docs/3.0.3/class_lucene_1_1_net_1_1_search_1_1_req_opt_sum_scorer.html - lucenenet-site - Git at Google

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 <a href="#pub-methods">Public Member Functions</a> &#124;
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 <div class="title">Lucene.Net.Search.ReqOptSumScorer Class Reference</div>  </div>
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 <p>A <a class="el" 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> for queries with a required part and an optional part. Delays skipTo() on the optional part until a score() is needed. <br/>
  This <code><a class="el" 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></code> implements <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator.html#a4ea4804a0dd948a55077e1dde86b0983" title="Advances to the first beyond the current whose document number is greater than or equal to target...">DocIdSetIterator.Advance(int)</a>.
  <a href="class_lucene_1_1_net_1_1_search_1_1_req_opt_sum_scorer.html#details">More...</a></p>

 <p>Inherits <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html">Lucene.Net.Search.Scorer</a>.</p>
 <table class="memberdecls">
 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
 Public Member Functions</h2></td></tr>
 <tr class="memitem:a81bc8df52fde4e14e964410c939d943f"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_lucene_1_1_net_1_1_search_1_1_req_opt_sum_scorer.html#a81bc8df52fde4e14e964410c939d943f">ReqOptSumScorer</a> (<a class="el" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html">Scorer</a> reqScorer, <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html">Scorer</a> optScorer)</td></tr>
 <tr class="memdesc:a81bc8df52fde4e14e964410c939d943f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Construct a <code>ReqOptScorer</code>. <a href="#a81bc8df52fde4e14e964410c939d943f"></a><br/></td></tr>
 <tr class="separator:a81bc8df52fde4e14e964410c939d943f"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:aaf279581c7ea69aeaa29f5414c629793"><td class="memItemLeft" align="right" valign="top">override int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_lucene_1_1_net_1_1_search_1_1_req_opt_sum_scorer.html#aaf279581c7ea69aeaa29f5414c629793">NextDoc</a> ()</td></tr>
 <tr class="memdesc:aaf279581c7ea69aeaa29f5414c629793"><td class="mdescLeft">&#160;</td><td class="mdescRight">Advances to the next document in the set and returns the doc it is currently on, or <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator.html#ac005b14762e519ad644745031fac2ad4" title="When returned by NextDoc(), Advance(int) and DocID() it means there are no more docs in the iterator...">NO_MORE_DOCS</a> if there are no more docs in the set.<br/>
   <a href="#aaf279581c7ea69aeaa29f5414c629793"></a><br/></td></tr>
 <tr class="separator:aaf279581c7ea69aeaa29f5414c629793"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:aa04576f7593e796bcd541fa68bd1de95"><td class="memItemLeft" align="right" valign="top">override int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_lucene_1_1_net_1_1_search_1_1_req_opt_sum_scorer.html#aa04576f7593e796bcd541fa68bd1de95">Advance</a> (int target)</td></tr>
 <tr class="memdesc:aa04576f7593e796bcd541fa68bd1de95"><td class="mdescLeft">&#160;</td><td class="mdescRight">Advances to the first beyond the current whose document number is greater than or equal to <em>target</em>. Returns the current document number or <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator.html#ac005b14762e519ad644745031fac2ad4" title="When returned by NextDoc(), Advance(int) and DocID() it means there are no more docs in the iterator...">NO_MORE_DOCS</a> if there are no more docs in the set. Behaves as if written:  <a href="#aa04576f7593e796bcd541fa68bd1de95"></a><br/></td></tr>
 <tr class="separator:aa04576f7593e796bcd541fa68bd1de95"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:a704e93dda487dc309e655e01f11c13fc"><td class="memItemLeft" align="right" valign="top">override int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_lucene_1_1_net_1_1_search_1_1_req_opt_sum_scorer.html#a704e93dda487dc309e655e01f11c13fc">DocID</a> ()</td></tr>
 <tr class="memdesc:a704e93dda487dc309e655e01f11c13fc"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the following: </p>
 <ul>
 <li>
 -1 or <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator.html#ac005b14762e519ad644745031fac2ad4" title="When returned by NextDoc(), Advance(int) and DocID() it means there are no more docs in the iterator...">NO_MORE_DOCS</a> if <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_req_opt_sum_scorer.html#aaf279581c7ea69aeaa29f5414c629793" 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> or <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_req_opt_sum_scorer.html#aa04576f7593e796bcd541fa68bd1de95" title="Advances to the first beyond the current whose document number is greater than or equal to target...">Advance(int)</a> were not called yet. </li>
 <li>
 <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator.html#ac005b14762e519ad644745031fac2ad4" title="When returned by NextDoc(), Advance(int) and DocID() it means there are no more docs in the iterator...">NO_MORE_DOCS</a> if the iterator has exhausted. </li>
 <li>
 Otherwise it should return the doc ID it is currently on. </li>
 </ul>
  <a href="#a704e93dda487dc309e655e01f11c13fc"></a><br/></td></tr>
 <tr class="separator:a704e93dda487dc309e655e01f11c13fc"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:a650e2ca3927cc64a0fbf856a78ab31be"><td class="memItemLeft" align="right" valign="top">override float&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_lucene_1_1_net_1_1_search_1_1_req_opt_sum_scorer.html#a650e2ca3927cc64a0fbf856a78ab31be">Score</a> ()</td></tr>
 <tr class="memdesc:a650e2ca3927cc64a0fbf856a78ab31be"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the score of the current document matching the query. Initially invalid, until <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_req_opt_sum_scorer.html#aaf279581c7ea69aeaa29f5414c629793" 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> is called the first time.  <a href="#a650e2ca3927cc64a0fbf856a78ab31be"></a><br/></td></tr>
