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| <a href="_parallel_multi_searcher_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="preprocessor">#if !NET35</span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">using</span> System;</div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">using</span> System.Threading;</div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">using</span> System.Threading.Tasks;</div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">using</span> System.Linq;</div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">using</span> Lucene.Net.Support;</div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">using</span> Lucene.Net.Util;</div> |
| <div class="line"><a name="l00026"></a><span class="lineno"><a class="code" href="_parallel_multi_searcher_8cs.html#a2a6914ea10bbe06764856e29e5674e66"> 26</a></span> <span class="keyword">using</span> <a class="code" href="_more_like_this_8cs.html#a2a6914ea10bbe06764856e29e5674e66">IndexReader</a> = Lucene.Net.Index.IndexReader;</div> |
| <div class="line"><a name="l00027"></a><span class="lineno"><a class="code" href="_parallel_multi_searcher_8cs.html#a8797eb30ce21b31829d3e3a43a20e3b9"> 27</a></span> <span class="keyword">using</span> <a class="code" href="_more_like_this_8cs.html#a8797eb30ce21b31829d3e3a43a20e3b9">Term</a> = Lucene.Net.Index.Term;</div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </span>Lucene.Net.Search</div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> {</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_parallel_multi_searcher.html"> 36</a></span>  <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_parallel_multi_searcher.html" title="Implements parallel search over a set of Searchables.">ParallelMultiSearcher</a> : <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_multi_searcher.html" title="Implements search over a set of Searchables.">MultiSearcher</a><span class="comment">/*, IDisposable*/</span> <span class="comment">//No need to implement IDisposable like java, nothing to dispose with the TPL</span></div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  {</div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">private</span> <span class="keyword">class </span>AnonymousClassCollector1:<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_collector.html" title="Expert: Collectors are primarily meant to be used to gather raw results from a search, and implement sorting or custom result filtering, collation, etc. ">Collector</a></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>  <span class="keyword">public</span> AnonymousClassCollector1(Lucene.Net.Search.Collector collector, <span class="keywordtype">int</span> start, <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_parallel_multi_searcher.html" title="Implements parallel search over a set of Searchables.">ParallelMultiSearcher</a> enclosingInstance)</div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  {</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  InitBlock(collector, start, enclosingInstance);</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>  <span class="keyword">private</span> <span class="keywordtype">void</span> InitBlock(Lucene.Net.Search.Collector collector, <span class="keywordtype">int</span> start, <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_parallel_multi_searcher.html" title="Implements parallel search over a set of Searchables.">ParallelMultiSearcher</a> enclosingInstance)</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>  this.collector = collector;</div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  this.start = start;</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  this.enclosingInstance = enclosingInstance;</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  }</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">private</span> Lucene.Net.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_parallel_multi_searcher.html#af4dc08f3c6179e079d9fb2a1366090ae" title="A search implementation which executes each Searchable in its own thread and waits for each search to...">Search</a>.Collector collector;</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">private</span> <span class="keywordtype">int</span> start;</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keyword">private</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_parallel_multi_searcher.html" title="Implements parallel search over a set of Searchables.">ParallelMultiSearcher</a> enclosingInstance;</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">public</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_parallel_multi_searcher.html" title="Implements parallel search over a set of Searchables.">ParallelMultiSearcher</a> Enclosing_Instance</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  {</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">get</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"> 57</span>  <span class="keywordflow">return</span> enclosingInstance;</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>  </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>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">void</span> SetScorer(<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> scorer)</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>  collector.SetScorer(scorer);</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  }</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">void</span> Collect(<span class="keywordtype">int</span> doc)</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>  collector.Collect(doc);</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  }</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">void</span> SetNextReader(<a class="code" href="_more_like_this_8cs.html#a2a6914ea10bbe06764856e29e5674e66">IndexReader</a> reader, <span class="keywordtype">int</span> docBase)</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  {</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  collector.SetNextReader(reader, start + docBase);</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> </div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">bool</span> AcceptsDocsOutOfOrder</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>  <span class="keyword">get</span> { <span class="keywordflow">return</span> collector.AcceptsDocsOutOfOrder; }</div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  }</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  }</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="keyword">private</span> <a class="code" href="interface_lucene_1_1_net_1_1_search_1_1_searchable.html" title="The interface for search implementations.">Searchable</a>[] searchables;</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">private</span> <span class="keywordtype">int</span>[] starts;</div> |
| <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  </div> |
