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|  <span id="projectnumber">3.0.3</span> |
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| <div class="title">Node.cs</div> </div> |
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| <a href="_node_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.Collections.Generic;</div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">using</span> System.Collections.ObjectModel;</div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">using</span> System.Diagnostics;</div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">using</span> System.Runtime.CompilerServices;</div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">using</span> Spatial4n.Core.Shapes;</div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">namespace </span>Lucene.Net.Spatial.Prefix.Tree</div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> {</div> |
| <div class="line"><a name="l00027"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html"> 27</a></span>  <span class="keyword">public</span> <span class="keyword">abstract</span> <span class="keyword">class </span><a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html">Node</a> : IComparable<Node></div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  {</div> |
| <div class="line"><a name="l00029"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html#a3e8fe775a1f05d275d99bf23bfbed459"> 29</a></span>  <span class="keyword">public</span> <span class="keyword">static</span> byte LEAF_BYTE = (byte)<span class="charliteral">'+'</span>;<span class="comment">//NOTE: must sort before letters & numbers</span></div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="comment">// /*</span></div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="comment">//Holds a byte[] and/or String representation of the cell. Both are lazy constructed from the other.</span></div> |
| <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="comment">//Neither contains the trailing leaf byte.</span></div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="comment">// */</span></div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="comment">//private byte[] bytes;</span></div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="comment">//private int b_off;</span></div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="comment">//private int b_len;</span></div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">private</span> String token;<span class="comment">//this is the only part of equality</span></div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div> |
| <div class="line"><a name="l00041"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html#ab9a3c51d7a04ac133254d660aef966d8"> 41</a></span>  <span class="keyword">protected</span> SpatialRelation <a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html#ab9a3c51d7a04ac133254d660aef966d8">shapeRel</a>;<span class="comment">//set in getSubCells(filter), and via setLeaf().</span></div> |
| <div class="line"><a name="l00042"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html#ac514f6772a88f8ffe3e1153984081114"> 42</a></span>  <span class="keyword">protected</span> readonly <a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_spatial_prefix_tree.html" title="A spatial Prefix Tree, or Trie, which decomposes shapes into prefixed strings at variable lengths cor...">SpatialPrefixTree</a> <a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html#ac514f6772a88f8ffe3e1153984081114">spatialPrefixTree</a>;</div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div> |
| <div class="line"><a name="l00044"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html#a13d3ac8e05b8a54cbec074db52fa0d48"> 44</a></span>  <span class="keyword">protected</span> <a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html">Node</a>(<a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_spatial_prefix_tree.html" title="A spatial Prefix Tree, or Trie, which decomposes shapes into prefixed strings at variable lengths cor...">SpatialPrefixTree</a> spatialPrefixTree, String token)</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.spatialPrefixTree = spatialPrefixTree;</div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  this.token = token;</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">if</span> (token.Length > 0 && token[token.Length - 1] == (<span class="keywordtype">char</span>)LEAF_BYTE)</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>  this.token = token.Substring(0, token.Length - 1);</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  SetLeaf();</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  }</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">if</span> (GetLevel() == 0)</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  GetShape();<span class="comment">//ensure any lazy instantiation completes to make this threadsafe</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> </div> |
| <div class="line"><a name="l00058"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html#a808d46c4ee1f5cd0848179e114e4c5ff"> 58</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> <span class="keywordtype">void</span> Reset(<span class="keywordtype">string</span> newToken)</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>  Debug.Assert(GetLevel() != 0);</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  this.token = newToken;</div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  shapeRel = SpatialRelation.NULL_VALUE;</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  b_fixLeaf();</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> </div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">private</span> <span class="keywordtype">void</span> b_fixLeaf()</div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  {</div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">if</span> (GetLevel() == spatialPrefixTree.GetMaxLevels())</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>  SetLeaf();</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> </div> |
| <div class="line"><a name="l00074"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html#ae395004c494ba69e8027d7634a76a2f2"> 74</a></span>  <span class="keyword">public</span> SpatialRelation GetShapeRel()</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="keywordflow">return</span> shapeRel;</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"><a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html#a954b33a23b744cd75a689ef04918d91e"> 79</a></span>  <span class="keyword">public</span> <span class="keywordtype">bool</span> IsLeaf()</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  {</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">return</span> shapeRel == SpatialRelation.WITHIN;</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"><a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html#ac4e81114f6703614a0d7e5ab29f66213"> 84</a></span>  <span class="keyword">public</span> <span class="keywordtype">void</span> SetLeaf()</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>  Debug.Assert(GetLevel() != 0);</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  shapeRel = SpatialRelation.WITHIN;</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> </div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="comment">/*</span></div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment"> * Note: doesn't contain a trailing leaf byte.</span></div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment"> */</span></div> |