 <tr class="separator:a650e2ca3927cc64a0fbf856a78ab31be"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="inherit_header pub_methods_class_lucene_1_1_net_1_1_search_1_1_scorer"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_lucene_1_1_net_1_1_search_1_1_scorer')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html">Lucene.Net.Search.Scorer</a></td></tr>
 <tr class="memitem:a23e72c598a4e46bd528ed19b272fc687 inherit pub_methods_class_lucene_1_1_net_1_1_search_1_1_scorer"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html#a23e72c598a4e46bd528ed19b272fc687">Score</a> (<a class="el" href="class_lucene_1_1_net_1_1_search_1_1_collector.html">Collector</a> collector)</td></tr>
 <tr class="memdesc:a23e72c598a4e46bd528ed19b272fc687 inherit pub_methods_class_lucene_1_1_net_1_1_search_1_1_scorer"><td class="mdescLeft">&#160;</td><td class="mdescRight">Scores and collects all matching documents. <a href="#a23e72c598a4e46bd528ed19b272fc687"></a><br/></td></tr>
 <tr class="separator:a23e72c598a4e46bd528ed19b272fc687 inherit pub_methods_class_lucene_1_1_net_1_1_search_1_1_scorer"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:afbae24b7b3053a0e489fc8f18664f6a9 inherit pub_methods_class_lucene_1_1_net_1_1_search_1_1_scorer"><td class="memItemLeft" align="right" valign="top">virtual bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html#afbae24b7b3053a0e489fc8f18664f6a9">Score</a> (<a class="el" href="class_lucene_1_1_net_1_1_search_1_1_collector.html">Collector</a> collector, int max, int firstDocID)</td></tr>
 <tr class="memdesc:afbae24b7b3053a0e489fc8f18664f6a9 inherit pub_methods_class_lucene_1_1_net_1_1_search_1_1_scorer"><td class="mdescLeft">&#160;</td><td class="mdescRight">Expert: Collects matching documents in a range. Hook for optimization. Note, <em>firstDocID</em>  is added to ensure that <a class="el" 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...">DocIdSetIterator.NextDoc()</a> was called before this method.  <a href="#afbae24b7b3053a0e489fc8f18664f6a9"></a><br/></td></tr>
 <tr class="separator:afbae24b7b3053a0e489fc8f18664f6a9 inherit pub_methods_class_lucene_1_1_net_1_1_search_1_1_scorer"><td class="memSeparator" colspan="2">&#160;</td></tr>
 </table><table class="memberdecls">
 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
 Additional Inherited Members</h2></td></tr>
 <tr class="inherit_header pub_static_attribs_class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator"><td colspan="2" onclick="javascript:toggleInherit('pub_static_attribs_class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator')"><img src="closed.png" alt="-"/>&#160;Static Public Attributes inherited from <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator.html">Lucene.Net.Search.DocIdSetIterator</a></td></tr>
 <tr class="memitem:ac005b14762e519ad644745031fac2ad4 inherit pub_static_attribs_class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator"><td class="memItemLeft" align="right" valign="top">static readonly int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator.html#ac005b14762e519ad644745031fac2ad4">NO_MORE_DOCS</a> = System.Int32.MaxValue</td></tr>
 <tr class="memdesc:ac005b14762e519ad644745031fac2ad4 inherit pub_static_attribs_class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator"><td class="mdescLeft">&#160;</td><td class="mdescRight">When returned by <a class="el" 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>, <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator.html#a4ea4804a0dd948a55077e1dde86b0983" title="Advances to the first beyond the current whose document number is greater than or equal to target...">Advance(int)</a> and <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator.html#a617cbe6c07c261cc2cc86ad3d255152f" title="Returns the following: -1 or NO_MORE_DOCS if NextDoc() or Advance(int) were not called yet...">DocID()</a> it means there are no more docs in the iterator.  <a href="#ac005b14762e519ad644745031fac2ad4"></a><br/></td></tr>
 <tr class="separator:ac005b14762e519ad644745031fac2ad4 inherit pub_static_attribs_class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="inherit_header properties_class_lucene_1_1_net_1_1_search_1_1_scorer"><td colspan="2" onclick="javascript:toggleInherit('properties_class_lucene_1_1_net_1_1_search_1_1_scorer')"><img src="closed.png" alt="-"/>&#160;Properties inherited from <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html">Lucene.Net.Search.Scorer</a></td></tr>
 <tr class="memitem:aa2d07dddba4ce149cbd46abbfc139d8a inherit properties_class_lucene_1_1_net_1_1_search_1_1_scorer"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_similarity.html">Similarity</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html#aa2d07dddba4ce149cbd46abbfc139d8a">Similarity</a><code> [get]</code></td></tr>
 <tr class="memdesc:aa2d07dddba4ce149cbd46abbfc139d8a inherit properties_class_lucene_1_1_net_1_1_search_1_1_scorer"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_similarity.html" title="Expert: Scoring API. Subclasses implement search scoring.">Similarity</a> implementation used by this scorer.  <a href="#aa2d07dddba4ce149cbd46abbfc139d8a"></a><br/></td></tr>
 <tr class="separator:aa2d07dddba4ce149cbd46abbfc139d8a inherit properties_class_lucene_1_1_net_1_1_search_1_1_scorer"><td class="memSeparator" colspan="2">&#160;</td></tr>
 </table>
 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
 <div class="textblock"><p>A <a class="el" 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> for queries with a required part and an optional part. Delays skipTo() on the optional part until a score() is needed. <br/>
  This <code><a class="el" 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></code> implements <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator.html#a4ea4804a0dd948a55077e1dde86b0983" title="Advances to the first beyond the current whose document number is greater than or equal to target...">DocIdSetIterator.Advance(int)</a>. </p>

