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| <div class="title">ShapeFieldCacheProvider.cs</div> </div> |
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| <a href="_shape_field_cache_provider_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.Runtime.CompilerServices;</div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">using</span> Lucene.Net.Index;</div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">using</span> Spatial4n.Core.Shapes;</div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#if NET35</span></div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span><span class="keyword">using</span> Lucene.Net.Support;</div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#endif</span></div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">namespace </span>Lucene.Net.Spatial.Util</div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> {</div> |
| <div class="line"><a name="l00036"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_util_1_1_shape_field_cache_provider_3_01_t_01_4.html"> 36</a></span>  <span class="keyword">public</span> <span class="keyword">abstract</span> <span class="keyword">class </span>ShapeFieldCacheProvider<T> where T : Shape</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="comment">//private Logger log = Logger.getLogger(getClass().getName());</span></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="comment">// it may be a List<T> or T</span></div> |
| <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#if !NET35</span></div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor"></span> <span class="keyword">private</span> readonly ConditionalWeakTable<IndexReader, ShapeFieldCache<T>> sidx =</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">new</span> ConditionalWeakTable<IndexReader, ShapeFieldCache<T>>(); <span class="comment">// WeakHashMap</span></div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#else</span></div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor"></span> <span class="keyword">private</span> readonly WeakDictionary<IndexReader, ShapeFieldCache<T>> sidx =</div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">new</span> WeakDictionary<IndexReader, ShapeFieldCache<T>>();</div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#endif</span></div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div> |
| <div class="line"><a name="l00050"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_util_1_1_shape_field_cache_provider_3_01_t_01_4.html#aaea1b546f47cacfd71aad61d17a2cb5a"> 50</a></span>  <span class="keyword">protected</span> readonly <span class="keywordtype">int</span> <a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_util_1_1_shape_field_cache_provider_3_01_t_01_4.html#aaea1b546f47cacfd71aad61d17a2cb5a">defaultSize</a>;</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_util_1_1_shape_field_cache_provider_3_01_t_01_4.html#aa368c65070d6e6a57c639ae1273d91f2"> 51</a></span>  <span class="keyword">protected</span> readonly String <a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_util_1_1_shape_field_cache_provider_3_01_t_01_4.html#aa368c65070d6e6a57c639ae1273d91f2">shapeField</a>;</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div> |
| <div class="line"><a name="l00053"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_util_1_1_shape_field_cache_provider_3_01_t_01_4.html#ab987d59dfc4d8ad3b5dfdf488a8d135b"> 53</a></span>  <span class="keyword">protected</span> ShapeFieldCacheProvider(String shapeField, <span class="keywordtype">int</span> defaultSize)</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>  this.shapeField = shapeField;</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  this.defaultSize = defaultSize;</div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  }</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="keyword">protected</span> <span class="keyword">abstract</span> T ReadShape(<span class="comment">/*BytesRef*/</span> <a class="code" href="class_lucene_1_1_net_1_1_index_1_1_term.html" title="A Term represents a word from text. This is the unit of search. It is composed of two elements...">Term</a> term);</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">private</span> readonly <span class="keywordtype">object</span> locker = <span class="keyword">new</span> object();</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div> |
| <div class="line"><a name="l00063"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_util_1_1_shape_field_cache_provider_3_01_t_01_4.html#ad243b33c5b117e96e85b04f71b7271ac"> 63</a></span>  <span class="keyword">public</span> <a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_util_1_1_shape_field_cache_3_01_t_01_4.html" title="Bounded Cache of Shapes associated with docIds. Note, multiple Shapes can be associated with a given ...">ShapeFieldCache<T></a> GetCache(<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_index_reader.html" title="IndexReader is an abstract class, providing an interface for accessing an index. Search of an index i...">IndexReader</a> reader)</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>  lock (locker)</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>  <a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_util_1_1_shape_field_cache_3_01_t_01_4.html" title="Bounded Cache of Shapes associated with docIds. Note, multiple Shapes can be associated with a given ...">ShapeFieldCache<T></a> idx;</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">if</span> (sidx.TryGetValue(reader, out idx) && idx != 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>  <span class="keywordflow">return</span> idx;</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</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>  <span class="comment">//long startTime = System.CurrentTimeMillis();</span></div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="comment">//log.fine("Building Cache [" + reader.MaxDoc() + "]");</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>  idx = <span class="keyword">new</span> <a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_util_1_1_shape_field_cache_3_01_t_01_4.html" title="Bounded Cache of Shapes associated with docIds. Note, multiple Shapes can be associated with a given ...">ShapeFieldCache<T></a>(reader.<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_index_reader.html#ac7694e685dde51863b8974da924fa439" title="Returns one greater than the largest possible document number. This may be used to, e.g., determine how big to allocate an array which will have an element for every document number in an index. ">MaxDoc</a>, defaultSize);</div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  var count = 0;</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  var tec = <span class="keyword">new</span> <a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_util_1_1_terms_enum_compatibility.html" title="Wraps Lucene 3 TermEnum to make it look like a Lucene 4 TermsEnum SOLR-2155">TermsEnumCompatibility</a>(reader, shapeField);</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>  var term = tec.Next();</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">while</span> (term != null)</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>  var shape = ReadShape(term);</div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">if</span> (shape != null)</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>  var docs = reader.<a class="code" href="class_lucene_1_1_net_1_1_index_1_1_index_reader.html#acbbce30c73e871a7cf5c151ee0c775b9" title="Returns an enumeration of all the documents which contain term. For each document, the document number, the frequency of the term in that document is also provided, for use in search scoring. If term is null, then all non-deleted docs are returned with freq=1. Thus, this method implements the mapping: &#160;&#160; => &#160;&#160; <docNum, freq>* The enumeration is ordered by document number. Each document number is greater than all that precede it in the enumeration. ">TermDocs</a>(<span class="keyword">new</span> <a class="code" href="_more_like_this_8cs.html#a8797eb30ce21b31829d3e3a43a20e3b9">Term</a>(shapeField, tec.Term().Text));</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">while</span> (docs.Next())</div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  {</div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  idx.Add(docs.Doc, shape);</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  count++;</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>  }</div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  term = tec.<a class="code" href="interface_lucene_1_1_net_1_1_index_1_1_term_docs.html#a5a07b58ff92edf95aff4fbc264eb12e7" title="Moves to the next pair in the enumeration. Returns true iff there is such a next pair in the enumerat...">Next</a>();</div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</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>  sidx.Add(reader, idx);</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  tec.Close();</div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div> |
| <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="comment">//long elapsed = System.CurrentTimeMillis() - startTime;</span></div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">//log.fine("Cached: [" + count + " in " + elapsed + "ms] " + idx);</span></div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">return</span> idx;</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>  }</div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span> }</div> |
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