| <div class="line"><a name="l00084"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_parallel_multi_searcher.html#a95cdbf7362fbf49727807994d570e863"> 84</a></span>  <span class="keyword">public</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_parallel_multi_searcher.html" title="Implements parallel search over a set of Searchables.">ParallelMultiSearcher</a>(params <a class="code" href="interface_lucene_1_1_net_1_1_search_1_1_searchable.html" title="The interface for search implementations.">Searchable</a>[] searchables)</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  : base(searchables)</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>  this.searchables = searchables;</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  this.starts = GetStarts();</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> </div> |
| <div class="line"><a name="l00095"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_parallel_multi_searcher.html#a913714dc49a95b700737a0c3d56383d3"> 95</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">int</span> DocFreq(<a class="code" href="_more_like_this_8cs.html#a8797eb30ce21b31829d3e3a43a20e3b9">Term</a> term)</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>  Task<int>[] tasks = <span class="keyword">new</span> Task<int>[searchables.Length];</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < searchables.Length; i++)</div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  {</div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="code" href="interface_lucene_1_1_net_1_1_search_1_1_searchable.html" title="The interface for search implementations.">Searchable</a> searchable = searchables[i];</div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  tasks[i] = Task.Factory.StartNew(() => searchable.<a class="code" href="interface_lucene_1_1_net_1_1_search_1_1_searchable.html#adb9058d34b28163dc98936719413dbc1" title="Expert: Returns the number of documents containing term. Called by search code to compute term weight...">DocFreq</a>(term));</div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  }</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  Task.WaitAll(tasks);</div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">return</span> tasks.Sum(task => task.Result);</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div> |
| <div class="line"><a name="l00112"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_parallel_multi_searcher.html#af4dc08f3c6179e079d9fb2a1366090ae"> 112</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_top_docs.html" title="Represents hits returned by Searcher.Search(Query,Filter,int) and Searcher.Search(Query,int) ">TopDocs</a> Search(<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_weight.html" title="Expert: Calculate query weights and build query scorers. The purpose of Weight is to ensure searching...">Weight</a> weight, <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_filter.html" title="Abstract base class for restricting which documents may be returned during searching.">Filter</a> filter, <span class="keywordtype">int</span> nDocs)</div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  {</div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_hit_queue.html">HitQueue</a> hq = <span class="keyword">new</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_hit_queue.html">HitQueue</a>(nDocs, <span class="keyword">false</span>);</div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">object</span> lockObj = <span class="keyword">new</span> object();</div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  Task<TopDocs>[] tasks = <span class="keyword">new</span> Task<TopDocs>[searchables.Length];</div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">//search each searchable</span></div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < searchables.Length; i++)</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  {</div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordtype">int</span> cur = i;</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  tasks[i] =</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  Task.Factory.StartNew(() => MultiSearcherCallableNoSort(<a class="code" href="class_lucene_1_1_net_1_1_support_1_1_thread_lock.html" title="Abstract base class that provides a synchronization interface for derived lock types ...">ThreadLock</a>.<a class="code" href="class_lucene_1_1_net_1_1_support_1_1_thread_lock.html#abfd5634e66dc36f9827c5999fcda060f" title="Wrapper class for the Monitor Enter/Exit methods using the ThreadLock interface ">MonitorLock</a>, lockObj, searchables[cur], weight, filter,</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  nDocs, hq, cur, starts));</div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  }</div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">int</span> totalHits = 0;</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordtype">float</span> maxScore = <span class="keywordtype">float</span>.NegativeInfinity;</div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  </div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  Task.WaitAll(tasks);</div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">foreach</span>(<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_top_docs.html" title="Represents hits returned by Searcher.Search(Query,Filter,int) and Searcher.Search(Query,int) ">TopDocs</a> topDocs <span class="keywordflow">in</span> tasks.Select(x => x.Result))</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  {</div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  totalHits += topDocs.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_top_docs.html#aba287c6fbd4cb6c821b284cfe4e38a44" title="The total number of hits for the query.">TotalHits</a>;</div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  maxScore = Math.Max(maxScore, topDocs.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_top_docs.html#a10241d4a4d05912b89047756953cc097" title="Gets or sets the maximum score value encountered, needed for normalizing. Note that in case scores ar...">MaxScore</a>);</div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_score_doc.html" title="Expert: Returned by low-level search implementations.">ScoreDoc</a>[] scoreDocs = <span class="keyword">new</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_score_doc.html" title="Expert: Returned by low-level search implementations.">ScoreDoc</a>[hq.Size()];</div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = hq.Size() - 1; i >= 0; i--) <span class="comment">// put docs in array</span></div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  scoreDocs[i] = hq.Pop();</div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span> </div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_top_docs.html" title="Represents hits returned by Searcher.Search(Query,Filter,int) and Searcher.Search(Query,int) ">TopDocs</a>(totalHits, scoreDocs, maxScore);</div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  }</div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  </div> |
| <div class="line"><a name="l00149"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_parallel_multi_searcher.html#a85bd44cf5e613aaf902d9284c2190ca4"> 149</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_top_field_docs.html" title="Represents hits returned by Searcher.Search(Query,Filter,int,Sort). ">TopFieldDocs</a> Search(<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_weight.html" title="Expert: Calculate query weights and build query scorers. The purpose of Weight is to ensure searching...">Weight</a> weight, <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_filter.html" title="Abstract base class for restricting which documents may be returned during searching.">Filter</a> filter, <span class="keywordtype">int</span> nDocs, <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_sort.html" title="Encapsulates sort criteria for returned hits.">Sort</a> sort)</div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  {</div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">if</span> (sort == null) <span class="keywordflow">throw</span> <span class="keyword">new</span> ArgumentNullException(<span class="stringliteral">"sort"</span>);</div> |