 <p>Definition at line <a class="el" href="_req_opt_sum_scorer_8cs_source.html#l00028">28</a> of file <a class="el" href="_req_opt_sum_scorer_8cs_source.html">ReqOptSumScorer.cs</a>.</p>
 </div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
 <a class="anchor" id="a81bc8df52fde4e14e964410c939d943f"></a>
 <div class="memitem">
 <div class="memproto">
       <table class="memname">
         <tr>
           <td class="memname">Lucene.Net.Search.ReqOptSumScorer.ReqOptSumScorer </td>
           <td>(</td>
           <td class="paramtype"><a class="el" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html">Scorer</a>&#160;</td>
           <td class="paramname"><em>reqScorer</em>, </td>
         </tr>
         <tr>
           <td class="paramkey"></td>
           <td></td>
           <td class="paramtype"><a class="el" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html">Scorer</a>&#160;</td>
           <td class="paramname"><em>optScorer</em>&#160;</td>
         </tr>
         <tr>
           <td></td>
           <td>)</td>
           <td></td><td></td>
         </tr>
       </table>
 </div><div class="memdoc">

 <p>Construct a <code>ReqOptScorer</code>.</p>
 <dl class="params"><dt>Parameters</dt><dd>
   <table class="params">
     <tr><td class="paramname">reqScorer</td><td>The required scorer. This must match. </td></tr>
     <tr><td class="paramname">optScorer</td><td>The optional scorer. This is used for scoring only. </td></tr>
   </table>
   </dd>
 </dl>

 <p>Definition at line <a class="el" href="_req_opt_sum_scorer_8cs_source.html#l00041">41</a> of file <a class="el" href="_req_opt_sum_scorer_8cs_source.html">ReqOptSumScorer.cs</a>.</p>

