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| <div class="title">PositionBasedTermVectorMapper.cs</div> </div> |
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| <a href="_position_based_term_vector_mapper_8cs.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* </span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * contributor license agreements. See the NOTICE file distributed with</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * this work for additional information regarding copyright ownership.</span></div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * (the "License"); you may not use this file except in compliance with</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * the License. You may obtain a copy of the License at</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * </span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * </span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span></div> |
| <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * See the License for the specific language governing permissions and</span></div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * limitations under the License.</span></div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> */</span></div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="keyword">using</span> System;</div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">using</span> System.Collections.Generic;</div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">using</span> Lucene.Net.Support;</div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">namespace </span>Lucene.Net.Index</div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> {</div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  </div> |
| <div class="line"><a name="l00029"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_position_based_term_vector_mapper.html"> 29</a></span>  <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_position_based_term_vector_mapper.html" title="For each Field, store position by position information. It ignores frequency information This is not ...">PositionBasedTermVectorMapper</a>:<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_term_vector_mapper.html" title="The TermVectorMapper can be used to map Term Vectors into your own structure instead of the parallel ...">TermVectorMapper</a></div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  {</div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">private</span> IDictionary<string, IDictionary<int, TVPositionInfo>> fieldToTerms;</div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  </div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">private</span> System.String currentField;</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">private</span> IDictionary<int, TVPositionInfo> currentPositions;</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">private</span> <span class="keywordtype">bool</span> storeOffsets;</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div> |
| <div class="line"><a name="l00038"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_position_based_term_vector_mapper.html#a691de6dfcec4a73b8bcc78a3663c24e8"> 38</a></span>  <span class="keyword">public</span> <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_position_based_term_vector_mapper.html" title="For each Field, store position by position information. It ignores frequency information This is not ...">PositionBasedTermVectorMapper</a>():base(false, false)</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="l00041"></a><span class="lineno"> 41</span>  </div> |
| <div class="line"><a name="l00042"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_position_based_term_vector_mapper.html#a26a986eb4febd52430ea8cde8172a104"> 42</a></span>  <span class="keyword">public</span> <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_position_based_term_vector_mapper.html" title="For each Field, store position by position information. It ignores frequency information This is not ...">PositionBasedTermVectorMapper</a>(<span class="keywordtype">bool</span> ignoringOffsets):base(false, ignoringOffsets)</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  {</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  }</div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">bool</span> IsIgnoringPositions</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_position_based_term_vector_mapper.html#a4df74ce072054eaa337876e76de06076"> 49</a></span>  {</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">get</span> { <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  }</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div> |
| <div class="line"><a name="l00062"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_position_based_term_vector_mapper.html#a6a42ce04565802260411f2937c2cd165"> 62</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">void</span> Map(System.String term, <span class="keywordtype">int</span> frequency, <a class="code" href="struct_lucene_1_1_net_1_1_index_1_1_term_vector_offset_info.html" title="The TermVectorOffsetInfo class holds information pertaining to a Term in a Lucene.Net.Index.TermPositionVector's offset information. This offset information is the character offset as set during the Analysis phase (and thus may not be the actual offset in the original content). ">TermVectorOffsetInfo</a>[] offsets, <span class="keywordtype">int</span>[] positions)</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  {</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < positions.Length; i++)</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  {</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  System.Int32 posVal = positions[i];</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_position_based_term_vector_mapper_1_1_t_v_position_info.html" title="Container for a term at a position">TVPositionInfo</a> pos = currentPositions[posVal];</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">if</span> (pos == null)</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>  pos = <span class="keyword">new</span> <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_position_based_term_vector_mapper_1_1_t_v_position_info.html" title="Container for a term at a position">TVPositionInfo</a>(positions[i], storeOffsets);</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  currentPositions[posVal] = pos;</div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  }</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  pos.addTerm(term, offsets != null ? offsets[i] : <a class="code" href="struct_lucene_1_1_net_1_1_index_1_1_term_vector_offset_info.html" title="The TermVectorOffsetInfo class holds information pertaining to a Term in a Lucene.Net.Index.TermPositionVector's offset information. This offset information is the character offset as set during the Analysis phase (and thus may not be the actual offset in the original content). ">TermVectorOffsetInfo</a>.