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| <div class="title">SegmentTermVector.cs</div> </div> |
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| <div class="contents"> |
| <a href="_segment_term_vector_8cs.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* </span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * contributor license agreements. See the NOTICE file distributed with</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * this work for additional information regarding copyright ownership.</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * (the "License"); you may not use this file except in compliance with</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * the License. You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * </span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * </span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * limitations under the License.</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> */</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">using</span> System;</div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">namespace </span>Lucene.Net.Index</div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> {</div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  </div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  </div> |
| <div class="line"><a name="l00024"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_segment_term_vector.html"> 24</a></span>  <span class="keyword">class </span><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_segment_term_vector.html">SegmentTermVector</a> : <a class="code" href="interface_lucene_1_1_net_1_1_index_1_1_i_term_freq_vector.html" title="Provides access to stored term vector of a document field. The vector consists of the name of the fie...">ITermFreqVector</a></div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  {</div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keyword">private</span> System.String field;</div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keyword">private</span> System.String[] terms;</div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keyword">private</span> <span class="keywordtype">int</span>[] termFreqs;</div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  </div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">internal</span> <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_segment_term_vector.html">SegmentTermVector</a>(System.String field, System.String[] terms, <span class="keywordtype">int</span>[] termFreqs)</div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  {</div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  this.field = field;</div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  this.terms = terms;</div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  this.termFreqs = termFreqs;</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  }</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">string</span> <a class="code" href="_syns2_index_8cs.html#a6d7b175c6799cf1d18e9493727d23fc6">Field</a></div> |
| <div class="line"><a name="l00040"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_segment_term_vector.html#ab030a7dc1eab592aad4b5e80246da8e0"> 40</a></span>  {</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">get</span> { <span class="keywordflow">return</span> field; }</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  }</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div> |
| <div class="line"><a name="l00044"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_segment_term_vector.html#aafa42c0f0c56789cf97192fc3a6a0715"> 44</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> System.String ToString()</div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  {</div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  System.Text.StringBuilder sb = <span class="keyword">new</span> System.Text.StringBuilder();</div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  sb.Append(<span class="charliteral">'{'</span>);</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  sb.Append(field).Append(<span class="stringliteral">": "</span>);</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">if</span> (terms != null)</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  {</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < terms.Length; i++)</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  {</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">if</span> (i > 0)</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  sb.Append(<span class="stringliteral">", "</span>);</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  sb.Append(terms[i]).Append(<span class="charliteral">'/'</span>).Append(termFreqs[i]);</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  }</div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  }</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  sb.Append(<span class="charliteral">'}'</span>);</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  </div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">return</span> sb.<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_segment_term_vector.html#aafa42c0f0c56789cf97192fc3a6a0715">ToString</a>();</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  }</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">int</span> Size</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_segment_term_vector.html#a50e001a55a3afbf16e4a7d53106b74f2"> 64</a></span>  {</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">get</span> { <span class="keywordflow">return</span> terms == null ? 0 : terms.Length; }</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  }</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div> |
| <div class="line"><a name="l00068"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_segment_term_vector.html#a9fa8dc2b71a428b02bdd00c5199797f5"> 68</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> System.String[] GetTerms()</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  {</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">return</span> terms;</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  </div> |
| <div class="line"><a name="l00073"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_segment_term_vector.html#acc5ccdaf65efd6f77e287b7ef0f32cce"> 73</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">int</span>[] GetTermFrequencies()</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="keywordflow">return</span> termFreqs;</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  }</div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  </div> |
| <div class="line"><a name="l00078"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_segment_term_vector.html#a097e6e3158d3e87eb509d14f07a4cf41"> 78</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">int</span> IndexOf(System.String termText)</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  {</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">if</span> (terms == null)</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">return</span> - 1;</div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordtype">int</span> res = System.Array.BinarySearch(terms, termText, System.StringComparer.Ordinal);</div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">return</span> res >= 0?res:- 1;</div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  }</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  </div> |
| <div class="line"><a name="l00086"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_segment_term_vector.html#a726d455da11bb28c0480bdfb11dc88d9"> 86</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">int</span>[] IndexesOf(System.String[] termNumbers, <span class="keywordtype">int</span> start, <span class="keywordtype">int</span> len)</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  {</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="comment">// TODO: there must be a more efficient way of doing this.</span></div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">// At least, we could advance the lower bound of the terms array</span></div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">// as we find valid indexes. Also, it might be possible to leverage</span></div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="comment">// this even more by starting in the middle of the termNumbers array</span></div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="comment">// and thus dividing the terms array maybe in half with each found index.</span></div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordtype">int</span>[] res = <span class="keyword">new</span> <span class="keywordtype">int</span>[len];</div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  </div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < len; i++)</div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  {</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  res[i] = IndexOf(termNumbers[start + i]);</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">return</span> res;</div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  }</div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span> }</div> |
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