| <div class="line"><a name="l00093"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html#a390f1795a9c39889cbd96752e5a4f1b3"> 93</a></span>  <span class="keyword">public</span> String GetTokenString()</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>  <span class="keywordflow">if</span> (token == null)</div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">throw</span> <span class="keyword">new</span> InvalidOperationException(<span class="stringliteral">"Somehow we got a null token"</span>);</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">return</span> token;</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> </div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="comment">//public byte[] GetTokenBytes()</span></div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment">//{</span></div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="comment">// if (bytes != null)</span></div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="comment">// {</span></div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="comment">// if (b_off != 0 || b_len != bytes.Length)</span></div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">// {</span></div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">// throw new IllegalStateException("Not supported if byte[] needs to be recreated.");</span></div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="comment">// }</span></div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// }</span></div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">// else</span></div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="comment">// {</span></div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">// bytes = token.GetBytes(SpatialPrefixTree.UTF8);</span></div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// b_off = 0;</span></div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">// b_len = bytes.Length;</span></div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">// }</span></div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="comment">// return bytes;</span></div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="comment">//}</span></div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div> |
| <div class="line"><a name="l00122"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html#adc757453b634ca2af407f863d7de4265"> 122</a></span>  <span class="keyword">public</span> <span class="keywordtype">int</span> GetLevel()</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  {</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">return</span> token.Length;</div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="comment">//return token != null ? token.Length : b_len;</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> </div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">//TODO add getParent() and update some algorithms to use this?</span></div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">//public Cell getParent();</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>  <span class="comment">/*</span></div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment"> * Like {@link #getSubCells()} but with the results filtered by a shape. If that shape is a {@link com.spatial4j.core.shape.Point} then it</span></div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment"> * must call {@link #getSubCell(com.spatial4j.core.shape.Point)};</span></div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment"> * Precondition: Never called when getLevel() == maxLevel.</span></div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment"> * @param shapeFilter an optional filter for the returned cells.</span></div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment"> * @return A set of cells (no dups), sorted. Not Modifiable.</span></div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment"> */</span></div> |
| <div class="line"><a name="l00139"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html#abe9f033016b4974e2dcb7cc156d29e4c"> 139</a></span>  <span class="keyword">public</span> IList<Node> GetSubCells(Shape shapeFilter)</div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  {</div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="comment">//Note: Higher-performing subclasses might override to consider the shape filter to generate fewer cells.</span></div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  var point = shapeFilter as Point;</div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">if</span> (point != null)</div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  {</div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="preprocessor">#if !NET35</span></div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> <span class="keyword">new</span> ReadOnlyCollectionBuilder<Node>(<span class="keyword">new</span>[] {GetSubCell(point)}).ToReadOnlyCollection();</div> |
| <div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="preprocessor">#else</span></div> |
| <div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="preprocessor"></span> <span class="keywordflow">return</span> <span class="keyword">new</span> List<Node>(<span class="keyword">new</span>[]{GetSubCell(point)}).AsReadOnly();</div> |
| <div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="preprocessor">#endif</span></div> |
| <div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="preprocessor"></span></div> |
| <div class="line"><a name="l00151"></a><span class="lineno"> 151</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>  var cells = GetSubCells();</div> |
| <div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span> (shapeFilter == null)</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>  <span class="keywordflow">return</span> cells;</div> |
| <div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div> |
| <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  var copy = <span class="keyword">new</span> List<Node>(cells.Count);<span class="comment">//copy since cells contractually isn't modifiable</span></div> |
| <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">foreach</span> (var cell <span class="keywordflow">in</span> cells)</div> |
| <div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  {</div> |
