to call this method while you are still...">Close</a>();</div> |
| <div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> <a class="code" href="_documents_writer_8cs.html#a3bd6418bcbeb676f7dad24a00a2d6903">AlreadyClosedException</a>(<span class="stringliteral">"Spellchecker has been closed"</span>);</div> |
| <div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  }</div> |
| <div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <span class="keywordflow">if</span> (searcher != null)</div> |
| <div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  {</div> |
| <div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  searcher.Close();</div> |
| <div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  }</div> |
| <div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  <span class="comment">// set the spellindex in the sync block - ensure consistency.</span></div> |
| <div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  searcher = indexSearcher;</div> |
| <div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  this.spellindex = dir;</div> |
| <div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  }</div> |
| <div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  }</div> |
| <div class="line"><a name="l00571"></a><span class="lineno"> 571</span> </div> |
| <div class="line"><a name="l00577"></a><span class="lineno"><a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_spell_checker.html#a90378906f8af1a29b7db69d1701c1b73"> 577</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_index_searcher.html" title="Implements search over a single IndexReader.">IndexSearcher</a> CreateSearcher(<a class="code" href="class_lucene_1_1_net_1_1_store_1_1_directory.html" title="A Directory is a flat list of files. Files may be written once, when they are created. Once a file is created it may only be opened for read, or deleted. Random access is permitted both when reading and writing.">Directory</a> dir)</div> |
| <div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  {</div> |
| <div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#a507bc55818dbcde9964f629543370b6f">IndexSearcher</a>(dir, <span class="keyword">true</span>);</div> |
| <div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  }</div> |
| <div class="line"><a name="l00581"></a><span class="lineno"> 581</span> </div> |
| <div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="keywordtype">bool</span> IsClosed()</div> |
| <div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  {</div> |
| <div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  <span class="keywordflow">return</span> closed;</div> |
| <div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  }</div> |
| <div class="line"><a name="l00593"></a><span class="lineno"> 593</span> </div> |
| <div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  ~SpellChecker()</div> |
| <div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  {</div> |
| <div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  this.Dispose(<span class="keyword">false</span>);</div> |
| <div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  }</div> |
| <div class="line"><a name="l00598"></a><span class="lineno"> 598</span> </div> |
| <div class="line"><a name="l00599"></a><span class="lineno"><a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_spell_checker.html#a66b1d76a25d88dfd4e6df3b07cf2ed0c"> 599</a></span>  <span class="keyword">public</span> <span class="keywordtype">void</span> Dispose()</div> |
| <div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  {</div> |
| <div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  this.Dispose(<span class="keyword">true</span>);</div> |
| <div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  GC.SuppressFinalize(<span class="keyword">this</span>);</div> |
| <div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  }</div> |
| <div class="line"><a name="l00604"></a><span class="lineno"> 604</span> </div> |
| <div class="line"><a name="l00605"></a><span class="lineno"><a class="code" href="class_spell_checker_1_1_net_1_1_search_1_1_spell_1_1_spell_checker.html#aeed5773dc79f239fb5d28e0cdd703802"> 605</a></span>  <span class="keyword">protected</span> <span class="keywordtype">void</span> Dispose(<span class="keywordtype">bool</span> disposeOfManagedResources)</div> |
| <div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  {</div> |
| <div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  <span class="keywordflow">if</span> (disposeOfManagedResources)</div> |
| <div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  {</div> |
| <div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="keywordflow">if</span> (!this.closed)</div> |
| <div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  this.Close();</div> |
| <div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  }</div> |
| <div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  }</div> |
| <div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  }</div> |
| <div class="line"><a name="l00614"></a><span class="lineno"> 614</span> }</div> |
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