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| <a href="_req_opt_sum_scorer_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.Search</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="l00028"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_req_opt_sum_scorer.html"> 28</a></span>  <span class="keyword">class </span><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_req_opt_sum_scorer.html" title="A Scorer for queries with a required part and an optional part. Delays skipTo() on the optional part ...">ReqOptSumScorer</a>:<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html" title="Expert: Common scoring functionality for different types of queries.">Scorer</a></div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  {</div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">private</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html" title="Expert: Common scoring functionality for different types of queries.">Scorer</a> reqScorer;</div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">private</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html" title="Expert: Common scoring functionality for different types of queries.">Scorer</a> optScorer;</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  </div> |
| <div class="line"><a name="l00041"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_req_opt_sum_scorer.html#a81bc8df52fde4e14e964410c939d943f"> 41</a></span>  <span class="keyword">public</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_req_opt_sum_scorer.html" title="A Scorer for queries with a required part and an optional part. Delays skipTo() on the optional part ...">ReqOptSumScorer</a>(<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html" title="Expert: Common scoring functionality for different types of queries.">Scorer</a> reqScorer, <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html" title="Expert: Common scoring functionality for different types of queries.">Scorer</a> optScorer):base(null)</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  { <span class="comment">// No similarity used.</span></div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  this.reqScorer = reqScorer;</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  this.optScorer = optScorer;</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>  </div> |
| <div class="line"><a name="l00047"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_req_opt_sum_scorer.html#aaf279581c7ea69aeaa29f5414c629793"> 47</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">int</span> NextDoc()</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  {</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">return</span> reqScorer.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator.html#a70f16616e044ffd57b07dbc426c34e0d" title="Advances to the next document in the set and returns the doc it is currently on, or NO_MORE_DOCS if t...">NextDoc</a>();</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>  </div> |
| <div class="line"><a name="l00052"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_req_opt_sum_scorer.html#aa04576f7593e796bcd541fa68bd1de95"> 52</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">int</span> Advance(<span class="keywordtype">int</span> target)</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  {</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">return</span> reqScorer.Advance(target);</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  }</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  </div> |
| <div class="line"><a name="l00057"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_req_opt_sum_scorer.html#a704e93dda487dc309e655e01f11c13fc"> 57</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">int</span> DocID()</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  {</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">return</span> reqScorer.DocID();</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  }</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  </div> |
| <div class="line"><a name="l00068"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_req_opt_sum_scorer.html#a650e2ca3927cc64a0fbf856a78ab31be"> 68</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">float</span> Score()</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="keywordtype">int</span> curDoc = reqScorer.DocID();</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordtype">float</span> reqScore = reqScorer.Score();</div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">if</span> (optScorer == null)</div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  {</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">return</span> reqScore;</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="l00077"></a><span class="lineno"> 77</span>  <span class="keywordtype">int</span> optScorerDoc = optScorer.DocID();</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">if</span> (optScorerDoc < curDoc && (optScorerDoc = optScorer.Advance(curDoc)) == NO_MORE_DOCS)</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>  optScorer = null;</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">return</span> reqScore;</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>  </div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">return</span> optScorerDoc == curDoc?reqScore + optScorer.Score():reqScore;</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  }</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span> }</div> |
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