| <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  SpatialRelation rel = cell.GetShape().Relate(shapeFilter);</div> |
| <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">if</span> (rel == SpatialRelation.DISJOINT)</div> |
| <div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">continue</span>;</div> |
| <div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  cell.shapeRel = rel;</div> |
| <div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  copy.Add(cell);</div> |
| <div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  }</div> |
| <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  cells = copy;</div> |
| <div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">return</span> cells;</div> |
| <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  }</div> |
| <div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div> |
| <div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="comment">/*</span></div> |
| <div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="comment"> * Performant implementations are expected to implement this efficiently by considering the current</span></div> |
| <div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="comment"> * cell's boundary.</span></div> |
| <div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="comment"> * Precondition: Never called when getLevel() == maxLevel.</span></div> |
| <div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="comment"> * Precondition: this.getShape().relate(p) != DISJOINT.</span></div> |
| <div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment"> */</span></div> |
| <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keyword">public</span> <span class="keyword">abstract</span> <a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html">Node</a> GetSubCell(Point p);</div> |
| <div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div> |
| <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="comment">//TODO Cell getSubCell(byte b)</span></div> |
| <div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div> |
| <div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="comment">/*</span></div> |
| <div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment"> * Gets the cells at the next grid cell level that cover this cell.</span></div> |
| <div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment"> * Precondition: Never called when getLevel() == maxLevel.</span></div> |
| <div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="comment"> *</span></div> |
| <div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="comment"> * @return A set of cells (no dups), sorted. Not Modifiable.</span></div> |
| <div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="comment"> */</span></div> |
| <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keyword">public</span> <span class="keyword">abstract</span> IList<Node> GetSubCells();</div> |
| <div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div> |
| <div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="comment">/*</span></div> |
| <div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="comment"> * {@link #getSubCells()}.size() -- usually a constant. Should be >=2</span></div> |
| <div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="comment"> */</span></div> |
| <div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keyword">public</span> <span class="keyword">abstract</span> <span class="keywordtype">int</span> GetSubCellsSize();</div> |
| <div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div> |
| <div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keyword">public</span> <span class="keyword">abstract</span> Shape GetShape();</div> |
| <div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div> |
| <div class="line"><a name="l00196"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html#a293c1e10d81405a7ebcbc4f4636895dc"> 196</a></span>  <span class="keyword">public</span> <span class="keyword">virtual</span> Point GetCenter()</div> |
| <div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  {</div> |
| <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">return</span> GetShape().GetCenter();</div> |
| <div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  }</div> |
| <div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div> |
| <div class="line"><a name="l00201"></a><span class="lineno"> 201</span> </div> |
| <div class="line"><a name="l00202"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html#a2a83f1d9de65c50d1115a77766a300bd"> 202</a></span>  <span class="keyword">public</span> <span class="keywordtype">int</span> CompareTo(<a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html">Node</a> o)</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">return</span> System.String.CompareOrdinal(GetTokenString(), o.<a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html#a390f1795a9c39889cbd96752e5a4f1b3">GetTokenString</a>());</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"><a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html#ab38f6ca0154dc0ea3f5d7d29553fcb07"> 207</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">bool</span> Equals(<span class="keywordtype">object</span> obj)</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>  <span class="keywordflow">return</span> !(obj == null || !(obj is <a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html">Node</a>)) && GetTokenString().Equals(((<a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html">Node</a>) obj).GetTokenString());</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> </div> |
| <div class="line"><a name="l00212"></a><span class="lineno"><a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html#a4f556b872a77c2e97e2d6192af7a2fb0"> 212</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">int</span> GetHashCode()</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>  <span class="keywordflow">return</span> GetTokenString().GetHashCode();</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"><a class="code" href="class_lucene_1_1_net_1_1_spatial_1_1_prefix_1_1_tree_1_1_node.html#af0278a040f0e75c8f6c6cf3c00b3b28a"> 217</a></span>  <span class="keyword">public</span> <span class="keyword">override</span> <span class="keywordtype">string</span> ToString()</div> |
| <div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  {</div> |
| <div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="keywordflow">return</span> GetTokenString() + (IsLeaf() ? <span class="keyword">new</span> string(<span class="keyword">new</span>[] {(char) LEAF_BYTE}) : <span class="keywordtype">string</span>.Empty);</div> |
| <div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  }</div> |
| <div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  }</div> |
| <div class="line"><a name="l00222"></a><span class="lineno"> 222</span> }</div> |
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