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 <h2 class="groupheader">Member Function Documentation</h2>
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           <td class="memname">override int Lucene.Net.Search.ReqOptSumScorer.Advance </td>
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 <p>Advances to the first beyond the current whose document number is greater than or equal to <em>target</em>. Returns the current document number or <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator.html#ac005b14762e519ad644745031fac2ad4" title="When returned by NextDoc(), Advance(int) and DocID() it means there are no more docs in the iterator...">NO_MORE_DOCS</a> if there are no more docs in the set. Behaves as if written: </p>
 <p><code> int advance(int target) { int doc; while ((doc = nextDoc()) &lt; target) { } return doc; } </code></p>
 <p>Some implementations are considerably more efficient than that. </p>
 <p><b>NOTE:</b> certain implemenations may return a different value (each time) if called several times in a row with the same target. </p>
 <p><b>NOTE:</b> this method may be called with <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator.html#ac005b14762e519ad644745031fac2ad4" title="When returned by NextDoc(), Advance(int) and DocID() it means there are no more docs in the iterator...">NO_MORE_DOCS</a> for efficiency by some Scorers. If your implementation cannot efficiently determine that it should exhaust, it is recommended that you check for that value in each call to this method. </p>
 <p><b>NOTE:</b> after the iterator has exhausted you should not call this method, as it may result in unpredicted behavior. </p>
 <p>&lt;since&gt;2.9&lt;/since&gt; </p>

 <p>Implements <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator.html#a4ea4804a0dd948a55077e1dde86b0983">Lucene.Net.Search.DocIdSetIterator</a>.</p>

 <p>Definition at line <a class="el" href="_req_opt_sum_scorer_8cs_source.html#l00052">52</a> of file <a class="el" href="_req_opt_sum_scorer_8cs_source.html">ReqOptSumScorer.cs</a>.</p>

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           <td class="memname">override int Lucene.Net.Search.ReqOptSumScorer.DocID </td>
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 <p>Returns the following: </p>
 <ul>
 <li>
 -1 or <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator.html#ac005b14762e519ad644745031fac2ad4" title="When returned by NextDoc(), Advance(int) and DocID() it means there are no more docs in the iterator...">NO_MORE_DOCS</a> if <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_req_opt_sum_scorer.html#aaf279581c7ea69aeaa29f5414c629793" 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> or <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_req_opt_sum_scorer.html#aa04576f7593e796bcd541fa68bd1de95" title="Advances to the first beyond the current whose document number is greater than or equal to target...">Advance(int)</a> were not called yet. </li>
 <li>
 <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator.html#ac005b14762e519ad644745031fac2ad4" title="When returned by NextDoc(), Advance(int) and DocID() it means there are no more docs in the iterator...">NO_MORE_DOCS</a> if the iterator has exhausted. </li>
 <li>
 Otherwise it should return the doc ID it is currently on. </li>
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 </p>

 <p>Implements <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator.html#a617cbe6c07c261cc2cc86ad3d255152f">Lucene.Net.Search.DocIdSetIterator</a>.</p>

 <p>Definition at line <a class="el" href="_req_opt_sum_scorer_8cs_source.html#l00057">57</a> of file <a class="el" href="_req_opt_sum_scorer_8cs_source.html">ReqOptSumScorer.cs</a>.</p>

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           <td class="memname">override int Lucene.Net.Search.ReqOptSumScorer.NextDoc </td>
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 <p>Advances to the next document in the set and returns the doc it is currently on, or <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator.html#ac005b14762e519ad644745031fac2ad4" title="When returned by NextDoc(), Advance(int) and DocID() it means there are no more docs in the iterator...">NO_MORE_DOCS</a> if there are no more docs in the set.<br/>
  </p>
 <p><b>NOTE:</b> after the iterator has exhausted you should not call this method, as it may result in unpredicted behavior.</p>

 <p>Implements <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_doc_id_set_iterator.html#a70f16616e044ffd57b07dbc426c34e0d">Lucene.Net.Search.DocIdSetIterator</a>.</p>

 <p>Definition at line <a class="el" href="_req_opt_sum_scorer_8cs_source.html#l00047">47</a> of file <a class="el" href="_req_opt_sum_scorer_8cs_source.html">ReqOptSumScorer.cs</a>.</p>

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           <td class="memname">override float Lucene.Net.Search.ReqOptSumScorer.Score </td>
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 <p>Returns the score of the current document matching the query. Initially invalid, until <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_req_opt_sum_scorer.html#aaf279581c7ea69aeaa29f5414c629793" 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> is called the first time. </p>
 <dl class="section return"><dt>Returns</dt><dd>The score of the required scorer, eventually increased by the score of the optional scorer when it also matches the current document. </dd></dl>

 <p>Implements <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_scorer.html#a9e45575b3a407f5cb224b51405893c3f">Lucene.Net.Search.Scorer</a>.</p>

 <p>Definition at line <a class="el" href="_req_opt_sum_scorer_8cs_source.html#l00068">68</a> of file <a class="el" href="_req_opt_sum_scorer_8cs_source.html">ReqOptSumScorer.cs</a>.</p>

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 <hr/>The documentation for this class was generated from the following file:<ul>
 <li>core/Search/<a class="el" href="_req_opt_sum_scorer_8cs_source.html">ReqOptSumScorer.cs</a></li>
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