<a class="code" href="struct_lucene_1_1_net_1_1_index_1_1_term_vector_offset_info.html#a98ed0ff1a5b3198f623880cb4f1e4f91">Null</a>);</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>  }</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</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_position_based_term_vector_mapper.html#a72e4d376ad8d46c1c2df47d71bd7a3be"> 86</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">void</span> SetExpectations(System.String field, <span class="keywordtype">int</span> numTerms, <span class="keywordtype">bool</span> storeOffsets, <span class="keywordtype">bool</span> storePositions)</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="keywordflow">if</span> (storePositions == <span class="keyword">false</span>)</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  {</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> System.SystemException(<span class="stringliteral">"You must store positions in order to use this Mapper"</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="keywordflow">if</span> (storeOffsets == <span class="keyword">true</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="comment">//ignoring offsets</span></div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  fieldToTerms = <span class="keyword">new</span> HashMap<string, IDictionary<int, TVPositionInfo>>(numTerms);</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  this.storeOffsets = storeOffsets;</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  currentField = field;</div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  currentPositions = <span class="keyword">new</span> HashMap<int, TVPositionInfo>();</div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  fieldToTerms[currentField] = currentPositions;</div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">public</span> <span class="keyword">virtual</span> IDictionary<string, IDictionary<int, TVPositionInfo>> FieldToTerms</div> |
| <div class="line"><a name="l00108"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_position_based_term_vector_mapper.html#a0910321fe08510a29ac6f4f658bd0faf"> 108</a></span>  {</div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keyword">get</span> { <span class="keywordflow">return</span> fieldToTerms; }</div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div> |
| <div class="line"><a name="l00113"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_position_based_term_vector_mapper_1_1_t_v_position_info.html"> 113</a></span>  <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_position_based_term_vector_mapper_1_1_t_v_position_info.html" title="Container for a term at a position">TVPositionInfo</a></div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  {</div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keyword">virtual</span> <span class="keyword">public</span> <span class="keywordtype">int</span> Position</div> |
| <div class="line"><a name="l00119"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_position_based_term_vector_mapper_1_1_t_v_position_info.html#a31b60ae00ac649279ab4ab80f7059194"> 119</a></span>  {</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keyword">get</span></div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  {</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">return</span> position;</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  }</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  </div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  }</div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">virtual</span> <span class="keyword">public</span> IList<String> Terms</div> |
| <div class="line"><a name="l00130"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_position_based_term_vector_mapper_1_1_t_v_position_info.html#ace397fd2a57e02757612f11292b4f1de"> 130</a></span>  {</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">get</span></div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  {</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">return</span> terms;</div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  }</div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  </div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keyword">virtual</span> <span class="keyword">public</span> IList<TermVectorOffsetInfo> Offsets</div> |
| <div class="line"><a name="l00142"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_position_based_term_vector_mapper_1_1_t_v_position_info.html#adf2e8902d1b6d178c6ca56d8ed998a49"> 142</a></span>  {</div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">get</span></div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  {</div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">return</span> offsets;</div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  }</div> |
| <div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  </div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  }</div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">private</span> <span class="keywordtype">int</span> position;</div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="comment">//a list of Strings</span></div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">private</span> IList<string> terms;</div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="comment">//A list of TermVectorOffsetInfo</span></div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">private</span> IList<TermVectorOffsetInfo> offsets;</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  </div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  </div> |
| <div class="line"><a name="l00156"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_index_1_1_position_based_term_vector_mapper_1_1_t_v_position_info.html#a2b33351f6e67fa66040634ac0ee2d37a"> 156</a></span>  <span class="keyword">public</span> <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_position_based_term_vector_mapper_1_1_t_v_position_info.html" title="Container for a term at a position">TVPositionInfo</a>(<span class="keywordtype">int</span> position, <span class="keywordtype">bool</span> storeOffsets)</div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  {</div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  this.position = position;</div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  terms = <span class="keyword">new</span> List<string>();</div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">if</span> (storeOffsets)</div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  {</div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  offsets = <span class="keyword">new</span> List<TermVectorOffsetInfo>();</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>  }</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>  <span class="keyword">internal</span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> addTerm(System.String term, <a class="code" href="struct_lucene_1_1_net_1_1_index_1_1_term_vector_offset_info.html" title="The TermVectorOffsetInfo class holds information pertaining to a Term in a Lucene.Net.Index.TermPositionVector's offset information. This offset information is the character offset as set during the Analysis phase (and thus may not be the actual offset in the original content). ">TermVectorOffsetInfo</a> info)</div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  {</div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  terms.Add(term);</div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">if</span> (offsets != null)</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>  offsets.Add(info);</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="l00174"></a><span class="lineno"> 174</span>  }</div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  }</div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span> }</div> |
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