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| |
| <p>Inherits PriorityQueue< ScoreDoc >.</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:ac6767897edf591518583270742ab6c40"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lucene_1_1_net_1_1_search_1_1_hit_queue.html#ac6767897edf591518583270742ab6c40">HitQueue</a> (int size, bool prePopulate)</td></tr> |
| <tr class="memdesc:ac6767897edf591518583270742ab6c40"><td class="mdescLeft"> </td><td class="mdescRight">Creates a new instance with <code>size</code> elements. If <code>prePopulate</code> is set to true, the queue will pre-populate itself with sentinel objects and set its PriorityQueue{T}.Size() to <code>size</code>. In that case, you should not rely on PriorityQueue{T}.Size() to get the number of actual elements that were added to the queue, but keep track yourself.<br/> |
| <b>NOTE:</b> in case <code>prePopulate</code> is true, you should pop elements from the queue using the following code example: <a href="#ac6767897edf591518583270742ab6c40"></a><br/></td></tr> |
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| <tr class="memitem:add99e387324c8be80457ce7f750c403c"><td class="memItemLeft" align="right" valign="top">override bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_lucene_1_1_net_1_1_search_1_1_hit_queue.html#add99e387324c8be80457ce7f750c403c">LessThan</a> (<a class="el" href="class_lucene_1_1_net_1_1_search_1_1_score_doc.html">ScoreDoc</a> hitA, <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_score_doc.html">ScoreDoc</a> hitB)</td></tr> |
| <tr class="separator:add99e387324c8be80457ce7f750c403c"><td class="memSeparator" colspan="2"> </td></tr> |
| </table> |
| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <div class="textblock"> |
| <p>Definition at line <a class="el" href="_hit_queue_8cs_source.html#l00024">24</a> of file <a class="el" href="_hit_queue_8cs_source.html">HitQueue.cs</a>.</p> |
| </div><h2 class="groupheader">Constructor & Destructor Documentation</h2> |
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| <td class="memname">Lucene.Net.Search.HitQueue.HitQueue </td> |
| <td>(</td> |
| <td class="paramtype">int </td> |
| <td class="paramname"><em>size</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">bool </td> |
| <td class="paramname"><em>prePopulate</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Creates a new instance with <code>size</code> elements. If <code>prePopulate</code> is set to true, the queue will pre-populate itself with sentinel objects and set its PriorityQueue{T}.Size() to <code>size</code>. In that case, you should not rely on PriorityQueue{T}.Size() to get the number of actual elements that were added to the queue, but keep track yourself.<br/> |
| <b>NOTE:</b> in case <code>prePopulate</code> is true, you should pop elements from the queue using the following code example: </p> |
| <p><code> PriorityQueue pq = new HitQueue(10, true); // pre-populate. <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_score_doc.html" title="Expert: Returned by low-level search implementations.">ScoreDoc</a> top = pq.top();</code></p> |
| <p><code>// Add/Update one element. top.score = 1.0f; top.doc = 0; top = (<a class="el" href="class_lucene_1_1_net_1_1_search_1_1_score_doc.html" title="Expert: Returned by low-level search implementations.">ScoreDoc</a>) pq.updateTop(); int totalHits = 1;</code></p> |
| <p><code>// Now pop only the elements that were <em>truly</em> inserted. // First, pop all the sentinel elements (there are pq.size() - totalHits). for (int i = pq.size() - totalHits; i > 0; i–) pq.pop();</code></p> |
| <p><code>// Now pop the truly added elements. <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_score_doc.html" title="Expert: Returned by low-level search implementations.">ScoreDoc</a>[] results = new <a class="el" href="class_lucene_1_1_net_1_1_search_1_1_score_doc.html" title="Expert: Returned by low-level search implementations.">ScoreDoc</a>[totalHits]; for (int i = totalHits - 1; i >= 0; i–) { results[i] = (<a class="el" href="class_lucene_1_1_net_1_1_search_1_1_score_doc.html" title="Expert: Returned by low-level search implementations.">ScoreDoc</a>) pq.pop(); } </code></p> |
| <p><b>NOTE</b>: This class pre-allocate a full array of length <code>size</code>.</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">size</td><td>the requested size of this queue. </td></tr> |
| <tr><td class="paramname">prePopulate</td><td>specifies whether to pre-populate the queue with sentinel values. </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section see"><dt>See Also</dt><dd>SentinelObject</dd></dl> |
| |
| <p>Definition at line <a class="el" href="_hit_queue_8cs_source.html#l00068">68</a> of file <a class="el" href="_hit_queue_8cs_source.html">HitQueue.cs</a>.</p> |
| |
| </div> |
| </div> |
| <h2 class="groupheader">Member Function Documentation</h2> |
| <a class="anchor" id="add99e387324c8be80457ce7f750c403c"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">override bool Lucene.Net.Search.HitQueue.LessThan </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="class_lucene_1_1_net_1_1_search_1_1_score_doc.html">ScoreDoc</a> </td> |
| <td class="paramname"><em>hitA</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_score_doc.html">ScoreDoc</a> </td> |
| <td class="paramname"><em>hitB</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Definition at line <a class="el" href="_hit_queue_8cs_source.html#l00087">87</a> of file <a class="el" href="_hit_queue_8cs_source.html">HitQueue.cs</a>.</p> |
| |
| </div> |
| </div> |
| <hr/>The documentation for this class was generated from the following file:<ul> |
| <li>core/Search/<a class="el" href="_hit_queue_8cs_source.html">HitQueue.cs</a></li> |
| </ul> |
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