| <div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div> |
| <div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_field_doc_sorted_hit_queue.html" title="Expert: Collects sorted results from Searchable's and collates them. The elements put into this queue...">FieldDocSortedHitQueue</a> hq = <span class="keyword">new</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_field_doc_sorted_hit_queue.html" title="Expert: Collects sorted results from Searchable's and collates them. The elements put into this queue...">FieldDocSortedHitQueue</a>(nDocs);</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordtype">object</span> lockObj = <span class="keyword">new</span> object();</div> |
| <div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div> |
| <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  Task<TopFieldDocs>[] tasks = <span class="keyword">new</span> Task<TopFieldDocs>[searchables.Length];</div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < searchables.Length; i++) <span class="comment">// search each searchable</span></div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  {</div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordtype">int</span> cur = i;</div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  tasks[i] =</div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  Task<TopFieldDocs>.Factory.StartNew(</div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  () => MultiSearcherCallableWithSort(<a class="code" href="class_lucene_1_1_net_1_1_support_1_1_thread_lock.html" title="Abstract base class that provides a synchronization interface for derived lock types ...">ThreadLock</a>.<a class="code" href="class_lucene_1_1_net_1_1_support_1_1_thread_lock.html#abfd5634e66dc36f9827c5999fcda060f" title="Wrapper class for the Monitor Enter/Exit methods using the ThreadLock interface ">MonitorLock</a>, lockObj, searchables[cur], weight, filter, nDocs, hq, sort, cur,</div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  starts));</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="keywordtype">int</span> totalHits = 0;</div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordtype">float</span> maxScore = <span class="keywordtype">float</span>.NegativeInfinity;</div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  Task.WaitAll(tasks);</div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">foreach</span> (<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_top_field_docs.html" title="Represents hits returned by Searcher.Search(Query,Filter,int,Sort). ">TopFieldDocs</a> topFieldDocs <span class="keywordflow">in</span> tasks.Select(x => x.Result))</div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  {</div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  totalHits += topFieldDocs.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_top_docs.html#aba287c6fbd4cb6c821b284cfe4e38a44" title="The total number of hits for the query.">TotalHits</a>;</div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  maxScore = Math.Max(maxScore, topFieldDocs.<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_top_docs.html#a10241d4a4d05912b89047756953cc097" title="Gets or sets the maximum score value encountered, needed for normalizing. Note that in case scores ar...">MaxScore</a>);</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>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_score_doc.html" title="Expert: Returned by low-level search implementations.">ScoreDoc</a>[] scoreDocs = <span class="keyword">new</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_score_doc.html" title="Expert: Returned by low-level search implementations.">ScoreDoc</a>[hq.Size()];</div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = hq.Size() - 1; i >= 0; i--)</div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  scoreDocs[i] = hq.Pop();</div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_top_field_docs.html" title="Represents hits returned by Searcher.Search(Query,Filter,int,Sort). ">TopFieldDocs</a>(totalHits, scoreDocs, hq.GetFields(), maxScore);</div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  }</div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  </div> |
| <div class="line"><a name="l00202"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_search_1_1_parallel_multi_searcher.html#a1688189adf31ec3809d984799ee899f8"> 202</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">void</span> Search(<a class="code" href="class_lucene_1_1_net_1_1_search_1_1_weight.html" title="Expert: Calculate query weights and build query scorers. The purpose of Weight is to ensure searching...">Weight</a> weight, <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_filter.html" title="Abstract base class for restricting which documents may be returned during searching.">Filter</a> filter, <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_collector.html" title="Expert: Collectors are primarily meant to be used to gather raw results from a search, and implement sorting or custom result filtering, collation, etc. ">Collector</a> collector)</div> |
| <div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  {</div> |
| <div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < searchables.Length; i++)</div> |
| <div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  {</div> |
| <div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  </div> |
| <div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordtype">int</span> start = starts[i];</div> |
| <div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  </div> |
| <div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <a class="code" href="class_lucene_1_1_net_1_1_search_1_1_collector.html" title="Expert: Collectors are primarily meant to be used to gather raw results from a search, and implement sorting or custom result filtering, collation, etc. ">Collector</a> hc = <span class="keyword">new</span> AnonymousClassCollector1(collector, start, <span class="keyword">this</span>);</div> |
| <div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  </div> |
| <div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  searchables[i].Search(weight, filter, hc);</div> |
| <div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  }</div> |
| <div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  }</div> |
| <div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  }</div> |
| <div class="line"><a name="l00215"></a><span class="lineno"> 215</span> }</div> |
| <div class="line"><a name="l00216"></a><span class="lineno"> 216</span> </div> |
| <div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="preprocessor">#endif </span></div> |
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